:root{
  --navy-900:#071E3B;
  --navy-800:#0B2A52;
  --navy-700:#123A6B;
  --navy-600:#1B4F8A;
  --navy-500:#2A6BB0;
  --gold:#C8A24A;
  --gold-light:#E4C77E;
  --gold-deep:#A8822F;
  --tint-1:#F2F6FC;
  --tint-2:#E7EFF9;
  --tint-3:#DCE7F5;
  --ink:#12263F;
  --ink-soft:#4E6480;
  --line:#E1E9F3;
  --white:#FFFFFF;
  --paper:#F8FAFD;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:9px;
  --shadow-xs:0 2px 10px rgba(11,42,82,.05);
  --shadow-sm:0 8px 24px rgba(11,42,82,.07);
  --shadow-md:0 16px 40px rgba(11,42,82,.11);
  --shadow-lg:0 30px 70px rgba(11,42,82,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,
*::before,
*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;}
a{color:var(--navy-700);text-decoration:none;transition:color .3s var(--ease);}
a:hover{color:var(--gold-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--navy-900);font-weight:700;letter-spacing:-.3px;line-height:1.3;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
::selection{background:var(--navy-800);color:#fff;}

a:focus-visible,
button:focus-visible,
.faq-question:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- 通用布局 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
}

.section{
  padding:96px 0;
  position:relative;
}

.section + .section{
  border-top:1px solid rgba(225,233,243,.85);
}

.section-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:7px 16px 7px 14px;
  border-radius:100px;
  background:linear-gradient(135deg,#FCF7EA,#F6EEDB);
  border:1px solid rgba(200,162,74,.32);
  color:var(--gold-deep);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:2.4px;
  line-height:1;
  margin-bottom:22px;
  text-transform:uppercase;
}

.section-label::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 3px rgba(200,162,74,.18);
  flex:0 0 auto;
}

.section-title{
  font-size:clamp(26px,3.1vw,40px);
  line-height:1.28;
  font-weight:800;
  color:var(--navy-900);
  letter-spacing:-.8px;
  margin:0 0 18px;
  max-width:820px;
}

.section-desc{
  font-size:16px;
  line-height:1.95;
  color:var(--ink-soft);
  max-width:720px;
  margin:0 0 8px;
}

.section-title.text-center,
.section-desc.text-center,
.section-label.text-center{
  margin-left:auto;
  margin-right:auto;
}

/* ---------- 文字工具 ---------- */
.text-accent{
  color:var(--gold-deep);
  position:relative;
}

.text-center{text-align:center;}
.text-center .section-title,
.text-center .section-desc{margin-left:auto;margin-right:auto;}
.mt-0{margin-top:0 !important;}
.mb-0{margin-bottom:0 !important;}

.seo-description{
  font-size:14.5px;
  line-height:2.05;
  color:#6A7E97;
  text-align:justify;
  letter-spacing:.2px;
  max-width:900px;
  margin:0 auto;
  padding:26px 28px;
  background:linear-gradient(180deg,#FFFFFF,#F4F8FD);
  border:1px solid var(--line);
  border-left:3px solid var(--gold);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:15px 34px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.6px;
  line-height:1.2;
  cursor:pointer;
  white-space:nowrap;
  transition:
    transform .4s var(--ease),
    box-shadow .4s var(--ease),
    background .4s var(--ease),
    color .4s var(--ease),
    border-color .4s var(--ease);
}

.btn-primary{
  background:linear-gradient(135deg,#17457A 0%,#0B2A52 100%);
  color:#FFFFFF;
  box-shadow:0 12px 26px rgba(11,42,82,.22), inset 0 1px 0 rgba(255,255,255,.14);
}

.btn-primary::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:7px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(228,199,126,.85),transparent);
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .4s var(--ease),transform .4s var(--ease);
}

.btn-primary:hover{
  color:#FFFFFF;
  transform:translateY(-3px);
  background:linear-gradient(135deg,#1C528F 0%,#0E2E56 100%);
  box-shadow:0 20px 40px rgba(11,42,82,.28), inset 0 1px 0 rgba(255,255,255,.18);
}

