:root{
  /* 主色系 */
  --primary:#2F88FF;
  --primary-dark:#1a6fd4;
  --primary-light:#e8f1ff;
  /* 语义色 */
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --info:#3b82f6;
  /* 中性色 */
  --gray-50:#f9fafb;
  --gray-100:#f3f4f6;
  --gray-200:#e5e7eb;
  --gray-300:#d1d5db;
  --gray-400:#9ca3af;
  --gray-500:#6b7280;
  --gray-600:#4b5563;
  --gray-700:#374151;
  --gray-800:#1f2937;
  --gray-900:#111827;
  /* 阴影 */
  --shadow-sm:0 1px 2px rgba(0,0,0,.05);
  --shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px rgba(0,0,0,.1),0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:0 10px 15px rgba(0,0,0,.1),0 4px 6px rgba(0,0,0,.05);
  /* 圆角 */
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:12px;
  --radius-full:9999px;
  /* 其他 */
  --white:#fff;
  --header-h:105px;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --border-subtle:rgba(0,0,0,.06);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Helvetica Neue","Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;color:var(--gray-700);background:var(--gray-50);line-height:1.6;font-size:14px}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
input,select,textarea,button{font:inherit;outline:none}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.98);backdrop-filter:blur(12px)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--gray-200);position:relative}
.header-top .container{display:flex;align-items:center;justify-content:space-between;width:100%;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:24px;color:var(--gray-900);cursor:pointer;position:absolute;left:50%;transform:translateX(-50%);letter-spacing:2px;line-height:60px;font-family:"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;white-space:nowrap}

.header-nav{display:flex;align-items:center;justify-content:center;padding:6px 0;border-bottom:1px solid var(--gray-200)}
.header-nav .container{display:flex;align-items:center;justify-content:center;width:100%;gap:0}
.main-nav{display:flex;align-items:center;gap:0;justify-content:center}
.main-nav>a,.nav-item{position:relative;padding:6px 16px;color:var(--gray-600);cursor:pointer;transition:var(--transition);display:flex;flex-direction:column;align-items:center;gap:1px;border-radius:var(--radius-sm)}
.main-item{display:flex;flex-direction:column;align-items:center}.nav-item .nav-cn{font-size:14px;font-weight:500;line-height:1.3;display:inline-flex;align-items:center;gap:3px}.main-nav>a .nav-cn{font-size:14px;font-weight:500;line-height:1.3;display:block}
.main-nav>a .nav-en,.nav-item .nav-en{font-size:10px;color:var(--gray-500);line-height:1.2;letter-spacing:.3px;display:block}
.main-nav>a:hover,.nav-item:hover{color:var(--primary);background:rgba(47,136,255,.06)}
.main-nav>a:hover .nav-en,.nav-item:hover .nav-en{color:var(--primary)}
.main-nav>a.active{color:var(--primary)}
.main-nav>a.active .nav-cn{font-weight:600;color:var(--primary)}
.main-nav>a.active::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:28px;height:3px;background:linear-gradient(90deg,var(--primary),#60a5fa);border-radius:2px}
.nav-dropdown{position:relative}
.nav-dropdown-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:200px;padding:8px 0;display:none;z-index:1001}
.nav-dropdown:hover .nav-dropdown-menu{display:block}
.nav-dropdown-menu a{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:13px;color:var(--gray-600);transition:var(--transition)}
.nav-dropdown-menu a:hover{background:var(--primary-light);color:var(--primary)}
.nav-dropdown-menu a svg{width:18px;height:18px;color:var(--primary);flex-shrink:0}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:var(--radius-sm);font-weight:500;cursor:pointer;transition:all .2s;border:1px solid transparent;font-size:14px;gap:6px;line-height:1.4}
.btn-primary{background:var(--primary);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary);border-radius:var(--radius-sm)}
.btn-outline:hover{background:rgba(47,136,255,.06);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;color:var(--gray-600);border:1px solid var(--gray-300);border-radius:var(--radius-sm)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-lg{padding:12px 28px;font-size:15px}
.btn-block{width:100%}

