/* ========== CSS Reset & Variables ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1a56db;
  --primary-dark:#1e3a8a;
  --primary-light:#3b82f6;
  --accent:#f97316;
  --accent-hover:#ea580c;
  --dark:#0f172a;
  --dark2:#1e293b;
  --gray:#334155;
  --gray-light:#94a3b8;
  --light:#f1f5f9;
  --light2:#e2e8f0;
  --white:#ffffff;
  --shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);
  --radius:12px;
  --transition:all .3s ease;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--gray);line-height:1.7;background:var(--white)}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{line-height:1.3;color:var(--dark)}

/* ========== 通用容器 ========== */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:60px}
.section-header h2{font-size:2.2rem;margin-bottom:12px;position:relative;display:inline-block}
.section-header h2::after{content:'';display:block;width:60px;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));margin:12px auto 0;border-radius:2px}
.section-header p{font-size:1.1rem;color:var(--gray-light);max-width:700px;margin:0 auto}

/* ========== 顶部栏 ========== */
.top-bar{background:var(--dark);color:var(--white);padding:8px 0;font-size:.85rem}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar-left{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.top-bar-left span{display:flex;align-items:center;gap:6px;opacity:.9}
.top-bar-right{display:flex;gap:15px;align-items:center}
.top-bar-right a{color:var(--accent);font-weight:600}
.top-bar-right a:hover{color:#fbbf24}

/* ========== 导航 ========== */
.navbar{background:var(--white);box-shadow:var(--shadow);position:sticky;top:0;z-index:1000;transition:var(--transition)}
.navbar .container{display:flex;justify-content:space-between;align-items:center;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:800;color:var(--primary-dark)}
.logo svg{width:36px;height:36px}
.logo span{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{padding:8px 16px;border-radius:8px;font-weight:500;font-size:.95rem;color:var(--gray);transition:var(--transition)}
.nav-links a:hover,.nav-links a.active{background:var(--light);color:var(--primary)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle svg{width:28px;height:28px;color:var(--dark)}

/* ========== Hero区域 ========== */
.hero{background:linear-gradient(135deg,var(--dark) 0%,var(--primary-dark) 50%,#312e81 100%);color:var(--white);padding:100px 0 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(249,115,22,.15) 0%,transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(59,130,246,.1) 0%,transparent 70%);border-radius:50%}
.hero .container{position:relative;z-index:1;display:flex;align-items:center;gap:60px}
.hero-content{flex:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:6px 16px;border-radius:50px;font-size:.85rem;margin-bottom:24px;backdrop-filter:blur(10px)}
.hero-badge svg{width:16px;height:16px;color:var(--accent)}
.hero h1{font-size:2.8rem;font-weight:800;line-height:1.25;margin-bottom:20px}
.hero h1 .highlight{color:var(--accent);position:relative}
.hero-desc{font-size:1.15rem;opacity:.85;line-height:1.8;margin-bottom:36px;max-width:560px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;border:none;transition:var(--transition)}
.btn-primary{background:var(--accent);color:var(--white);box-shadow:0 4px 14px rgba(249,115,22,.4)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(249,115,22,.5)}
.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.3)}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn-secondary{background:var(--primary);color:var(--white)}
.btn-secondary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.hero-stats{display:flex;gap:40px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:2.4rem;font-weight:800;color:var(--accent)}
.hero-stat .label{font-size:.85rem;opacity:.7;margin-top:2px}
.hero-visual{flex:0 0 400px;position:relative}
.hero-card{background:rgba(255,255,255,.08);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:32px;position:relative}
.hero-card-tag{position:absolute;top:-12px;right:20px;background:var(--accent);color:var(--white);padding:4px 14px;border-radius:20px;font-size:.8rem;font-weight:600}
.hero-card h3{font-size:1.2rem;margin-bottom:20px;color:var(--white)}
.code-block{background:rgba(0,0,0,.3);border-radius:10px;padding:16px;font-family:"Fira Code","Courier New",monospace;font-size:.82rem;line-height:1.8;overflow-x:auto}
.code-block .line{display:block}
.code-block .comment{color:#6b7280}
.code-block .keyword{color:#818cf8}
.code-block .string{color:#34d399}
.code-block .func{color:#fbbf24}

