* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #1565c0;
  --primary-dark: #0d47a1;
  --primary-light: #e8f4fd;
  --ink: #222;
  --text: #555;
  --bg: #f5f5f5;
  --border: #e8e8e8;
  --max: 1200px;
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif; background: var(--bg); color: var(--ink); line-height: 1.6; }
/* 主å¹å */
.ny_ww { max-width: var(--max); margin: 0 auto; padding: 40px 20px; }
.page-title { font-size: 32px; font-weight: 700; color: var(--ink); margin-bottom: 14px; }
.lead { font-size: 16px; color: var(--text); margin-bottom: 30px; line-height: 2; }

/* ¢åå± */
.breadcrumb { font-size: 13px; color: #888; margin-bottom: 16px; }
.breadcrumb a { color: var(--primary); text-decoration: none; }

/* ¡å¥å£ç */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 50px; }
.service-card { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 26px 28px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; transition: all .2s; text-decoration: none; color: var(--ink); }
.service-card:hover { border-color: var(--primary); box-shadow: 0 6px 18px rgba(21,101,192,0.12); transform: translateY(-3px); }
.service-card .text { font-size: 17px; font-weight: 500; }
.service-card .arrow { color: #999; font-size: 20px; transition: all .2s; }
.service-card:hover .arrow { color: var(--primary); transform: translateX(4px); }
.service-item { background: #f8f9fa; border: 1px solid var(--border); border-radius: 6px; padding: 22px; }
.service-item h4 { font-size: 16px; color: var(--ink); margin-bottom: 8px; }
.service-item p { font-size: 14px; color: #666; margin: 0; }
.feature-list { display: grid; grid-template-columns: repeat(1, 1fr); gap: 14px; }
.feature-item { background: #f8f9fa; border-left: 3px solid var(--primary); padding: 14px 18px; border-radius: 0 6px 6px 0; font-size: 15px; color: var(--text); line-height: 1.7; }

/* ºå¡ç */
.section { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 35px; margin-bottom: 30px; }
.section h2 { font-size: 22px; color: var(--ink); margin-bottom: 18px; padding-left: 12px; border-left: 4px solid var(--primary); }
.section p { color: var(--text); margin-bottom: 14px; font-size: 15px; line-height:1.5;}
.section ul { margin: 14px 0 14px 24px; color: var(--text); }
.section li { margin-bottom: 8px; font-size: 15px; }

/* °æ */
.data-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 25px 0; }
.data-item { background: var(--primary-light); border: 1px solid #e1effe; border-radius: 6px; padding: 22px; text-align: center; }
.data-item .num { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.data-item .label { font-size: 13px; color: #666; }

/* å·¥èºæç¨ */
.process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin: 25px 0; }
.process-step { background: #f8f9fa; border-radius: 6px; padding: 18px 10px; text-align: center; }
.process-step .num { width: 28px; height: 28px; background: var(--primary); color: #fff; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; margin-bottom: 10px; }
.process-step .title { font-size: 14px; color: var(--ink); font-weight: 500; }

/* æ¡ä¾ç½ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.case-card, a.case-card { background: #fff; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; transition: all .2s; display: block; text-decoration: none; color: inherit; }
.case-card:hover { box-shadow: 0 6px 18px rgba(0,0,0,0.08); transform: translateY(-3px); }
.case-card img { width: 100%; height: 200px; object-fit: cover; display: block; }
.case-body { padding: 16px; }
.case-tag { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 12px; padding: 3px 10px; border-radius: 3px; margin-bottom: 8px; }
.case-title { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.case-desc { font-size: 13px; color: #666; line-height: 1.6; }

/* 两æ/ä¸å° */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 20px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 20px 0; }
.box { background: #f8f9fa; border-radius: 6px; padding: 18px; border: 1px solid var(--border); }
.box h4 { font-size: 20px; color: var(--primary); margin-bottom: 8px; }
.box p { font-size: 16px; margin: 0; color: var(--text);  line-height: 30px;}

