@charset "UTF-8";

/* ================= 0. 全局重置 ================= */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: none; }

html { overflow-x: hidden; height: 100%; }

body { 
    margin: 0; padding: 0; 
    font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; 
    line-height: 1.6; font-size: 14px; 
    width: 100%; min-width: 1200px; 
    overflow-x: hidden; color: #333; position: relative;
    
    /* 1. 基础背景：回归白灰柔和渐变 (无网格) */
    background: linear-gradient(180deg, #ffffff 0%, #f1f3f6 100%);
    background-attachment: fixed; 
}

/* ================= ★ 背景层1：静态大几何 (视觉锚点) ★ ================= */
/* 左上角：极淡的大圆环 */
body::before {
    content: ''; position: fixed; top: -150px; left: -150px; 
    width: 800px; height: 800px;
    border: 60px solid rgba(0, 0, 0, 0.015); /* 极淡的边框 */
    border-radius: 50%;
    z-index: -2; pointer-events: none;
    transform: translate3d(0,0,0);
}

/* 右下角：实心大三角/切角 */
body::after {
    content: ''; position: fixed; bottom: 0; right: 0; 
    width: 600px; height: 600px;
    background: linear-gradient(135deg, transparent 50%, rgba(0, 102, 255, 0.02) 50%);
    z-index: -2; pointer-events: none;
    transform: translate3d(0,0,0);
}

/* ================= ★ 背景层2：动态悬浮元素 (Floating Shapes) ★ ================= */
.bg-anim-layer {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1; pointer-events: none; overflow: hidden;
}

/* 动态元素通用 */
.anim-shape { position: absolute; opacity: 0.6; }

/* 形状1：旋转的虚线圆 (左侧) */
.as-circle-dashed {
    top: 15%; left: 5%; width: 100px; height: 100px;
    border: 2px dashed rgba(0, 102, 255, 0.15);
    border-radius: 50%;
    animation: spinSlow 30s linear infinite;
}

/* 形状2：漂浮的实心三角 (右侧) */
.as-triangle-float {
    top: 25%; right: 8%; width: 0; height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-bottom: 35px solid rgba(43, 127, 255, 0.1);
    filter: blur(1px);
    animation: floatUp 10s ease-in-out infinite alternate;
}

/* 形状3：游动的正方形 (左下) */
.as-square-move {
    bottom: 20%; left: 8%; width: 60px; height: 60px;
    background: rgba(0,0,0,0.02);
    transform: rotate(45deg);
    animation: drift 20s ease-in-out infinite alternate;
}

/* 形状4：波浪线/装饰点 (右下) */
.as-dots {
    bottom: 15%; right: 15%; width: 100px; height: 80px;
    background-image: radial-gradient(rgba(0,102,255,0.1) 2px, transparent 2px);
    background-size: 15px 15px;
    animation: breathe 8s ease-in-out infinite alternate;
}

/* 动画定义 */
@keyframes spinSlow { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes floatUp { 0% { transform: translateY(0) rotate(0deg); } 100% { transform: translateY(-30px) rotate(10deg); } }
@keyframes drift { 0% { transform: translate(0,0) rotate(45deg); } 100% { transform: translate(40px, -20px) rotate(60deg); } }
@keyframes breathe { 0% { transform: scale(1); opacity: 0.4; } 100% { transform: scale(1.1); opacity: 0.8; } }


/* ================= 通用样式 ================= */
a { text-decoration: none; color: inherit; transition: all 0.2s ease; }
ul, li { list-style: none; padding: 0; margin: 0; }
img { max-width: 100%; display: block; border: 0; }

.container, .header-inner { 
    max-width: 1380px; margin: 0 auto; padding: 0 20px; width: 100%; position: relative; 
}

section { padding: 80px 0; width: 100%; display: block; overflow: hidden; background: transparent !important; } 
.sec-header { text-align: center; margin-bottom: 50px; position: relative; z-index: 2; }
.sec-title { font-size: 32px; font-weight: 800; color: #111; margin-bottom: 12px; letter-spacing: -0.5px; }
.sec-desc { font-size: 15px; color: #666; max-width: 700px; margin: 0 auto; line-height: 1.6; }