/* User Menu */
.user-menu{position:relative}
.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px;cursor:pointer}
.user-dropdown{position:absolute;top:44px;right:0;background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:180px;padding:6px 0;display:none;z-index:1001}
.user-dropdown.show{display:block}
.user-dropdown a{display:flex;align-items:center;gap:8px;padding:10px 16px;font-size:13px;color:var(--gray-600);transition:var(--transition);cursor:pointer}
.user-dropdown a:hover{background:var(--primary-light);color:var(--primary)}
.user-dropdown .divider{height:1px;background:var(--gray-100);margin:4px 0}

/* Page System */
.page{display:none;padding-top:calc(var(--header-h) + 24px);padding-bottom:60px;min-height:100vh}
.page.active{display:block}
.page-inner{display:none;padding-top:var(--header-h)}
.page-inner.active{display:block}

/* Hero */
.hero{background:url("https://s.coze.cn/image/Vd3WtjCHooE/") center/cover no-repeat;color:#fff;padding:160px 0 120px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,35,50,.85) 0%,rgba(47,136,255,.65) 100%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.03;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='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.hero .container{position:relative;z-index:2}
.hero-content{max-width:680px}
.hero h1{font-size:42px;font-weight:800;margin-bottom:18px;line-height:1.25;letter-spacing:-0.03em;text-shadow:0 2px 20px rgba(0,0,0,.15)}
.hero p{font-size:17px;opacity:.88;margin-bottom:36px;line-height:1.8;font-weight:300;letter-spacing:.01em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-hero{background:rgba(255,255,255,.95);color:var(--primary);padding:13px 32px;border-radius:var(--radius-md);font-weight:600;font-size:15px;cursor:pointer;transition:var(--transition);border:none;backdrop-filter:blur(8px);box-shadow:var(--shadow-md)}
.btn-hero:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-hero-outline{background:transparent;color:#fff;padding:13px 32px;border-radius:var(--radius-md);font-weight:500;font-size:15px;cursor:pointer;transition:var(--transition);border:1.5px solid rgba(255,255,255,.35);backdrop-filter:blur(4px)}
.btn-hero-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* Stats Bar */
.stats-bar{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:28px 36px;margin:-40px auto 32px;position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border:1px solid var(--gray-200)}
.stat-item{text-align:center}
.stat-value{font-size:28px;font-weight:700;color:var(--primary);line-height:1.2}
.stat-label{font-size:13px;color:var(--gray-500);margin-top:4px}

/* ======== UI Upgrade v2.0 - Enhanced Visuals ======== */

.hero::before {
  background: linear-gradient(135deg, rgba(26,35,50,.85) 0%, rgba(47,136,255,.65) 100%);
}

/* Stats bar enhancements */
.stats-bar .stat-item { position: relative; }
.stats-bar .stat-item::after {
  content: '';
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, transparent, var(--gray-200), transparent);
}
.stats-bar .stat-item:last-child::after { display: none; }
.stat-value { 
  font-size: 32px; 
  font-weight: 800; 
  background: linear-gradient(135deg, #2F88FF, #1a6fd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-trend { font-size: 11px; color: var(--success); margin-top: 2px; font-weight: 600; }

/* Service card badges */
.card-badge {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 2px 8px; border-radius: var(--radius-sm);
  font-size: 10px; font-weight: 700; letter-spacing: .3px;
  position: absolute; top: 12px; right: 12px;
}
.card-badge-smart { background: var(--primary-light); color: #1e40af; }
.card-badge-hot { background: #fef3c7; color: #92400e; }
.card-badge-new { background: #d1fae5; color: #065f46; }
.service-card { position: relative; overflow: hidden; }
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), #60a5fa);
  opacity: 0; transition: opacity .3s;
}
.service-card:hover::before { opacity: 1; }

/* Stagger animation for service cards */
@keyframes cardSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.service-card.visible {
  animation: cardSlideUp .6s cubic-bezier(.4,0,.2,1) both;
}
.service-card.visible:nth-child(1) { animation-delay: .05s; }
.service-card.visible:nth-child(2) { animation-delay: .1s; }
.service-card.visible:nth-child(3) { animation-delay: .15s; }
.service-card.visible:nth-child(4) { animation-delay: .2s; }
.service-card.visible:nth-child(5) { animation-delay: .25s; }
.service-card.visible:nth-child(6) { animation-delay: .3s; }
.service-card.visible:nth-child(7) { animation-delay: .35s; }
.service-card.visible:nth-child(8) { animation-delay: .4s; }

