/* ============================================
   星迈外汇 - 前台样式
   文件位置：assets/css/style.css
   ============================================ */

:root{
  --primary:#3b9dff;
  --primary-dark:#1f7fe0;
  --primary-deep:#0f5fb0;
  --primary-light:#e8f4ff;
  --primary-soft:#f5faff;
  --text:#233043;
  --text-light:#6b7c93;
  --border:#dcebfa;
  --white:#ffffff;
  --radius:12px;
  --shadow:0 6px 24px rgba(59,157,255,.10);
  --shadow-hover:0 12px 32px rgba(59,157,255,.18);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.75;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:.25s;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none;}
em{font-style:normal;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 24px;border-radius:24px;
  font-size:15px;font-weight:500;cursor:pointer;border:none;
  transition:.28s;white-space:nowrap;line-height:1;
}
.btn-lg{height:50px;padding:0 34px;font-size:16px;}
.btn-primary{
  background:linear-gradient(135deg,#4aa8ff,#1f7fe0);
  color:#fff;box-shadow:0 6px 18px rgba(59,157,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(59,157,255,.45);}
.btn-outline{border:1px solid var(--primary);color:var(--primary);background:#fff;}
.btn-outline:hover{background:var(--primary-light);}
.btn-ghost{border:1px solid rgba(59,157,255,.45);color:var(--primary-deep);background:rgba(255,255,255,.7);}
.btn-ghost:hover{background:#fff;border-color:var(--primary);}
.btn-light{background:#fff;color:var(--primary-dark);box-shadow:0 6px 18px rgba(0,0,0,.12);}
.btn-light:hover{transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  background:#fff;
  position:sticky;top:0;z-index:1000;
  box-shadow:0 1px 10px rgba(35,48,67,.06);
}
.header-inner{display:flex;align-items:center;height:80px;gap:20px;}
.logo{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.logo img{height:44px;width:auto;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,#4aa8ff,#1f7fe0);
  color:#fff;font-size:17px;font-weight:700;letter-spacing:1px;
  box-shadow:0 4px 12px rgba(59,157,255,.35);
}
.logo-text{font-size:20px;font-weight:700;color:var(--text);letter-spacing:.5px;}

.main-nav{flex:1;}
.main-nav > ul{display:flex;align-items:center;}
.main-nav > ul > li{position:relative;}
.main-nav > ul > li > a{
  display:block;padding:0 18px;line-height:80px;
  font-size:16px;color:var(--text);position:relative;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a{color:var(--primary);}
.main-nav > ul > li.active > a::after{
  content:'';position:absolute;left:18px;right:18px;bottom:22px;
  height:3px;border-radius:2px;background:var(--primary);
}
.arrow{
  display:inline-block;width:6px;height:6px;margin-left:5px;
  border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
}
.sub-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);
  min-width:196px;background:#fff;border-radius:12px;padding:8px;
  box-shadow:0 12px 32px rgba(35,48,67,.12);
  opacity:0;visibility:hidden;transition:.26s;z-index:20;
  border:1px solid var(--border);
}
.has-sub:hover .sub-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.sub-menu li a{
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:8px;font-size:15px;color:var(--text);
}
.sub-menu li a:hover{background:var(--primary-light);color:var(--primary);}
.sm-icon{font-size:16px;}

.header-actions{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex-shrink:0;}
.header-btns{display:flex;gap:10px;}
.header-btns .btn{height:40px;padding:0 20px;font-size:14px;}
.qq-line{font-size:13px;color:var(--text-light);display:flex;align-items:center;gap:4px;}
.qq-line a{color:var(--primary);font-weight:600;}
.qq-icon{font-size:13px;}

.menu-toggle{
  display:none;width:44px;height:44px;border:none;background:transparent;
  flex-direction:column;justify-content:center;gap:5px;cursor:pointer;padding:0 10px;
}
.menu-toggle span{display:block;height:2px;background:var(--text);border-radius:2px;transition:.3s;}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:var(--primary-soft);border-bottom:1px solid var(--border);font-size:14px;}
.breadcrumb .container{display:flex;align-items:center;flex-wrap:wrap;gap:6px;padding-top:14px;padding-bottom:14px;color:var(--text-light);}
.breadcrumb a{color:var(--text-light);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#b9cde3;}
.breadcrumb .cur{color:var(--primary);}