/* ========== 子页面Hero ========== */
.page-hero{background:linear-gradient(135deg,var(--dark) 0%,var(--primary-dark) 100%);color:var(--white);padding:60px 0 50px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-40%;right:-15%;width:400px;height:400px;background:radial-gradient(circle,rgba(249,115,22,.12) 0%,transparent 70%);border-radius:50%}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:2.4rem;font-weight:800;color:var(--white);margin-bottom:12px}
.page-hero p{font-size:1.1rem;opacity:.7;max-width:600px;margin:0 auto}

/* ========== 面包屑 ========== */
.breadcrumb{padding:16px 0;background:var(--light);border-bottom:1px solid var(--light2);font-size:.88rem}
.breadcrumb-list{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb-list a{color:var(--primary);font-weight:500}
.breadcrumb-list a:hover{color:var(--accent)}
.breadcrumb-list span{color:var(--gray-light)}
.breadcrumb-sep{color:var(--gray-light);font-size:.75rem}

/* ========== 服务项目 ========== */
.services{background:var(--white)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{background:var(--white);border:1px solid var(--light2);border-radius:var(--radius);padding:36px 28px;transition:var(--transition);position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transition:var(--transition);transform-origin:left}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:transparent}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;background:linear-gradient(135deg,rgba(26,86,219,.08),rgba(249,115,22,.08))}
.service-icon svg{width:28px;height:28px;color:var(--primary)}
.service-card h3{font-size:1.25rem;margin-bottom:10px}
.service-card p{color:var(--gray-light);font-size:.95rem;line-height:1.7;margin-bottom:16px}
.service-tags{display:flex;flex-wrap:wrap;gap:6px}
.service-tag{background:var(--light);color:var(--primary);padding:4px 12px;border-radius:6px;font-size:.78rem;font-weight:500}
.service-card a.btn{margin-top:12px;padding:10px 24px;font-size:.9rem}

/* ========== 服务详情块 ========== */
.detail-block{padding:60px 0;border-bottom:1px solid var(--light2)}
.detail-block:last-child{border-bottom:none}
.detail-block .container{display:flex;align-items:center;gap:50px}
.detail-block:nth-child(even) .container{flex-direction:row-reverse}
.detail-content{flex:1}
.detail-content h2{font-size:1.8rem;margin-bottom:16px}
.detail-content p{color:var(--gray);font-size:1rem;line-height:1.9;margin-bottom:14px}
.detail-content ul{margin:16px 0}
.detail-content ul li{padding:8px 0 8px 28px;position:relative;color:var(--gray);font-size:.95rem}
.detail-content ul li::before{content:'✓';position:absolute;left:0;color:var(--primary);font-weight:700}
.detail-img{flex:0 0 420px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.detail-img img{width:100%;height:280px;object-fit:cover}
.detail-img svg{width:100%;height:280px;border-radius:var(--radius)}
.detail-img .placeholder{width:100%;height:280px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center}
.detail-img .placeholder svg{width:80px;height:80px;color:rgba(255,255,255,.2)}

/* ========== 脚本分类 ========== */
.script-types{background:var(--light)}
.types-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.type-card{background:var(--white);border-radius:var(--radius);padding:30px 20px;text-align:center;transition:var(--transition);border:1px solid transparent;cursor:default}
.type-card:hover{border-color:var(--primary-light);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.type-icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white)}
.type-icon svg{width:28px;height:28px}
.type-card h3{font-size:1.05rem;margin-bottom:6px}
.type-card p{font-size:.82rem;color:var(--gray-light)}

/* ========== 为什么选择我们 ========== */
.why-us{background:var(--white)}
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.why-card{display:flex;gap:20px;padding:28px;border-radius:var(--radius);background:var(--light);transition:var(--transition)}
.why-card:hover{background:var(--white);box-shadow:var(--shadow-lg)}
.why-num{flex-shrink:0;width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800}
.why-card h3{font-size:1.1rem;margin-bottom:6px}
.why-card p{color:var(--gray-light);font-size:.92rem}