/* Floating Smart Assistant Button */
.fab-assistant {
  position: fixed; bottom: 32px; right: 32px; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, #2F88FF, #1a6fd4);
  color: #fff; border: none; cursor: pointer;
  box-shadow: 0 4px 16px rgba(47,136,255,.4), 0 0 0 0 rgba(47,136,255,.3);
  display: flex; align-items: center; justify-content: center;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  animation: fabPulse 3s infinite;
}
.fab-assistant:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 24px rgba(47,136,255,.5);
  animation: none;
}
@keyframes fabPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(47,136,255,.4), 0 0 0 0 rgba(47,136,255,.3); }
  50% { box-shadow: 0 4px 16px rgba(47,136,255,.4), 0 0 0 12px rgba(47,136,255,0); }
}
.fab-tooltip {
  position: absolute; right: 68px; top: 50%; transform: translateY(-50%);
  background: var(--gray-800); color: #fff; padding: 8px 14px; border-radius: var(--radius-md);
  font-size: 13px; font-weight: 500; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .2s;
  box-shadow: var(--shadow-md);
}
.fab-tooltip::after {
  content: ''; position: absolute; right: -6px; top: 50%; transform: translateY(-50%);
  border: 6px solid transparent; border-right: none; border-left-color: var(--gray-800);
}
.fab-assistant:hover .fab-tooltip { opacity: 1; }

/* Quick Tools Panel */
.quick-tools {
  background: linear-gradient(135deg, #f0f6ff 0%, var(--gray-50) 100%);
  padding: 48px 0; position: relative; overflow: hidden;
}
.quick-tools::before {
  content: ''; position: absolute; top: -50%; right: -20%; width: 60%; height: 200%;
  background: radial-gradient(circle, rgba(47,136,255,.04) 0%, transparent 70%);
}
.quick-tools-title {
  font-size: 22px; font-weight: 700; color: var(--gray-800);
  margin-bottom: 6px; display: flex; align-items: center; gap: 8px;
}
.quick-tools-sub { font-size: 14px; color: var(--gray-500); margin-bottom: 28px; }
.tool-card {
  background: #fff; border-radius: var(--radius-md); padding: 24px;
  border: 1px solid var(--gray-200);
  transition: all .3s cubic-bezier(.4,0,.2,1);
  cursor: pointer; position: relative; overflow: hidden;
}
.tool-card::after {
  content: '→'; position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%) translateX(8px); opacity: 0;
  font-size: 18px; color: var(--primary); transition: all .3s;
}
.tool-card:hover {
  border-color: rgba(47,136,255,.25);
  box-shadow: 0 4px 16px rgba(47,136,255,.1);
  transform: translateY(-3px);
}
.tool-card:hover::after { opacity: 1; transform: translateY(-50%) translateX(0); }
.tool-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; font-size: 20px;
}
.tool-card h4 { font-size: 14px; font-weight: 600; color: var(--gray-800); margin-bottom: 4px; line-height: 1.5; }
.tool-card p { font-size: 12px; color: var(--gray-600); line-height: 1.4; padding-right: 24px; }
.tool-tag {
  display: inline-block; padding: 1px 6px; border-radius: var(--radius-sm);
  font-size: 10px; font-weight: 600; margin-left: 6px;
  background: var(--primary-light); color: var(--primary);
}

/* Section */
.section{padding:56px 0}
.section-title{text-align:left;margin-bottom:40px;padding-left:16px;position:relative}
.section-title h2{font-size:20px;font-weight:600;color:var(--gray-800);margin-bottom:8px;letter-spacing:-0.02em;line-height:1.4}
.section-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;background:linear-gradient(180deg,var(--primary),#60a5fa);border-radius:2px}
.section-title p{font-size:14px;color:var(--gray-600);font-weight:400}

/* Service Cards Grid */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{background:#fff;border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm);transition:var(--transition);cursor:pointer;border:1px solid var(--gray-200)}
.service-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--gray-300)}
.service-card-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.service-card-icon svg{width:24px;height:24px}
.service-card h3{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--gray-800);line-height:1.5}
.service-card p{font-size:13px;color:var(--gray-600);line-height:1.6}
.service-card .card-link{display:inline-flex;align-items:center;gap:4px;margin-top:12px;font-size:13px;color:var(--primary);font-weight:500}