/* ---------- 页面 Banner ---------- */
.page-banner{
  background:linear-gradient(135deg,#e9f5ff 0%,#f6fbff 55%,#ffffff 100%);
  padding:56px 0 52px;text-align:center;
  border-bottom:1px solid var(--border);
}
.page-banner h1{font-size:34px;font-weight:700;color:var(--text);letter-spacing:1px;}
.page-banner p{margin-top:12px;color:var(--text-light);font-size:16px;}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(135deg,#e9f5ff 0%,#f6fbff 50%,#ffffff 100%);
  padding:70px 0 80px;position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;right:-120px;top:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(59,157,255,.16),transparent 68%);border-radius:50%;
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero-badge{
  display:inline-block;padding:6px 16px;border-radius:20px;
  background:rgba(59,157,255,.12);color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:18px;
}
.hero-text h1{font-size:44px;line-height:1.28;font-weight:800;color:var(--text);letter-spacing:1px;}
.hero-text > p{margin-top:18px;font-size:17px;color:var(--text-light);line-height:1.9;max-width:560px;}
.hero-btns{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px;max-width:560px;}
.hero-stats li{text-align:left;}
.hero-stats strong{display:block;font-size:24px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;}
.hero-stats span{font-size:13px;color:var(--text-light);}

.hero-visual{display:flex;justify-content:center;}
.quote-card{
  width:100%;max-width:380px;background:#fff;border-radius:18px;
  box-shadow:0 20px 50px rgba(59,157,255,.20);padding:22px;border:1px solid var(--border);
}
.qc-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px dashed var(--border);font-weight:600;}
.live-dot{font-size:11px;color:#27ae60;background:#e8f8f0;padding:3px 10px;border-radius:12px;font-weight:600;}
.qc-list li{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #f2f8ff;font-size:14px;}
.qc-list li:last-child{border-bottom:none;}
.qc-name{color:var(--text-light);}
.qc-price{font-weight:700;font-family:"SF Mono",Consolas,monospace;}
.qc-price.up{color:#27ae60;}
.qc-price.down{color:#e74c3c;}

/* ---------- 区块 ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--primary-soft);}
.section-head{text-align:center;max-width:680px;margin:0 auto 46px;}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:1px;position:relative;display:inline-block;padding-bottom:14px;}
.section-head h2::after{
  content:'';position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:52px;height:3px;border-radius:2px;background:linear-gradient(90deg,#4aa8ff,#1f7fe0);
}
.section-head p{margin-top:14px;color:var(--text-light);font-size:16px;}
.section-label{
  display:inline-block;font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-light);padding:5px 14px;border-radius:20px;margin-bottom:14px;
}
.section-more{text-align:center;margin-top:44px;}
.mt-60{margin-top:60px;}
.empty-tip{color:var(--text-light);text-align:center;padding:32px 0;grid-column:1/-1;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}

/* ---------- 优势卡片 ---------- */
.advantage-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 24px;text-align:center;transition:.3s;
}
.advantage-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#b9dcff;}
.adv-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:28px;
}
.advantage-card h3{font-size:18px;margin-bottom:10px;font-weight:700;}
.advantage-card p{color:var(--text-light);font-size:14.5px;line-height:1.85;}

/* ---------- 产品卡片 ---------- */
.product-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 20px;text-align:center;transition:.3s;
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#b9dcff;}
.pc-icon{
  width:64px;height:64px;margin:0 auto 16px;border-radius:18px;
  background:linear-gradient(135deg,#e9f5ff,#d3eaff);
  display:flex;align-items:center;justify-content:center;font-size:28px;
}
.product-card h3{font-size:18px;font-weight:700;}
.pc-en{font-size:12px;color:#a9bdd2;letter-spacing:.5px;margin-top:2px;text-transform:uppercase;}
.pc-desc{font-size:13.5px;color:var(--text-light);margin-top:12px;line-height:1.8;min-height:66px;}
.pc-more{display:inline-block;margin-top:12px;font-size:13.5px;color:var(--primary);font-weight:600;}