/* ================= 1. Header ================= */
header { 
    position: fixed; top: 0; left: 0; right: 0; z-index: 999; 
    height: 80px; 
    background: rgba(255, 255, 255, 0.92); 
    backdrop-filter: blur(12px); 
    box-shadow: 0 1px 0 rgba(0,0,0,0.06); 
    width: 100%; min-width: 1200px;
}
.header-inner { height: 100%; display: flex; justify-content: space-between; align-items: center; }
.header-left { display: flex; align-items: center; flex: 1; }
.logo { display: flex; align-items: center; height: 100%; margin-right: 40px; flex-shrink: 0; }
.logo img { height: 42px; width: auto; }

.top-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.top-nav a { 
    font-size: 15px; font-weight: 500; color: #333; 
    height: 80px; line-height: 80px; 
    padding: 0 5px; margin: 0 5px;
    transition: all 0.3s ease; position: relative; 
}
.top-nav a:hover { color: #0066ff; }
.top-nav a::after { 
    content: ''; position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%) scaleX(0); 
    height: 3px; width: 50px; border-radius: 10px; 
    background-color: #0066ff; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
}
.top-nav a.active { color: #0066ff; font-weight: 600; }
.top-nav a.active::after, .top-nav a:hover::after { transform: translateX(-50%) scaleX(1); opacity: 1; }

.header-right { height: 100%; display: flex; align-items: center; margin-left: 30px; flex-shrink: 0; }
.nav-btn-group { display: flex; align-items: center; gap: 12px; }
.nav-btn {
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50px; font-size: 14px; font-weight: 500; text-decoration: none;
    height: 38px; padding: 0 24px; white-space: nowrap; transition: all 0.2s ease;
}
.btn-login-outline { background: transparent; border: 1px solid #2b7fff; color: #2b7fff; }
.btn-login-outline:hover { background: #f0f7ff; transform: translateY(-1px); }
.btn-register { background: #2b7fff; border: 1px solid #2b7fff; color: #fff; box-shadow: 0 4px 12px rgba(43, 127, 255, 0.25); }
.btn-register:hover { background: #1a6dff; border-color: #1a6dff; transform: translateY(-1px); box-shadow: 0 6px 15px rgba(43, 127, 255, 0.35); }
.btn-order { background: #2b7fff; border: 1px solid #2b7fff; color: #fff; padding: 0 26px; box-shadow: 0 4px 12px rgba(43, 127, 255, 0.25); display: flex; align-items: center; gap: 6px; }
.btn-order svg { width: 15px; height: 15px; stroke-width: 2.5; }
.btn-order:hover { background: #1a6dff; border-color: #1a6dff; transform: translateY(-1px); box-shadow: 0 6px 15px rgba(43, 127, 255, 0.35); }

/* ================= 2. Banner ================= */
.banner-wrap { 
    margin-top: 80px; width: 100%; height: 550px; 
    position: relative; background: #fff; 
    display: block; overflow: hidden; z-index: 5;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03); 
}
.banner-list { display: flex; width: 100%; height: 100%; transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); will-change: transform; }
.banner-item { width: 100%; height: 100%; position: relative; flex-shrink: 0; overflow: hidden; }
.banner-item img { width: 100%; height: 100%; object-fit: cover; }
.banner-content { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: 1380px; padding: 0 20px; height: 100%; display: flex; align-items: center; pointer-events: none; z-index: 10; }
.banner-text-box { max-width: 580px; pointer-events: auto; position: relative; z-index: 20; }
.banner-text-box h2, .banner-text-box p, .banner-indicators-bar, .banner-text-box .banner-btn { opacity: 1; transform: translateY(0); transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); }

.banner-item:not(.active) .banner-text-box h2, 
.banner-item:not(.active) .banner-text-box p, 
.banner-item:not(.active) .banner-indicators-bar,
.banner-item:not(.active) .banner-text-box .banner-btn { opacity: 0; transform: translateY(30px); transition: none; }

