/* ============================================================
   LuNew8 主题商店 —— 前台样式（子比风 · 蓝青品牌色）
   ============================================================ */
*{box-sizing:border-box}
body{margin:0;font-family:'Microsoft YaHei','PingFang SC','Helvetica Neue',Arial,sans-serif;background:#f5f7fa;color:#1e293b;line-height:1.6}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.container{max-width:1160px;margin:0 auto;padding:0 20px}

/* ---------- 顶部公告 ---------- */
.announce-bar{background:#2563eb;color:#f0f9ff;font-size:13px;padding:8px 0;text-align:center}

/* ---------- 白色导航条 ---------- */
.site-header{background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);position:sticky;top:0;z-index:50;border-bottom:1px solid #e8ecf1;box-shadow:0 1px 4px rgba(15,23,42,.04)}
.header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;height:64px;gap:20px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:38px;height:38px;border-radius:10px;background:#2563eb;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff;box-shadow:0 4px 12px rgba(37,99,235,.3)}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.5px;background:linear-gradient(135deg,#2563eb,#06b6d4),linear-gradient(90deg,transparent 0%,rgba(255,255,255,.7) 50%,transparent 100%);background-size:100% 100%,40% 100%;background-repeat:no-repeat;background-position:0 0,-150% 0;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;animation:logoShine 3s ease-in-out infinite}
@keyframes logoShine{0%{background-position:0 0,-150% 0}25%{background-position:0 0,250% 0}100%{background-position:0 0,250% 0}}
.nav{justify-self:center;display:flex;gap:4px}
.nav a{color:#475569;font-size:14px;font-weight:500;padding:8px 18px;border-radius:8px;transition:all .18s}
.nav a:hover{color:#2563eb;background:#eff6ff}
.nav a.active{color:#2563eb;background:#eff6ff;font-weight:600}
.header-right{justify-self:end}
.header-cta{display:inline-block;background:#2563eb;color:#fff;padding:8px 22px;border-radius:8px;font-size:13px;font-weight:600;box-shadow:0 4px 12px rgba(37,99,235,.28);transition:transform .15s,box-shadow .15s}
.header-cta:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(37,99,235,.38)}
@media(max-width:760px){.header-right{display:none}.nav{gap:0}.nav a{padding:7px 10px;font-size:13px}}

/* ---------- Hero 渐变区 ---------- */
.hero{position:relative;background:#2563eb;background-size:cover;background-position:center;color:#fff;padding:80px 0 120px;text-align:center;overflow:hidden}
.hero-deco{position:absolute;border-radius:50%;pointer-events:none}
.hero-deco-1{width:500px;height:500px;background:rgba(59,130,246,.15);top:-150px;left:-100px}
.hero-deco-2{width:400px;height:400px;background:rgba(59,130,246,.1);bottom:-100px;right:-80px}
.hero-inner{position:relative;z-index:1}
.hero h1{font-size:46px;margin:0 0 16px;font-weight:800;letter-spacing:1px}
.hero-sub{font-size:17px;color:#bfdbfe;margin:0 0 32px}
.hero-btns{display:flex;gap:14px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}
.hero-btn{display:inline-block;padding:13px 32px;border-radius:10px;font-size:15px;font-weight:600;transition:all .18s}
.hero-btn-primary{background:#fff;color:#2563eb;box-shadow:0 6px 18px rgba(0,0,0,.15)}
.hero-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.2);background:#f0f7ff}
.hero-btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(4px)}
.hero-btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5)}
.hero-badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.badge{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:7px 18px;border-radius:99px;font-size:13px;backdrop-filter:blur(4px)}

/* ---------- 通用区块标题（带装饰线） ---------- */
.block-title{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:8px}
.block-title h2{font-size:26px;margin:0;font-weight:800;color:#0f172a}
.block-title .line{width:50px;height:2px;background:#2563eb;border-radius:2px}
.block-title .line:last-child{background:#2563eb}
.block-desc{text-align:center;color:#64748b;font-size:14px;margin:0 0 36px}

/* ---------- 主题推荐（白色卡片浮出） ---------- */
.themes-wrap{margin-top:-56px;position:relative;z-index:2}
.themes-card{background:#fff;border-radius:20px;padding:40px 36px;box-shadow:0 12px 40px rgba(15,23,42,.08)}
.themes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:24px}
.theme-card{background:#fff;border:1px solid #e8ecf1;border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.theme-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(15,23,42,.1)}
.theme-cover{height:180px;display:flex;align-items:center;justify-content:center;color:#fff;position:relative;overflow:hidden}
.theme-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.15));pointer-events:none}
.theme-cover .initial{font-size:64px;font-weight:800;text-shadow:0 4px 16px rgba(0,0,0,.3);position:relative;z-index:1}
.theme-cover .ver{position:absolute;right:12px;top:12px;background:rgba(0,0,0,.4);backdrop-filter:blur(4px);font-size:12px;padding:4px 12px;border-radius:99px;z-index:2}
.theme-body{padding:20px 22px;flex:1;display:flex;flex-direction:column}
.theme-body h3{margin:0 0 6px;font-size:19px;color:#0f172a}
.theme-body .tagline{color:#64748b;font-size:13px;margin:0 0 12px}
.theme-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tag{font-size:11px;padding:3px 10px;border-radius:6px;font-weight:600}
.tag-blue{background:#eff6ff;color:#2563eb}
.tag-green{background:#f0fdf4;color:#16a34a}
.tag-orange{background:#fff7ed;color:#ea580c}
.price-row{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid #f1f5f9}
.price{font-size:24px;font-weight:800;color:#0f172a}
.price small{font-size:12px;color:#94a3b8;font-weight:400}
.empty{text-align:center;color:#94a3b8;padding:50px 0}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;padding:9px 22px;border-radius:9px;font-size:14px;font-weight:600;transition:all .15s;border:none;cursor:pointer}
.btn-primary{background:#2563eb;color:#fff;box-shadow:0 4px 12px rgba(37,99,235,.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(37,99,235,.35)}