/* ---------- 关于我们 ---------- */
.about-row{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.about-text h2{font-size:30px;font-weight:700;margin-bottom:18px;line-height:1.4;}
.about-text > p{color:var(--text-light);font-size:15.5px;line-height:2;margin-bottom:22px;white-space:pre-line;}
.about-points{margin-bottom:28px;}
.about-points li{
  position:relative;padding-left:26px;margin-bottom:10px;color:var(--text);font-size:15px;
}
.about-points li::before{
  content:'';position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:var(--primary-light);
}
.about-points li::after{
  content:'';position:absolute;left:5px;top:13px;width:5px;height:8px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(42deg);
}
.about-visual{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.about-box{
  background:linear-gradient(135deg,#eef7ff,#ffffff);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px 18px;text-align:center;transition:.3s;
}
.about-box:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.about-box strong{display:block;font-size:28px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;}
.about-box span{font-size:13.5px;color:var(--text-light);}

/* ---------- 新闻 ---------- */
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;transition:.3s;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#b9dcff;}
.nc-cover{position:relative;height:186px;overflow:hidden;background:#eef6ff;}
.nc-cover img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.news-card:hover .nc-cover img{transform:scale(1.06);}
.nc-placeholder{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e3f1ff,#f4faff);color:#7fb2e6;font-size:17px;font-weight:600;letter-spacing:1px;
}
.nc-cat{
  position:absolute;left:12px;top:12px;background:rgba(59,157,255,.92);color:#fff;
  font-size:12px;padding:3px 12px;border-radius:14px;backdrop-filter:blur(4px);
}
.nc-body{padding:20px;flex:1;display:flex;flex-direction:column;}
.nc-body h3{font-size:16.5px;font-weight:700;line-height:1.55;margin-bottom:10px;transition:.25s;}
.news-card:hover .nc-body h3{color:var(--primary);}
.nc-body p{font-size:14px;color:var(--text-light);line-height:1.8;flex:1;}
.nc-meta{display:flex;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px dashed var(--border);font-size:13px;color:#9db3c9;}

.news-filter{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px;}
.news-filter a{
  padding:8px 22px;border-radius:22px;border:1px solid var(--border);
  background:#fff;font-size:14.5px;color:var(--text-light);
}
.news-filter a:hover{border-color:var(--primary);color:var(--primary);}
.news-filter a.active{background:linear-gradient(135deg,#4aa8ff,#1f7fe0);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(59,157,255,.32);}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:50px;flex-wrap:wrap;}
.pagination a,.pagination span{
  min-width:40px;height:40px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--text-light);font-size:14.5px;
}
.pagination a:hover{border-color:var(--primary);color:var(--primary);}
.pagination .active{background:linear-gradient(135deg,#4aa8ff,#1f7fe0);color:#fff;border-color:transparent;font-weight:600;}

/* ---------- 产品页 ---------- */
.product-tabs{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:44px;}
.ptab{
  display:flex;align-items:center;gap:8px;padding:12px 26px;border-radius:30px;
  border:1px solid var(--border);background:#fff;font-size:15px;color:var(--text);
  transition:.28s;
}
.ptab:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.ptab.active{background:linear-gradient(135deg,#4aa8ff,#1f7fe0);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(59,157,255,.32);}
.ptab-icon{font-size:17px;}

