/* 主题变量 */
:root{
  --brand:#4F6BD6; /* RGB(79,107,214) */
  --bg:#ffffff;
  --text:#111319;
  --muted:#5f6577;
  --surface:#f5f7fb;
  --border:#e6e9f2;
  --radius:14px;
  --shadow:0 10px 30px rgba(17,19,25,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft Yahei",sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,92vw);margin:0 auto}
.center{text-align:center}

/* 置顶导航 */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(8px)}
.site-header .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:inline-flex;align-items:center}
.logo img{height:36px}
.logo .brand-name{margin-left:20px;font-size:16px;line-height:1;color:var(--text);font-weight:400;white-space:nowrap}
.nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
.nav a{padding:8px 10px;border-radius:8px}
.nav a:hover{background:var(--surface)}
.sm-hide{display:inline-flex}

/* 导航-获取报价：添加明显上标徽标，吸引点击 */
.nav a[href="#contact"]{position:relative}
.nav a[href="#contact"]::after{content:"荐";position:absolute;top:-8px;right:-10px;background:#ff4d4f;color:#fff;border-radius:999px;padding:2px 6px;font-size:11px;line-height:1;box-shadow:0 2px 6px rgba(0,0,0,.15);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,77,79,.45)}70%{box-shadow:0 0 0 8px rgba(255,77,79,0)}100%{box-shadow:0 0 0 0 rgba(255,77,79,0)}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:12px 20px;font-weight:600;transition:.2s box-shadow,.2s transform;gap:8px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(79,107,214,.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(79,107,214,.35)}
/* 咨询类按钮统一高亮效果（适用于所有咨询 href） */
a.btn[href*="p.qiao.baidu.com"],
a.btn[href^="#contact"]{
  position:relative;overflow:hidden;isolation:isolate;
  animation:ctaGlow 2.4s ease-in-out infinite;
}
a.btn[href*="p.qiao.baidu.com"]::after,
a.btn[href^="#contact"]::after{
  content:"";position:absolute;top:0;left:-150%;width:120%;height:100%;
  background:linear-gradient(120deg, transparent 0%, rgba(255,255,255,.65) 35%, transparent 70%);
  transform:skewX(-20deg);z-index:1;pointer-events:none;
  animation:shine 2.8s ease-in-out infinite;
}
a.btn[href*="p.qiao.baidu.com"]::before,
a.btn[href^="#contact"]::before{
  content:"";position:absolute;inset:-8px;border-radius:16px;z-index:0;pointer-events:none;
  background:radial-gradient(60% 60% at 50% 50%, rgba(79,107,214,.35) 0%, rgba(79,107,214,0) 70%);
  filter:blur(8px);opacity:.8;animation:breath 3s ease-in-out infinite;
}
@keyframes shine{0%{left:-150%}60%{left:150%}100%{left:150%}}
@keyframes ctaGlow{0%,100%{box-shadow:0 6px 14px rgba(79,107,214,.25)}50%{box-shadow:0 10px 28px rgba(79,107,214,.45)}}
@keyframes breath{0%{opacity:.5}100%{opacity:.9}}

/* 悬停与聚焦可访问性 */
a.btn[href*="p.qiao.baidu.com"]:hover,
a.btn[href^="#contact"]:hover{transform:translateY(-1px) scale(1.02)}
a.btn[href*="p.qiao.baidu.com"]:focus-visible,
a.btn[href^="#contact"]:focus-visible{outline:3px solid rgba(79,107,214,.6);outline-offset:2px}

/* 降低动画强度（用户减少动态偏好） */
@media (prefers-reduced-motion: reduce){
  a.btn[href*="p.qiao.baidu.com"],a.btn[href^="#contact"]{animation:none}
  a.btn[href*="p.qiao.baidu.com"]::after,a.btn[href^="#contact"]::after{animation:none}
  a.btn[href*="p.qiao.baidu.com"]::before,a.btn[href^="#contact"]::before{animation:none}
}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover{background:rgba(79,107,214,.08)}
.phone{margin-left:16px;font-weight:600;color:var(--brand)}