.banner-item.active .banner-text-box h2 { transition-delay: 0.3s; }
.banner-item.active .banner-text-box p { transition-delay: 0.5s; }
.banner-item.active .banner-text-box .banner-btn { transition-delay: 0.7s; } 
.banner-item.active .banner-indicators-bar { transition-delay: 0.9s; } 

.banner-text-box h2 { font-size: 48px; color: #111; margin-bottom: 20px; font-weight: 800; letter-spacing: -1px; }
.banner-text-box p { font-size: 16px; color: #555; margin-bottom: 50px; } 
.banner-indicators-bar { display: flex; gap: 12px; margin-top: 50px; }

.b-indicator-item { width: 40px; height: 4px; background: #dcdcdc; border-radius: 4px; cursor: pointer; transition: 0.3s; }
.b-indicator-item:hover { background: #bbb; }
.b-indicator-item.active { background: #0066ff; width: 40px; }
.banner-btn { display: inline-block; padding: 12px 38px; background: #0066ff; color: #fff; border-radius: 50px; font-size: 16px; font-weight: 600; box-shadow: 0 8px 20px rgba(0, 102, 255, 0.3); }

/* ================= 3. Notice (玻璃拟态) ================= */
.notice-section { padding-top: 40px; padding-bottom: 60px; margin-top: 0; border-bottom: 1px solid rgba(0,0,0,0.02); z-index: 10; }
.notice-box { 
    position: relative; z-index: 2; 
    background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    border-radius: 16px; box-shadow: 0 15px 40px rgba(0, 0, 0, 0.03); border: 1px solid rgba(255, 255, 255, 0.8); 
    padding: 30px; width: 100%; 
}
.notice-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(0,0,0,0.05); padding-bottom: 20px; margin-bottom: 25px; }
.notice-tabs { display: flex; gap: 30px; }
.n-tab { display: flex; align-items: center; font-size: 16px; font-weight: 500; color: #666; cursor: pointer; padding-bottom: 12px; position: relative; transition: all 0.3s; }
.n-tab.active { color: #0066ff; font-weight: 700; }
.n-tab.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); height: 3px; width: 30px; background: #0066ff; border-radius: 3px; }
.n-tab-icon { height: 22px; width: auto; margin-right: 8px; display: none; }
.n-tab.active .n-tab-icon { display: block; animation: fadeInIcon 0.3s ease-out; }
.notice-more { color: #666; background: rgba(0,0,0,0.03); padding: 6px 16px; border-radius: 20px; font-size: 12px; transition: 0.2s; font-weight: 500; }
.notice-more:hover { background: #0066ff; color: #fff; }
.notice-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; width: 100%; }
#notice-grid-1 { display: none; }
.notice-card { 
    display: flex; align-items: center; 
    background: rgba(255,255,255,0.9); border-radius: 12px; 
    padding: 0 20px; border: 1px solid rgba(0,0,0,0.03); height: 100px; 
    transition: all 0.3s ease; width: 100%; overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,0.01);
}
.notice-card:hover { transform: translateY(-5px); background: #fff; border-color: rgba(0,102,255,0.3); box-shadow: 0 10px 30px rgba(0,102,255,0.12); }
.n-icon { width: 40px; height: 40px; background: #f0f7ff; color: #0066ff; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-right: 15px; flex-shrink: 0; font-size: 14px; transition: 0.3s; }
.notice-card:hover .n-icon { background: #0066ff; color: #fff; }
.n-text-wrap { flex: 1; overflow: hidden; min-width: 0; display: flex; flex-direction: column; justify-content: center; height: 100%; }
.n-title-row { display: flex; align-items: center; width: 100%; margin-bottom: 6px; }
.n-title-text { font-weight: 700; color: #333; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; flex: 1; transition: 0.3s; }
.notice-card:hover .n-title-text { color: #0066ff; }
.n-tag-new { display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #ff4757, #ff6b81); color: #fff; font-size: 10px; padding: 2px 6px; border-radius: 4px; margin-left: 8px; flex-shrink: 0; line-height: 1; font-weight: 700; box-shadow: 0 2px 5px rgba(255, 71, 87, 0.2); height: 18px; }
.n-desc { font-size: 13px; color: #888; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; }

