:root {
  --bg-primary: #0A1228;
  --bg-secondary: #0D1B2A;
  --bg-card: rgba(255,255,255,0.06);
  --bg-card-hover: rgba(255,255,255,0.1);
  --accent-blue: #1E6FFF;
  --accent-blue-light: #2D9CDB;
  --accent-gold: #C9A96E;
  --text-primary: #E6EDF7;
  --text-secondary: #A8B8CC;
  --text-caption: #71879E;
  --border-white: rgba(255,255,255,0.08);
  --border-white-hover: rgba(255,255,255,0.16);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --shadow-card: 0 12px 40px rgba(0,0,0,0.25);
  --shadow-glow: 0 0 0 1px rgba(64,156,255,0.4),0 8px 30px rgba(30,111,255,0.35);
  --shadow-glow-hover: 0 0 0 1px rgba(64,156,255,0.6),0 10px 40px rgba(30,111,255,0.5);
  --font-serif: 'Noto Serif SC','Source Han Serif SC','Georgia',serif;
  --font-sans: 'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --spacing-section: 100px;
  --spacing-section-mobile: 56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-primary);
  color:var(--text-primary);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  background-image:radial-gradient(ellipse at 20% 0%,rgba(30,111,255,0.08) 0%,transparent 60%),radial-gradient(ellipse at 80% 50%,rgba(201,169,110,0.04) 0%,transparent 50%);
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:1rem}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.glass-card{
  background:var(--bg-card);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--border-white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.06);
}
.section-head{margin-bottom:48px}
.section-number{
  font-family:var(--font-serif);
  font-size:1.1rem;
  color:var(--accent-gold);
  letter-spacing:0.1em;
  margin-bottom:8px;
  display:block;
}
.section-eyebrow{
  font-size:0.8rem;
  letter-spacing:0.25em;
  text-transform:uppercase;
  color:var(--text-caption);
  margin-bottom:16px;
  font-weight:500;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:clamp(1.6rem,3vw,2.4rem);
  line-height:1.2;
  font-weight:600;
  color:var(--text-primary);
  letter-spacing:-0.01em;
}
.section-desc{
  color:var(--text-secondary);
  max-width:560px;
  margin-top:12px;
  font-size:0.95rem;
  line-height:1.7;
}
.figcaption{
  font-size:0.8rem;
  color:var(--text-caption);
  border-left:2px solid var(--accent-gold);
  padding-left:12px;
  margin-top:24px;
  line-height:1.6;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:12px 28px;
  border-radius:999px;
  font-size:0.95rem;
  font-weight:500;
  letter-spacing:0.02em;
  transition:all .25s ease;
  border:1px solid transparent;
  white-space:nowrap;
}
.btn:focus-visible{
  outline:2px solid var(--accent-blue-light);
  outline-offset:3px;
}
.btn-primary{
  background:var(--accent-blue);
  color:#fff;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  box-shadow:var(--shadow-glow-hover);
  transform:translateY(-2px);
  background:#2a7fff;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(64,156,255,0.4),0 4px 20px rgba(30,111,255,0.3)}
.btn-secondary{
  background:rgba(255,255,255,0.04);
  border-color:rgba(255,255,255,0.16);
  color:var(--text-primary);
  backdrop-filter:blur(8px);
}
.btn-secondary:hover{
  border-color:rgba(255,255,255,0.3);
  background:rgba(255,255,255,0.08);
  transform:translateY(-2px);
}
.btn-secondary:active{transform:translateY(0)}
.btn-text{
  padding:8px 0;
  color:var(--accent-blue-light);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.btn-text:hover{
  color:var(--accent-gold);
  gap:10px;
}
.btn-text:focus-visible{
  outline:2px solid var(--accent-blue-light);
  outline-offset:2px;
  border-radius:4px;
}
.btn-glow{
  box-shadow:var(--shadow-glow);
}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(10,18,40,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:background .3s ease;
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:24px;
}
.logo{
  font-family:var(--font-serif);
  font-size:1.4rem;
  font-weight:700;
  color:var(--text-primary);
  letter-spacing:0.02em;