/* News List */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.news-item{background:#fff;border-radius:var(--radius-md);padding:0;box-shadow:var(--shadow-sm);transition:var(--transition);cursor:pointer;border:1px solid var(--gray-200);display:flex;overflow:hidden}
.news-item:hover{box-shadow:var(--shadow);border-color:var(--gray-300)}
.news-thumb{width:160px;min-height:120px;flex-shrink:0;overflow:hidden;background:var(--gray-100)}.news-thumb img{width:100%;height:100%;object-fit:cover;display:block}.news-date{text-align:center;flex-shrink:0;width:56px;padding-top:14px}
.news-date .day{font-size:24px;font-weight:700;color:var(--primary);line-height:1}
.news-date .month{font-size:12px;color:var(--gray-500);margin-top:2px}
.news-content{padding:14px 16px 14px 0;flex:1;min-width:0}
.news-content h4{font-size:14px;font-weight:600;margin-bottom:6px;color:var(--gray-800);line-height:1.5}
.news-content p{font-size:12px;color:var(--gray-600);line-height:1.4}
.news-tag{display:inline-block;padding:4px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:500;background:var(--primary-light);color:#1e40af;margin-bottom:6px}

/* Module Page Header */
.module-hero{background:linear-gradient(135deg,var(--gray-800) 0%,#1a56db 50%,#2F88FF 100%);color:#fff;padding:52px 0 44px;position:relative;overflow:hidden}
.module-hero::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:40px 40px}
.module-hero::after{content:"";position:absolute;top:-50%;right:-10%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(47,136,255,.15) 0%,transparent 70%);pointer-events:none}
/* glow restored */
.module-hero h1{font-size:30px;font-weight:800;margin-bottom:8px;letter-spacing:-0.02em;position:relative;z-index:1}
.module-hero p{font-size:15px;opacity:.8;max-width:600px;font-weight:300;position:relative;z-index:1}
.module-hero .breadcrumb{font-size:12px;opacity:.7;margin-bottom:12px;display:flex;align-items:center;gap:6px}

/* Content Blocks */

/* Natural section separators */
.content-section{padding:60px 0}
.content-section + .content-section{border-top:1px solid var(--gray-100)}
.content-section > .container > .content-block + .content-block{
  border-top:1px solid var(--gray-100);
  border-radius:var(--radius-lg) var(--radius-lg) 0 0;
  margin-bottom:0;
}
.content-section > .container > .content-block + .content-block + .content-block{
  border-top:1px solid var(--gray-100);
  border-radius:0;
  margin-bottom:0;
}
.content-section > .container > .content-block + .content-block + .content-block ~ .content-block{
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
}

.content-block{background:#fff;border-radius:var(--radius-md);padding:32px;margin-bottom:32px;border:1px solid var(--gray-200);box-shadow:var(--shadow-sm)}
.content-block:last-child{margin-bottom:0}
.content-block h3{font-size:16px;font-weight:600;margin-bottom:16px;color:var(--gray-800);display:flex;align-items:center;gap:8px;line-height:1.5}
.content-block h3 svg{width:22px;height:22px;color:var(--primary)}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-item{display:flex;align-items:flex-start;gap:12px;padding:16px;background:var(--gray-50);border-radius:var(--radius-md);transition:var(--transition);border:1px solid transparent}
.feature-item:hover{background:var(--primary-light);border-color:rgba(47,136,255,.1)}
.feature-item-icon{width:40px;height:40px;border-radius:var(--radius-md);background:var(--primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.feature-item-icon svg{width:20px;height:20px;color:var(--primary)}
.feature-item h4{font-size:14px;font-weight:600;margin-bottom:4px;color:var(--gray-800);line-height:1.5}
.feature-item p{font-size:12px;color:var(--gray-600);line-height:1.4}