/* 区块通用 */
.section{padding:72px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.media img{border-radius:var(--radius);}
.content ul{margin:0 0 18px 18px}
.content li{margin:6px 0}

/* 全幅左右分栏（左图右文各50%） */
.split-bleed{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;width:100vw;margin-left:calc(50% - 50vw);gap:0;--bleedH:clamp(300px,46vh,440px)}
.split-bleed .media{position:relative;height:var(--bleedH);margin:0}
.split-bleed .media img{position:absolute;right:0;bottom:0;height:100%;width:auto;object-fit:contain}
.split-bleed .content{display:flex;flex-direction:column;gap:14px;min-height:var(--bleedH);padding:32px 5vw;justify-content:center}
.split-bleed .content h2{font-size:40px;line-height:1.2;margin:0 0 10px}
.split-bleed .content .features{display:grid;gap:8px}

/* 产品区：整区块主色渐变背景 */
.product .split-bleed{position:relative;background:linear-gradient(90deg, var(--brand) 0%, rgba(79,107,214,.40) 55%, rgba(79,107,214,.06) 100%)}
.product .split-bleed::after{content:"";position:absolute;inset:0;pointer-events:none}
.product .split-bleed .content ul{margin-left:0}
.product .split-bleed .content li{list-style-position:inside}
/* 产品区：features 下按钮宽度适配文字，且靠左 80px */
.product .split-bleed .content .btn-primary{display:inline-flex;width:auto;align-self:flex-start;margin-left:80px;padding:10px 16px;white-space:nowrap}

/* 产品区：媒体不再叠加渐变，保留排版 */
.product .split-bleed .media{position:relative;overflow:hidden;border-radius:var(--radius)}
.product .split-bleed .media img{position:absolute;right:0;bottom:0;height:100%;width:auto;object-fit:contain}
.product .split-bleed .content{display:flex;flex-direction:column;gap:14px;min-height:var(--bleedH);padding:32px 5vw;justify-content:center}
.product .split-bleed .content h2{font-size:40px;line-height:1.2;margin:0 0 10px}
.product .split-bleed .content .features{display:grid;gap:8px}
.product .split-bleed .media::before{content:none}
.product .split-bleed .media .pg-gradient{position:relative;width:100%;height:100%}
.product .split-bleed .media .pg-text{position:absolute;right:485px;top:50%;transform:translateY(-50%);color:#fff;display:flex;flex-direction:column;gap:10px;max-width:42%;z-index:2;align-items:flex-end;text-align:right}
.product .split-bleed .media .pg-text h3{margin:0;font-size:30px;line-height:1.2}
.product .split-bleed .media .pg-text p{margin:0;color:#eaf0ff}
.product .split-bleed .media .pg-text .about-badge{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.28);color:#fff;margin:0}
.product .split-bleed .media .pg-text .btn-primary{background:#fff;color:var(--brand)}
.product .split-bleed .media .pg-image{position:absolute;right:0;bottom:0;display:flex;align-items:flex-end;justify-content:flex-end;width:58%;height:100%;padding:0 10px 0 0;z-index:0}
.product .split-bleed .media .pg-image img{height:100%;width:auto;object-fit:contain;border-radius:0}

@media (max-width: 992px){
  .product .split-bleed .media .pg-text{max-width:56%}
}
@media (max-width: 640px){
  .product .split-bleed .media{border-radius:12px}
  .product .split-bleed .media .pg-text{right:12px;top:50%;transform:translateY(-50%);max-width:68%}
  .product .split-bleed .media .pg-text h3{font-size:22px;text-align:right}
  .product .split-bleed .media .pg-image{width:64%}
}