  white-space:nowrap;
  display:flex;
  align-items:center;
  gap:8px;
}
.logo .logo-dot{
  width:8px;height:8px;background:var(--accent-gold);border-radius:50%;display:inline-block;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-links a{
  font-size:0.9rem;
  color:var(--text-secondary);
  position:relative;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--accent-blue);
  transition:width .25s ease;
}
.nav-links a:hover{
  color:var(--text-primary);
}
.nav-links a:hover::after{
  width:100%;
}
.nav-links a.active{
  color:var(--text-primary);
}
.nav-links a.active::after{
  width:100%;
  background:var(--accent-gold);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:16px;
}
.lang-switch{
  display:inline-flex;
  border:1px solid rgba(255,255,255,0.2);
  border-radius:999px;
  overflow:hidden;
  background:rgba(255,255,255,0.03);
}
.lang-btn{
  padding:4px 16px;
  font-size:0.78rem;
  color:var(--text-caption);
  transition:all .2s ease;
  background:transparent;
}
.lang-btn:hover{
  color:var(--text-primary);
}
.lang-btn.active{
  background:rgba(255,255,255,0.12);
  color:var(--text-primary);
  font-weight:500;
}
.nav-cta{
  padding:9px 22px;
  font-size:0.85rem;
}
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:8px;
  border-radius:8px;
}
.hamburger span{
  width:22px;height:2px;
  background:var(--text-primary);
  border-radius:2px;
  transition:all .3s ease;
}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:90vh;
  display:flex;
  align-items:center;
  padding:120px 0 80px;
  overflow:hidden;
  background-image:linear-gradient(135deg,rgba(10,18,40,0.92) 0%,rgba(10,18,40,0.75) 50%,rgba(13,27,42,0.85) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.hero::after{
  content:'';
  position:absolute;
  bottom:0;left:0;right:0;
  height:120px;
  background:linear-gradient(to top,var(--bg-primary),transparent);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:60px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.8rem;
  letter-spacing:0.2em;
  color:var(--accent-gold);
  background:rgba(201,169,110,0.1);
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:20px;
  border:1px solid rgba(201,169,110,0.2);
}
.hero h1{
  font-family:var(--font-serif);
  font-size:clamp(2.2rem,5vw,3.8rem);
  line-height:1.15;
  font-weight:600;
  letter-spacing:-0.02em;
  color:var(--text-primary);
  margin-bottom:24px;
}
.hero h1 .gold{
  color:var(--accent-gold);
  font-weight:600;
}
.hero-subtitle{
  font-size:1rem;
  color:var(--text-secondary);
  line-height:1.8;
  max-width:520px;
  margin-bottom:32px;
}
.hero-buttons{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.hero-group-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.85rem;
  color:var(--text-secondary);
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border-white);
  border-radius:999px;
  padding:8px 18px;
}
.hero-group-tag strong{
  color:var(--accent-gold);
  font-size:1rem;
  font-weight:600;
}
/* 指标看板 */
.hero-metrics{
  position:relative;
  z-index:2;
}
.metrics-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.metric-card{
  background:rgba(255,255,255,0.05);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border-white);
  border-radius:var(--radius-md);
  padding:24px 20px;
  text-align:center;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.08);
  transition:transform .25s ease,border-color .25s ease;
}
.metric-card:hover{
  transform:translateY(-3px);
  border-color:rgba(255,255,255,0.2);
}
.metric-number{
  font-family:var(--font-serif);
  font-size:2.4rem;
  font-weight:700;
  color:var(--text-primary);
  line-height:1.2;
  letter-spacing:-0.02em;
}
.metric-card .metric-label{
  font-size:0.78rem;
  color:var(--text-caption);
  margin-top:6px;
  letter-spacing:0.05em;
}
/* 滚动信息条 */
.hero-scrollbar{
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  z-index:2;
  padding:14px 0;
  border-top:1px solid rgba(255,255,255,0.06);