/* ========== 技术栈 ========== */
.tech-stack{background:linear-gradient(135deg,var(--dark) 0%,var(--primary-dark) 100%);color:var(--white)}
.tech-stack .section-header h2{color:var(--white)}
.tech-stack .section-header h2::after{background:linear-gradient(90deg,var(--accent),#fbbf24)}
.tech-stack .section-header p{color:rgba(255,255,255,.6)}
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tech-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:24px;text-align:center;transition:var(--transition)}
.tech-item:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.tech-item .tech-name{font-size:.95rem;font-weight:600;margin-top:10px;color:var(--white)}
.tech-item .tech-desc{font-size:.78rem;color:rgba(255,255,255,.5);margin-top:4px}

/* ========== 服务流程 ========== */
.process{background:var(--light)}
.process-steps{display:flex;gap:0;position:relative;justify-content:space-between}
.process-steps::before{content:'';position:absolute;top:36px;left:10%;right:10%;height:3px;background:var(--light2);z-index:0}
.step{flex:1;text-align:center;position:relative;z-index:1;padding:0 10px}
.step-num{width:72px;height:72px;border-radius:50%;background:var(--white);border:3px solid var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.5rem;font-weight:800;color:var(--primary);transition:var(--transition);box-shadow:var(--shadow)}
.step:hover .step-num{background:var(--primary);color:var(--white);transform:scale(1.1)}
.step h3{font-size:1.05rem;margin-bottom:6px}
.step p{font-size:.85rem;color:var(--gray-light);max-width:180px;margin:0 auto}

/* ========== 案例展示 ========== */
.cases{background:var(--white)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.case-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--light2);transition:var(--transition)}
.case-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}
.case-img{height:220px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover .case-img img{transform:scale(1.05)}
.case-img .case-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.case-img svg{width:64px;height:64px;color:rgba(255,255,255,.3)}
.case-type{position:absolute;top:14px;left:14px;background:var(--accent);color:var(--white);padding:4px 12px;border-radius:6px;font-size:.78rem;font-weight:600;z-index:2}
.case-body{padding:24px}
.case-body h3{font-size:1.1rem;margin-bottom:8px}
.case-body p{font-size:.9rem;color:var(--gray-light);margin-bottom:14px}
.case-techs{display:flex;gap:6px;flex-wrap:wrap}
.case-tech{background:var(--light);color:var(--gray);padding:3px 10px;border-radius:4px;font-size:.75rem}

/* ========== 客户评价 ========== */
.testimonials{background:var(--light)}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.testi-card{background:var(--white);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:var(--transition);position:relative}
.testi-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-3px)}
.testi-card::before{content:'\201C';position:absolute;top:10px;right:20px;font-size:5rem;color:var(--light2);font-family:Georgia,serif;line-height:1}
.testi-stars{display:flex;gap:2px;margin-bottom:14px}
.testi-stars svg{width:18px;height:18px;color:var(--accent)}
.testi-text{font-size:.95rem;color:var(--gray);line-height:1.8;margin-bottom:20px;position:relative;z-index:1}
.testi-author{display:flex;align-items:center;gap:12px;border-top:1px solid var(--light2);padding-top:16px}
.testi-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;font-size:1rem}
.testi-name{font-weight:600;font-size:.95rem}
.testi-role{font-size:.8rem;color:var(--gray-light)}

/* ========== FAQ ========== */
.faq{background:var(--white)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--light2);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item.active{border-color:var(--primary-light);box-shadow:var(--shadow)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-weight:600;font-size:1.05rem;color:var(--dark);background:var(--white);transition:var(--transition);gap:16px}
.faq-q:hover{color:var(--primary)}
.faq-q svg{flex-shrink:0;width:20px;height:20px;transition:transform .3s ease;color:var(--gray-light)}
.faq-item.active .faq-q svg{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a-inner{padding:0 24px 20px;color:var(--gray);font-size:.95rem;line-height:1.8}

