/* ============ 西玛电机官网 CMS 前台样式 ============ */
:root{
  --primary:#0A6CFF;--primary-2:#2E8BFF;--cyan:#00D4FF;--navy:#071426;--navy-2:#0B1F3A;
  --ink:#12233F;--gray:#5B6B85;--light:#F4F8FF;--line:#E3ECFA;--white:#fff;
  --radius:16px;--shadow:0 16px 48px rgba(7,20,38,.12);
  --grad:linear-gradient(120deg,var(--primary) 0%,var(--cyan) 100%);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Manrope","Segoe UI",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:88px 0}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--primary);margin-bottom:14px}
.kicker::before,.kicker::after{content:"";width:24px;height:2px;background:var(--grad);border-radius:2px}
.section-head h2{font-size:clamp(26px,4vw,40px);font-weight:800;line-height:1.25}
.section-head p{margin-top:14px;color:var(--gray);font-size:16px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;transition:.25s;border:none;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(10,108,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(10,108,255,.45)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}

/* ===== Header ===== */
header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.3s;padding:18px 0;background:transparent}
header.scrolled{background:rgba(255,255,255,.93);backdrop-filter:blur(14px);box-shadow:0 4px 24px rgba(7,20,38,.08);padding:12px 0}
.nav-wrap{display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:44px;height:44px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(10,108,255,.4)}
.brand-mark svg{width:26px;height:26px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:800;color:var(--white);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand-text small{font-size:10px;letter-spacing:.22em;color:rgba(255,255,255,.75);font-weight:600}
header.scrolled .brand-text b{color:var(--ink)}
header.scrolled .brand-text small{color:var(--gray)}
nav{display:flex;gap:4px;margin:0 auto}
nav a{position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:rgba(255,255,255,.9);border-radius:10px;transition:.2s}
header.scrolled nav a{color:var(--ink)}
nav a:hover,nav a.active{color:var(--cyan)}
header.scrolled nav a.active{color:var(--primary)}
nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--grad);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:.25s}
nav a:hover::after,nav a.active::after{transform:scaleX(1)}
.nav-side{display:flex;align-items:center;gap:14px;flex-shrink:0}
.lang-switch{display:flex;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:3px}
header.scrolled .lang-switch{background:var(--light);border-color:var(--line)}
.lang-switch a{padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;color:rgba(255,255,255,.85);transition:.2s}
header.scrolled .lang-switch a{color:var(--gray)}
.lang-switch a.active{background:var(--grad);color:#fff;box-shadow:0 4px 12px rgba(10,108,255,.35)}
.header-cta{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700;font-size:14px;box-shadow:0 6px 18px rgba(10,108,255,.35)}
.header-cta:hover{transform:translateY(-2px)}
.hamburger{display:none;background:none;border:none;cursor:pointer;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.hamburger span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}
header.scrolled .hamburger span{background:var(--ink)}
.mobile-menu{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:var(--navy);z-index:1100;padding:90px 28px 40px;transition:.35s;display:flex;flex-direction:column;gap:6px}
.mobile-menu.open{right:0}
.mobile-menu a{color:rgba(255,255,255,.9);padding:13px 16px;border-radius:12px;font-weight:600;font-size:16px}
.mobile-menu a:hover{background:rgba(255,255,255,.08);color:var(--cyan)}
.mobile-close{position:absolute;top:24px;right:24px;background:none;border:none;color:#fff;font-size:28px;cursor:pointer}