.product-detail{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  padding:44px;box-shadow:var(--shadow);
}
.pd-head{display:flex;align-items:center;gap:18px;margin-bottom:24px;}
.pd-icon{
  width:72px;height:72px;border-radius:20px;flex-shrink:0;
  background:linear-gradient(135deg,#e9f5ff,#d3eaff);
  display:flex;align-items:center;justify-content:center;font-size:32px;
}
.pd-head h2{font-size:26px;font-weight:700;}
.pd-head h2 small{font-size:14px;color:#a9bdd2;font-weight:400;margin-left:8px;letter-spacing:.5px;}
.pd-tag{
  display:inline-block;margin-top:6px;font-size:12.5px;color:var(--primary);
  background:var(--primary-light);padding:2px 12px;border-radius:12px;
}
.pd-intro{color:var(--text-light);font-size:15.5px;line-height:2;margin-bottom:34px;}
.pd-features{margin-bottom:36px;}
.pd-feature{
  background:var(--primary-soft);border-radius:var(--radius);padding:20px;border-left:3px solid var(--primary);
}
.pd-feature h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.pd-feature p{font-size:14px;color:var(--text-light);line-height:1.8;}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);border:1px solid var(--border);}
.data-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;}
.data-table thead th{
  background:linear-gradient(135deg,#eaf5ff,#f7fbff);
  padding:15px 18px;text-align:left;font-weight:600;color:var(--primary-deep);
  white-space:nowrap;border-bottom:1px solid var(--border);
}
.data-table tbody td{padding:14px 18px;border-bottom:1px solid #f0f7ff;color:var(--text-light);white-space:nowrap;}
.data-table tbody tr:last-child td{border-bottom:none;}
.data-table tbody tr:hover{background:#fafdff;}
.data-table td.strong{color:var(--text);font-weight:600;}
.table-note{margin-top:14px;font-size:13px;color:#a9bdd2;}
.pd-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}

/* ---------- 联系页 ---------- */
.contact-cards{margin-bottom:36px;}
.contact-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 20px;text-align:center;transition:.3s;
}
.contact-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#b9dcff;}
.cc-icon{
  width:60px;height:60px;margin:0 auto 16px;border-radius:50%;
  background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:26px;
}
.contact-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.contact-card p{font-size:15px;color:var(--primary-dark);font-weight:600;word-break:break-all;margin-bottom:16px;}
.cc-btn{
  display:inline-block;padding:7px 22px;border-radius:20px;font-size:13.5px;
  border:1px solid var(--primary);color:var(--primary);background:#fff;
}
.cc-btn:hover{background:var(--primary);color:#fff;}
.cc-disabled{opacity:.55;cursor:default;}

.contact-info-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:60px;}
.ci-item{
  background:var(--primary-soft);border-radius:var(--radius);padding:26px 30px;border-left:3px solid var(--primary);
}
.ci-item h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.ci-item p{color:var(--text-light);font-size:15px;}

.contact-form-wrap{max-width:820px;margin:0 auto;}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:18px;padding:36px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-item{margin-bottom:20px;}
.form-item label{display:block;font-size:14.5px;font-weight:600;margin-bottom:8px;}
.form-item label em{color:#e74c3c;}
.form-item input,.form-item textarea{
  width:100%;border:1px solid var(--border);border-radius:10px;padding:12px 16px;
  font-size:15px;color:var(--text);background:#fbfdff;transition:.25s;resize:vertical;
}
.form-item input:focus,.form-item textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(59,157,255,.12);}
.form-tip{margin-top:14px;font-size:14px;}

/* ---------- 文章详情 ---------- */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start;}
.article-main{background:#fff;border:1px solid var(--border);border-radius:18px;padding:44px;box-shadow:var(--shadow);min-width:0;}
.article-title{font-size:28px;font-weight:700;line-height:1.5;margin-bottom:18px;}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:13.5px;color:#9db3c9;padding-bottom:20px;border-bottom:1px dashed var(--border);margin-bottom:26px;}
.article-summary{
  background:var(--primary-soft);border-left:3px solid var(--primary);
  padding:16px 20px;border-radius:8px;font-size:14.5px;color:var(--text-light);margin-bottom:26px;line-height:1.9;
}
.article-content{font-size:16px;line-height:2.05;color:#3a4a5e;word-break:break-word;}
.article-content p{margin-bottom:18px;}
.article-content img{max-width:100%;height:auto;border-radius:10px;margin:18px auto;}
.article-content h2,.article-content h3{margin:28px 0 14px;font-weight:700;color:var(--text);}
.article-content h2{font-size:21px;}
.article-content h3{font-size:18px;}
.article-content ul,.article-content ol{margin:14px 0 18px 24px;}
.article-content ul li{list-style:disc;margin-bottom:8px;}
.article-content ol li{list-style:decimal;margin-bottom:8px;}
.article-content a{color:var(--primary);text-decoration:underline;}
.article-content blockquote{
  border-left:4px solid var(--primary);background:var(--primary-soft);
  padding:14px 20px;margin:18px 0;border-radius:8px;color:var(--text-light);
}
.article-content table{width:100%;border-collapse:collapse;margin:18px 0;}
.article-content table td,.article-content table th{border:1px solid var(--border);padding:10px 14px;}