.btn-primary:hover::after{opacity:1;transform:scaleX(1);}

.btn-outline{
  background:rgba(255,255,255,.7);
  color:var(--navy-800);
  border-color:#C9D7E8;
  box-shadow:0 4px 14px rgba(11,42,82,.04);
}

.btn-outline:hover{
  color:var(--navy-900);
  background:linear-gradient(135deg,#FDF9EF,#F7EFDD);
  border-color:var(--gold);
  transform:translateY(-3px);
  box-shadow:0 14px 30px rgba(200,162,74,.18);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--line);
}

.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:linear-gradient(90deg,transparent 0%,rgba(200,162,74,.55) 30%,rgba(200,162,74,.85) 50%,rgba(200,162,74,.55) 70%,transparent 100%);
  pointer-events:none;
}

.header-inner{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:16px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  position:relative;
}

.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:18px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--navy-900);
  text-decoration:none;
  flex:0 0 auto;
}

.logo:hover{color:var(--navy-900);}

.logo-icon{
  width:44px;
  height:44px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,#17457A 0%,#0B2A52 100%);
  color:var(--gold-light);
  font-size:17px;
  font-weight:800;
  letter-spacing:0;
  box-shadow:0 8px 18px rgba(11,42,82,.24), inset 0 0 0 1px rgba(200,162,74,.4);
  transition:transform .45s var(--ease), box-shadow .45s var(--ease);
}

.logo:hover .logo-icon{
  transform:rotate(-6deg) scale(1.04);
  box-shadow:0 12px 24px rgba(11,42,82,.3), inset 0 0 0 1px rgba(228,199,126,.7);
}

.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:wrap;
}

.main-nav a{
  position:relative;
  display:inline-block;
  padding:9px 15px;
  font-size:15px;
  font-weight:500;
  color:#2C4361;
  border-radius:8px;
  transition:color .3s var(--ease),background .3s var(--ease);
}

.main-nav a::after{
  content:"";
  position:absolute;
  left:15px;
  right:15px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold-light),var(--gold));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .38s var(--ease);
}

.main-nav a:hover{
  color:var(--navy-900);
  background:rgba(231,239,249,.7);
}

.main-nav a:hover::after{transform:scaleX(1);}

.nav-cta{
  margin-left:12px;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 24px;
  border-radius:10px;
  background:linear-gradient(135deg,#17457A,#0B2A52);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  letter-spacing:.5px;
  box-shadow:0 10px 22px rgba(11,42,82,.2);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease);
}

.nav-cta:hover{
  color:#fff;
  transform:translateY(-2px);
  background:linear-gradient(135deg,#1C528F,#0E2E56);
  box-shadow:0 16px 30px rgba(11,42,82,.28);
}

.menu-toggle{
  display:none;
  width:46px;
  height:46px;
  padding:0;
  border:1px solid var(--line);
  border-radius:11px;
  background:#fff;
  cursor:pointer;
  position:relative;
  flex:0 0 auto;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}

.menu-toggle:hover{border-color:var(--gold);box-shadow:0 8px 18px rgba(11,42,82,.08);}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after{
  content:"";
  position:absolute;
  left:50%;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--navy-800);
  transform:translateX(-50%);
  transition:transform .35s var(--ease),opacity .25s var(--ease);
}

.menu-toggle::before{top:15px;}
.menu-toggle span{top:22px;}
.menu-toggle::after{top:29px;}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  padding:104px 0 112px;
  overflow:hidden;
  background:
    radial-gradient(900px 500px at 84% -12%, rgba(200,162,74,.16), transparent 62%),
    radial-gradient(820px 540px at 6% 8%, rgba(42,107,176,.14), transparent 64%),
    linear-gradient(180deg,#FFFFFF 0%,#F3F7FC 100%);
  border-bottom:1px solid var(--line);
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(11,42,82,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,42,82,.045) 1px,transparent 1px);
  background-size:68px 68px;
  -webkit-mask-image:radial-gradient(circle at 50% 34%,#000 0%,transparent 74%);
  mask-image:radial-gradient(circle at 50% 34%,#000 0%,transparent 74%);
  pointer-events:none;
}