/* ---------- 核心功能 ---------- */
.features-section{padding:70px 0}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.feat-card{background:#fff;border:1px solid #e8ecf1;border-radius:14px;padding:26px 24px;transition:all .2s}
.feat-card:hover{border-color:#bfdbfe;box-shadow:0 10px 26px rgba(37,99,235,.08);transform:translateY(-3px)}
.feat-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;background:#dbeafe}
.feat-card h3{margin:0 0 8px;font-size:16px;color:#0f172a}
.feat-card p{margin:0;color:#64748b;font-size:13px;line-height:1.7}

/* ---------- 购买流程 ---------- */
.steps-section{background:#fff;padding:70px 0}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.step-card{background:#f8fafc;border:1px solid #e8ecf1;border-radius:14px;padding:30px 26px;text-align:center;transition:all .2s;position:relative}
.step-card:hover{background:#fff;border-color:#bfdbfe;box-shadow:0 8px 22px rgba(37,99,235,.08)}
.step-num{width:44px;height:44px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin:0 auto 14px;box-shadow:0 4px 12px rgba(37,99,235,.3)}
.step-card h3{margin:0 0 8px;font-size:17px;color:#0f172a}
.step-card p{color:#64748b;font-size:13px;margin:0;line-height:1.7}

/* ---------- 联系客服 ---------- */
.contact-section{padding:70px 0}
.contact-card{background:#fff;border-radius:20px;padding:40px 36px;box-shadow:0 8px 30px rgba(15,23,42,.06);max-width:760px;margin:0 auto}
.contact-items{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.contact-items{grid-template-columns:1fr}}
.contact-item{display:flex;flex-direction:column;align-items:center;gap:6px;background:#f8fafc;border:1px solid #e8ecf1;border-radius:14px;padding:24px;transition:all .2s}
.contact-item:hover{border-color:#bfdbfe;background:#eff6ff;transform:translateY(-2px)}
.contact-icon{font-size:28px}
.contact-label{font-size:13px;color:#94a3b8}
.contact-value{font-size:17px;font-weight:700;color:#2563eb}

/* ---------- 详情页 ---------- */
.detail-hero{background:#1e40af;color:#fff;padding:48px 0 0}
.detail-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(290px,.8fr);gap:32px;align-items:start}
@media(max-width:820px){.detail-grid{grid-template-columns:1fr}}
.detail-cover{height:330px;border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;position:relative;overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.3)}
.detail-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.2));pointer-events:none}
.detail-cover .initial{font-size:116px;font-weight:800;text-shadow:0 6px 24px rgba(0,0,0,.4);position:relative;z-index:1}
.detail-cover .ver{position:absolute;right:16px;top:16px;background:rgba(0,0,0,.45);backdrop-filter:blur(4px);font-size:13px;padding:5px 15px;border-radius:99px;z-index:2}
.buy-card{background:#fff;color:#0f172a;border-radius:16px;padding:28px;box-shadow:0 14px 36px rgba(0,0,0,.2)}
.buy-card .t{font-size:26px;font-weight:800;margin:0 0 4px}
.buy-card .tag{color:#64748b;margin:0 0 18px;font-size:14px;background:none;padding:0}
.buy-card .price{font-size:36px;font-weight:800;color:#0f172a}
.buy-card .price small{font-size:14px;color:#94a3b8;font-weight:400}
.buy-card .list{list-style:none;padding:0;margin:18px 0;font-size:14px;color:#475569}
.buy-card .list li{padding:8px 0;border-bottom:1px dashed #f1f5f9}
.buy-card .list li:last-child{border-bottom:none}
.btn-buy{display:block;text-align:center;background:#2563eb;color:#fff;padding:15px;border-radius:11px;font-size:17px;font-weight:700;margin-top:8px;box-shadow:0 6px 16px rgba(37,99,235,.3);transition:transform .15s}
.btn-buy:hover{transform:translateY(-1px)}
.btn-qq{display:block;text-align:center;background:#f1f5f9;color:#0f172a;padding:13px;border-radius:11px;font-size:14px;font-weight:600;margin-top:10px;transition:background .15s}
.btn-qq:hover{background:#e2e8f0}
.desc-box{background:#fff;border:1px solid #e8ecf1;border-radius:16px;padding:30px;margin-top:28px}
.desc-box h2{font-size:20px;margin:0 0 14px;color:#0f172a}
.desc-content{color:#334155;font-size:15px;line-height:1.9}
.desc-content img{max-width:100%;border-radius:8px;margin:10px 0;display:block}
.desc-box p{color:#334155;font-size:15px;line-height:1.9;margin:0;white-space:pre-line}
.feat-grid-detail{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin-top:8px}
.feat-item{background:#f8fafc;border:1px solid #e8ecf1;border-radius:10px;padding:13px 16px;font-size:14px;color:#334155;display:flex;gap:8px;align-items:flex-start;transition:all .15s}
.feat-item:hover{background:#eff6ff;border-color:#bfdbfe}
.feat-item::before{content:"✓";color:#16a34a;font-weight:800;flex:0 0 auto}