/* ================= 4. 平台优势 ================= */
.feature-section { border-top: 1px solid rgba(0,0,0,0.03); border-bottom: 1px solid rgba(0,0,0,0.03); }
.feature-wrapper { display: flex; align-items: center; justify-content: space-between; gap: 50px; width: 100%; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; width: 100%; }
.feature-card { background: rgba(255,255,255,0.8); backdrop-filter: blur(10px); border-radius: 16px; border: 1px solid rgba(255,255,255,0.6); padding: 0; text-align: left; transition: all 0.3s ease; box-shadow: 0 10px 30px rgba(0,0,0,0.03); overflow: hidden; }
.feature-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0, 102, 255, 0.1); border-color: #eef6ff; background: #fff; }
.f-img-box { height: 220px; width: 100%; display: block; margin: 0; background: #f4f8fb; border-radius: 0; }
.f-img-box img { width: 100%; height: 100%; object-fit: cover; transition: 0.4s; }
.feature-card:hover .f-img-box img { transform: scale(1.05); }
.feature-card h3 { font-size: 18px; font-weight: 800; color: #111; margin: 25px 25px 10px; }
.feature-card p { font-size: 14px; color: #666; margin: 0 25px 35px; line-height: 1.6; text-align: justify; }

/* ================= 5. 业务类型 ================= */
.scene-section { padding-top: 20px; }
.scene-box { background: rgba(255,255,255,0.85); border-radius: 16px; box-shadow: 0 15px 40px rgba(0,0,0,0.05); display: flex; overflow: hidden; width: 100%; margin-top: 30px; border: 1px solid rgba(255,255,255,1); }
.scene-menu { width: 240px; background: rgba(251, 253, 255, 0.8); border-right: 1px solid rgba(0,0,0,0.03); padding: 20px 15px; flex-shrink: 0; display: flex; flex-direction: column; gap: 8px; }
.s-item { padding: 12px 16px; cursor: pointer; display: flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 500; color: #666; border-radius: 8px; transition: all 0.2s; }
.s-item:hover { background: rgba(240, 245, 255, 0.8); }
.s-item.active { background: #fff; font-weight: 700; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.s-item-icon { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; transition: 0.3s; color: #999; }
.s-item-icon svg { width: 20px; height: 20px; fill: currentColor; }
.scene-menu .s-item:nth-child(1) .s-item-icon { color: #ff6b6b; } 
.scene-menu .s-item:nth-child(1).active { color: #ff6b6b; }
.scene-menu .s-item:nth-child(2) .s-item-icon { color: #48dbfb; } 
.scene-menu .s-item:nth-child(2).active { color: #48dbfb; }
.scene-menu .s-item:nth-child(3) .s-item-icon { color: #1dd1a1; } 
.scene-menu .s-item:nth-child(3).active { color: #1dd1a1; }
.scene-menu .s-item:nth-child(4) .s-item-icon { color: #feca57; } 
.scene-menu .s-item:nth-child(4).active { color: #feca57; }
.scene-content { flex: 1; padding: 25px 35px; background: transparent; }
.scene-panel { display: none; width: 100%; justify-content: space-between; align-items: flex-start; gap: 30px; animation: fadeIn 0.4s ease-out; }
.scene-panel.active { display: flex; }
.panel-text { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 60px; padding: 40px 0; min-height: 300px; }
.case-item { margin-bottom: 20px; }
.case-header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.case-tag { background: #eef6ff; color: #0066ff; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.case-title { font-size: 16px; font-weight: 700; color: #222; }
.case-desc { font-size: 13px; color: #777; line-height: 1.6; text-align: justify; }
.panel-img { width: 200px; height: 240px; border-radius: 12px; overflow: hidden; flex-shrink: 0; box-shadow: 0 10px 40px rgba(0,0,0,0.08); background: #f5f5f5; margin-top: 50px; margin-left: -40px; position: relative; z-index: 1; }
.panel-img img { width: 100%; height: 100%; object-fit: cover; }