  border-bottom:1px solid rgba(255,255,255,0.06);
  background:rgba(10,18,40,0.7);
  backdrop-filter:blur(8px);
  overflow:hidden;
  white-space:nowrap;
}
.hero-scrollbar .ticker{
  display:inline-block;
  animation:ticker 30s linear infinite;
}
.hero-scrollbar span{
  color:var(--text-caption);
  font-size:0.8rem;
  letter-spacing:0.15em;
  margin:0 24px;
  text-transform:uppercase;
}
.hero-scrollbar .ticker:hover{
  animation-play-state:paused;
}
@keyframes ticker{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

/* ===== 服务矩阵 ===== */
.services{
  padding:var(--spacing-section) 0;
  background:var(--bg-primary);
}
.services-grid{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.services-intro{
  padding:40px 32px;
  position:sticky;
  top:100px;
}
.services-intro h2{
  font-family:var(--font-serif);
  font-size:clamp(1.6rem,3vw,2.2rem);
  line-height:1.25;
  margin-bottom:16px;
  font-weight:600;
}
.services-intro p{
  color:var(--text-secondary);
  font-size:0.92rem;
  line-height:1.75;
  margin-bottom:24px;
}
.services-matrix{
  display:flex;
  flex-direction:column;
  border-top:1px solid var(--border-white);
}
.matrix-row{
  display:flex;
  align-items:center;
  gap:24px;
  padding:28px 12px;
  border-bottom:1px solid var(--border-white);
  transition:background .2s ease;
}
.matrix-row:hover{
  background:rgba(255,255,255,0.03);
}
.matrix-num{
  font-family:var(--font-serif);
  font-size:1.2rem;
  color:var(--accent-gold);
  width:44px;
  flex-shrink:0;
}
.matrix-info{
  flex:1;
}
.matrix-info h3{
  font-size:1.05rem;
  font-weight:600;
  color:var(--text-primary);
  margin-bottom:4px;
}
.matrix-info p{
  font-size:0.85rem;
  color:var(--text-secondary);
  line-height:1.6;
}
.matrix-arrow{
  color:var(--text-caption);
  font-size:1.2rem;
  transition:color .2s ease,transform .2s ease;
  flex-shrink:0;
}
.matrix-row:hover .matrix-arrow{
  color:var(--accent-gold);
  transform:translateX(4px);
}

/* ===== 资讯区 ===== */
.news{
  padding:var(--spacing-section) 0;
  background:var(--bg-secondary);
  border-top:1px solid rgba(255,255,255,0.04);
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.news-grid{
  display:grid;
  grid-template-columns:8fr 4fr;
  gap:48px;
}
.news-list{
  display:flex;
  flex-direction:column;
}
.news-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:18px 0;
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:padding-left .25s ease;
}
.news-item:hover{
  padding-left:8px;
}
.news-item:last-child{
  border-bottom:none;
}
.news-date{
  font-size:0.8rem;
  color:var(--text-caption);
  font-family:var(--font-serif);
  flex-shrink:0;
  min-width:56px;
}
.news-title{
  font-size:0.98rem;
  color:var(--text-primary);
  line-height:1.5;
  transition:color .2s ease;
  flex:1;
}
.news-item:hover .news-title{
  color:var(--accent-blue-light);
}
.news-tag{
  font-size:0.75rem;
  color:var(--accent-gold);
  border:1px solid rgba(201,169,110,0.3);
  border-radius:4px;
  padding:2px 10px;
  flex-shrink:0;
}
.news-side{
  padding:0;
}
.news-side-img{
  border-radius:var(--radius-md);
  overflow:hidden;
  margin-bottom:24px;
  border:1px solid var(--border-white);
}
.news-side-img img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.news-side h3{
  font-family:var(--font-serif);
  font-size:1.1rem;
  margin-bottom:16px;
  color:var(--text-primary);
}
.tag-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag-item{
  display:inline-block;
  font-size:0.8rem;
  color:var(--text-secondary);
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border-white);
  border-radius:999px;
  padding:4px 14px;
  transition:all .2s ease;
}
.tag-item:hover{
  background:rgba(255,255,255,0.1);
  color:var(--text-primary);
  border-color:var(--border-white-hover);
}

/* ===== 结果对比 ===== */
.compare{
  padding:var(--spacing-section) 0;
}
.compare-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
