/* ==================== 全局重置 ==================== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --accent:#06b6d4;
  --accent2:#8b5cf6;
  --dark:#070b16;
  --dark-2:#0f172a;
  --gray-50:#f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-300:#cbd5e1;
  --gray-400:#94a3b8;
  --gray-500:#64748b;
  --gray-600:#475569;
  --gray-700:#334155;
  --gray-800:#1e293b;
  --gray-900:#0f172a;
  --white:#fff;
  --bg:#ffffff;
  --text:#1a2332;
  --text-light:#64748b;
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --radius:10px;
  --radius-lg:18px;
  --shadow:0 1px 3px rgba(0,0,0,.06);
  --shadow-md:0 6px 18px rgba(37,99,235,.10);
  --shadow-lg:0 18px 44px rgba(37,99,235,.18);
  --gradient:linear-gradient(120deg,var(--accent),var(--primary) 50%,var(--accent2));
  --max-width:1200px;
  --header-h:72px;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
button{cursor:pointer;border:none;font-family:inherit}

/* ==================== 容器 ==================== */
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* ==================== 顶部栏 ==================== */
.top-bar{position:relative;z-index:101;background:rgba(7,11,22,.92);color:var(--gray-300);font-size:.8125rem;padding:8px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar-left span{color:var(--gray-400)}
.top-bar-right{display:flex;gap:20px}
.top-bar-right strong{color:#fff;font-weight:600}

/* ==================== 头部 ==================== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(37,99,235,.10);height:var(--header-h);display:flex;align-items:center;transition:all .3s}
.site-header:hover{background:rgba(255,255,255,.95)}
.site-header .container{display:flex;justify-content:space-between;align-items:center;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:1.375rem;font-weight:800;color:var(--dark);text-decoration:none}
.logo:hover{color:var(--primary)}
.logo-img{max-height:40px;width:auto;display:block}
.logo-icon{font-size:1.7rem;background:var(--gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.logo-text{letter-spacing:-.5px;background:linear-gradient(120deg,var(--dark),var(--primary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{padding:8px 18px;border-radius:var(--radius);font-size:.9375rem;font-weight:500;color:var(--gray-700);transition:all .2s;position:relative}
.nav-link:hover{color:var(--primary);background:var(--gray-100)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:'';position:absolute;left:18px;right:18px;bottom:2px;height:2px;border-radius:2px;background:var(--gradient)}
.nav-cta{background:var(--gradient);color:#fff!important;box-shadow:0 6px 16px rgba(37,99,235,.30)}
.nav-cta:hover{color:#fff!important;box-shadow:0 10px 24px rgba(37,99,235,.42);transform:translateY(-1px)}
.nav-toggle{display:none;flex-direction:column;justify-content:space-around;width:28px;height:24px;background:transparent}
.nav-toggle span{display:block;width:100%;height:2px;background:var(--gray-700);border-radius:2px;transition:all .3s}