/* 产品横幅无额外上下留白，避免整体过高 */
.product.section{padding:0}

/* Hero 左文右图，右图占一半且等高 */
.hero{padding:50px 0;background:var(--surface)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.hero-text h1{font-size:54px;line-height:1.12;margin:0 0 14px;font-weight:800}
.hero-desc{color:var(--muted);max-width:640px;margin:0 0 22px}
.hero-text .subtitle{color:var(--muted);font-weight:500;margin:0 0 22px}
.cta-row{display:flex;align-items:center;flex-wrap:wrap;gap:14px}
.hero-author{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:6px 12px;box-shadow:var(--shadow)}
.hero-author .thumb{width:36px;height:36px;border-radius:50%;overflow:hidden}
.hero-author .thumb img{width:100%;height:100%;object-fit:cover}
.hero-author .info{display:flex;flex-direction:column;line-height:1.1}
.hero-author .info span{font-size:12px;color:var(--muted)}
.hero-author .info h5{margin:2px 0 0;font-size:14px}
.hero-media{height:clamp(380px, 58vh, 500px);margin:0}
.hero-media img{height:100%;width:100%;object-fit:contain;border-radius:16px}

/* 参考示例风格增强 */
.medolia-hero{position:relative;overflow:hidden;background:var(--surface)}
.hero-text .sub-title{display:inline-flex;align-items:center;gap:8px;background:rgba(79,107,214,.1);color:var(--brand);padding:6px 12px;border-radius:999px;font-weight:600;margin-bottom:10px}
.hero-image-box{position:relative}
.text-shape{position:absolute;right:18px;background:#fff;color:var(--brand);border:1px solid var(--border);box-shadow:var(--shadow);padding:8px 12px;border-radius:999px}
.text-shape a{color:var(--brand);font-weight:700}
.ts-one{top:16px}
.ts-two{top:80px}
.shape{position:absolute;inset:auto;pointer-events:none}
.shape span{display:block;width:110px;height:110px;border-radius:50%;background:rgba(79,107,214,.12);filter:blur(0)}
.shape-one{left:-30px;top:-30px;animation:float 10s ease-in-out infinite}
.shape-two{right:-40px;top:40px;animation:float 12s ease-in-out infinite reverse}
.shape-three{left:40%;bottom:-30px;animation:float 14s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* 右侧头像统计卡片 */
.avatar-card{position:absolute;left:-84px;bottom:18px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:12px 14px}
.avatar-card h5{margin:0 0 8px;font-size:14px}
.avatar-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.avatar-list li{width:28px;height:28px;border-radius:50%;overflow:hidden;border:2px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.avatar-list li img{width:100%;height:100%;object-fit:cover}
.avatar-list .more{width:auto;height:auto;border:none;background:rgba(79,107,214,.1);color:var(--brand);padding:4px 8px;border-radius:999px;font-size:12px;box-shadow:none}

/* 业绩横幅 */
.stats-banner{background:var(--brand);color:#fff}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{display:flex;flex-direction:column;align-items:center;gap:4px;padding:18px}
.stat .num{font-size:36px;font-weight:800}
.stat .label{opacity:.9}

/* 业绩横幅分隔线 */
.stats-banner .stat{position:relative}
.stats-banner .stat:not(:first-child){padding-left:30px}
.stats-banner .stat:not(:first-child)::before{content:"";position:absolute;left:0;top:18%;bottom:18%;width:1px;background:rgba(255,255,255,.45)}

/* 小屏隐藏分隔线，避免拥挤 */
@media (max-width: 640px){
  .stats-banner .stat:not(:first-child){padding-left:0}
  .stats-banner .stat:not(:first-child)::before{display:none}
}

/* 产品、步骤、优势 */
.product .features{display:grid;gap:8px}
.steps .step-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