}
.compare-card{
  border-radius:var(--radius-lg);
  padding:36px 32px;
  border:1px solid var(--border-white);
  background:rgba(255,255,255,0.03);
  position:relative;
}
.compare-card.highlight{
  background:linear-gradient(145deg,rgba(30,111,255,0.1),rgba(30,111,255,0.03));
  border-color:rgba(64,156,255,0.4);
  box-shadow:0 0 40px rgba(30,111,255,0.15),inset 0 1px 0 rgba(255,255,255,0.08);
}
.compare-card h3{
  font-family:var(--font-serif);
  font-size:1.3rem;
  font-weight:600;
  margin-bottom:20px;
  color:var(--text-primary);
}
.badge{
  display:inline-block;
  background:var(--accent-gold);
  color:#1a1a1a;
  font-size:0.7rem;
  font-weight:600;
  border-radius:4px;
  padding:2px 10px;
  position:absolute;
  top:20px;
  right:20px;
  letter-spacing:0.05em;
}
.compare-card ul{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.compare-card ul li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:0.92rem;
  color:var(--text-secondary);
  line-height:1.6;
}
.compare-card ul li::before{
  content:'—';
  color:var(--text-caption);
  flex-shrink:0;
}
.compare-card.highlight ul li{
  color:var(--text-primary);
}
.compare-card.highlight ul li::before{
  content:'✓';
  color:var(--accent-gold);
}

/* ===== 热门专题 ===== */
.topics{
  padding:var(--spacing-section) 0;
  background:var(--bg-secondary);
  border-top:1px solid rgba(255,255,255,0.04);
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.topic-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:8px;
}
.topic-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 22px;
  border-radius:999px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border-white);
  color:var(--text-secondary);
  font-size:0.9rem;
  transition:all .2s ease;
}
.topic-item:hover{
  background:rgba(30,111,255,0.15);
  border-color:rgba(30,111,255,0.4);
  color:var(--text-primary);
  transform:translateY(-2px);
}
.topic-item .topic-count{
  color:var(--accent-gold);
  font-size:0.75rem;
}

/* ===== FAQ ===== */
.faq{
  padding:var(--spacing-section) 0;
}
.faq-grid{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.faq-dir{
  position:sticky;
  top:100px;
  padding:40px 24px 40px 0;
}
.faq-dir h2{
  font-family:var(--font-serif);
  font-size:clamp(1.6rem,3vw,2.2rem);
  margin-bottom:16px;
  font-weight:600;
}
.faq-dir p{
  color:var(--text-secondary);
  font-size:0.9rem;
  margin-bottom:24px;
  line-height:1.7;
}
.faq-dir ul{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.faq-dir ul li a{
  color:var(--text-caption);
  font-size:0.85rem;
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 0;
  transition:color .2s ease;
}
.faq-dir ul li a:hover{
  color:var(--accent-blue-light);
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border-white);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .3s ease;
}
.faq-item:hover{
  border-color:var(--border-white-hover);
}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:0.98rem;
  font-weight:500;
  color:var(--text-primary);
  transition:background .3s ease;
  cursor:pointer;
}
.faq-question:hover{
  background:rgba(255,255,255,0.04);
}
.faq-question:focus-visible{
  outline:2px solid var(--accent-blue-light);
  outline-offset:-2px;
}
.faq-qnum{
  font-family:var(--font-serif);
  color:var(--accent-gold);
  font-size:0.9rem;
  flex-shrink:0;
}
.faq-icon{
  margin-left:auto;
  width:20px;
  height:20px;
  position:relative;
  flex-shrink:0;
  transition:transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:'';
  position:absolute;
  background:var(--text-caption);
  border-radius:2px;
  transition:background .3s ease;
}
.faq-icon::before{
  width:14px;height:2px;
  top:9px;left:3px;
}
.faq-icon::after{
  width:2px;height:14px;
  top:3px;left:9px;
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{
  background:var(--accent-gold);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease,padding .35s ease;
  padding:0 24px;