.hero::after{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-160px;
  bottom:-200px;
  border-radius:50%;
  border:1px solid rgba(200,162,74,.28);
  pointer-events:none;
}

.hero .container{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:60px;
  align-items:center;
  position:relative;
  z-index:2;
}

.hero-content{
  max-width:640px;
  animation:heroIn .9s var(--ease) both;
}

@keyframes heroIn{
  from{opacity:0;transform:translateY(22px);}
  to{opacity:1;transform:translateY(0);}
}

.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  font-weight:700;
  letter-spacing:3px;
  color:var(--gold-deep);
  margin-bottom:24px;
  padding:8px 18px 8px 14px;
  border-radius:100px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(200,162,74,.35);
  box-shadow:0 6px 18px rgba(11,42,82,.05);
}

.hero-eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),rgba(200,162,74,.15));
  flex:0 0 auto;
}

.hero-content h1{
  font-size:clamp(32px,4.6vw,58px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-1.6px;
  color:var(--navy-900);
  margin:0 0 24px;
}

.hero-content h1 .text-accent{
  background:linear-gradient(120deg,#B08B32,#E4C77E 55%,#A8822F);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}

.hero-content p{
  font-size:17px;
  line-height:2;
  color:var(--ink-soft);
  max-width:540px;
  margin:0 0 34px;
}

.hero-buttons{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}

.hero-image{
  position:relative;
  min-height:400px;
  border-radius:26px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(150deg,#0E2E56 0%,#17457A 46%,#0A2444 100%);
  border:1px solid rgba(200,162,74,.4);
  box-shadow:var(--shadow-lg);
  animation:heroIn 1.1s .12s var(--ease) both;
}

.hero-image::before{
  content:"";
  position:absolute;
  width:340px;
  height:340px;
  top:-120px;
  right:-100px;
  border-radius:50%;
  border:1px solid rgba(228,199,126,.34);
  box-shadow:0 0 0 28px rgba(228,199,126,.05);
  pointer-events:none;
}

.hero-image::after{
  content:"";
  position:absolute;
  inset:14px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.14);
  pointer-events:none;
  z-index:3;
}

.hero-image img{
  position:relative;
  z-index:2;
  width:100%;
  height:100%;
  min-height:400px;
  object-fit:cover;
  display:block;
}

/* ---------- 产品服务卡片 ---------- */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(272px,1fr));
  gap:26px;
  margin-top:52px;
}

.category-card{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:38px 30px 32px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-xs);
  transition:
    transform .45s var(--ease),
    box-shadow .45s var(--ease),
    border-color .45s var(--ease);
}

.category-card::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light),var(--gold));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .55s var(--ease);
}

.category-card::after{
  content:"";
  position:absolute;
  right:-70px;
  bottom:-70px;
  width:170px;
  height:170px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(42,107,176,.09),transparent 68%);
  opacity:0;
  transition:opacity .5s var(--ease);
  pointer-events:none;
}

.category-card:hover{
  transform:translateY(-8px);
  border-color:#E7D9B2;
  box-shadow:var(--shadow-md);
}

.category-card:hover::before{transform:scaleX(1);}
.category-card:hover::after{opacity:1;}

.card-icon{
  position:relative;
  width:62px;
  height:62px;
  display:grid;
  place-items:center;
  border-radius:16px;
  margin-bottom:24px;
  font-size:26px;
  color:var(--navy-700);
  background:linear-gradient(140deg,#EDF3FB,#D7E4F4);
  box-shadow:inset 0 0 0 1px rgba(27,79,138,.08);
  transition:background .45s var(--ease),color .45s var(--ease),transform .45s var(--ease);
}

.card-icon::after{
  content:"";
  position:absolute;
  right:-5px;
  bottom:-5px;
  width:16px;
  height:16px;
  border-radius:5px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  box-shadow:0 4px 10px rgba(200,162,74,.35);
}