/* 产品规格信息卡片 */
.product-spec{margin:12px 0 16px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:16px}
.product-spec .spec-dl{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px;margin:0}
.product-spec .spec-dl > div{display:grid;grid-template-columns:120px 1fr;align-items:start;gap:8px}
.product-spec dt{margin:0;color:var(--muted);font-size:14px}
.product-spec dd{margin:0;color:var(--text);font-size:14px}
@media (max-width: 640px){
  .product-spec .spec-dl{grid-template-columns:1fr}
}
.step-card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:22px;position:relative}
.step-index{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;border-radius:999px;padding:6px 10px;font-weight:700}

.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why-item{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:22px}

/* 联系区 */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
/* 左侧整体卡片化与居中排版 */
.contact-left{background:linear-gradient(180deg,#f7f9ff 0%,#ffffff 100%);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:22px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
/* 文字块去卡片边框，融入左侧卡片 */
.contact-text{background:transparent;border:none;box-shadow:none;padding:0;margin:0 0 14px}
.contact-text h2{margin:0 0 8px}
.contact-text p{margin:0;color:var(--muted)}
.contact-img{margin-top:8px;display:flex;justify-content:center}
/* 二维码卡片化，提升视觉层级 */
.contact-img img{width:240px;height:auto;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:12px}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:22px;display:grid;gap:10px;align-content:start}
.contact-form input{height:44px;border:1px solid var(--border);border-radius:10px;padding:0 12px;font-size:15px}
.contact-form .form-tip{color:var(--muted);font-size:13px;margin:6px 0 0}

/* 新闻（简洁列表版） */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 24px}
.news-card{background:transparent;border:none;border-bottom:1px solid var(--border);padding:12px 0;border-radius:0;box-shadow:none}
.news-card h3{margin:0;font-size:16px;line-height:1.35;font-weight:400}
.news-card h3 a{color:var(--text)}
.news-card h3 a:hover{text-decoration:underline;color:var(--brand)}
.news-card p{margin:6px 0 0;color:var(--muted);font-size:14px}
@media (max-width: 992px){
  .news-grid{grid-template-columns:1fr}
  .news-card h3{font-size:15px}
}

/* 页脚 */
.site-footer{padding:36px 0;background:#0f1730;color:#cfd6ff}
.site-footer a{color:#cfd6ff;text-decoration:underline}

/* 关于我们参考样式 */
.about-grid{align-items:stretch}
.about-media{position:relative}
.about-media img{border-radius:18px}
.about-schedule{position:absolute;right:-18px;bottom:40px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:16px;min-width:220px}
.sched-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.sched-icon{width:36px;height:36px;border-radius:999px;background:rgba(79,107,214,.12);display:flex;align-items:center;justify-content:center;color:var(--brand)}
.sched-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.sched-list li{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--text)}
.about-mini-pill{position:absolute;left:12px;bottom:12px;background:rgba(79,107,214,.08);border:1px solid var(--border);color:var(--text);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:2px;box-shadow:var(--shadow)}
.about-mini-pill strong{color:var(--brand);font-size:16px}
.about-badge{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 10px;color:var(--muted);font-weight:600;margin-bottom:10px}
.about-content h2{font-size:36px;line-height:1.2;margin:6px 0 12px}
.about-list{display:grid;gap:14px;margin:14px 0}
.about-item{display:flex;gap:12px;align-items:flex-start}
/* 关于我们列表小圆标 */
.ai-icon{width:10px;height:10px;border-radius:50%;background:var(--brand);flex:0 0 10px;margin-top:8px;font-size:0;line-height:0;color:transparent}
.ai-text h3{margin:0 0 4px;font-size:18px}
.ai-text p{margin:0;color:var(--muted)}
.about-cta{display:flex;align-items:center;gap:16px;margin-top:6px;flex-wrap:wrap}
.about-author{display:flex;align-items:center;gap:10px}