/* ================= 6. 入驻流程 ================= */
.process-section { text-align: center; border-top: 1px solid rgba(0,0,0,0.03); border-bottom: 1px solid rgba(0,0,0,0.03); }
.process-wrapper { display: flex; justify-content: space-between; position: relative; margin: 0 30px; width: 100%; }
.process-line { position: absolute; top: 44px; left: 0; right: 0; height: 2px; background: rgba(224, 229, 236, 0.6); z-index: 0; }
.process-step { position: relative; z-index: 1; width: 100px; display: flex; flex-direction: column; align-items: center; }
.p-num { font-size: 12px; color: #999; margin-bottom: 15px; background: #fff; padding: 0 10px; font-weight: 600; border-radius: 20px; border: 1px solid #f0f0f0; }
.p-icon-box { width: 88px; height: 88px; background: rgba(255,255,255,0.8); backdrop-filter: blur(5px); border-radius: 50%; border: 2px solid #eff2f5; display: flex; align-items: center; justify-content: center; margin-bottom: 15px; transition: 0.3s; color: #0066ff; }
.p-icon-box svg { width: 36px; height: 36px; fill: currentColor; transition: 0.3s; }
.process-step:hover .p-icon-box { transform: scale(1.2) translateY(-5px); border-color: #0066ff; background: #fff; box-shadow: 0 10px 30px rgba(0, 102, 255, 0.2); }
.process-step:hover .p-num { color: #0066ff; border-color: #0066ff; }
.p-text { font-size: 14px; font-weight: 700; color: #333; }

/* ================= 7. 解决痛点 ================= */
.solution-section { }
.sol-header { text-align: center; margin-bottom: 50px; }
.sol-header h2 { font-size: 32px; font-weight: 800; color: #111; margin-bottom: 10px; }
.sol-header p { font-size: 15px; color: #666; }
.solution-body { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; width: 100%; }
.sol-left { width: 260px; flex-shrink: 0; padding-top: 10px; }
.sol-left h3 { font-size: 24px; font-weight: 800; color: #111; margin-bottom: 15px; line-height: 1.3; }
.sol-left p { font-size: 14px; color: #666; margin-bottom: 25px; line-height: 1.8; text-align: justify; }
.sol-btn { display: inline-block; padding: 12px 35px; background: #0066ff; color: #fff; border-radius: 6px; font-size: 14px; font-weight: 600; transition: 0.2s; box-shadow: 0 8px 20px rgba(0, 102, 255, 0.2); }
.sol-btn:hover { background: #005ce6; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 102, 255, 0.3); }
.sol-right { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sol-card-new { background: rgba(255,255,255,0.85); backdrop-filter: blur(10px); border-radius: 12px; border: 1px solid rgba(255,255,255,0.6); padding: 30px 20px 160px; text-align: center; transition: 0.3s; box-shadow: 0 5px 20px rgba(0,0,0,0.02); position: relative; overflow: hidden; height: 100%; min-height: 340px; display: flex; flex-direction: column; align-items: center; }
.sol-card-new:hover { transform: translateY(-8px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); border-color: #eef6ff; background: #fff; }
.sol-content-wrap { position: relative; z-index: 2; width: 100%; }
.sol-icon-new { width: 50px; height: 50px; background: #2b7fff; border-radius: 50%; margin: 0 auto 15px; display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: 0 5px 15px rgba(43, 127, 255, 0.3); }
.sol-icon-new img { width: 24px; filter: brightness(0) invert(1); }
.sol-card-new h4 { font-size: 16px; font-weight: 800; color: #111; margin-bottom: 8px; }
.sol-card-new p { font-size: 12px; color: #777; line-height: 1.6; }
.sol-img-bottom-new { position: absolute; bottom: 0; left: 0; right: 0; width: 100%; height: 150px; display: flex; align-items: flex-end; justify-content: center; z-index: 1; }
.sol-img-bottom-new img { width: 100%; height: auto; display: block; transition: 0.3s; }
.sol-card-new:hover .sol-img-bottom-new img { transform: scale(1.03); }