.category-card:hover .card-icon{
  color:var(--gold-light);
  background:linear-gradient(140deg,#17457A,#0B2A52);
  transform:translateY(-3px);
}

.category-card h3{
  font-size:19.5px;
  font-weight:700;
  color:var(--navy-900);
  margin:0 0 12px;
  letter-spacing:-.2px;
}

.category-card p{
  font-size:14.8px;
  line-height:1.95;
  color:var(--ink-soft);
  margin:0 0 24px;
  flex:1;
}

.card-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--navy-700);
  align-self:flex-start;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .35s var(--ease),border-color .35s var(--ease),gap .35s var(--ease);
}

.card-link::after{
  content:"→";
  font-size:15px;
  color:var(--gold);
  transition:transform .35s var(--ease);
}

.card-link:hover{
  color:var(--gold-deep);
  border-color:rgba(200,162,74,.5);
  gap:12px;
}

.card-link:hover::after{transform:translateX(2px);}

/* ---------- 特性区块 ---------- */
.feature-block{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:64px;
  align-items:center;
}

.feature-image{
  position:relative;
  min-height:420px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:
    radial-gradient(400px 300px at 80% 10%, rgba(200,162,74,.2), transparent 60%),
    linear-gradient(150deg,#EAF1FA 0%,#D6E4F5 100%);
  border:1px solid var(--tint-3);
  box-shadow:var(--shadow-md);
}

.feature-image::after{
  content:"";
  position:absolute;
  inset:0;
  margin:14px;
  border-radius:16px;
  border:1px solid rgba(200,162,74,.38);
  pointer-events:none;
  z-index:3;
}

.feature-image img{
  width:100%;
  height:100%;
  min-height:420px;
  object-fit:cover;
  display:block;
  position:relative;
  z-index:2;
}

.feature-text{
  max-width:560px;
}

.feature-text h2{
  font-size:clamp(25px,2.9vw,36px);
  line-height:1.32;
  letter-spacing:-.7px;
  color:var(--navy-900);
  margin:0 0 20px;
}

.feature-text p{
  font-size:16px;
  line-height:2;
  color:var(--ink-soft);
  margin:0 0 8px;
}

.feature-list{
  list-style:none;
  margin:30px 0 0;
  padding:0;
  display:flex;
  flex-direction:column;
}

.feature-list li{
  position:relative;
  padding:17px 0 17px 44px;
  font-size:15.5px;
  line-height:1.8;
  color:#3D5470;
  border-bottom:1px dashed #DCE6F3;
  transition:color .3s var(--ease),padding-left .3s var(--ease);
}

.feature-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:26px;
  height:26px;
  border-radius:50%;
  transform:translateY(-50%);
  background:linear-gradient(135deg,#F6EBCE,#E4C77E);
  box-shadow:inset 0 0 0 1px rgba(168,130,47,.4),0 4px 10px rgba(200,162,74,.16);
}

.feature-list li::after{
  content:"";
  position:absolute;
  left:8px;
  top:50%;
  width:9px;
  height:5px;
  border-left:2px solid #6E5314;
  border-bottom:2px solid #6E5314;
  transform:translateY(-64%) rotate(-45deg);
}

.feature-list li:last-child{border-bottom:none;}
.feature-list li:hover{color:var(--navy-900);padding-left:48px;}

/* ---------- 数据条 ---------- */
.stats-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:linear-gradient(140deg,#FFFFFF 0%,#EBF2FA 100%);
  border:1px solid var(--tint-3);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  position:relative;
}

.stats-bar::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:3px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}

.stat-item{
  position:relative;
  padding:46px 26px;
  text-align:center;
  transition:background .4s var(--ease);
}

.stat-item + .stat-item::before{
  content:"";
  position:absolute;
  left:0;
  top:24%;
  bottom:24%;
  width:1px;
  background:linear-gradient(180deg,transparent,#C8D8EA,transparent);
}

.stat-item:hover{
  background:linear-gradient(180deg,rgba(255,255,255,.6),rgba(228,199,126,.1));
}