  color:var(--text-secondary);
  font-size:0.88rem;
  line-height:1.7;
}
.faq-item.open .faq-answer{
  max-height:200px;
  padding:0 24px 20px;
}
.faq-answer-inner{
  padding-top:4px;
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:14px;
}

/* ===== 转化表单 ===== */
.contact{
  padding:var(--spacing-section) 0;
  background-image:linear-gradient(135deg,rgba(10,18,40,0.95) 0%,rgba(13,27,42,0.9) 100%),url('/assets/images/backpic/back-2.jpg');
  background-size:cover;
  background-position:center;
}
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.contact-info{
  padding:40px 0;
}
.contact-info h2{
  font-family:var(--font-serif);
  font-size:clamp(1.6rem,3vw,2.2rem);
  margin-bottom:16px;
  font-weight:600;
}
.contact-info p{
  color:var(--text-secondary);
  font-size:0.95rem;
  margin-bottom:16px;
  line-height:1.7;
}
.contact-meta{
  margin-top:32px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.contact-meta-item{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.9rem;
  color:var(--text-primary);
}
.contact-meta-item .meta-label{
  color:var(--text-caption);
  font-size:0.8rem;
  min-width:48px;
}
.contact-form-wrap{
  padding:40px 36px;
}
.form-group{
  margin-bottom:20px;
}
.form-group label{
  display:block;
  font-size:0.85rem;
  color:var(--text-secondary);
  margin-bottom:6px;
  font-weight:500;
}
.form-control{
  width:100%;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--radius-sm);
  padding:12px 16px;
  color:var(--text-primary);
  font-size:0.92rem;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-control:hover{
  background:rgba(255,255,255,0.08);
  border-color:rgba(255,255,255,0.2);
}
.form-control:focus{
  outline:none;
  border-color:var(--accent-blue);
  box-shadow:0 0 0 3px rgba(30,111,255,0.25),0 0 20px rgba(30,111,255,0.15);
  background:rgba(255,255,255,0.08);
}
textarea.form-control{
  min-height:90px;
  resize:vertical;
}
.select-wrap{
  position:relative;
}
.select-wrap .form-control{
  appearance:none;
  padding-right:40px;
}
.select-arrow{
  position:absolute;
  right:16px;top:50%;
  transform:translateY(-50%);
  color:var(--text-caption);
  pointer-events:none;
  font-size:0.8rem;
}
.form-error .form-control{
  border-color:#e74c3c;
  box-shadow:0 0 0 3px rgba(231,76,60,0.2);
}
.form-error-msg{
  color:#e74c3c;
  font-size:0.78rem;
  margin-top:4px;
  display:none;
}
.form-error .form-error-msg{
  display:block;
}
.form-success-msg{
  color:#2ecc71;
  font-size:0.85rem;
  margin-top:12px;
  display:none;
  padding:10px 16px;
  background:rgba(46,204,113,0.1);
  border-radius:8px;
}
.form-success-msg.show{
  display:block;
}
.form-submit-btn{
  width:100%;
  padding:14px 28px;
  font-size:1rem;
  font-weight:600;
  margin-top:8px;
}
.privacy-hint{
  font-size:0.75rem;
  color:var(--text-caption);
  text-align:center;
  margin-top:14px;
  line-height:1.5;
}

/* ===== 页脚 ===== */
.site-footer{
  background:#060D1D;
  padding:64px 0 0;
  border-top:1px solid rgba(255,255,255,0.06);
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 3fr 3fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand-logo{
  font-family:var(--font-serif);
  font-size:1.3rem;
  font-weight:600;
  color:var(--text-primary);
  display:block;
  margin-bottom:12px;
}
.footer-brand p{
  color:var(--text-caption);
  font-size:0.85rem;
  line-height:1.7;
}
.footer-links h4,.footer-contact h4{
  font-size:0.85rem;
  color:var(--text-primary);
  margin-bottom:16px;
  font-weight:600;
  letter-spacing:0.05em;
}
.footer-links ul{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-links a{
  color:var(--text-caption);
  font-size:0.85rem;
  transition:color .2s ease;
}
.footer-links a:hover{
  color:var(--accent-blue-light);
}
.footer-contact ul{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-contact ul li{
  color:var(--text-caption);
  font-size:0.85rem;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:20px 0;