/* ================= 8. 极致平台 ================= */
.ultimate-section { background: transparent !important; position: relative; overflow: hidden; }
.ultimate-wrapper { display: flex; gap: 60px; width: 100%; align-items: flex-start; position: relative; z-index: 2; }
.ultimate-nav { width: 340px; flex-shrink: 0; position: sticky; top: 100px; }
.ultimate-nav .sec-header { text-align: left !important; margin-bottom: 30px; }
.u-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 25px; }
.u-tab-item { padding: 20px 10px; text-align: center; border: 1px solid rgba(255,255,255,0.6); border-radius: 12px; cursor: pointer; font-size: 14px; color: #555; font-weight: 500; transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); background: rgba(255,255,255,0.6); backdrop-filter: blur(5px); box-shadow: 0 4px 10px rgba(0,0,0,0.02); }
.u-tab-item:hover { transform: translateY(-3px); background-color: #fff; color: #333; box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05); }
.u-tab-item.active { background: #0066ff; color: #fff; border-color: #0066ff; box-shadow: 0 10px 25px rgba(0, 102, 255, 0.25); transform: translateX(10px); font-weight: 700; }
.ultimate-content { flex: 1; min-height: 420px; position: relative; }
.u-pane { display: none; background: rgba(255,255,255,0.85); backdrop-filter: blur(15px); border-radius: 16px; padding: 50px 40px; box-shadow: 0 20px 60px rgba(0, 50, 100, 0.08), 0 5px 15px rgba(0,0,0,0.02); border: 1px solid rgba(255,255,255,0.8); flex-direction: column; justify-content: center; opacity: 0; transition: opacity 0.4s ease-in-out; }
.u-pane.active { display: block; opacity: 1; animation: fadeInPane 0.5s ease-out; }
.u-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.u-feature-item { position: relative; padding-top: 10px; }
.u-f-icon { font-size: 60px; font-weight: 800; color: #f0f5ff; position: absolute; top: -35px; left: 0; z-index: 0; line-height: 1; user-select: none; }
.u-feature-item h3 { position: relative; z-index: 1; font-size: 18px; font-weight: 700; color: #333; margin-bottom: 12px; }
.u-feature-item p { position: relative; z-index: 1; font-size: 14px; color: #666; line-height: 1.6; }
.u-action-row { text-align: center; margin-top: 20px; padding-top: 20px; border-top: 1px solid #f5f5f5; }
.u-btn { display: inline-block; padding: 12px 50px; background: #0066ff; color: #fff; border-radius: 50px; font-size: 15px; font-weight: 500; text-decoration: none; transition: all 0.3s; box-shadow: 0 5px 15px rgba(0,102,255,0.3); }
.u-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,102,255,0.4); background: #005ce6; }

/* ================= 9. 数据统计 ================= */
.data-section { }
.data-card { background: linear-gradient(120deg, rgba(249, 252, 255, 0.9) 0%, rgba(255,255,255,0.95) 50%, rgba(249, 252, 255, 0.9) 100%); backdrop-filter: blur(10px); border-radius: 16px; border: 1px solid #eef6ff; padding: 50px 0; display: flex; justify-content: space-around; align-items: center; position: relative; overflow: hidden; box-shadow: 0 20px 50px rgba(0, 102, 255, 0.06); width: 100%; }
.data-item { text-align: center; z-index: 2; min-width: 200px; }
.data-num { font-size: 36px; font-weight: 800; color: #0066ff; margin-bottom: 5px; letter-spacing: -1px; }
.data-label { font-size: 14px; color: #666; }
.data-decor { position: absolute; width: 100px; opacity: 0.4; z-index: 1; filter: blur(3px); }