/* ==================== Hero 区域 ==================== */
.hero{position:relative;background:var(--dark);color:#fff;padding:110px 0 120px;overflow:hidden;isolation:isolate}
.hero::before{content:'';position:absolute;inset:0;z-index:-3;background:
  radial-gradient(circle at 18% 20%,rgba(37,99,235,.35),transparent 45%),
  radial-gradient(circle at 82% 30%,rgba(139,92,246,.30),transparent 45%),
  radial-gradient(circle at 50% 95%,rgba(6,182,212,.22),transparent 50%),
  linear-gradient(160deg,#070b16 0%,#0c1326 55%,#0a1020 100%)}
.hero::after{content:'';position:absolute;inset:0;z-index:-2;background-image:
  linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 50% 38%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 38%,#000 0%,transparent 78%)}
.hero-orb{position:absolute;border-radius:50%;filter:blur(40px);z-index:-1;opacity:.55;animation:float 12s ease-in-out infinite}
.hero-orb-1{width:340px;height:340px;background:radial-gradient(circle,rgba(6,182,212,.55),transparent 70%);top:-80px;right:6%}
.hero-orb-2{width:300px;height:300px;background:radial-gradient(circle,rgba(139,92,246,.5),transparent 70%);bottom:-120px;left:4%;animation-delay:-6s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-26px)}}
.hero .container{position:relative;z-index:1}
.hero-content{max-width:720px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;margin-bottom:26px;border-radius:30px;font-size:.8125rem;letter-spacing:.5px;color:#cfe3ff;background:rgba(255,255,255,.06);border:1px solid rgba(120,170,255,.28);backdrop-filter:blur(6px)}
.hero-eyebrow::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.hero h1{font-size:2.85rem;font-weight:800;margin-bottom:22px;line-height:1.18;letter-spacing:-.5px}
.hero h1 .hl{background:linear-gradient(120deg,#5eead4,var(--accent),#a78bfa);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.125rem;color:rgba(255,255,255,.78);margin-bottom:34px;line-height:1.75;max-width:620px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-size:.9375rem;font-weight:600;transition:all .25s;border:2px solid transparent}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 10px 26px rgba(37,99,235,.35)}
.btn-primary:hover{color:#fff;box-shadow:0 16px 36px rgba(37,99,235,.5);transform:translateY(-2px)}
.btn-outline{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.04)}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:16px 38px;font-size:1rem}
.btn-secondary{background:var(--gray-100);color:var(--gray-700)}
.btn-secondary:hover{background:var(--gray-200);color:var(--gray-800)}

/* ==================== 统计区域 ==================== */
.stats{background:var(--dark-2);padding:56px 0;position:relative}
.stats::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:46px 46px;opacity:.5}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;position:relative}
.stat-item h3{font-size:2.6rem;font-weight:800;background:linear-gradient(120deg,#7dd3fc,var(--accent),#a78bfa);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px}
.stat-item p{font-size:.9375rem;color:var(--gray-400)}

/* ==================== Section 通用 ==================== */
.section{padding:84px 0}
.section-gray{background:var(--gray-50)}
.section-header{text-align:center;max-width:680px;margin:0 auto 56px;position:relative}
.section-title{font-size:2rem;font-weight:800;color:var(--dark);margin-bottom:14px;letter-spacing:-.3px}
.section-title .hl{background:var(--gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section-subtitle{font-size:1.0625rem;color:var(--gray-500);line-height:1.7}
.section-header::after{content:'';display:block;width:60px;height:4px;border-radius:2px;margin:18px auto 0;background:var(--gradient)}

/* ==================== 产品卡片 ==================== */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{position:relative;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:40px 32px;transition:all .3s;text-align:center;overflow:hidden}
.product-card::before{content:'';position:absolute;inset:0;background:linear-gradient(160deg,rgba(6,182,212,.07),rgba(139,92,246,.07));opacity:0;transition:opacity .3s}
.product-card:hover{transform:translateY(-8px);border-color:transparent;box-shadow:var(--shadow-lg)}
.product-card:hover::before{opacity:1}
.product-card>*{position:relative}
.product-icon{width:74px;height:74px;margin:0 auto 24px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;background:var(--gradient);box-shadow:0 10px 24px rgba(37,99,235,.28)}
.product-card h3{font-size:1.25rem;font-weight:700;color:var(--dark);margin-bottom:12px}
.product-card p{font-size:.9375rem;color:var(--gray-500);line-height:1.7;margin-bottom:20px}
.product-features{text-align:left;margin-bottom:24px}
.product-features li{padding:6px 0 6px 28px;position:relative;font-size:.875rem;color:var(--gray-600)}
.product-features li::before{content:'✓';position:absolute;left:0;top:6px;color:var(--success);font-weight:700}
.product-price{font-size:.875rem;color:var(--gray-500);margin-bottom:16px}
.product-price strong{font-size:1.75rem;color:var(--primary);font-weight:800}
.product-price span{font-size:.875rem;color:var(--gray-400)}