.article-nav{margin-top:40px;padding-top:24px;border-top:1px dashed var(--border);}
.an-item{display:flex;gap:8px;font-size:14.5px;color:var(--text-light);margin-bottom:10px;}
.an-item a{color:var(--text);}
.an-item a:hover{color:var(--primary);}

.article-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:100px;}
.side-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:var(--shadow);}
.side-card h3{font-size:16.5px;font-weight:700;padding-bottom:14px;margin-bottom:14px;border-bottom:1px dashed var(--border);}
.side-list li{margin-bottom:12px;line-height:1.7;}
.side-list li a{font-size:14.5px;color:var(--text-light);}
.side-list li a:hover{color:var(--primary);}
.side-cta p{font-size:14px;color:var(--text-light);margin-bottom:16px;line-height:1.8;}

/* ---------- 网站地图 ---------- */
.sitemap-box{background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px;margin-bottom:24px;box-shadow:var(--shadow);}
.sitemap-box h2{font-size:19px;font-weight:700;margin-bottom:18px;padding-left:14px;border-left:4px solid var(--primary);line-height:1.3;}
.sitemap-list{display:flex;flex-wrap:wrap;gap:10px 22px;}
.sitemap-list li{font-size:14.5px;}
.sitemap-list li a{color:var(--text-light);}
.sitemap-list li a:hover{color:var(--primary);}
.sitemap-articles{flex-direction:column;gap:0;flex-wrap:nowrap;}
.sitemap-articles li{
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  padding:11px 0;border-bottom:1px dashed #eef6ff;width:100%;
}
.sitemap-articles li:last-child{border-bottom:none;}
.sitemap-articles li a{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sm-date{font-size:13px;color:#a9bdd2;flex-shrink:0;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:30px;}
.timeline::before{content:'';position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#bfe0ff,#e8f4ff);}
.timeline-item{position:relative;margin-bottom:32px;}
.timeline-item:last-child{margin-bottom:0;}
.timeline-item::before{
  content:'';position:absolute;left:-30px;top:6px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(59,157,255,.12);
}
.tl-year{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:6px;}
.tl-content{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px 24px;box-shadow:var(--shadow);}
.tl-content h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.tl-content p{font-size:14.5px;color:var(--text-light);line-height:1.85;}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(135deg,#3b9dff,#1f7fe0);padding:56px 0;color:#fff;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta h2{font-size:28px;font-weight:700;letter-spacing:1px;}
.cta p{margin-top:10px;opacity:.9;font-size:15.5px;}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;}
.cta .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:transparent;}
.cta .btn-ghost:hover{background:rgba(255,255,255,.14);}

/* ---------- 404 ---------- */
.error-page{padding:90px 0 110px;text-align:center;}
.error-code{
  font-size:130px;font-weight:900;line-height:1;letter-spacing:6px;
  background:linear-gradient(135deg,#7cc0ff,#1f7fe0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.error-page h1{font-size:26px;margin:20px 0 12px;font-weight:700;}
.error-page > .container > p{color:var(--text-light);font-size:16px;}
.error-btns{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap;}
.error-links{margin-top:36px;font-size:14.5px;color:var(--text-light);}
.error-links a{color:var(--primary);margin:0 8px;}