/* ===== Hero ===== */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;background:var(--navy);overflow:hidden;padding:140px 0 80px}
.hero-bg{position:absolute;inset:0;background:url('/uploads/hero.jpg') center/cover no-repeat;opacity:.5}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(7,20,38,.92) 0%,rgba(7,20,38,.7) 45%,rgba(10,60,140,.35) 100%)}
.hero-glow{position:absolute;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(0,150,255,.28) 0%,transparent 70%);top:-160px;right:-120px;filter:blur(20px)}
.hero-glow2{position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.2) 0%,transparent 70%);bottom:-120px;left:-80px}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:999px;background:rgba(0,180,255,.14);border:1px solid rgba(0,200,255,.4);color:#9FE6FF;font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:24px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(0,212,255,.2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(0,212,255,.2)}50%{box-shadow:0 0 0 8px rgba(0,212,255,.1)}}
.hero h1{font-size:clamp(34px,6vw,62px);font-weight:800;line-height:1.15;color:#fff;letter-spacing:-.01em;margin-bottom:22px}
.hero h1 .grad-text{display:block}
.hero p.sub{font-size:clamp(16px,2vw,19px);color:rgba(230,240,255,.85);max-width:620px;margin-bottom:36px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:68px;padding-top:34px;border-top:1px solid rgba(255,255,255,.14)}
.hstat{text-align:center}
.hstat b{display:block;font-size:clamp(22px,3vw,32px);font-weight:800;color:#fff}
.hstat b i{font-style:normal;color:var(--cyan)}
.hstat span{font-size:13px;color:rgba(220,232,255,.65)}

/* ===== 子页横幅 ===== */
.page-hero{position:relative;background:var(--navy);padding:170px 0 70px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(7,20,38,.9),rgba(10,60,140,.5))}
.page-hero h1{position:relative;color:#fff;font-size:clamp(28px,4.5vw,44px);font-weight:800}
.page-hero p{position:relative;color:rgba(220,232,255,.75);margin-top:10px}
.crumbs{position:relative;margin-top:18px;font-size:13.5px;color:rgba(220,232,255,.6)}
.crumbs a:hover{color:var(--cyan)}

/* ===== About 首页区块 ===== */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:20px;box-shadow:var(--shadow);width:100%;height:460px;object-fit:cover}
.about-card{position:absolute;bottom:-28px;left:-28px;background:var(--grad);color:#fff;border-radius:18px;padding:22px 28px;box-shadow:0 20px 48px rgba(10,108,255,.4)}
.about-card b{font-size:34px;font-weight:800;display:block;line-height:1.1}
.about-card span{font-size:13px;opacity:.9}
.about-text h2{font-size:clamp(26px,3.5vw,38px);font-weight:800;line-height:1.3;margin-bottom:20px}
.about-text p{color:var(--gray);margin-bottom:16px;font-size:15.5px;white-space:pre-line}
.about-points{margin:24px 0 30px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.apoint{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14.5px}
.apoint svg{width:20px;height:20px;flex-shrink:0;color:var(--primary)}

/* ===== 时间线 ===== */
.milestones{background:var(--light)}
.timeline{position:relative;max-width:880px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--line);transform:translateX(-50%)}
.tl-item{position:relative;width:50%;padding:0 44px 44px}
.tl-item:nth-child(odd){left:0;text-align:right}
.tl-item:nth-child(even){left:50%;text-align:left}
.tl-dot{position:absolute;top:4px;width:16px;height:16px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 6px rgba(10,108,255,.14)}
.tl-item:nth-child(odd) .tl-dot{right:-8px}
.tl-item:nth-child(even) .tl-dot{left:-8px}
.tl-year{font-size:26px;font-weight:800;color:var(--primary)}
.tl-item h4{font-size:18px;margin:4px 0}
.tl-item p{color:var(--gray);font-size:14px}

/* ===== 优势 ===== */
.strengths{background:var(--navy);position:relative;overflow:hidden}
.strengths .section-head h2{color:#fff}
.strengths .section-head p{color:rgba(220,232,255,.65)}
.strengths .kicker{color:var(--cyan)}
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.scard{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:32px 26px;transition:.3s}
.scard:hover{transform:translateY(-8px);background:rgba(255,255,255,.07);border-color:rgba(0,180,255,.4)}
.scard .ico{width:54px;height:54px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 10px 24px rgba(10,108,255,.4)}
.scard .ico svg{width:27px;height:27px;color:#fff}
.scard h3{color:#fff;font-size:18px;margin-bottom:10px}
.scard p{color:rgba(215,228,250,.65);font-size:14px}