/* Steps */
.step-list{display:flex;gap:0;position:relative}
.step-item{flex:1;text-align:center;position:relative;padding:0 12px}
.step-item::before{content:"";position:absolute;top:20px;left:0;right:0;height:2px;background:var(--gray-200);z-index:0}
.step-item:first-child::before{left:50%}
.step-item:last-child::before{right:50%}
.step-num{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2F88FF,#4B9AFF);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;margin:0 auto 12px;position:relative;z-index:1;box-shadow:0 3px 10px rgba(47,136,255,.25)}
.step-item h4{font-size:14px;font-weight:600;margin-bottom:4px;color:var(--gray-700);line-height:1.5}
.step-item p{font-size:12px;color:var(--gray-500);line-height:1.4}

/* Links */
.ext-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ext-link{display:flex;align-items:center;gap:12px;padding:16px 20px;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-md);transition:var(--transition);cursor:pointer;box-shadow:var(--shadow-sm)}
.ext-link:hover{border-color:rgba(47,136,255,.2);background:var(--primary-light);box-shadow:0 4px 12px rgba(47,136,255,.08)}
.ext-link svg{width:24px;height:24px;color:var(--primary);flex-shrink:0}
.ext-link .ext-info h4{font-size:14px;font-weight:600;color:var(--gray-700)}
.ext-link .ext-info p{font-size:12px;color:var(--gray-500)}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:2000;display:none;align-items:center;justify-content:center}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:var(--radius-lg);width:420px;max-width:90vw;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);border:1px solid var(--gray-200)}
.modal-header{padding:20px 24px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:16px;font-weight:600;color:var(--gray-800)}
.modal-close{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);color:var(--gray-500)}
.modal-close:hover{background:var(--gray-100);color:var(--gray-700)}
.modal-body{padding:24px}

/* Form */
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:13px;color:var(--gray-700)}
.form-control{width:100%;padding:11px 14px;border:1px solid var(--gray-300);border-radius:var(--radius-sm);transition:var(--transition);background:#fff;font-size:14px}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,136,255,.08)}
textarea.form-control{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.input-with-btn{display:flex;gap:8px}
.input-with-btn .form-control{flex:1}
.input-with-btn .btn{flex-shrink:0;white-space:nowrap}

/* Dashboard */
.dash-header{background:linear-gradient(135deg,var(--gray-800) 0%,#1a56db 60%,#2F88FF 100%);color:#fff;padding:40px 0;border-radius:0 0 var(--radius-lg) var(--radius-lg);margin-bottom:24px;position:relative}
.dash-header::after{content:"";position:absolute;inset:0;opacity:.03;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='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");pointer-events:none}
.dash-header h2{font-size:20px;font-weight:700;margin-bottom:4px}
.dash-header p{opacity:.8;font-size:14px}
.dash-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.dash-stat{background:#fff;border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);text-align:center;border:1px solid var(--gray-200)}
.dash-stat .num{font-size:28px;font-weight:700;color:var(--primary)}
.dash-stat .label{font-size:12px;color:var(--gray-500);margin-top:4px}
.dash-section{background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:24px;border:1px solid var(--gray-200)}
.dash-section h3{font-size:16px;font-weight:600;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--gray-100);color:var(--gray-800)}

/* Table */
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--gray-100);font-size:13px}
.data-table th{font-weight:600;color:var(--gray-700);background:var(--gray-50);letter-spacing:.01em;font-size:12px;text-transform:uppercase}
.data-table tr:hover td{background:var(--gray-50)}

/* Rate Cards */
.rate-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.rate-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-md);padding:16px;text-align:center;transition:var(--transition);box-shadow:var(--shadow-sm)}
.rate-card:hover{border-color:rgba(47,136,255,.2);box-shadow:var(--shadow)}
.rate-card .currency{font-size:14px;font-weight:600;margin-bottom:4px;color:var(--gray-700)}
.rate-card .rate-value{font-size:20px;font-weight:700;color:var(--primary)}
.rate-card .rate-change{font-size:12px;margin-top:4px}
.rate-up{color:var(--danger)}
.rate-down{color:var(--success)}
.rate-flat{color:var(--gray-500)}

/* Exhibition Cards */
.expo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.expo-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);transition:var(--transition)}
.expo-card:hover{box-shadow:var(--shadow);border-color:var(--gray-300)}
.expo-card-body{padding:20px}
.expo-card h4{font-size:14px;font-weight:600;margin-bottom:8px;color:var(--gray-800)}
.expo-card .expo-meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:10px}
.expo-card .expo-meta span{font-size:12px;color:var(--gray-500);display:flex;align-items:center;gap:4px}
.expo-card .expo-meta svg{width:14px;height:14px}