/* ---------- 底部 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:44px;padding-bottom:44px;}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:18px;}
.footer-about p{font-size:14px;color:var(--text-light);line-height:1.95;}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.footer-tags span{font-size:12.5px;color:var(--primary);background:var(--primary-light);padding:3px 12px;border-radius:12px;}
.footer-col h4{font-size:16px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:12px;}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--primary);border-radius:2px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:var(--text-light);}
.footer-links a:hover{color:var(--primary);padding-left:4px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-light);margin-bottom:11px;line-height:1.7;}
.fc-label{color:#a9bdd2;flex-shrink:0;min-width:62px;}
.footer-bottom{border-top:1px solid var(--border);padding:24px 0 28px;text-align:center;}
.copyright{font-size:13.5px;color:var(--text-light);}
.copyright a{color:var(--text-light);}
.copyright a:hover{color:var(--primary);}
.footer-meta{margin-top:10px;font-size:13px;color:#9db3c9;}
.footer-meta a{color:#9db3c9;}
.footer-meta a:hover{color:var(--primary);}
.footer-meta .dot{margin:0 8px;}
.risk-warn{margin-top:16px;font-size:12.5px;color:#b3c4d6;line-height:1.8;max-width:900px;margin-left:auto;margin-right:auto;}

/* ---------- 手机底部固定栏 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;height:56px;z-index:998;
  background:#fff;box-shadow:0 -2px 14px rgba(35,48,67,.10);
}
.mobile-bar a{
  flex:1;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:600;color:#fff;
}
.mobile-bar a:first-child{background:linear-gradient(135deg,#4aa8ff,#1f7fe0);}
.mobile-bar a:last-child{background:#fff;color:var(--primary);border-left:1px solid var(--border);}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:90px;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--border);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:0 6px 18px rgba(59,157,255,.20);z-index:997;
  opacity:0;visibility:hidden;transition:.3s;
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{background:var(--primary);color:#fff;}

/* ============================================
   响应式
   ============================================ */
@media (max-width:1100px){
  .header-inner{gap:12px;}
  .main-nav > ul > li > a{padding:0 12px;font-size:15px;}
  .header-btns .btn{padding:0 14px;font-size:13.5px;}
  .grid-5{grid-template-columns:repeat(3,1fr);}
}

@media (max-width:991px){
  body{padding-bottom:56px;}
   .mobile-bar{display:flex;}
  .menu-toggle{display:flex;}
  .header-inner{height:66px;justify-content:space-between;}
  .logo-mark{width:40px;height:40px;font-size:15px;border-radius:10px;}
  .logo-text{font-size:18px;}
    /* 移动端隐藏开户/后台按钮组（因为底部已有固定栏） */
  .header-btns{display:none;}

  /* 移动端保留 QQ，并改成横向紧凑样式 */
  .header-actions{
    display:flex;
    flex-direction:row;
    align-items:center;
    gap:8px;
    margin-right:6px;
  }
  .qq-line{
    font-size:13px;
    padding:6px 12px;
    background:var(--primary-light);
    color:var(--primary-deep);
    border-radius:16px;
    display:inline-flex;
    align-items:center;
    gap:4px;
    white-space:nowrap;
  }
  .qq-line a{color:var(--primary);font-weight:600;}
  .qq-line .qq-icon{font-size:13px;}

  .main-nav{
    position:fixed;left:0;right:0;top:66px;background:#fff;
    max-height:0;overflow:hidden;transition:max-height .35s ease;
    box-shadow:0 12px 24px rgba(35,48,67,.10);border-top:1px solid var(--border);
  }
  .main-nav.open{max-height:80vh;overflow-y:auto;}
  .main-nav > ul{flex-direction:column;align-items:stretch;padding:8px 0 16px;}
  .main-nav > ul > li > a{line-height:50px;padding:0 22px;font-size:15.5px;}
  .main-nav > ul > li.active > a::after{display:none;}
  .main-nav > ul > li.active > a{color:var(--primary);background:var(--primary-light);}
  .sub-menu{
    position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;border-radius:0;min-width:0;padding:0;
    display:none;background:#fafdff;
  }
  .has-sub.open .sub-menu{display:block;padding:6px 0;}
  .sub-menu li a{padding:10px 40px;font-size:14.5px;}

  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-5{grid-template-columns:repeat(2,1fr);}

  .hero{padding:48px 0 56px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-text h1{font-size:30px;}
  .hero-text > p{font-size:15.5px;}
  .hero-stats{grid-template-columns:repeat(4,1fr);gap:10px;margin-top:32px;}
  .hero-stats strong{font-size:19px;}
  .hero-stats span{font-size:12px;}
  .hero-visual{display:none;}