/* ===== 产品 ===== */
.products{background:var(--white)}
.prod-toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:30px}
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px}
.cat-tab{padding:9px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--gray);font-weight:600;font-size:14px;cursor:pointer;transition:.2s}
.cat-tab:hover{border-color:var(--primary);color:var(--primary)}
.cat-tab.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(10,108,255,.3)}
.search-box{position:relative;min-width:280px;flex:0 0 auto}
.search-box input{width:100%;padding:12px 18px 12px 44px;border-radius:999px;border:1.5px solid var(--line);font-size:14px;font-family:inherit;outline:none;transition:.2s;background:var(--light)}
.search-box input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(10,108,255,.1)}
.search-box svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--gray)}
.prod-count{text-align:right;font-size:14px;color:var(--gray);margin-bottom:18px}
.prod-count b{color:var(--primary)}
.series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;transition:.28s;position:relative;overflow:hidden;display:flex;flex-direction:column}
.pcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:0;transition:.28s}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.pcard:hover::before{opacity:1}
.pcard .tagrow{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.pcat{font-size:11.5px;font-weight:700;padding:4px 12px;border-radius:999px;background:rgba(10,108,255,.1);color:var(--primary)}
.pcount{font-size:12px;color:var(--gray)}
.pcard h3{font-size:19px;font-weight:800;margin-bottom:8px}
.pcard .desc{font-size:13.5px;color:var(--gray);flex:1;margin-bottom:16px}
.pspec{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.pspec span{font-size:12.5px;font-weight:600;background:var(--light);border:1px solid var(--line);padding:5px 12px;border-radius:8px}
.pspec span b{color:var(--primary)}
.pcard .pmore{color:var(--primary);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.model-results{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
.model-results table{width:100%;border-collapse:collapse;min-width:560px}
.model-results th{background:var(--navy);color:#fff;text-align:left;padding:14px 20px;font-size:13.5px;font-weight:700}
.model-results td{padding:12px 20px;border-bottom:1px solid var(--line);font-size:14px}
.model-results tr:last-child td{border-bottom:none}
.model-results tr:hover td{background:var(--light)}
.model-results td b{color:var(--primary)}
.empty-hint{text-align:center;padding:60px 20px;color:var(--gray)}
.featured{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}
.fcard{position:relative;border-radius:20px;overflow:hidden;height:250px;display:flex;align-items:flex-end}
.fcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s}
.fcard:hover img{transform:scale(1.06)}
.fcard .fmask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,20,38,0) 30%,rgba(7,20,38,.9) 100%)}
.fcard .fbody{position:relative;z-index:2;padding:26px;color:#fff}
.fcard h3{font-size:22px;margin-bottom:6px}
.fcard p{font-size:14px;color:rgba(230,240,255,.85)}

/* ===== 应用 ===== */
.apps{background:var(--light)}
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.acard{background:#fff;border-radius:16px;padding:32px 26px;text-align:center;border:1px solid var(--line);transition:.28s}
.acard:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.acard .ico{width:62px;height:62px;margin:0 auto 18px;border-radius:16px;background:var(--light);display:flex;align-items:center;justify-content:center;transition:.28s}
.acard:hover .ico{background:var(--grad)}
.acard .ico svg{width:30px;height:30px;color:var(--primary);transition:.28s}
.acard:hover .ico svg{color:#fff}
.acard h3{font-size:18px;margin-bottom:6px}
.acard p{font-size:13.5px;color:var(--gray)}

/* ===== 品质 ===== */
.quality{background:var(--white)}
.quality-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cert{background:var(--light);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;gap:16px;align-items:flex-start;transition:.25s}
.cert:hover{border-color:var(--primary);background:#fff;box-shadow:var(--shadow)}
.cert .ico{width:44px;height:44px;flex-shrink:0;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center}
.cert .ico svg{width:22px;height:22px;color:#fff}
.cert b{font-size:15.5px;display:block;margin-bottom:4px}
.cert span{font-size:12.5px;color:var(--gray)}
.quality-text h2{font-size:clamp(26px,3.5vw,38px);font-weight:800;margin-bottom:18px}
.quality-text p{color:var(--gray);margin-bottom:16px}