/* 关于我们轮播 */
.about-slider{position:relative;overflow:hidden;border-radius:18px;background:#fff}
.about-slides{display:flex;transition:transform .5s ease}
.about-slide{min-width:100%;height:clamp(380px,56vh,520px);display:flex;align-items:center;justify-content:center;background:#fff}
.about-slide img{width:100%;height:100%;object-fit:contain}
.about-prev,.about-next{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:rgba(255,255,255,.9);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;cursor:pointer}
.about-prev{left:10px}
.about-next{right:10px}
.about-prev:hover,.about-next:hover{background:#fff}
.about-dots{position:absolute;left:0;right:0;bottom:10px;display:flex;align-items:center;justify-content:center;gap:8px}
.about-dots button{width:8px;height:8px;border-radius:50%;border:none;background:rgba(0,0,0,.2);cursor:pointer}
.about-dots button[aria-current="true"],.about-dots button.is-active{background:var(--brand)}

/* 轮播控件焦点：移除浏览器默认虚线，使用自定义可见焦点样式 */
.about-slider :where(button){outline:none}
.about-prev:focus-visible,.about-next:focus-visible,.about-dots button:focus-visible,
.about-prev:focus,.about-next:focus,.about-dots button:focus{
  outline:none;box-shadow:0 0 0 3px rgba(79,107,214,.45)
}
/* 防止容器自身出现虚线焦点框（容器默认不可聚焦，仅兜底） */
.about-slider:focus,.about-slide:focus{outline:none}

@media (max-width: 640px){
  .about-slide{height:clamp(300px, 50vh, 420px)}
}
.about-author img{width:36px;height:36px;border-radius:50%;object-fit:cover}
.about-author strong{display:block;line-height:1}
.about-author span{display:block;color:var(--muted);font-size:12px}

/* 关于我们：主色渐变媒体（左文右图） */
.about-gradient{position:relative;border-radius:18px;overflow:hidden;min-height:380px;display:flex;align-items:stretch;background:linear-gradient(90deg, var(--brand) 0%, rgba(79,107,214,.35) 55%, rgba(79,107,214,.06) 100%)}
.about-gradient .ag-text{position:absolute;left:24px;top:24px;display:flex;flex-direction:column;gap:12px;color:#fff;max-width:46%}
.about-gradient .ag-text h3{margin:0;font-size:32px;line-height:1.2}
.about-gradient .ag-text p{margin:0;color:#eaf0ff}
.about-gradient .ag-text .about-badge{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.25);color:#fff;margin:0}
.about-gradient .ag-text .btn-primary{background:#fff;color:var(--brand)}
.about-gradient .ag-image{margin-left:auto;display:flex;align-items:flex-end;justify-content:flex-end;flex:1;padding:10px 10px 0 0}
.about-gradient .ag-image img{width:100%;height:100%;object-fit:contain;max-height:420px;border-radius:0}

@media (max-width: 992px){
  .about-gradient{min-height:340px}
  .about-gradient .ag-text{max-width:60%}
}
@media (max-width: 640px){
  .about-gradient{min-height:280px}
  .about-gradient .ag-text{position:absolute;left:16px;top:16px;max-width:70%}
  .about-gradient .ag-text h3{font-size:24px}
  .about-gradient .ag-image img{max-height:260px}
}

/* 滚动进入动画（循环） */
.inview-loop{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease}
.inview-loop.in-view{opacity:1;transform:translateY(0)}

/* 响应式 */
@media (max-width: 992px){
  .split,.hero-grid,.steps .step-cards,.why-grid,.news-grid,.contact-grid{grid-template-columns:1fr}
  .split-bleed{grid-template-columns:1fr}
  .split-bleed .media{height:auto}
  .split-bleed .media img{height:220px}
  .split-bleed .content{min-height:auto;padding:24px 5vw;gap:10px}
  .hero-media{height:clamp(320px, 52vh, 420px)}
  .text-shape{right:12px}
  .about-schedule{right:12px;bottom:12px}
}
@media (max-width: 640px){
  .site-header .nav-wrap{height:60px}
  .nav{display:none}
  .sm-hide{display:none}
  .hero-text h1{font-size:32px}
  .hero-media{height:320px}
}