/* ================= 10. 安全 & 伙伴 ================= */
.safety-section { text-align: center; border-top: 1px solid rgba(0,0,0,0.03); }
.safety-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; width: 100%; margin-top: 80px; }
.safety-card { background: rgba(255,255,255,0.8); backdrop-filter: blur(5px); border-radius: 16px; padding: 0 20px 40px; transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); box-shadow: 0 10px 40px rgba(0,0,0,0.05); border: none; position: relative; overflow: visible; margin-top: 60px; }
.safety-card:hover { transform: translateY(-10px); box-shadow: 0 20px 60px rgba(78, 141, 245, 0.15); background: #fff; }
.safe-icon { width: 120px; height: 120px; margin: -60px auto 25px; display: flex; align-items: center; justify-content: center; }
.safe-icon img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 20px 30px rgba(78, 141, 245, 0.3)); transition: 0.4s; }
.safety-card:hover .safe-icon img { transform: scale(1.1) rotate(5deg); }
.safety-card h4 { font-size: 17px; font-weight: 800; color: #111; margin: 0; }
.partner-section { padding: 100px 0 40px; text-align: center; }
.partner-title { font-size: 18px; color: #333; font-weight: 800; margin-bottom: 50px; }
.partner-grid { display: flex; justify-content: center; gap: 30px; flex-wrap: nowrap; width: 100%; max-width: 1200px; margin: 0 auto; align-items: center; }
.p-logo { height: 85px; width: auto; max-width: 200px; object-fit: contain; flex-shrink: 1; filter: none; opacity: 1; transition: all 0.4s ease; cursor: pointer; }
.p-logo:hover { transform: scale(1.1); }

/* ================= 11. ★★★ 强力 CTA (Bottom Join Us) - 升级版 ★★★ ================= */
.cta-section { 
    margin-top: 0; padding: 120px 0; text-align: center;
    /* 强力渐变背景 - 确保不透明 */
    background: linear-gradient(135deg, #1a2b4b 0%, #2b7fff 100%);
    color: #fff; 
    position: relative; overflow: hidden;
}
/* CTA 背景装饰 */
.cta-section::before {
    content: ''; position: absolute; top: -50px; left: -50px; width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%; pointer-events: none;
}
.cta-section::after {
    content: ''; position: absolute; bottom: -50px; right: -50px; width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%; pointer-events: none;
}
.cta-text { 
    color: #fff; /* 文字改白 */
    font-size: 32px; font-weight: 800; margin-bottom: 40px; 
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    position: relative; z-index: 2;
}
.cta-btn { 
    background: #fff; color: #0066ff; /* 按钮反白 */
    padding: 18px 60px; border-radius: 50px; font-weight: 700; font-size: 18px; 
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); 
    transition: all 0.3s ease; position: relative; z-index: 2; display: inline-block;
}
.cta-btn:hover { 
    background: #f0f7ff; transform: translateY(-5px); 
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3); 
}