/* ===== 新闻 ===== */
.news{background:var(--light)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);transition:.28s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.ncard .nimg{height:170px;background:var(--navy-2);position:relative;display:flex;align-items:center;justify-content:center}
.ncard .nimg svg{width:52px;height:52px;color:var(--cyan);opacity:.9}
.ncard .nbody{padding:24px;flex:1;display:flex;flex-direction:column}
.ncard .nmeta{display:flex;gap:12px;align-items:center;font-size:12.5px;margin-bottom:12px}
.ncard .ntag{padding:3px 12px;border-radius:999px;background:rgba(10,108,255,.1);color:var(--primary);font-weight:700}
.ncard .ndate{color:var(--gray)}
.ncard h3{font-size:17px;line-height:1.5;margin-bottom:10px;flex:1}
.ncard .nmore{color:var(--primary);font-weight:700;font-size:14px}

/* ===== 新闻列表页 ===== */
.news-list{background:var(--light);min-height:60vh}
.nlist-item{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 26px;margin-bottom:16px;transition:.25s;align-items:flex-start}
.nlist-item:hover{box-shadow:var(--shadow);border-color:transparent;transform:translateY(-3px)}
.nlist-item .n-date{flex-shrink:0;text-align:center;background:var(--light);border:1px solid var(--line);border-radius:12px;padding:12px 16px;min-width:78px}
.nlist-item .n-date b{display:block;font-size:22px;color:var(--primary);line-height:1.2}
.nlist-item .n-date span{font-size:12px;color:var(--gray)}
.nlist-item h3{font-size:18px;margin-bottom:6px;transition:.2s}
.nlist-item:hover h3{color:var(--primary)}
.nlist-item .n-sum{color:var(--gray);font-size:14px}
.nlist-item .n-meta{font-size:12.5px;color:var(--gray);margin-bottom:6px}
.nlist-item .n-meta span{margin-right:14px}

/* ===== 分页 ===== */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--gray);transition:.2s}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .cur{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(10,108,255,.3)}
.pagination .ellipsis{border:none;background:none}

/* ===== 产品详情 ===== */
.pdetail{background:var(--white)}
.pdetail-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.pd-img{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--light);min-height:320px;display:flex;align-items:center;justify-content:center}
.pd-img img{width:100%;height:auto;min-height:320px;object-fit:cover}
.pd-img .noimg{color:var(--gray);font-size:15px;padding:60px}
.pd-info h1{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:6px}
.pd-cat{display:inline-block;font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:999px;background:rgba(10,108,255,.1);color:var(--primary);margin-bottom:18px}
.pd-desc{color:var(--gray);font-size:15px;margin-bottom:22px}
.pd-spec{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.pd-spec .ps{background:var(--light);border:1px solid var(--line);border-radius:12px;padding:12px 20px;text-align:center}
.pd-spec .ps b{display:block;font-size:20px;color:var(--primary)}
.pd-spec .ps span{font-size:12.5px;color:var(--gray)}
.pd-cta{display:flex;gap:14px;flex-wrap:wrap}
.panel{background:var(--light);border:1px solid var(--line);border-radius:18px;padding:28px 30px;margin-bottom:26px}
.panel h3{font-size:19px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.panel h3::before{content:"";width:5px;height:20px;border-radius:3px;background:var(--grad)}
.panel p{color:var(--gray);font-size:14.5px;white-space:pre-line}
.param-table{width:100%;border-collapse:collapse}
.param-table td{border:1px solid var(--line);padding:11px 16px;font-size:14px}
.param-table td:first-child{background:var(--light);font-weight:700;width:120px;color:var(--ink)}
.param-table tr:nth-child(odd) td:first-child{background:#EAF1FC}
.feat-list{list-style:none}
.feat-list li{position:relative;padding:8px 0 8px 30px;color:var(--gray);font-size:14.5px}
.feat-list li::before{content:"✓";position:absolute;left:4px;color:var(--primary);font-weight:800}