/* ==================== 优势 ==================== */
.advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.advantage-item{text-align:center;padding:34px 22px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--gray-200);transition:all .3s}
.advantage-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(37,99,235,.25)}
.advantage-icon{width:60px;height:60px;margin:0 auto 20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;background:var(--gradient);box-shadow:0 8px 20px rgba(37,99,235,.25)}
.advantage-item h3{font-size:1.125rem;font-weight:700;color:var(--dark);margin-bottom:10px}
.advantage-item p{font-size:.875rem;color:var(--gray-500);line-height:1.7}

/* ==================== CTA 区域 ==================== */
.cta-section{position:relative;background:var(--dark);color:#fff;text-align:center;padding:84px 0;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:
  radial-gradient(circle at 20% 20%,rgba(37,99,235,.4),transparent 45%),
  radial-gradient(circle at 80% 80%,rgba(139,92,246,.35),transparent 45%)}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.cta-section p{font-size:1.0625rem;color:rgba(255,255,255,.82);margin-bottom:32px}
.cta-section .btn-outline{border-color:rgba(255,255,255,.5)}
.cta-section .btn-outline:hover{background:#fff;color:var(--primary)}

/* ==================== 页面 Banner ==================== */
.page-banner{position:relative;background:var(--dark);color:#fff;padding:84px 0;text-align:center;overflow:hidden}
.page-banner::before{content:'';position:absolute;inset:0;background:
  radial-gradient(circle at 25% 30%,rgba(6,182,212,.35),transparent 50%),
  radial-gradient(circle at 75% 70%,rgba(139,92,246,.3),transparent 50%),
  linear-gradient(160deg,#0a1020,#0f1b34)}
.page-banner::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;opacity:.6}
.page-banner .container{position:relative;z-index:1}
.page-banner h1{font-size:2.5rem;font-weight:800;margin-bottom:12px}
.page-banner p{font-size:1.0625rem;color:rgba(255,255,255,.75)}

/* ==================== About 页面 ==================== */
.about-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px}
.about-content h2{font-size:1.75rem;font-weight:800;color:var(--dark);margin-bottom:16px}
.about-content p{font-size:1rem;color:var(--gray-600);line-height:1.8;margin-bottom:16px}
.about-visual{position:relative;background:var(--gradient);border-radius:var(--radius-lg);min-height:400px;display:flex;align-items:center;justify-content:center;font-size:5rem;color:rgba(255,255,255,.4);box-shadow:var(--shadow-lg);overflow:hidden}
.about-visual::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:36px 36px}
.timeline{position:relative;padding-left:30px}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:linear-gradient(var(--accent),var(--accent2))}
.timeline-item{position:relative;padding-bottom:40px}
.timeline-item::before{content:'';position:absolute;left:-26px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 3px rgba(37,99,235,.2)}
.timeline-item:last-child{padding-bottom:0}
.timeline-year{font-size:1.125rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.timeline-title{font-size:1rem;font-weight:600;color:var(--dark);margin:4px 0}
.timeline-desc{font-size:.875rem;color:var(--gray-500)}

/* ==================== Contact 页面 ==================== */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start}
.contact-info-item{display:flex;gap:16px;margin-bottom:28px}
.contact-info-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:#fff;background:var(--gradient);flex-shrink:0}
.contact-info-item h4{font-size:.9375rem;font-weight:600;color:var(--gray-400);margin-bottom:4px}
.contact-info-item p{font-size:1.0625rem;color:var(--dark);font-weight:600}