/* Demand Form */
.demand-form{max-width:680px;margin:0 auto}
.demand-form .form-section{background:#fff;border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm);margin-bottom:20px;border:1px solid var(--gray-200)}
.demand-form .form-section h3{font-size:16px;font-weight:600;margin-bottom:16px;color:var(--gray-800)}

/* Process Guide */
.process-card{background:#fff;border-radius:var(--radius-md);padding:32px;box-shadow:var(--shadow-sm);margin-bottom:24px;border:1px solid var(--gray-200)}
.process-card h3{font-size:16px;font-weight:600;margin-bottom:20px;text-align:center;color:var(--gray-800)}

/* Footer */
.footer{background:var(--gray-800);color:rgba(255,255,255,.7);padding:48px 0 24px;position:relative}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),#60a5fa,var(--primary))}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer h4{color:rgba(255,255,255,.95);font-size:15px;font-weight:600;margin-bottom:16px}
.footer p{font-size:13px;line-height:1.8}
.footer ul li{margin-bottom:8px}
.footer ul li a{font-size:13px;color:rgba(255,255,255,.6);transition:var(--transition)}
.footer ul li a:hover{color:#60a5fa}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:12px;color:rgba(255,255,255,.35);font-weight:300}

/* Showcase Grid */
.showcase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.showcase-card{background:#fff;border-radius:var(--radius-md);padding:24px;border-left:4px solid var(--primary);box-shadow:var(--shadow-sm);border-top:1px solid var(--gray-200);border-right:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200)}
.showcase-card h4{font-size:14px;font-weight:600;margin-bottom:8px;color:var(--gray-800)}
.showcase-card p{font-size:13px;color:var(--gray-600);margin-bottom:8px}
.showcase-card .value{font-size:14px;font-weight:600;color:var(--primary)}

/* Tab */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--gray-200);margin-bottom:24px}
.tab{padding:12px 20px;font-size:14px;font-weight:500;color:var(--gray-500);cursor:pointer;transition:var(--transition);border-bottom:2px solid transparent;margin-bottom:-2px}
.tab:hover{color:var(--gray-700)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* Badge / Tag - 统一状态标签 */
.badge,.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:500}
.badge-success,.tag-success{background:#d1fae5;color:#065f46}
.badge-warning,.tag-warning{background:#fef3c7;color:#92400e}
.badge-danger,.tag-danger{background:#fee2e2;color:#991b1b}
.badge-info,.tag-info{background:#dbeafe;color:#1e40af}
.badge-gray,.badge-default,.tag-default{background:var(--gray-100);color:var(--gray-700)}

/* CTA */
.cta-section{background:linear-gradient(135deg,#2F88FF 0%,#4B9AFF 50%,#60a5fa 100%);border-radius:var(--radius-lg);padding:48px 40px;text-align:center;color:#fff;margin:24px 0;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-section h3{font-size:20px;font-weight:700;margin-bottom:8px;line-height:1.4}
.cta-section p{opacity:.85;margin-bottom:20px;font-size:14px}
.cta-section .btn{background:rgba(255,255,255,.95);color:var(--primary);border:none;padding:12px 28px;font-weight:600;font-size:14px;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}

/* Responsive tweaks for small screens */
@media(max-width:1240px){
  .main-nav{overflow-x:auto;max-width:60%;scrollbar-width:none}.main-nav::-webkit-scrollbar{display:none}
}
@media(max-width:768px){
  .service-grid,.news-list,.feature-list,.ext-links,.expo-grid,.showcase-grid{grid-template-columns:1fr}
  .stats-bar,.dash-grid,.rate-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .step-list{flex-direction:column;gap:16px}
  .step-item::before{display:none}
}

/* Toast */
.toast{position:fixed;top:80px;right:20px;background:#fff;border-radius:var(--radius-md);padding:14px 20px;box-shadow:var(--shadow-lg);z-index:3000;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--gray-700);transform:translateX(120%);transition:transform .3s ease;border-left:4px solid var(--primary)}
.toast.show{transform:translateX(0)}
.toast.success{border-left-color:var(--success)}
.toast.error{border-left-color:var(--danger)}