/* ===== 文章页 ===== */
.article{background:var(--light);min-height:60vh}
.article-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:44px 52px;max-width:900px;margin:0 auto}
.article-box h1{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.4;margin-bottom:14px}
.art-meta{display:flex;gap:18px;color:var(--gray);font-size:13px;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:26px;flex-wrap:wrap}
.art-body{font-size:15.5px;line-height:1.95;color:#26324A}
.art-body p{margin-bottom:18px}
.art-body img{max-width:100%;border-radius:12px;margin:10px 0}
.art-body h2,.art-body h3{margin:22px 0 12px}
.art-pn{display:flex;justify-content:space-between;gap:20px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--gray)}
.art-pn a{color:var(--primary);font-weight:600}
.art-pn a:hover{text-decoration:underline}

/* ===== 联系 ===== */
.contact{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.contact .section-head h2{color:#fff}
.contact .section-head p{color:rgba(220,232,255,.65)}
.contact .kicker{color:var(--cyan)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;position:relative;z-index:2}
.cinfo-item{display:flex;gap:18px;margin-bottom:28px}
.cinfo-item .ico{width:52px;height:52px;flex-shrink:0;border-radius:14px;background:rgba(0,180,255,.14);border:1px solid rgba(0,200,255,.35);display:flex;align-items:center;justify-content:center}
.cinfo-item .ico svg{width:24px;height:24px;color:var(--cyan)}
.cinfo-item b{font-size:16px;display:block;margin-bottom:3px}
.cinfo-item span{color:rgba(220,232,255,.7);font-size:14.5px}
.cform{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:34px;backdrop-filter:blur(6px)}
.cform h3{font-size:20px;margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.cform input,.cform textarea{width:100%;padding:14px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#fff;font-family:inherit;font-size:14px;outline:none;transition:.2s;resize:vertical}
.cform input::placeholder,.cform textarea::placeholder{color:rgba(220,232,255,.45)}
.cform input:focus,.cform textarea:focus{border-color:var(--cyan);background:rgba(255,255,255,.1)}
.cform .full{margin-bottom:16px}

/* ===== 404 ===== */
.notfound{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:120px 24px 60px}
.notfound .code{font-size:110px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.notfound p{color:var(--gray);margin:16px 0 26px}

/* ===== Footer ===== */
footer{background:#050D19;color:rgba(215,228,250,.75);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:50px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-brand p{font-size:14px;margin:16px 0;max-width:320px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(215,228,250,.7);transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-contact div{display:flex;gap:10px;margin-bottom:12px;font-size:14px;align-items:flex-start}
.footer-contact svg{width:17px;height:17px;color:var(--cyan);flex-shrink:0;margin-top:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:22px 0;text-align:center;font-size:13px;color:rgba(215,228,250,.5)}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .strength-grid{grid-template-columns:repeat(2,1fr)}
  .series-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:26px}
  .about-grid,.quality-grid,.contact-grid,.pdetail-wrap{grid-template-columns:1fr;gap:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  nav{display:none}
  .hamburger{display:flex}
  .article-box{padding:34px 26px}
}
@media (max-width:680px){
  section{padding:60px 0}
  .hero{padding:120px 0 60px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-cta .btn{width:100%;justify-content:center}
  .series-grid,.app-grid,.news-grid,.strength-grid,.featured{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .timeline::before{left:8px}
  .tl-item{width:100%;left:0!important;text-align:left!important;padding:0 0 36px 40px}
  .tl-item .tl-dot{left:0!important;right:auto!important}
  .about-card{left:16px;bottom:-20px}
  .about-points{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
  .prod-toolbar{flex-direction:column;align-items:stretch}
  .search-box{min-width:auto;width:100%}
  .header-cta{display:none}
  .footer-grid{grid-template-columns:1fr}
  .brand-text small{display:none}
  .nlist-item{flex-direction:column}
  .nlist-item .n-date{display:flex;gap:6px;align-items:baseline;min-width:auto;padding:8px 14px}
  .page-hero{padding:140px 0 54px}
  .art-pn{flex-direction:column}
}