/* ==================== 表单 ==================== */
.form-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-md)}
.form-group{margin-bottom:24px}
.form-label{display:block;font-size:.875rem;font-weight:600;color:var(--gray-700);margin-bottom:8px}
.form-label .required{color:var(--danger)}
.form-control{width:100%;padding:12px 16px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:.9375rem;color:var(--dark);transition:border-color .2s,box-shadow .2s;font-family:inherit}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.14)}
textarea.form-control{min-height:140px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-feedback{padding:14px 18px;border-radius:var(--radius);margin-bottom:24px;font-size:.9375rem}
.form-feedback.success{background:#ecfdf5;color:#065f46;border:1px solid #6ee7b7}
.form-feedback.error{background:#fef2f2;color:#991b1b;border:1px solid #fca5a5}

/* ==================== Alert ==================== */
.alert{padding:14px 18px;border-radius:var(--radius);margin-bottom:20px;font-size:.9375rem}
.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #6ee7b7}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fca5a5}
.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #93c5fd}

/* ==================== Footer ==================== */
.site-footer{position:relative;background:var(--dark);color:var(--gray-400);padding:64px 0 0}
.site-footer::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-title{font-size:1.0625rem;font-weight:600;color:#fff;margin-bottom:20px}
.footer-desc{font-size:.875rem;line-height:1.7;color:var(--gray-400)}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:.875rem;color:var(--gray-400)}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:.875rem;color:var(--gray-400);margin-bottom:10px}
.footer-bottom{text-align:center;padding:24px 0;font-size:.8125rem;color:var(--gray-500)}
.footer-bottom a{color:var(--gray-400)}
.footer-bottom a:hover{color:#fff}

/* ==================== 响应式 ==================== */
@media(max-width:968px){
  .hero h1{font-size:2.1rem}
  .hero p{font-size:1rem}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .advantages-grid{grid-template-columns:repeat(2,1fr)}
  .about-section{grid-template-columns:1fr;gap:40px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
}
@media(max-width:768px){
  .top-bar{display:none}
  .nav-toggle{display:flex}
  .main-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:var(--shadow-lg);gap:0}
  .main-nav.nav-open{display:flex}
  .nav-link{padding:14px 20px;width:100%;border-radius:0;border-bottom:1px solid var(--gray-100)}
  .nav-link.active::after{display:none}
  .nav-cta{margin-top:8px;border-radius:var(--radius)}
  .hero{padding:64px 0 80px}
  .hero h1{font-size:1.8rem}
  .section{padding:52px 0}
  .section-title{font-size:1.5rem}
  .products-grid{grid-template-columns:1fr}
  .advantages-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .page-banner h1{font-size:1.75rem}
  .form-card{padding:24px}
  .cta-section h2{font-size:1.5rem}
}

/* ============ 公告/新闻/解决方案 ============ */
.notice-bar{background:#fff;border-bottom:1px solid rgba(37,99,235,.10)}
.notice-bar-inner{display:flex;align-items:center;gap:14px;padding:12px 20px}
.notice-label{flex-shrink:0;background:var(--gradient);color:#fff;font-size:.8125rem;font-weight:600;padding:4px 12px;border-radius:var(--radius)}
.notice-scroll{flex:1;overflow:hidden;white-space:nowrap;display:flex;gap:32px}
.notice-scroll a{color:var(--gray-600);font-size:.875rem;text-decoration:none;transition:color .2s}
.notice-scroll a:hover{color:var(--primary)}
.notice-more{flex-shrink:0;color:var(--gray-400);font-size:.8125rem;text-decoration:none}
.notice-more:hover{color:var(--primary)}

.article-list{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.article-item{display:flex;align-items:center;gap:14px;padding:18px 24px;border-bottom:1px solid var(--gray-100);text-decoration:none;transition:background .2s}
.article-item:last-child{border-bottom:none}
.article-item:hover{background:var(--gray-50)}
.article-badge{flex-shrink:0;background:linear-gradient(120deg,#fef3c7,#fde68a);color:#92400e;font-size:.75rem;font-weight:600;padding:3px 10px;border-radius:20px}
.badge-notice{background:linear-gradient(120deg,#dbeafe,#bfdbfe);color:#1e40af}
.article-title{flex:1;color:var(--dark);font-size:.9375rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-date{flex-shrink:0;color:var(--gray-400);font-size:.8125rem}