.stat-number{
  display:block;
  font-size:clamp(30px,3.8vw,46px);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-1.5px;
  color:var(--navy-800);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}

.stat-label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  letter-spacing:2px;
  color:#6A7E97;
}

/* ---------- 内容墙 ---------- */
.content-wall{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(290px,1fr));
  gap:26px;
  margin-top:52px;
}

.content-wall-item{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-xs);
  transition:
    transform .45s var(--ease),
    box-shadow .45s var(--ease),
    border-color .45s var(--ease);
}

.content-wall-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--gold-light),var(--gold));
  transform:scaleY(0);
  transform-origin:top center;
  transition:transform .5s var(--ease);
  z-index:2;
}

.content-wall-item:hover{
  transform:translateY(-6px);
  border-color:#E7D9B2;
  box-shadow:var(--shadow-md);
}

.content-wall-item:hover::before{transform:scaleY(1);}

.content-wall-item img{
  width:100%;
  height:190px;
  object-fit:cover;
  display:block;
}

.content-wall-body{
  padding:26px 26px 28px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}

.content-wall-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  color:var(--navy-900);
  margin:0;
  transition:color .35s var(--ease);
}

.content-wall-item:hover .content-wall-body h3{color:var(--navy-700);}

.content-wall-body p{
  font-size:14.6px;
  line-height:1.92;
  color:var(--ink-soft);
  margin:0;
  flex:1;
}

.content-wall-body time,
.content-wall-body .wall-meta{
  font-size:12.5px;
  letter-spacing:1.6px;
  color:var(--gold-deep);
  font-weight:600;
}

.content-wall-body a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:700;
  color:var(--navy-700);
  align-self:flex-start;
}

.content-wall-body a::after{
  content:"→";
  color:var(--gold);
  transition:transform .35s var(--ease);
}

.content-wall-body a:hover{color:var(--gold-deep);}
.content-wall-body a:hover::after{transform:translateX(3px);}

/* ---------- 问答 ---------- */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  max-width:920px;
  margin:48px auto 0;
}

.faq-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:
    border-color .4s var(--ease),
    box-shadow .4s var(--ease),
    transform .4s var(--ease);
}

.faq-item:hover{
  border-color:#D9C58E;
  box-shadow:var(--shadow-xs);
}

.faq-item.active,
.faq-item.open,
.faq-item.is-open{
  border-color:rgba(200,162,74,.6);
  box-shadow:0 14px 34px rgba(11,42,82,.08);
}

.faq-question{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 62px 22px 26px;
  margin:0;
  font-size:16px;
  font-weight:700;
  line-height:1.6;
  color:var(--navy-900);
  cursor:pointer;
  user-select:none;
  transition:color .3s var(--ease),background .3s var(--ease);
}

.faq-question::before{
  content:"";
  flex:0 0 auto;
  width:9px;
  height:9px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  transform:rotate(45deg);
  transition:transform .4s var(--ease);
}

.faq-question::after{
  content:"+";
  position:absolute;
  right:26px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--gold);
  transition:transform .4s var(--ease),color .3s var(--ease);
}

.faq-item.active .faq-question::after,
.faq-item.open .faq-question::after,
.faq-item.is-open .faq-question::after{
  transform:translateY(-50%) rotate(135deg);
  color:var(--navy-700);
}

.faq-item.active .faq-question::before,
.faq-item.open .faq-question::before,
.faq-item.is-open .faq-question::before{
  transform:rotate(225deg);
}

.faq-question:hover{background:rgba(244,248,253,.8);}

.faq-answer{
  padding:0 62px 26px 26px;
  font-size:15px;
  line-height:2;
  color:var(--ink-soft);
  border-top:1px solid transparent;
  animation:faqIn .4s var(--ease) both;
}

.faq-item.active .faq-answer,
.faq-item.open .faq-answer,
.faq-item.is-open .faq-answer{
  border-top-color:#EDF2F9;
  padding-top:20px;
}

@keyframes faqIn{
  from{opacity:0;transform:translateY(-6px);}
  to{opacity:1;transform:translateY(0);}
}