/* ========== 联系我们 ========== */
.contact{background:linear-gradient(135deg,var(--dark) 0%,var(--primary-dark) 100%);color:var(--white)}
.contact .section-header h2{color:var(--white)}
.contact .section-header h2::after{background:linear-gradient(90deg,var(--accent),#fbbf24)}
.contact .section-header p{color:rgba(255,255,255,.6)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.contact-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:36px 28px;text-align:center;transition:var(--transition)}
.contact-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.contact-icon{width:60px;height:60px;border-radius:50%;background:rgba(249,115,22,.15);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.contact-icon svg{width:28px;height:28px;color:var(--accent)}
.contact-card h3{font-size:1.1rem;margin-bottom:6px;color:var(--white)}
.contact-card p{color:rgba(255,255,255,.6);font-size:.9rem;margin-bottom:10px}
.contact-val{font-size:1.2rem;font-weight:700;color:var(--accent)}

/* ========== 博客/文章 ========== */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{background:var(--white);border:1px solid var(--light2);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.blog-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}
.blog-card-img{height:200px;overflow:hidden}
.blog-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.blog-card:hover .blog-card-img img{transform:scale(1.05)}
.blog-card-img .placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center}
.blog-card-img .placeholder svg{width:48px;height:48px;color:rgba(255,255,255,.3)}
.blog-card-body{padding:24px}
.blog-card-meta{display:flex;gap:16px;margin-bottom:10px;font-size:.82rem;color:var(--gray-light)}
.blog-card-body h3{font-size:1.1rem;margin-bottom:8px}
.blog-card-body h3 a{color:var(--dark)}
.blog-card-body h3 a:hover{color:var(--primary)}
.blog-card-body p{font-size:.9rem;color:var(--gray-light);line-height:1.7;margin-bottom:14px}
.blog-card-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--light2);padding-top:14px}
.blog-card-footer a{color:var(--primary);font-weight:600;font-size:.88rem;display:flex;align-items:center;gap:4px}
.blog-card-footer a:hover{color:var(--accent)}
.blog-card-tags{display:flex;gap:6px}
.blog-card-tag{background:var(--light);color:var(--primary);padding:2px 10px;border-radius:4px;font-size:.75rem}

/* ========== 文章详情页 ========== */
.article{max-width:800px;margin:0 auto;padding:50px 20px}
.article-header{margin-bottom:40px}
.article-header h1{font-size:2rem;margin-bottom:16px;line-height:1.4}
.article-meta{display:flex;gap:20px;color:var(--gray-light);font-size:.88rem;flex-wrap:wrap;margin-bottom:16px}
.article-tags{display:flex;gap:8px}
.article-tag{background:var(--light);color:var(--primary);padding:4px 14px;border-radius:6px;font-size:.82rem;font-weight:500}
.article-content{font-size:1.05rem;line-height:2;color:var(--gray)}
.article-content h2{font-size:1.6rem;margin:36px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--light2)}
.article-content h3{font-size:1.3rem;margin:28px 0 12px}
.article-content p{margin-bottom:18px}
.article-content ul,.article-content ol{margin:16px 0;padding-left:24px}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:8px}
.article-content img{border-radius:var(--radius);margin:20px 0;box-shadow:var(--shadow)}
.article-content blockquote{border-left:4px solid var(--primary);background:var(--light);padding:16px 24px;margin:20px 0;border-radius:0 var(--radius) var(--radius) 0;color:var(--gray)}
.article-content code{background:var(--light);padding:2px 8px;border-radius:4px;font-size:.9em;color:var(--primary-dark)}
.article-content pre{background:var(--dark);color:#e2e8f0;padding:20px;border-radius:var(--radius);overflow-x:auto;margin:20px 0;font-size:.9rem;line-height:1.7}
.article-content pre code{background:none;padding:0;color:inherit}
.article-nav{display:flex;justify-content:space-between;gap:20px;margin-top:50px;padding-top:30px;border-top:1px solid var(--light2)}
.article-nav a{padding:14px 24px;border:1px solid var(--light2);border-radius:var(--radius);color:var(--gray);font-weight:500;transition:var(--transition)}
.article-nav a:hover{border-color:var(--primary);color:var(--primary);background:var(--light)}