/* å·¥èºå示æ */
.photo-tip { background: #fff8e1; border: 1px solid #ffe082; border-radius: 6px; padding: 16px 18px; margin: 20px 0; color: #6d5c1c; font-size: 14px; }
.photo-tip strong { color: #5d4037; }

/* 觼表 */
.spec-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.spec-table th, .spec-table td { border: 1px solid #e2e8f0; padding: 14px 16px; text-align: left; font-size: 14px; }
.spec-table th { background: #f1f5f9; color: #1e293b; font-weight: 600; }
.spec-table tr:nth-child(even) td { background: #f8fafc; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); padding: 16px 0; }
.faq-q { font-weight: 600; color: var(--ink); margin-bottom: 8px; font-size: 15px; }
.faq-a { color: var(--text); font-size: 14px; }

/* ¾çç½ */
.img-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 18px; }
.img-grid img { width: 100%; height: 180px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }

/* CTA */
.cta { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; text-align: center; padding: 44px; border-radius: 6px; margin-top: 30px; }
.cta h3 { font-size: 22px; margin-bottom: 10px; }
.cta p { font-size: 15px; margin-bottom: 18px; opacity: .95; }
.cta-btn { display: inline-block; background: #fff; color: var(--primary); padding: 12px 36px; border-radius: 4px; text-decoration: none; font-weight: 600; font-size: 15px; transition: all .2s; }
.cta-btn:hover { background: #eef4ff; transform: translateY(-2px); }

/* ===== é¦é¡µäå± ===== */
.hero { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; padding: 70px 20px; text-align: center; }
.hero h1 { font-size: 40px; font-weight: 700; margin-bottom: 16px; }
.hero p { font-size: 18px; opacity: .95; max-width: 760px; margin: 0 auto 28px; }
.hero-btns a { display: inline-block; margin: 0 8px; padding: 13px 34px; border-radius: 4px; text-decoration: none; font-weight: 600; font-size: 15px; }
.hero-btns .primary { background: #fff; color: var(--primary); }
.hero-btns .ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.6); }
.home-section { margin-bottom: 44px; }
.home-section > h2 { font-size: 26px; color: var(--ink); text-align: center; margin-bottom: 8px; }
.home-section > .sub { text-align: center; color: #888; margin-bottom: 28px; font-size: 15px; }
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.svc-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 28px; transition: all .2s; text-decoration: none; color: inherit; display: block; }
.svc-card:hover { box-shadow: 0 8px 24px rgba(21,101,192,.12); transform: translateY(-3px); border-color: var(--primary); }
.svc-card h3 { font-size: 19px; color: var(--primary); margin-bottom: 10px; }
.svc-card p { color: var(--text); font-size: 14px; }
.svc-card .more { color: var(--primary); font-size: 14px; margin-top: 12px; font-weight: 600; }
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.industry-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 22px; text-align: center; }
.industry-card .ico { font-size: 30px; margin-bottom: 8px; }
.industry-card h4 { font-size: 16px; color: var(--ink); margin-bottom: 6px; }
.industry-card p { font-size: 13px; color: #777; }
.equip-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.equip-card { background: var(--primary-light); border: 1px solid #e1effe; border-radius: 8px; padding: 22px; text-align: center; }
.equip-card .name { font-size: 16px; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.equip-card .desc { font-size: 13px; color: #666; }

/* ===== ³äé¡ ===== */
.timeline { border-left: 3px solid var(--primary); margin: 20px 0 20px 10px; padding-left: 24px; }
.timeline-item { margin-bottom: 22px; position: relative; }
.timeline-item::before { content: ''; width: 12px; height: 12px; background: var(--primary); border-radius: 50%; position: absolute; left: -31px; top: 4px; }
.timeline-item .year { font-weight: 700; color: var(--primary); }
.cert-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.cert-badge { background: var(--primary-light); color: var(--primary); border: 1px solid #cfe4fb; padding: 8px 16px; border-radius: 20px; font-size: 14px; }