/* ---------- 行动横幅 ---------- */
.cta-banner{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  padding:68px 60px;
  background:
    radial-gradient(600px 320px at 88% 0%, rgba(200,162,74,.28), transparent 62%),
    linear-gradient(120deg,#0A2342 0%,#123A6B 52%,#0A2342 100%);
  color:#FFFFFF;
  box-shadow:0 32px 70px rgba(10,35,66,.28);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:36px;
}

.cta-banner::before{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-140px;
  top:-170px;
  border-radius:50%;
  border:1px solid rgba(228,199,126,.34);
  box-shadow:0 0 0 34px rgba(228,199,126,.06), 0 0 0 68px rgba(228,199,126,.03);
  pointer-events:none;
}

.cta-banner::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  pointer-events:none;
}

.cta-banner h2{
  position:relative;
  z-index:2;
  color:#FFFFFF;
  font-size:clamp(24px,2.9vw,36px);
  line-height:1.34;
  letter-spacing:-.7px;
  margin:0 0 14px;
  max-width:660px;
}

.cta-banner p{
  position:relative;
  z-index:2;
  color:rgba(232,240,250,.82);
  font-size:15.5px;
  line-height:1.95;
  margin:0;
  max-width:560px;
}

.cta-banner .btn{
  position:relative;
  z-index:2;
}

.cta-banner .btn-primary{
  background:linear-gradient(135deg,#E9D293,#C8A24A 60%,#B08B32 100%);
  color:#0A2342;
  box-shadow:0 16px 34px rgba(200,162,74,.34);
}

.cta-banner .btn-primary:hover{
  color:#0A2342;
  background:linear-gradient(135deg,#F3E2B4,#D6B45F 60%,#BE9740 100%);
  box-shadow:0 22px 44px rgba(200,162,74,.44);
}

.cta-banner .btn-outline{
  background:rgba(255,255,255,.06);
  color:#FFFFFF;
  border-color:rgba(228,199,126,.55);
}

.cta-banner .btn-outline:hover{
  background:rgba(228,199,126,.14);
  color:#FFFFFF;
  border-color:var(--gold-light);
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:0;
  padding:76px 0 0;
  background:linear-gradient(180deg,#FFFFFF 0%,#EEF3FA 100%);
  border-top:1px solid var(--line);
}

.site-footer::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:3px;
  background:linear-gradient(90deg,transparent 0%,rgba(200,162,74,.85) 50%,transparent 100%);
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.25fr;
  gap:46px;
  padding-bottom:58px;
}

.footer-brand{
  max-width:340px;
}

.footer-brand .logo{
  margin-bottom:20px;
}

.footer-brand p{
  font-size:14.5px;
  line-height:2;
  color:#5A6E88;
  margin:0 0 20px;
}

.footer-brand .footer-contact{
  display:flex;
  flex-direction:column;
  gap:9px;
  font-size:14px;
  color:#415572;
}

.footer-brand .footer-contact span{
  display:flex;
  align-items:center;
  gap:9px;
}

.footer-brand .footer-contact span::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--gold);
  flex:0 0 auto;
}

.footer-col h4{
  font-size:15px;
  font-weight:700;
  letter-spacing:1.2px;
  color:var(--navy-900);
  margin:0 0 22px;
  padding-bottom:12px;
  position:relative;
}

.footer-col h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:28px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),rgba(200,162,74,.15));
}

.footer-col ul{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.footer-col ul li a{
  display:inline-block;
  font-size:14.3px;
  color:#546981;
  line-height:1.7;
  padding-left:0;
  transition:color .3s var(--ease),padding-left .3s var(--ease);
}

.footer-col ul li a:hover{
  color:var(--gold-deep);
  padding-left:6px;
}

.footer-col p{
  font-size:14.3px;
  line-height:2;
  color:#546981;
  margin:0 0 14px;
}

.footer-bottom{
  border-top:1px solid #DEE8F4;
  padding:24px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  font-size:13.5px;
  color:#6D8099;
  letter-spacing:.3px;
}