/* ---------- 下单页 ---------- */
.buy-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(310px,.8fr);gap:28px;align-items:start;padding:36px 0 64px}
@media(max-width:820px){.buy-layout{grid-template-columns:1fr}}
.form-card{background:#fff;border:1px solid #e8ecf1;border-radius:16px;padding:30px}
.form-card h1{font-size:24px;margin:0 0 6px;color:#0f172a}
.form-card .sub{color:#64748b;font-size:14px;margin:0 0 24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:#334155}
.field label .opt{color:#94a3b8;font-weight:400;font-size:12px}
.field input,.field textarea{width:100%;box-sizing:border-box;padding:12px 15px;border:1px solid #cbd5e1;border-radius:10px;font-size:15px;font-family:inherit;transition:border-color .15s,box-shadow .15s;background:#fff}
.field input:focus,.field textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.field textarea{min-height:74px;resize:vertical}
.submit-btn{width:100%;background:#2563eb;color:#fff;border:0;padding:15px;border-radius:11px;font-size:17px;font-weight:700;cursor:pointer;box-shadow:0 6px 16px rgba(37,99,235,.25);transition:transform .15s}
.submit-btn:hover{transform:translateY(-1px)}
.summary{background:#fff;border:1px solid #e8ecf1;border-radius:16px;padding:26px;position:sticky;top:84px}
.summary h3{margin:0 0 16px;font-size:16px;color:#0f172a}
.summary-row{display:flex;justify-content:space-between;font-size:14px;padding:9px 0;border-bottom:1px dashed #f1f5f9}
.summary-row span{color:#64748b}
.summary-row b{color:#0f172a}
.summary .total{margin-top:16px;text-align:right}
.summary .total .price{font-size:30px;font-weight:800;color:#dc2626}
.tip{background:#eff6ff;border:1px solid #bfdbfe;border-radius:10px;padding:13px 16px;font-size:13px;color:#1e40af;margin-top:16px;line-height:1.8}

/* ---------- 订单成功页 ---------- */
.ok-card{max-width:640px;margin:56px auto;background:#fff;border:1px solid #e8ecf1;border-radius:18px;padding:44px;text-align:center;box-shadow:0 14px 36px rgba(15,23,42,.07)}
.ok-icon{width:76px;height:76px;border-radius:50%;background:#d1fae5;color:#059669;font-size:40px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;border:2px solid #a7f3d0}
.ok-card h1{font-size:25px;margin:0 0 8px;color:#0f172a}
.ok-card .sub{color:#64748b;margin:0 0 24px;font-size:14px}
.order-no{background:#f8fafc;border:2px dashed #cbd5e1;border-radius:12px;padding:18px;font-size:27px;font-weight:800;letter-spacing:2px;color:#0f172a;margin:0 0 24px;font-family:Consolas,monospace}
.info-list{text-align:left;background:#f8fafc;border-radius:12px;padding:20px 24px;font-size:14px;color:#475569;line-height:2.1}
.info-list b{color:#0f172a}
.contact-btn{display:inline-block;background:#0e7490;color:#fff;padding:13px 36px;border-radius:11px;font-size:15px;font-weight:700;margin-top:22px;box-shadow:0 6px 14px rgba(14,116,144,.25);transition:transform .15s}
.contact-btn:hover{transform:translateY(-1px)}
.tip-box{background:#eff6ff;border:1px solid #bfdbfe;border-radius:12px;padding:16px 20px;font-size:13px;color:#1e40af;margin-top:24px;text-align:left;line-height:1.9}

/* ---------- 页脚 ---------- */
.site-footer{background:#0c1e4a;color:#94a3b8;padding:44px 0 22px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;padding-bottom:28px;border-bottom:1px solid #1e3a8a}
.site-footer h4{color:#e2e8f0;margin:0 0 12px;font-size:15px}
.site-footer p{font-size:13px;margin:5px 0;line-height:1.8}
.site-footer a{color:#7dd3fc}
.site-footer a:hover{color:#bae6fd}
.muted{color:#94a3b8}
.copyright{text-align:center;font-size:12px;padding-top:20px;color:#64748b}