/* ===== AI 智能选型 ===== */
.selector{background:var(--light);min-height:60vh}
.sel-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow);max-width:900px;margin:0 auto}
.sel-form{display:flex;flex-direction:column;gap:18px}
.sel-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.sel-field{display:flex;flex-direction:column;gap:8px}
.sel-field label{font-size:13.5px;font-weight:700;color:var(--ink)}
.sel-field input,.sel-field select{padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;outline:none;background:#fff;transition:.2s}
.sel-field input:focus,.sel-field select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(10,108,255,.1)}
.sel-loading{text-align:center;padding:60px 0;color:var(--primary);font-weight:700;font-size:16px}
.sel-results{max-width:900px;margin:0 auto}
.sel-result-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 30px;margin-bottom:18px;box-shadow:0 10px 30px rgba(7,20,38,.06);position:relative;overflow:hidden}
.sel-result-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad)}
.sel-r-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:10px}
.sel-r-top h3{font-size:21px;font-weight:800}
.sel-score{background:var(--grad);color:#fff;border-radius:999px;padding:5px 16px;font-size:12.5px;font-weight:700;flex-shrink:0}
.sel-r-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.sel-r-tags span{font-size:12px;font-weight:700;background:var(--light);border:1px solid var(--line);padding:4px 12px;border-radius:999px;color:var(--gray)}
.sel-r-reason{font-size:13.5px;color:var(--gray);margin-bottom:14px}
.sel-r-models{border-top:1px dashed var(--line);padding-top:14px}
.sel-r-models b{font-size:13.5px;color:var(--ink);display:block;margin-bottom:8px}
.sel-m-tags{display:flex;gap:8px;flex-wrap:wrap}
.sel-m-tags span{font-size:13px;font-weight:600;background:rgba(10,108,255,.07);border:1px solid rgba(10,108,255,.2);color:var(--primary);padding:6px 14px;border-radius:999px}
.sel-m-tags i{font-style:normal;color:var(--gray);font-weight:500;margin-left:6px}
.sel-tip{text-align:center;color:var(--gray);font-size:13px;max-width:760px;margin:26px auto 0}
@media (max-width:680px){
  .sel-row{grid-template-columns:1fr}
  .sel-card{padding:22px}
}

/* ===== FAQ（GEO 友好）===== */
.faq-section{background:var(--light);padding-top:80px}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.faq-item:hover{border-color:var(--primary)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{color:var(--primary)}
.faq-icon{width:26px;height:26px;border-radius:50%;background:var(--light);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:400;flex-shrink:0;transition:.25s}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{padding:0 22px 18px;color:var(--gray);font-size:14.5px;line-height:1.9}

/* ===== 选型结果页提示链接 ===== */
.sel-page-link{background:rgba(10,108,255,.07);border:1px dashed rgba(10,108,255,.4);border-radius:12px;padding:12px 18px;margin-bottom:18px;font-size:14px;font-weight:600}
.sel-page-link a{color:var(--primary);display:inline-flex;align-items:center;gap:8px}
.sel-page-link a:hover{text-decoration:underline}
/* ===== 选型结果静态页附加样式 ===== */
.sel-card .sel-criteria{display:flex;gap:10px;flex-wrap:wrap}
.sel-criteria .sel-r-tags{padding:0;border:none;background:none}
.sel-criteria .sel-r-tags b{color:var(--gray)}
.sel-m-tags-item{display:inline-block;font-size:13px;font-weight:600;background:rgba(10,108,255,.07);border:1px solid rgba(10,108,255,.2);color:var(--primary);padding:6px 14px;border-radius:999px;margin:0 8px 8px 0}
.sel-m-tags-item i{font-style:normal;color:var(--gray);font-weight:500;margin-left:6px}

/* ===== 后台配置 LOGO ===== */
.brand-mark .brand-logo{width:44px;height:44px;object-fit:contain;border-radius:8px}
.brand-mark img.brand-logo.light-hide{display:block}
.brand-mark img.brand-logo.dark-only{display:none}
header.scrolled .brand-mark img.brand-logo.light-hide{display:none}
header.scrolled .brand-mark img.brand-logo.dark-only{display:block}
footer .brand-mark .brand-logo{width:40px;height:40px}
@media (max-width:680px){
  .brand-mark .brand-logo{width:38px;height:38px}
}