  text-align:center;
}
.footer-bottom a{
  color:var(--text-caption);
}
.footer-bottom a:hover{
  color:var(--text-primary);
}
.footer-bottom p{
  color:var(--text-caption);
  font-size:0.8rem;
}
.footer-bottom .copyright{
  color:#4a5a72;
  font-size:0.78rem;
}

/* ===== 移动端抽屉 ===== */
.mobile-drawer{
  display:none;
  position:fixed;
  top:0;right:0;
  width:300px;
  height:100vh;
  background:rgba(10,18,40,0.98);
  backdrop-filter:blur(20px);
  z-index:2000;
  flex-direction:column;
  padding:40px 32px;
  transform:translateX(100%);
  transition:transform .35s ease;
  border-left:1px solid var(--border-white);
}
.mobile-drawer.open{
  transform:translateX(0);
}
.drawer-close{
  position:absolute;
  top:16px;right:16px;
  width:40px;height:40px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-primary);
  font-size:1.4rem;
  transition:background .2s ease;
}
.drawer-close:hover{
  background:rgba(255,255,255,0.1);
}
.mobile-drawer .drawer-links{
  display:flex;
  flex-direction:column;
  gap:24px;
  margin-top:32px;
}
.mobile-drawer .drawer-links a{
  font-size:1.1rem;
  color:var(--text-primary);
  padding:8px 0;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.mobile-drawer .drawer-links a:hover{
  color:var(--accent-gold);
}
.drawer-bottom{
  margin-top:auto;
  padding-bottom:20px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.drawer-lang{
  display:flex;
  gap:8px;
}
.drawer-lang .lang-btn{
  flex:1;
  text-align:center;
  padding:8px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.15);
}
.drawer-lang .lang-btn.active{
  background:rgba(255,255,255,0.12);
}
.drawer-cta{
  width:100%;
}
.overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.5);
  z-index:1500;
  opacity:0;
  transition:opacity .3s ease;
}
.overlay.show{
  display:block;
  opacity:1;
}

/* ===== 响应式 ===== */
@media(max-width:1023px){
  .hero-grid{
    grid-template-columns:1fr;
    gap:40px;
  }
  .hero{
    padding:80px 0 120px;
  }
  .services-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .services-intro{
    position:static;
    padding:32px 28px;
  }
  .news-grid{
    grid-template-columns:1fr;
  }
  .faq-grid{
    grid-template-columns:1fr;
  }
  .faq-dir{
    position:static;
    padding:0;
  }
  .contact-grid{
    grid-template-columns:1fr;
    gap:40px;
  }
  .nav-links{
    display:none;
  }
  .hamburger{
    display:flex;
  }
  .nav-right .lang-switch{
    display:none;
  }
  .nav-right .btn-primary{
    display:none;
  }
  .mobile-drawer{
    display:flex;
  }
}
@media(max-width:767px){
  :root{
    --spacing-section:56px;
  }
  .metrics-grid{
    grid-template-columns:1fr 1fr;
    gap:12px;
  }
  .metric-card{
    padding:18px 14px;
  }
  .metric-number{
    font-size:1.8rem;
  }
  .hero-buttons{
    flex-direction:column;
  }
  .hero-buttons .btn{
    width:100%;
  }
  .compare-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .news-item{
    flex-wrap:wrap;
    gap:8px;
  }
  .news-date{
    width:100%;
    min-width:auto;
  }
  .contact-form-wrap{
    padding:32px 24px;
  }
  .matrix-row{
    gap:16px;
    padding:20px 8px;
  }
  .matrix-num{
    width:36px;
    font-size:1rem;
  }
  .section-head h2{
    font-size:1.5rem;
  }
  .services-intro,.news-side{
    padding:24px 20px;
  }
  .compare-card{
    padding:28px 24px;
  }
  .faq-question{
    padding:16px 18px;
    font-size:0.9rem;
  }
  .faq-answer{
    font-size:0.84rem;
  }
  .hero-group-tag{
    width:100%;
    justify-content:center;
  }
  .hero{
    padding:64px 0 120px;
  }
  .services-intro h2,.faq-dir h2,.contact-info h2{
    font-size:1.4rem;
  }
}

@media(max-width:520px){
  .metrics-grid{
    grid-template-columns:1fr 1fr;
  }
  .container{
    padding:0 16px;
  }
  .hero h1{
    font-size:2rem;
  }
  .nav-wrap{
    height:64px;
  }
  .logo{
    font-size:1.1rem;
  }
  .topic-item{
    padding:8px 16px;
    font-size:0.82rem;
  }
}