/* Loading */
.loading-spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Empty State */
.empty-state{text-align:center;padding:48px 24px;color:var(--gray-500)}
.empty-state svg{width:64px;height:64px;margin:0 auto 16px;color:var(--gray-300)}
.empty-state p{font-size:14px;margin-bottom:16px;color:var(--gray-600)}

/* Scroll Reveal Animation */
.reveal{opacity:0;transform:translateY(30px);transition:all .8s cubic-bezier(.4,0,.2,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.section,.service-card,.news-item{opacity:0;transform:translateY(20px);transition:all .6s cubic-bezier(.4,0,.2,1)}
.section.visible,.content-block.visible,.service-card.visible,.news-item.visible{opacity:1;transform:translateY(0)}

/* ======== 流程指导/诊断报告 - 步骤进度 ======== */
.rpt-step{display:flex;align-items:flex-start;gap:14px;padding:6px 0;position:relative}
.rpt-step-dot{width:28px;height:28px;border-radius:50%;background:var(--gray-100);border:2px solid var(--gray-300);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .4s;position:relative;z-index:1}
.rpt-step-dot::after{content:'';display:block;width:8px;height:8px;border-radius:50%;background:transparent;transition:all .3s}
.rpt-step-content{padding-top:3px}
.rpt-step-title{font-size:14px;font-weight:600;color:var(--gray-600);transition:color .3s}
.rpt-step-desc{font-size:12px;color:var(--gray-500);margin-top:2px}
.rpt-step-line{width:2px;height:18px;background:var(--gray-200);margin-left:13px;transition:background .4s}
.rpt-step.waiting .rpt-step-dot{background:var(--gray-100);border-color:var(--gray-300)}
.rpt-step.waiting .rpt-step-title{color:var(--gray-500)}
.rpt-step.active .rpt-step-dot{background:var(--primary-light);border-color:var(--primary);animation:stepPulse 1.5s infinite}
.rpt-step.active .rpt-step-dot::after{background:var(--primary)}
.rpt-step.active .rpt-step-title{color:var(--primary);font-weight:700}
.rpt-step.done .rpt-step-dot{background:#d1fae5;border-color:var(--success)}
.rpt-step.done .rpt-step-dot::after{background:var(--success);width:10px;height:10px}
.rpt-step.done .rpt-step-title{color:var(--success)}
.rpt-step-line.done{background:var(--success)}
@keyframes stepPulse{0%,100%{box-shadow:0 0 0 0 rgba(47,136,255,.3)}50%{box-shadow:0 0 0 8px rgba(47,136,255,0)}}
.selfcheck-table{width:100%;border-collapse:collapse;font-size:13px}
.selfcheck-table th{text-align:left;padding:10px 12px;background:var(--gray-50);color:var(--gray-700);font-weight:600;border-bottom:2px solid var(--gray-200)}
.selfcheck-table td{padding:10px 12px;border-bottom:1px solid var(--gray-100);color:var(--gray-600)}
.sc-pass{color:var(--success);font-weight:600}
.sc-fail{color:var(--danger);font-weight:600}
.sc-score{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-full);font-size:13px;font-weight:700}
.sc-score.good{background:#d1fae5;color:#065f46}
.sc-score.ok{background:#fef3c7;color:#92400e}
.sc-score.bad{background:#fee2e2;color:#991b1b}


/* Hero variations per page */
#page-government .module-hero::before{background:radial-gradient(ellipse at 80% 20%,rgba(47,136,255,.15) 0%,transparent 60%)}
#page-customs .module-hero::before{background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.2))}
#page-logistics .module-hero::before{background:radial-gradient(circle at 20% 80%,rgba(47,136,255,.12) 0%,transparent 50%)}
#page-warehouse .module-hero::before{background:radial-gradient(ellipse at 70% 30%,rgba(8,145,178,.15) 0%,transparent 60%)}
#page-finance .module-hero::before{background:radial-gradient(circle at 50% 0%,rgba(47,136,255,.1) 0%,transparent 70%)}
#page-inspection .module-hero::before{background:radial-gradient(ellipse at 30% 70%,rgba(139,92,246,.12) 0%,transparent 50%)}
#page-standards .module-hero::before{background:linear-gradient(90deg,rgba(255,255,255,.03) 0%,transparent 50%,rgba(255,255,255,.02) 100%)}
#page-exhibition .module-hero::before{background:radial-gradient(circle at 80% 50%,rgba(14,165,233,.12) 0%,transparent 50%)}