  .section{padding:52px 0;}
  .section-head h2{font-size:24px;}
  .section-head p{font-size:15px;}
  .page-banner{padding:38px 0;border-radius:0;}
  .page-banner h1{font-size:26px;}

  .about-row{grid-template-columns:1fr;gap:34px;}
  .about-text h2{font-size:24px;}

  .product-detail{padding:26px 20px;border-radius:14px;}
  .pd-head{gap:14px;}
  .pd-icon{width:56px;height:56px;font-size:26px;border-radius:16px;}
  .pd-head h2{font-size:21px;}
  .pd-head h2 small{display:block;margin-left:0;font-size:12.5px;}

  .article-layout{grid-template-columns:1fr;gap:28px;}
  .article-main{padding:26px 20px;border-radius:14px;}
  .article-title{font-size:22px;}
  .article-content{font-size:15.5px;}
  .article-side{position:static;}

  .contact-info-row{grid-template-columns:1fr;gap:16px;}
  .contact-form{padding:24px 20px;}
  .form-row{grid-template-columns:1fr;gap:0;}

  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-about{grid-column:1/-1;}

  .cta-inner{flex-direction:column;text-align:center;}
  .cta h2{font-size:22px;}
  .cta-btns{width:100%;justify-content:center;}

  .back-top{bottom:74px;right:14px;width:42px;height:42px;}
  .error-code{font-size:96px;}
  .error-page h1{font-size:21px;}
}

@media (max-width:560px){
  .container{padding:0 16px;}
  .grid-3,.grid-4,.grid-5{grid-template-columns:1fr;}
  .product-tabs{gap:8px;}
  .ptab{padding:9px 18px;font-size:14px;flex:1 1 44%;justify-content:center;}
  .hero-text h1{font-size:25px;}
  .hero-btns .btn{flex:1;justify-content:center;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .about-visual{grid-template-columns:1fr 1fr;}
  .about-box strong{font-size:22px;}
  .sitemap-articles li{flex-direction:column;align-items:flex-start;gap:4px;}
  .sitemap-articles li a{white-space:normal;}
  .section-head h2{font-size:21px;}
  .page-banner h1{font-size:22px;}
}
/* ============================================
   移动端子菜单修正 - 白底深字，高对比度
   ============================================ */
@media (max-width: 991px){

  /* 子菜单容器：白底、左侧蓝条、缩进 */
  .main-nav .sub-menu{
    position:static !important;
    opacity:1 !important;
    visibility:visible !important;
    transform:none !important;
    box-shadow:none !important;
    border:none !important;
    border-left:3px solid var(--primary) !important;
    border-radius:0 8px 8px 0 !important;
    background:#ffffff !important;
    margin:4px 22px 10px 22px !important;
    padding:6px 0 !important;
    min-width:0 !important;
    width:auto !important;
  }

  .main-nav .has-sub.open .sub-menu{
    display:block !important;
  }

  /* 子菜单项：深色文字、明确背景 */
  .main-nav .sub-menu li{
    display:block !important;
    background:transparent !important;
  }

  .main-nav .sub-menu li a{
    display:flex !important;
    align-items:center !important;
    gap:8px !important;
    padding:11px 18px !important;
    font-size:14.5px !important;
    line-height:1.5 !important;
    color:#233043 !important;           /* 深灰色文字 */
    background:transparent !important;
    border-radius:6px !important;
    text-align:left !important;
  }

  /* 子菜单项 hover / 点击 */
  .main-nav .sub-menu li a:hover,
  .main-nav .sub-menu li a:active{
    background:#e8f4ff !important;
    color:#1f7fe0 !important;
  }

  /* 子菜单里的图标 */
  .main-nav .sub-menu .sm-icon{
    font-size:15px !important;
    color:inherit !important;
    flex-shrink:0;
  }

  /* 父级菜单展开时，保持父级文字不要变白 */
  .main-nav > ul > li.has-sub.open > a{
    color:#1f7fe0 !important;
    background:#e8f4ff !important;
  }
}