:root{
  --green:#1E73E8; --green-d:#1350B5; --green-l:#E8F1FD;
  --ink:#23292B; --gray:#5B6664; --bg:#F7F9F8; --line:#E2E8E5;
  --radius:16px; --shadow:0 6px 22px rgba(19,80,181,.08); --shadow-h:0 12px 30px rgba(19,80,181,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8}
a{color:var(--green-d);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}

/* ===== 导航 ===== */
.nav{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav .wrap{max-width:1000px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:800;color:var(--green-d);font-size:16px}
.nav .links a{color:var(--ink);margin-left:18px;font-size:14px}
.nav .links a:hover{color:var(--green-d)}
.nav > .wrap > a{color:var(--ink);margin-left:32px;font-size:14px;font-weight:600}
.nav > .wrap > a:hover{color:var(--green-d)}

/* ===== Hero（图文两栏 + 装饰） ===== */
.hero{position:relative;background:linear-gradient(135deg,var(--green-d),var(--green));color:#fff;padding:54px 0 48px;overflow:hidden}
.hero:before{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%)}
.hero:after{content:"";position:absolute;left:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.10),transparent 70%)}
.hero .wrap{position:relative;z-index:2;max-width:1000px;display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.badge{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);padding:4px 14px;border-radius:999px;font-size:13px;margin-bottom:14px}
.hero h1{font-size:30px;font-weight:800;line-height:1.35}
.hero p{margin-top:14px;font-size:16px;opacity:.95;max-width:680px}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:18px;box-shadow:0 18px 40px rgba(0,0,0,.28);border:4px solid rgba(255,255,255,.85)}

/* ===== 通用区块 ===== */
.section{padding:42px 0;border-bottom:1px solid var(--line);position:relative}
.section.alt{background:#fff}
.section h2{font-size:21px;margin-bottom:14px;color:var(--green-d);position:relative;padding-left:14px}
.section h2:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;background:var(--green);border-radius:3px}
.lead{font-size:16px;color:var(--gray);margin-bottom:20px}

/* ===== 图标卡片 ===== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.22s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--green-l)}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--green-l);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.card .ic svg{width:26px;height:26px;stroke:var(--green-d);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:16px;margin-bottom:6px}
.card p{font-size:14px;color:var(--gray)}
.card .more{display:inline-block;margin-top:10px;font-weight:700;color:var(--green-d)}

/* ===== 图片通用 ===== */
.phimg{width:100%;border-radius:14px;box-shadow:var(--shadow);border:1px solid var(--line);display:block}
.phimg.cap{margin:18px 0}
.phimg-sm{max-width:720px;margin:0 auto;width:100%}

/* ===== 场景图文交错 ===== */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;margin:26px 0}
.scene.rev{direction:rtl}
.scene.rev > *{direction:ltr}
.scene .txt h3{font-size:18px;color:var(--green-d);margin-bottom:8px}
.scene .txt p{font-size:15px;color:var(--gray)}

/* ===== 场景图集 ===== */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.gallery .phimg{height:170px;object-fit:cover}

/* ===== 规格 / 表格 / 标签 ===== */
.grid5{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:16px}
.grid5 .item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.grid5 .k{font-size:13px;color:var(--gray)}
.grid5 .v{font-size:15px;font-weight:700;margin-top:4px}
.note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:10px;padding:14px 16px;font-size:14px;color:var(--gray);margin:14px 0}
.note b{color:var(--ink)}
.callout{background:var(--green-l);border:1px solid var(--green);border-radius:12px;padding:16px 18px;margin:18px 0}
.callout .t{font-weight:800;color:var(--green-d);margin-bottom:6px}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14px;margin-top:16px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--green-l);color:var(--green-d);font-weight:700}
tr:last-child td{border-bottom:none}
.pill{display:inline-block;background:var(--green-l);color:var(--green-d);font-size:12px;padding:3px 10px;border-radius:999px;margin-right:6px}
.pill.bad{background:#FDECEC;color:#B42318}

/* ===== FAQ / 相关 ===== */
.faq .q{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.faq .q b{color:var(--green-d)}
.related{background:#fff;border-radius:14px;border:1px solid var(--line);padding:22px;margin-top:8px}
.related h3{font-size:16px;margin-bottom:12px;color:var(--green-d)}
.related ul{list-style:none;padding:0}
.related li{margin:10px 0;padding-left:14px;position:relative}
.related li:before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--green)}
.related a{font-weight:600}
.meta{font-size:13px;color:var(--gray);margin-bottom:10px}
.breadcrumb{font-size:13px;color:var(--gray);padding:18px 0 0}
.breadcrumb a{color:var(--gray)}
.prose p{margin:14px 0}
.prose h3{font-size:17px;margin:24px 0 8px;color:var(--green-d)}

/* ===== CTA ===== */
.cta{background:linear-gradient(135deg,var(--green-d),var(--green));color:#fff;text-align:center;padding:46px 20px;margin-top:36px;position:relative;overflow:hidden}
.cta:before{content:"";position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%)}
.cta h2{color:#fff}
.cta p{opacity:.95;max-width:640px;margin:0 auto}
.cta .btn{display:inline-block;background:#fff;color:var(--green-d);font-weight:800;padding:13px 32px;border-radius:999px;margin-top:16px;font-size:16px;transition:.2s}
.cta .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.2);text-decoration:none}

/* ===== 文章页 Hero ===== */
.article-hero{background:linear-gradient(135deg,var(--green-d),var(--green));color:#fff;padding:34px 0}
.article-hero .wrap{max-width:1000px;display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:center}
.article-hero h1{font-size:24px;font-weight:800;line-height:1.4}
.article-hero p{margin-top:10px;font-size:15px;opacity:.95}
.article-hero img{width:100%;border-radius:14px;border:3px solid rgba(255,255,255,.85);box-shadow:0 12px 28px rgba(0,0,0,.25)}

/* ===== 页脚 ===== */
.footer{background:#fff;color:var(--gray);font-size:13px;padding:28px 20px;text-align:center;border-top:1px solid var(--line)}
.footer .wrap{text-align:left;max-width:1000px}
.footer p{margin:7px 0;line-height:1.7}
.footer b{color:var(--ink)}
.footer .icp{margin-top:12px;font-weight:700;color:var(--green-d)}
.footer .src{font-size:12px;opacity:.85;margin-top:6px}

/* ===== 响应式 ===== */
@media(max-width:760px){
  .hero .wrap{grid-template-columns:1fr;gap:22px}
  .hero-media{order:-1}
  .scene{grid-template-columns:1fr;gap:14px}
  .scene.rev{direction:ltr}
  .article-hero .wrap{grid-template-columns:1fr;gap:16px}
  .nav .links{display:none}
  .hero h1{font-size:25px}
}

/* ===== 区域适配点链接 ===== */
.region-links{list-style:none;padding:0;margin:10px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.region-links li a{display:block;background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:12px;padding:14px 16px;font-weight:700;color:var(--green-d);font-size:15px;transition:.22s}
.region-links li a:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);text-decoration:none;border-color:var(--green-l)}

/* ===== 穿戴步骤图组（2026-09-18） ===== */
.stepgallery{margin:18px 0 22px}
.stepgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stepitem{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.stepitem img{width:100%;height:auto;display:block;background:#fff}
.stepitem figcaption{font-size:13px;color:var(--gray);padding:9px 12px;border-top:1px solid var(--line);line-height:1.6}
.stepgallery>figcaption{font-size:13px;color:var(--gray);margin-top:12px;line-height:1.75}
@media(max-width:560px){.stepgrid{grid-template-columns:1fr}}