.footer-bottom a{
  color:#546981;
  margin-left:18px;
  transition:color .3s var(--ease);
}

.footer-bottom a:hover{color:var(--gold-deep);}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero .container{
    grid-template-columns:1fr;
    gap:48px;
  }

  .hero-content{max-width:none;}

  .hero-image,
  .hero-image img{min-height:340px;}

  .feature-block{
    grid-template-columns:1fr;
    gap:44px;
  }

  .feature-text{max-width:none;}

  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:40px;
  }

  .footer-brand{max-width:none;}
}

@media (max-width:900px){
  .section{padding:76px 0;}

  .menu-toggle{display:inline-flex;}

  .main-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:16px 24px 24px;
    background:#FFFFFF;
    border-bottom:1px solid var(--line);
    box-shadow:0 22px 40px rgba(11,42,82,.12);
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s var(--ease);
    pointer-events:none;
  }

  .main-nav.open,
  .main-nav.active,
  .main-nav.is-open,
  .site-header.nav-open .main-nav{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
    pointer-events:auto;
  }

  .main-nav a{
    padding:13px 14px;
    font-size:15.5px;
    border-radius:10px;
    border-bottom:1px solid #F0F4FA;
  }

  .main-nav a::after{display:none;}
  .main-nav a:hover{background:#F4F8FD;padding-left:20px;}

  .nav-cta{
    margin:12px 0 0;
    justify-content:center;
    padding:14px 22px;
  }

  .stats-bar{grid-template-columns:1fr 1fr;}

  .stat-item{padding:36px 20px;}

  .stat-item + .stat-item::before{display:none;}

  .stat-item:nth-child(even)::before{
    content:"";
    display:block;
    position:absolute;
    left:0;
    top:22%;
    bottom:22%;
    width:1px;
    background:linear-gradient(180deg,transparent,#C8D8EA,transparent);
  }

  .stat-item:nth-child(n+3){border-top:1px solid rgba(220,231,245,.9);}

  .cta-banner{padding:52px 36px;}
}

@media (max-width:640px){
  .container{padding:0 18px;}
  .header-inner{padding:12px 18px;}

  .section{padding:60px 0;}

  .hero{padding:64px 0 72px;}

  .hero-content h1{letter-spacing:-1px;}

  .hero-content p{font-size:15.5px;}

  .hero-buttons{gap:12px;}

  .btn{
    width:100%;
    padding:14px 24px;
  }

  .hero-buttons .btn{width:100%;}

  .cards-grid,
  .content-wall{gap:18px;margin-top:36px;}

  .category-card{padding:30px 24px 26px;}

  .faq-list{margin-top:34px;}

  .faq-question{
    padding:18px 52px 18px 20px;
    font-size:15px;
    gap:12px;
  }

  .faq-question::after{right:20px;}

  .faq-answer{padding:0 20px 22px 20px;font-size:14.3px;}

  .faq-item.active .faq-answer,
  .faq-item.open .faq-answer,
  .faq-item.is-open .faq-answer{padding-top:16px;}

  .cta-banner{
    padding:42px 24px;
    border-radius:18px;
    gap:26px;
  }

  .cta-banner .btn{width:100%;}

  .stats-bar{border-radius:16px;}

  .stat-item{padding:30px 14px;}

  .stat-label{font-size:12px;letter-spacing:1.2px;}

  .seo-description{
    padding:20px 20px;
    font-size:13.8px;
    text-align:left;
  }

  .footer-grid{
    grid-template-columns:1fr;
    gap:34px;
    padding-bottom:40px;
  }

  .site-footer{padding-top:56px;}

  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    padding:22px 0 26px;
  }

  .footer-bottom a{margin-left:0;margin-right:14px;}

  .feature-image,
  .feature-image img{min-height:280px;}

  .hero-image,
  .hero-image img{min-height:260px;}
}

@media (max-width:400px){
  .hero-content h1{font-size:28px;}
  .section-title{font-size:23px;}
  .logo{font-size:16px;}
  .logo-icon{width:40px;height:40px;font-size:15px;}
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}