/* ========== 联系页面详细表单区 ========== */
.contact-detail{background:var(--white)}
.contact-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-info h2{font-size:1.6rem;margin-bottom:20px}
.contact-info-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--light2)}
.contact-info-item:last-child{border-bottom:none}
.contact-info-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,rgba(26,86,219,.08),rgba(249,115,22,.08));display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info-icon svg{width:22px;height:22px;color:var(--primary)}
.contact-info-item h3{font-size:1rem;margin-bottom:2px}
.contact-info-item p{color:var(--gray-light);font-size:.95rem}
.contact-qr{background:var(--light);border-radius:var(--radius);padding:40px;text-align:center}
.contact-qr h2{font-size:1.6rem;margin-bottom:20px}
.contact-qr .qr-placeholder{width:200px;height:200px;background:var(--white);border:2px dashed var(--light2);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--gray-light);font-size:.9rem;text-align:center;padding:20px}
.contact-qr p{color:var(--gray-light);font-size:.9rem}

/* ========== Footer ========== */
.footer{background:var(--dark2);color:rgba(255,255,255,.6);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand h3{color:var(--white);font-size:1.3rem;margin-bottom:12px}
.footer-brand p{font-size:.9rem;line-height:1.8;max-width:300px}
.footer-col h4{color:var(--white);font-size:1rem;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:.9rem;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:24px 0;flex-wrap:wrap;gap:10px;font-size:.82rem}
.footer-seo{padding:30px 0;border-top:1px solid rgba(255,255,255,.05);font-size:.78rem;color:rgba(255,255,255,.3);line-height:2}

/* ========== 悬浮联系按钮 ========== */
.float-contact{position:fixed;right:24px;bottom:24px;z-index:999;display:flex;flex-direction:column;gap:10px}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-lg);border:none}
.float-btn:hover{transform:scale(1.1)}
.float-btn.wechat{background:#07c160;color:var(--white)}
.float-btn.qq{background:#12b7f5;color:var(--white)}
.float-btn.top{background:var(--primary);color:var(--white)}
.float-btn svg{width:24px;height:24px}

/* ========== 通用CTA区域 ========== */
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:var(--white);padding:60px 0;text-align:center}
.cta-section h2{font-size:2rem;color:var(--white);margin-bottom:12px}
.cta-section p{opacity:.8;margin-bottom:28px;font-size:1.05rem}
.cta-section .btn-primary{background:var(--accent);font-size:1.1rem;padding:16px 40px}

/* ========== 分页 ========== */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border-radius:8px;font-size:.9rem;font-weight:500;transition:var(--transition)}
.pagination a{background:var(--white);border:1px solid var(--light2);color:var(--gray)}
.pagination a:hover{background:var(--primary);color:var(--white);border-color:var(--primary)}
.pagination-current{background:var(--primary);color:var(--white);border:1px solid var(--primary)}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .hero .container{flex-direction:column;text-align:center}
  .hero-visual{display:none}
  .hero-desc{margin:0 auto 36px}
  .hero-btns{justify-content:center}
  .hero-stats{justify-content:center}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .types-grid{grid-template-columns:repeat(3,1fr)}
  .tech-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .detail-block .container{flex-direction:column!important}
  .detail-img{flex:auto;width:100%}
  .contact-info-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .top-bar .container{justify-content:center;text-align:center}
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:var(--white);flex-direction:column;padding:20px;box-shadow:var(--shadow-lg);border-top:1px solid var(--light2)}
  .nav-links.active{display:flex}
  .nav-toggle{display:block}
  .hero{padding:60px 0}
  .hero h1{font-size:2rem}
  .hero-stats{gap:24px}
  .hero-stat .num{font-size:1.8rem}
  .section{padding:50px 0}
  .section-header h2{font-size:1.7rem}
  .section-header{margin-bottom:40px}
  .page-hero h1{font-size:1.8rem}
  .services-grid{grid-template-columns:1fr}
  .types-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr}
  .process-steps{flex-direction:column;gap:24px;align-items:center}
  .process-steps::before{display:none}
  .cases-grid{grid-template-columns:1fr}
  .testi-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .blog-grid{grid-template-columns:1fr}
  .article-header h1{font-size:1.5rem}
}
@media(max-width:480px){
  .hero h1{font-size:1.6rem}
  .types-grid{grid-template-columns:1fr 1fr}
  .hero-stats{flex-wrap:wrap;gap:16px}
}