.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;text-decoration:none;transition:all .25s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.news-card-body{padding:24px;flex:1}
.news-card-body h3{font-size:1.0625rem;font-weight:700;color:var(--dark);margin-bottom:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-body p{font-size:.875rem;color:var(--gray-500);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card-footer{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;border-top:1px solid var(--gray-100);font-size:.8125rem;color:var(--gray-400)}
.news-more{color:var(--primary);font-weight:600}

.solutions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.solution-card{display:block;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:32px 24px;text-decoration:none;transition:all .25s;position:relative;overflow:hidden}
.solution-card::before{content:'';position:absolute;inset:0;background:linear-gradient(150deg,rgba(6,182,212,.07),rgba(139,92,246,.07));opacity:0;transition:opacity .25s}
.solution-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.solution-card:hover::before{opacity:1}
.solution-card>*{position:relative}
.solution-icon{width:58px;height:58px;border-radius:16px;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:16px;box-shadow:0 8px 20px rgba(37,99,235,.25)}
.solution-card h3{font-size:1.0625rem;font-weight:700;color:var(--dark);margin-bottom:10px}
.solution-card p{font-size:.875rem;color:var(--gray-500);line-height:1.7;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.solution-more{font-size:.8125rem;color:var(--primary);font-weight:600}

.article-detail{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-md)}
.article-detail-meta{display:flex;align-items:center;gap:16px;color:var(--gray-400);font-size:.8125rem;margin-bottom:16px;flex-wrap:wrap}
.article-detail-title{font-size:1.75rem;font-weight:800;color:var(--dark);line-height:1.4;margin-bottom:16px}
.article-detail-summary{font-size:.9375rem;color:var(--gray-500);line-height:1.7;padding:14px 18px;background:var(--gray-50);border-left:3px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;margin-bottom:24px}
.article-detail-content{font-size:.9375rem;color:var(--gray-600);line-height:2}
.article-detail-footer{display:flex;justify-content:space-between;margin-top:36px;padding-top:24px;border-top:1px solid var(--gray-100);gap:12px}

.empty-tip{text-align:center;color:var(--gray-400);padding:64px 20px;font-size:.9375rem}
.empty-tip a{color:var(--primary)}

@media (max-width:768px){
  .notice-scroll{gap:20px}
  .notice-more{display:none}
  .article-item{flex-wrap:wrap}
  .article-title{white-space:normal;width:100%;order:3}
  .article-detail{padding:24px}
  .article-detail-title{font-size:1.375rem}
  .article-detail-footer{flex-direction:column;gap:12px}
  .article-detail-footer .btn{width:100%}
}

/* ============ 首页底部三栏（公告/新闻/解决方案） ============ */
.bottom-content{background:var(--gray-50);border-top:1px solid rgba(37,99,235,.10);padding:48px 0}
.bottom-content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.bottom-col{min-width:0}
.bottom-col-title{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid transparent;border-image:var(--gradient) 1;display:inline-block}
.bottom-list li{list-style:none;border-bottom:1px dashed var(--gray-200)}
.bottom-list li:last-child{border-bottom:none}
.bottom-list a{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 0;font-size:.8125rem;color:var(--gray-600);text-decoration:none;transition:color .2s}
.bottom-list a:hover{color:var(--primary)}
.bottom-item-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bottom-item-date{flex-shrink:0;font-size:.75rem;color:var(--gray-400)}
.bottom-sol-icon{margin-right:6px}
.bottom-more{display:inline-block;margin-top:12px;font-size:.75rem;color:var(--gray-400);text-decoration:none}
.bottom-more:hover{color:var(--primary)}

@media (max-width:992px){
  .bottom-content{padding:36px 0}
  .bottom-content-grid{grid-template-columns:1fr;gap:28px}
}