@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* News responsive */
@media(max-width:768px){
  .news-featured-grid{grid-template-columns:1fr !important}
  .news-grid-3{grid-template-columns:1fr !important}
  .news-card-h{flex-direction:column !important}
  .news-card-h img{width:100% !important;height:160px !important}
}
@media(min-width:769px) and (max-width:1024px){
  .news-grid-3{grid-template-columns:repeat(2,1fr) !important}
}
.news-card-v:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,0.08) !important}
.news-card-h:hover{box-shadow:0 4px 16px rgba(0,0,0,0.08) !important}


@media (max-width: 768px) {
    #hsResult, #tariffResult, #certResult { max-height: none; }
}

/* ======== Mobile Responsive Enhancement ======== */
@media(max-width:768px){
  /* Header */
  .header-top{padding:8px 0}
  .header-nav{padding:4px 0}
  .logo{font-size:18px;letter-spacing:1px}
  .main-nav{gap:0}
  .main-nav a,.nav-item{padding:6px 10px}
  .main-nav a .nav-en,.nav-item .nav-en{font-size:10px;color:var(--gray-500);display:block}
  .header-actions .btn{padding:6px 12px;font-size:12px}
  
  /* Hero */
  .hero{padding:120px 0 80px}
  .hero h1{font-size:28px;line-height:1.3}
  .hero p{font-size:15px}
  .hero-actions{flex-direction:column;gap:10px}
  .btn-hero,.btn-hero-outline{width:100%;text-align:center;padding:12px 24px}
  
  /* Stats bar */
  .stats-bar{padding:20px 16px;margin:-30px 16px 24px;gap:16px}
  .stats-bar{grid-template-columns:1fr 1fr}
  .stat-value{font-size:24px}
  .stat-label{font-size:12px}
  .stat-item::after{display:none}
  
  /* Service cards */
  .service-grid{gap:12px}
  .service-card{padding:20px}
  .service-card h3{font-size:15px}
  
  /* Quick tools */
  .quick-tools{padding:32px 0}
  .quick-tools .container > div[style*="grid-template-columns:repeat(4"]{grid-template-columns:1fr 1fr !important;gap:12px}
  .tool-card{padding:18px}
  .tool-card h4{font-size:14px}
  .tool-card p{font-size:11px}
  
  /* Module hero */
  .module-hero{padding:36px 0 32px}
  .module-hero h1{font-size:24px}
  .module-hero p{font-size:13px}
  
  /* Content blocks */
  .content-block{padding:20px 16px;margin-bottom:16px}
  .content-section{padding:32px 0}
  .content-block h3{font-size:16px}
  .feature-list{gap:12px}
  .feature-item{padding:12px}
  
  /* Showroom banner */
  section[style*="height:480px"]{height:320px !important}
  
  /* Tools section in customs page */
  section[style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr !important}
  
  /* Policy section */
  .policy-grid{grid-template-columns:1fr !important}
  
  /* Floating button */
  .fab-assistant{width:48px;height:48px;bottom:20px;right:20px}
  .fab-tooltip{display:none}
  
  /* Forms */
  input,select,textarea{font-size:14px !important;padding:10px 12px !important}
  
  /* Declaration form */
  #declarationForm{padding:16px}
  #declarationForm input,#declarationForm select{font-size:13px}
  
  /* Grid overrides */
  .ext-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  
  /* Page top padding */
  .page{padding-top:calc(var(--header-h) + 8px)}
}

@media(max-width:480px){
  .hero h1{font-size:24px}
  .stats-bar{grid-template-columns:1fr}
  .quick-tools .container > div[style*="grid-template-columns"]{grid-template-columns:1fr !important}
  .container{padding:0 16px}
}


/* Touch-friendly adjustments */
@media(pointer:coarse){
  .btn,.btn-hero,.btn-hero-outline,.card-badge{min-height:44px;min-width:44px}
  .main-nav a,.nav-item{min-height:44px;display:flex;align-items:center}
  .service-card button{min-height:40px}
}