/* Footer & Side Bar (保持不变) */
footer { background: #0d111a; padding: 60px 0 30px; color: #a1a7b5; font-size: 15px; }
.footer-top { display: flex; justify-content: space-between; padding-bottom: 60px; border-bottom: none; margin-bottom: 20px; align-items: flex-start; }
.f-left { width: 320px; }
.f-logo { height: 36px; margin-bottom: 25px; filter: none; opacity: 1; }
.f-contact-list { display: flex; flex-direction: column; gap: 12px; }
.fc-item { display: flex; align-items: baseline; font-size: 15px; line-height: 1.8; color: #a0a4b0; }
.fc-label { color: #7b7f8a; white-space: nowrap; margin-right: 4px; font-weight: normal; }
.f-links { flex: 1; display: flex; justify-content: space-around; margin: 0 60px; }
.f-links dl { margin: 0; text-align: left; }
.f-links dt { color: #fff; font-size: 17px; font-weight: 700; margin-bottom: 20px; }
.f-links dd { margin: 0 0 12px 0; }
.f-links a { color: #a0a4b0; transition: 0.2s; font-size: 15px; }
.f-links a:hover { color: #fff; }
.f-right { text-align: center; margin-top: 10px; }
.f-qr { width: 110px; height: 110px; background: #fff; padding: 8px; border-radius: 4px; margin-bottom: 15px; }
.f-qr img { width: 100%; height: 100%; }
.f-qr-btn { background: #4e8df5; color: #fff; padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; }
.footer-bottom-wrap { text-align: center; border-top: none; padding-top: 10px; font-size: 15px; color: #737785; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.fb-tech { border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 20px; margin-bottom: 15px; width: 100%; font-weight: normal; color: #737785; }
.tech-label { color: #ffffff; font-weight: 700; opacity: 1; margin-right: 6px; font-size: 14px; }
.fb-tech a { color: #737785; margin: 0 4px; font-weight: 400; transition: color 0.3s ease; }
.fb-tech a:hover { color: #2b7fff; text-decoration: underline; }
.fb-copyright { color: #666; font-weight: 400; font-size: 13px; margin-bottom: 2px; padding-bottom: 0; opacity: 0.7; }
.fb-license-row { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 20px; margin-top: 2px; padding-top: 0; font-weight: 600; color: #b0b4c0; font-size: 14px; opacity: 0.8; }
.fb-license-item { display: flex; align-items: center; color: #737785; text-decoration: none; transition: color 0.3s; }
.fb-license-item:hover { color: #a0a4b0; }
.auth-icon { width: 20px; height: 20px; margin-right: 8px; vertical-align: middle; filter: none; opacity: 1; }
.side-bar { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 1000; width: 64px; background: #fff; border-top-left-radius: 8px; border-bottom-left-radius: 8px; box-shadow: -2px 0 15px rgba(0,0,0,0.08); display: flex; flex-direction: column; padding: 10px 0; gap: 0; }
.side-item { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 12px 0; cursor: pointer; position: relative; transition: 0.2s; color: #333; height: 70px; border-bottom: 1px solid #f5f5f5; }
.side-item:last-child { border-bottom: none; }
.side-item:hover { background: #f9faff; }
.side-item:hover .side-text { color: #0066ff; }
.side-item:hover .side-icon svg { fill: #0066ff; }
.side-icon svg { width: 26px; height: 26px; fill: #2b7fff; margin-bottom: 6px; transition: 0.2s; }
.side-text { font-size: 11px; color: #555; transition: 0.2s; }
.side-popup { position: absolute; right: 70px; top: 50%; background: #fff; padding: 25px; border-radius: 8px; box-shadow: -5px 5px 30px rgba(0,0,0,0.1); width: 220px; opacity: 0; visibility: hidden; transform: translateY(-50%) translateX(10px); transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); pointer-events: none; z-index: 1001; margin-top: 0; backface-visibility: hidden; }
.side-item:hover .side-popup { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); pointer-events: auto; }
.side-popup::after { content: ''; position: absolute; right: -6px; top: 50%; width: 12px; height: 12px; background: #fff; transform: translateY(-50%) rotate(45deg); box-shadow: 2px -2px 2px rgba(0,0,0,0.03); margin-top: 0; }
.rich-popup { width: 260px; padding: 20px 25px; }
.sp-row, .rp-row { display: flex; align-items: flex-start; margin-bottom: 15px; }
.rp-row { margin-bottom: 0; }
.sp-icon-box, .rp-icon { margin-right: 12px; padding-top: 2px; flex-shrink: 0; }
.sp-icon-box svg, .rp-icon svg { width: 28px; height: 28px; }
.rp-icon { width: 24px; height: 24px; margin-top: 2px; }
.rp-icon svg { width: 100%; height: 100%; }
.sp-info, .rp-text { flex: 1; text-align: left; }
.sp-label, .rp-label { font-size: 13px; color: #666; margin-bottom: 4px; }
.rp-label { display: flex; align-items: center; }
.rp-time { font-size: 12px; color: #999; margin-left: 6px; font-weight: normal; }
.sp-val, .rp-val { font-size: 16px; font-weight: 700; color: #333; }
.sp-divider, .rp-divider { height: 1px; background: #f0f0f0; margin: 15px 0; width: 100%; }
.sp-qr-area, .rp-qr-box { text-align: center; }
.sp-qr-title, .rp-qr-title { font-size: 13px; color: #666; margin-bottom: 12px; }
.sp-qr-img, .rp-qr-img { width: 120px; height: 120px; display: block; margin: 0 auto; border: 1px solid #eee; padding: 6px; border-radius: 4px; }
.sp-btn { display: block; background: #0066ff; color: #fff; text-align: center; padding: 8px 0; border-radius: 4px; font-size: 13px; margin-top: 10px; text-decoration: none; }
.sp-btn:hover { background: #005ce6; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideRightIn { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }