/* =========================
   全局基础样式
========================= */
*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
margin:0;
font-family:Arial,"Microsoft YaHei",sans-serif;
background:#0b0f1a;
color:#fff;
overflow-x:hidden;
}

a{
text-decoration:none;
color:inherit;
}

img{
max-width:100%;
display:block;
}

/* =========================
   顶部导航
========================= */
header{
display:flex;
justify-content:space-between;
align-items:center;
padding:16px 26px;
background:rgba(14,20,36,0.88);
backdrop-filter:blur(12px);
position:sticky;
top:0;
z-index:100;
border-bottom:1px solid rgba(212,175,55,0.18);
}

.logo{
color:#d4af37;
font-weight:900;
font-size:20px;
letter-spacing:1px;
white-space:nowrap;
}

nav{
display:flex;
align-items:center;
justify-content:center;
gap:16px;
flex-wrap:wrap;
}

nav a{
color:#fff;
font-size:14px;
opacity:.85;
transition:.3s;
white-space:nowrap;
}

nav a:hover{
opacity:1;
color:#d4af37;
}

/* =========================
   金色按钮
========================= */
.btn{
background:linear-gradient(90deg,#d4af37,#f5e6a8);
color:#000;
padding:11px 18px;
border-radius:9px;
font-weight:900;
display:inline-block;
transition:.3s;
cursor:pointer;
box-shadow:0 8px 24px rgba(212,175,55,.18);
}

.btn:hover{
transform:translateY(-2px);
box-shadow:0 10px 28px rgba(212,175,55,.28);
}

/* =========================
   HERO 主视觉
========================= */
.hero{
position:relative;
display:flex;
align-items:center;
height:90vh;
padding:0 8%;
overflow:hidden;
background:#0b0f1a;
}

.hero .text{
width:42%;
z-index:3;
}

.hero h1{
font-size:56px;
margin:0;
color:#d4af37;
line-height:1.15;
font-weight:900;
}

.hero h2{
font-size:22px;
margin:18px 0 0;
color:#f5e6a8;
line-height:1.5;
font-weight:800;
}

.hero p{
margin:16px 0 24px;
opacity:.86;
line-height:1.8;
font-size:16px;
color:#e9e9e9;
}

.hero img{
position:absolute;
right:0;
top:0;
width:66%;
height:100%;
object-fit:cover;
z-index:1;
}

.hero::before{
content:"";
position:absolute;
left:0;
top:0;
width:100%;
height:100%;
background:linear-gradient(
90deg,
#0b0f1a 34%,
rgba(11,15,26,.74) 48%,
rgba(11,15,26,.24) 72%,
rgba(11,15,26,0) 100%
);
z-index:2;
}

/* =========================
   核心栏目 / 功能卡片
========================= */
.grid{
display:grid;
grid-template-columns:repeat(5,1fr);
gap:18px;
padding:46px 8%;
background:linear-gradient(180deg,#0b0f1a,#08101d);
}

.card{
background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
padding:26px 18px;
border-radius:16px;
text-align:center;
border:1px solid rgba(212,175,55,.25);
transition:.3s;
cursor:pointer;
min-height:96px;
display:flex;
align-items:center;
justify-content:center;
font-weight:800;
color:#f5e6a8;
box-shadow:0 12px 30px rgba(0,0,0,.22);
}

.card a{
display:flex;
align-items:center;
justify-content:center;
width:100%;
height:100%;
}

.card:hover{
transform:translateY(-5px);
background:linear-gradient(180deg,rgba(212,175,55,.18),rgba(255,255,255,.04));
box-shadow:0 16px 36px rgba(0,0,0,.34);
}

/* =========================
   内容区
========================= */
section[style*="padding"]{
background:#0b0f1a;
border-top:1px solid rgba(255,255,255,.05);
}

section[style*="padding"] h2{
color:#d4af37;
font-size:28px;
margin-bottom:16px;
}

section[style*="padding"] p{
color:#d6d6d6;
line-height:1.9;
margin-bottom:10px;
}

/* =========================
   悬浮客服按钮
========================= */
.kefu{
position:fixed;
right:20px;
bottom:80px;
background:linear-gradient(90deg,#d4af37,#f5e6a8);
color:#000;
padding:15px 20px;
border-radius:50px;
font-weight:900;
box-shadow:0 12px 32px rgba(0,0,0,.45);
cursor:pointer;
z-index:999;
transition:.3s;
}

.kefu:hover{
transform:scale(1.06);
}

/* =========================
   底部
========================= */
footer{
background:#070b14;
border-top:1px solid rgba(212,175,55,.12);
}

/* =========================
   手机端适配
========================= */
@media(max-width:900px){

header{
padding:14px 16px;
align-items:flex-start;
gap:12px;
flex-wrap:wrap;
}

.logo{
font-size:18px;
}

nav{
order:3;
width:100%;
justify-content:flex-start;
gap:12px;
overflow-x:auto;
flex-wrap:nowrap;
padding-bottom:4px;
}

nav a{
font-size:13px;
}

header .btn{
padding:9px 13px;
font-size:13px;
}

.hero{
height:auto;
min-height:720px;
padding:80px 20px 30px;
display:block;
}

.hero::before{
background:linear-gradient(
180deg,
#0b0f1a 0%,
rgba(11,15,26,.92) 38%,
rgba(11,15,26,.45) 70%,
rgba(11,15,26,.12) 100%
);
}

.hero .text{
width:100%;
position:relative;
z-index:3;
}

.hero h1{
font-size:38px;
}

.hero h2{
font-size:18px;
}

.hero p{
font-size:15px;
}

.hero img{
position:absolute;
right:0;
top:260px;
width:100%;
height:460px;
object-fit:cover;
opacity:.9;
}

.grid{
grid-template-columns:repeat(2,1fr);
gap:14px;
padding:28px 18px;
}

.card{
min-height:82px;
padding:20px 12px;
font-size:14px;
}

.kefu{
right:14px;
bottom:70px;
padding:13px 16px;
font-size:14px;
}

section[style*="padding"]{
padding:30px 20px!important;
}
}