/* ============================================
   浙江亚宁消防设备有限公司 - 官网 v2
   Premium B2B Industrial Design
   ============================================ */

:root {
  --navy-900: #0A1D34;
  --navy-800: #0F2847;
  --navy-700: #15345C;
  --navy-600: #1C4475;
  --navy-500: #2563A0;
  --accent: #E05A2B;
  --accent-dark: #C44A20;
  --accent-light: #F5824D;
  --bg: #FFFFFF;
  --bg-soft: #F7F8FA;
  --bg-dark: #0A1D34;
  --text: #1A2332;
  --text-mid: #4A5A6E;
  --text-light: #7A8A9E;
  --border: #E6EAF0;
  --shadow-sm: 0 1px 3px rgba(10,29,52,0.06);
  --shadow-md: 0 4px 16px rgba(10,29,52,0.08);
  --shadow-lg: 0 12px 40px rgba(10,29,52,0.12);
  --radius: 6px;
  --radius-lg: 10px;
  --max: 1400px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size:15px; line-height:1.75; color:var(--text); background:var(--bg);
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
ul { list-style:none; }
.container { max-width:var(--max); margin:0 auto; padding:0 32px; }

/* ===== 顶部导航 ===== */
.topbar {
  background:var(--navy-900); color:rgba(255,255,255,0.65);
  font-size:12.5px; height:38px; display:flex; align-items:center;
  letter-spacing:0.2px;
}
.topbar .container { display:flex; justify-content:space-between; width:100%; }
.topbar a:hover { color:#fff; }
.topbar span { margin-right:28px; display:inline-flex; align-items:center; gap:6px; }
.topbar svg { opacity:0.7; }

.lang-toggle {
  background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.12);
  color:rgba(255,255,255,0.8); padding:3px 12px; border-radius:3px;
  font-size:12px; cursor:pointer; transition:var(--transition);
  font-family:inherit;
}
.lang-toggle:hover { background:rgba(255,255,255,0.15); color:#fff; }

.header {
  background:#fff; position:sticky; top:0; z-index:100;
  border-bottom:1px solid var(--border);
}
.header .container { display:flex; align-items:center; justify-content:space-between; height:76px; }
.logo { display:flex; align-items:center; gap:14px; }
.logo-mark {
  width:auto; height:46px; background:transparent; border-radius:0; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:22px; font-weight:700; letter-spacing:-1px;
}
.logo-mark img { height:44px; width:auto; display:block; }
.logo-text h1 { font-size:18px; font-weight:700; color:var(--navy-900); line-height:1.3; letter-spacing:0.5px; }
.logo-text p { font-size:10.5px; color:var(--text-light); letter-spacing:2px; text-transform:uppercase; font-weight:500; }

.nav ul { display:flex; align-items:center; gap:2px; }
.nav a {
  display:block; padding:10px 16px; font-size:14.5px; font-weight:500;
  color:var(--text-mid); border-radius:var(--radius); transition:var(--transition);
}
.nav a:hover { color:var(--navy-900); background:var(--bg-soft); }
.nav a.active { color:var(--accent); }
.nav .btn-inquiry {
  background:var(--accent); color:#fff !important; padding:10px 26px; margin-left:10px;
  font-weight:600;
}
.nav .btn-inquiry:hover { background:var(--accent-dark); }
/* 导航内 中英文切换（获取报价旁） */
.nav-lang-item { margin-left:10px; }
.nav .lang-switch {
  display:inline-flex; align-items:center; gap:7px; padding:9px 16px 9px 13px;
  border-radius:999px; border:1px solid color-mix(in srgb, var(--navy-900) 26%, transparent);
  background:linear-gradient(180deg,#fff, #f4f7fb); color:var(--navy-900);
  font-size:12.5px; font-weight:700; letter-spacing:1.3px; line-height:1;
  box-shadow:0 2px 6px -3px rgba(7,25,48,.25), inset 0 1px 0 rgba(255,255,255,.7);
  transition:all .25s ease;
}
.nav .lang-switch svg { width:15px; height:15px; opacity:.82; transition:opacity .25s; }
.nav .lang-switch:hover {
  background:var(--navy-900); border-color:var(--navy-900); color:#fff;
  box-shadow:0 12px 24px -10px rgba(7,25,48,.6); transform:translateY(-1px);
}
.nav .lang-switch:hover svg { opacity:1; }

/* ===== Hero ===== */
.hero {
  position:relative; background:var(--navy-900); color:#fff;
  padding:0; overflow:hidden; min-height:580px;
  display:flex; align-items:center;
}
.hero-bg {
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(37,99,160,0.35) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(224,90,43,0.12) 0%, transparent 50%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
}
.hero-bg::after {
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size:60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 80%);
}
.hero-bg::before {
  content:""; position:absolute; left:30px; top:50%; transform:translateY(-50%);
  width:380px; height:380px; opacity:.08; pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3c.4 2.6-1.6 3.9-2.8 5.5C8 10.1 7 11.7 7 13.7 7 16.6 9.2 19 12 19s5-2.4 5-5.3c0-2-1-3.7-2.2-5.2C13.6 6.9 12.4 5.6 12 3z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.hero .container { position:relative; z-index:2; padding-top:80px; padding-bottom:80px; }
.hero-inner { max-width:720px; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(224,90,43,0.12); border:1px solid rgba(224,90,43,0.3);
  color:var(--accent-light); font-size:13px; font-weight:500;
  padding:6px 16px; border-radius:30px; margin-bottom:28px;
}
.hero-badge::before { content:""; width:6px; height:6px; background:var(--accent); border-radius:50%; }
.hero h2 {
  font-size:44px; font-weight:800; line-height:1.2; margin-bottom:24px;
  letter-spacing:-0.5px;
}
.hero h2 span { color:var(--accent-light); }
.hero-desc {
  font-size:17px; color:rgba(255,255,255,0.7); line-height:1.8;
  margin-bottom:40px; max-width:620px;
}
.hero-btns { display:flex; gap:16px; }
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 36px; font-size:15px; font-weight:600; border-radius:var(--radius);
  transition:var(--transition); cursor:pointer; border:none; font-family:inherit;
  letter-spacing:0.3px;
}
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-dark); transform:translateY(-1px); box-shadow:0 6px 20px rgba(224,90,43,0.3); }
.btn-ghost { background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,0.25); }
.btn-ghost:hover { border-color:rgba(255,255,255,0.6); background:rgba(255,255,255,0.06); }

.hero-stats {
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
  margin-top:64px; padding-top:36px;
  border-top:1px solid rgba(255,255,255,0.1);
}
.hero-stat { padding-left:24px; border-left:1px solid rgba(255,255,255,0.12); }
.hero-stat:first-child { padding-left:0; border-left:none; }
.hero-stat .num { font-size:36px; font-weight:800; color:var(--accent-light); line-height:1; letter-spacing:-1px; }
.hero-stat .label { font-size:13px; color:rgba(255,255,255,0.55); margin-top:10px; }

/* ===== 通用区块 ===== */
.section { padding:90px 0; }
.section-soft { background:var(--bg-soft); }
.section-dark { background:var(--navy-900); color:#fff; }
.section-head { margin-bottom:56px; max-width:680px; }
.section-head.center { margin-left:auto; margin-right:auto; text-align:center; }
.section-head .tag {
  display:inline-flex; align-items:center; gap:7px; font-size:12px; font-weight:700; color:var(--accent);
  letter-spacing:2.5px; text-transform:uppercase; margin-bottom:14px;
}
.section-head .tag::before {
  content:""; width:11px; height:13px; flex-shrink:0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23E05A2B' d='M12 1c-.3 3.2-2 4.9-3.4 6.8C7.2 9.8 6 11.8 6 14.2 6 18 8.7 21 12 21s6-3 6-6.8c0-2.4-1.2-4.4-2.6-6.4C14 5.9 12.3 4.2 12 1z'/%3E%3C/svg%3E") center/contain no-repeat;
}
/* 各大目录差异化图标 */
.tag.ic-shield::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5c0 4.6-3.1 8.1-7 10-3.9-1.9-7-5.4-7-10V6l7-3z'/%3E%3Cpath d='M9 12l2 2 4-4.5'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-globe::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M3 12h18M12 3c2.6 2.6 2.6 15.4 0 18-2.6-2.6-2.6-15.4 0-18z'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-gear::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='3.2'/%3E%3Cpath d='M12 2.5v3M12 18.5v3M2.5 12h3M18.5 12h3M5 5l2.1 2.1M16.9 16.9L19 19M19 5l-2.1 2.1M7.1 16.9L5 19'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-trophy::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 4h10v5a5 5 0 0 1-10 0V4z'/%3E%3Cpath d='M7 6H4v.5a3 3 0 0 0 3 3M17 6h3v.5a3 3 0 0 1-3 3M10 14h4M10.5 14v3h3v-3M8 20h8'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-grid::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='7.5' height='7.5' rx='1.2'/%3E%3Crect x='13.5' y='3' width='7.5' height='7.5' rx='1.2'/%3E%3Crect x='3' y='13.5' width='7.5' height='7.5' rx='1.2'/%3E%3Crect x='13.5' y='13.5' width='7.5' height='7.5' rx='1.2'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-anchor::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='5' r='2.4'/%3E%3Cpath d='M12 7.4V21M5 12a7 7 0 0 0 14 0M5 12H2.5M21.5 12H19'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-flask::before { width:12px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 3h6M10 3v6L4.6 18.8A1.5 1.5 0 0 0 6 21h12a1.5 1.5 0 0 0 1.4-2.2L14 9V3'/%3E%3Cpath d='M7.6 15h8.8'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-clock::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7v5l3.5 2'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-medal::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 3h8l-2.6 6h-2.8L8 3z'/%3E%3Ccircle cx='12' cy='15' r='5'/%3E%3Cpath d='M12 13v2l1.6 1'/%3E%3C/svg%3E") center/contain no-repeat; }
.tag.ic-headset::before { width:13px; height:13px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E05A2B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 13v-1a8 8 0 0 1 16 0v1'/%3E%3Crect x='3' y='13' width='3.6' height='6' rx='1.6'/%3E%3Crect x='17.4' y='13' width='3.6' height='6' rx='1.6'/%3E%3Cpath d='M20 19a4 4 0 0 1-4 3h-3'/%3E%3C/svg%3E") center/contain no-repeat; }
.section-head h3 {
  font-size:34px; font-weight:800; color:var(--navy-900);
  margin-bottom:16px; letter-spacing:-0.3px; line-height:1.3;
}
.section-dark .section-head h3 { color:#fff; }
.section-head p { font-size:16px; color:var(--text-mid); line-height:1.8; }
.section-dark .section-head p { color:rgba(255,255,255,0.6); }
.section-head .line { width:44px; height:3px; background:var(--accent); margin-top:24px; border-radius:2px; }
.section-head.center .line { margin-left:auto; margin-right:auto; }

/* ===== 产品分类卡片 ===== */
.cat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.cat-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:36px 32px; transition:var(--transition); position:relative; overflow:hidden;
  display:flex; flex-direction:column; text-decoration:none; color:inherit; text-align:left;
}
.cat-card::after {
  content:""; position:absolute; bottom:0; left:0; right:0; height:3px;
  background:var(--accent); transform:scaleX(0); transform-origin:left;
  transition:transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.cat-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-4px); border-color:transparent; }
.cat-card:hover::after { transform:scaleX(1); }
.cat-icon {
  width:52px; height:52px; border-radius:var(--radius);
  background:rgba(10,29,52,0.05); display:flex; align-items:center; justify-content:center;
  color:var(--navy-700); margin-bottom:22px; transition:var(--transition);
}
.cat-card:hover .cat-icon { background:var(--navy-900); color:#fff; }
.cat-card h4 { font-size:18px; font-weight:700; color:var(--navy-900); margin-bottom:10px; }
.cat-card .en { font-size:12px; color:var(--text-light); margin-bottom:12px; font-weight:500; letter-spacing:0.3px; }
.cat-card p { font-size:14px; color:var(--text-mid); line-height:1.75; margin-bottom:18px; }
.cat-card .cat-items { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:18px; }
.cat-card .cat-items span {
  font-size:12px; color:var(--text-mid); background:var(--bg-soft);
  padding:3px 10px; border-radius:3px;
}
.cat-card .more {
  margin-top:auto; font-size:13.5px; font-weight:600; color:var(--accent);
  display:inline-flex; align-items:center; gap:4px; transition:gap 0.2s;
}
.cat-card:hover .more { gap:8px; }

/* ===== 认证展示 ===== */
.cert-strip {
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.cert-item {
  background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius-lg); padding:32px 28px; text-align:center;
  transition:var(--transition);
}
.cert-item:hover { background:rgba(255,255,255,0.07); border-color:rgba(224,90,43,0.3); transform:translateY(-2px); }
.cert-logos { display:flex; flex-wrap:wrap; justify-content:center; gap:8px; margin-bottom:18px; }
.cert-logo {
  background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius); padding:8px 14px; font-size:13px; font-weight:700;
  color:var(--accent-light); letter-spacing:1px;
}
.cert-item h4 { font-size:16px; font-weight:700; margin-bottom:8px; }
.cert-item p { font-size:13px; color:rgba(255,255,255,0.5); line-height:1.7; }

/* ===== 关于/优势 ===== */
.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.about-visual {
  border-radius:var(--radius-lg); overflow:hidden; position:relative;
  background:linear-gradient(135deg, var(--navy-700), var(--navy-900));
  aspect-ratio:4/3; display:flex; align-items:center; justify-content:center;
  color:rgba(255,255,255,0.3); font-size:13px;
}
.about-visual::before {
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(45deg, transparent, transparent 25px, rgba(255,255,255,0.02) 25px, rgba(255,255,255,0.02) 50px);
}
.about-visual span { position:relative; z-index:1; }
.about-visual img { position:relative; z-index:1; width:100%; height:100%; object-fit:cover; display:block; }

/* 研发试验设施图廊 */
.facility-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:48px; }
.facility-card { border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; background:#fff; box-shadow:0 8px 26px rgba(10,29,52,0.07); transition:transform .25s ease, box-shadow .25s ease; }
.facility-card:hover { transform:translateY(-4px); box-shadow:0 16px 36px rgba(10,29,52,0.13); }
.facility-card .fc-img { height:200px; overflow:hidden; background:var(--bg-soft); }
.facility-card .fc-img img { width:100%; height:100%; object-fit:cover; display:block; }
.facility-card .fc-body { padding:18px 20px 20px; }
.facility-card h4 { font-size:16px; color:var(--navy-900); margin-bottom:6px; font-weight:700; }
.facility-card .fc-en { font-size:11px; color:var(--accent); letter-spacing:0.5px; text-transform:uppercase; margin-bottom:8px; }
.facility-card p { font-size:13px; color:var(--text-mid); line-height:1.65; margin:0; }
@media (max-width:768px){ .facility-grid { grid-template-columns:1fr; } }
.about-text h3 { font-size:30px; font-weight:800; color:var(--navy-900); margin-bottom:20px; line-height:1.35; }
.about-text > p { font-size:15px; color:var(--text-mid); line-height:1.9; margin-bottom:16px; }
.advantage-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:28px; }
.advantage { display:flex; gap:14px; align-items:flex-start; }
.advantage .check {
  width:26px; height:26px; border-radius:50%; flex-shrink:0; margin-top:2px;
  background:rgba(224,90,43,0.1); color:var(--accent);
  display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700;
}
.advantage strong { display:block; font-size:15px; color:var(--navy-900); margin-bottom:2px; }
.advantage span { font-size:13px; color:var(--text-light); line-height:1.6; }

/* ===== 应用领域 ===== */
/* 船型 → 消防系统 矩阵 */
.vessel-matrix { display:flex; flex-direction:column; gap:14px; max-width:1080px; margin:0 auto; }
.vm-row {
  position:relative; display:grid; grid-template-columns:268px 1fr; align-items:center; gap:32px;
  background:#fff; border:1px solid var(--border); border-radius:14px;
  padding:24px 32px; overflow:hidden;
  transition:box-shadow .3s ease, transform .3s ease, border-color .3s ease;
}
.vm-row::before {
  content:""; position:absolute; left:0; top:0; bottom:0; width:4px;
  background:linear-gradient(180deg,var(--navy-700),var(--accent));
}
.vm-row:hover { box-shadow:var(--shadow-lg); transform:translateY(-2px); border-color:#d6dfeb; }
.vm-row.detail { align-items:start; }
.vm-row.detail .vm-vessel { padding-top:2px; }
.vm-vessel { display:flex; align-items:center; gap:15px; }
.vm-ico {
  width:50px; height:50px; border-radius:12px; flex-shrink:0;
  background:linear-gradient(135deg,rgba(10,29,52,.06),rgba(37,99,160,.12));
  border:1px solid #e6ecf4; color:var(--navy-700);
  display:flex; align-items:center; justify-content:center;
}
.vm-name { font-size:16.5px; font-weight:700; color:var(--navy-900); line-height:1.35; }
.vm-en { font-size:10.5px; color:var(--text-light); letter-spacing:.5px; font-weight:600; margin-top:4px; text-transform:uppercase; }
.vm-main { min-width:0; }
.vm-sys { display:flex; flex-wrap:wrap; gap:9px; }
.vm-sys span {
  font-size:13px; font-weight:500; color:var(--navy-700);
  background:rgba(10,29,52,.045); border:1px solid #e9eef4;
  padding:7px 13px; border-radius:7px; transition:.25s;
}
.vm-row:hover .vm-sys span { background:#fff; border-color:#d9e2ee; box-shadow:0 2px 6px rgba(13,32,61,.06); }
.vm-desc { font-size:13px; color:var(--text-mid); line-height:1.75; margin:0 0 4px; }
.vm-foot {
  display:flex; flex-wrap:wrap; gap:8px; align-items:center;
  margin-top:15px; padding-top:14px; border-top:1px dashed var(--border);
}
.vm-flabel { font-size:11.5px; color:var(--text-light); font-weight:600; letter-spacing:.5px; }
.vm-class {
  font-size:11.5px; font-weight:700; color:var(--navy-700);
  background:rgba(37,99,160,.09); padding:3px 10px; border-radius:4px; letter-spacing:.3px;
}
@media (max-width:900px){ .vm-row { grid-template-columns:1fr; gap:16px; padding:20px 22px; } }

/* ===== CTA ===== */
.cta-block {
  background:linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color:#fff; text-align:center; padding:80px 0; position:relative; overflow:hidden;
}
.cta-block::before {
  content:""; position:absolute; top:-50%; right:-10%; width:500px; height:500px;
  border-radius:50%; background:radial-gradient(circle, rgba(224,90,43,0.15) 0%, transparent 70%);
}
.cta-block .container { position:relative; z-index:1; }
.cta-block h3 { font-size:32px; font-weight:800; margin-bottom:14px; }
.cta-block p { font-size:16px; color:rgba(255,255,255,0.65); margin-bottom:32px; }
.cta-block .btn { font-size:16px; padding:16px 48px; }

/* ===== Footer ===== */
.footer { background:#061528; color:rgba(255,255,255,0.55); padding:64px 0 0; font-size:14px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.5fr; gap:48px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,0.06); }
.footer-col h5 { color:#fff; font-size:14px; font-weight:700; margin-bottom:20px; letter-spacing:0.5px; }
.footer-col p { line-height:1.85; margin-bottom:8px; }
.footer-col ul li { margin-bottom:11px; }
.footer-col ul li a { transition:var(--transition); }
.footer-col ul li a:hover { color:#fff; }
.footer-contact { display:flex; gap:10px; margin-bottom:14px; align-items:flex-start; }
.footer-contact svg { color:var(--accent); flex-shrink:0; margin-top:3px; }
.footer-bottom { padding:22px 0; text-align:center; font-size:12.5px; color:rgba(255,255,255,0.3); }

/* ===== 内页横幅 ===== */
.page-banner {
  background:var(--navy-900); color:#fff; padding:70px 0 60px; position:relative; overflow:hidden;
}
.page-banner::before {
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(37,99,160,0.3) 0%, transparent 60%),
    radial-gradient(circle at 90% 85%, rgba(224,90,43,0.16) 0%, transparent 55%);
}
.page-banner::after {
  content:""; position:absolute; right:56px; top:50%; transform:translateY(-50%);
  width:190px; height:190px; opacity:.1; pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3c.4 2.6-1.6 3.9-2.8 5.5C8 10.1 7 11.7 7 13.7 7 16.6 9.2 19 12 19s5-2.4 5-5.3c0-2-1-3.7-2.2-5.2C13.6 6.9 12.4 5.6 12 3z'/%3E%3C/svg%3E") center/contain no-repeat;
}
/* 各内页横幅差异化大水印 */
.bn-products::after {
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 3h6M9.6 3v3.1L7.6 11h8.8l-2-4.9V3'/%3E%3Cpath d='M9.6 13.4v2.6M12 13.4v3.6M14.4 13.4v2.6'/%3E%3C/svg%3E") center/contain no-repeat;
}
.bn-cert::after {
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5c0 4.6-3.1 8.1-7 10-3.9-1.9-7-5.4-7-10V6l7-3z'/%3E%3Cpath d='M9 12l2 2 4-4.5'/%3E%3C/svg%3E") center/contain no-repeat;
}
.bn-about::after {
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 15h16l-1.8 4.5a1 1 0 0 1-.95.5H6.75a1 1 0 0 1-.95-.5L4 15z'/%3E%3Cpath d='M6.5 15l1.6-4h7.8l1.6 4M9.5 8h5v3h-5zM12 5v3'/%3E%3Cpath d='M4.5 20.6c1.4 0 1.4.7 2.8.7s1.4-.7 2.8-.7 1.4.7 2.8.7 1.4-.7 2.8-.7 1.4.7 2.8.7'/%3E%3C/svg%3E") center/contain no-repeat;
}
.bn-cases::after {
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.4' stroke-linecap='round'%3E%3Ccircle cx='12' cy='5.2' r='2.3'/%3E%3Cpath d='M12 7.5V21M5 12a7 7 0 0 0 14 0M5 12H2.6M21.4 12H19'/%3E%3C/svg%3E") center/contain no-repeat;
}
.bn-contact::after {
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2.2'/%3E%3Cpath d='M3.5 7.2L12 13l8.5-5.8'/%3E%3C/svg%3E") center/contain no-repeat;
}
.page-banner .container { position:relative; z-index:1; }
.page-banner h2 { font-size:36px; font-weight:800; margin-bottom:10px; letter-spacing:-0.3px; }
.page-banner p { font-size:15px; color:rgba(255,255,255,0.6); }
.breadcrumb { font-size:13px; color:rgba(255,255,255,0.4); margin-top:16px; }
.breadcrumb a:hover { color:rgba(255,255,255,0.8); }

/* ===== 产品详情页 ===== */
.product-cat { padding:70px 0; border-bottom:1px solid var(--border); scroll-margin-top:146px; }
.product-cat:nth-of-type(even) { background:var(--bg-soft); }
.pc-head { display:flex; align-items:center; gap:18px; margin-bottom:40px; }
.pc-head .pc-icon {
  width:56px; height:56px; border-radius:var(--radius);
  background:linear-gradient(145deg,var(--navy-800),var(--navy-600));
  color:#fff; display:flex; align-items:center; justify-content:center; flex-shrink:0;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 5px 12px rgba(10,29,52,.18);
}
.pc-head h3 { font-size:26px; font-weight:800; color:var(--navy-900); }
.pc-head .pc-en { font-size:13px; color:var(--text-light); font-weight:500; }

.product-item {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:36px; margin-bottom:24px; transition:var(--transition);
}
.product-cat:nth-of-type(even) .product-item { background:#fff; }
.product-item:hover { box-shadow:var(--shadow-md); }
.product-item:last-child { margin-bottom:0; }
.pi-head { margin-bottom:20px; }
.pi-head h4 { font-size:20px; font-weight:700; color:var(--navy-900); margin-bottom:4px; }
.pi-head .pi-en { font-size:13px; color:var(--text-light); font-weight:500; }
.pi-body { display:grid; grid-template-columns:1fr 1fr; gap:32px; align-items:start; }
.pi-desc { font-size:14px; color:var(--text-mid); line-height:1.85; margin-bottom:18px; }
.pi-standards {
  font-size:12.5px; color:var(--text-mid); background:var(--bg-soft);
  padding:14px 18px; border-left:3px solid var(--accent); border-radius:0 var(--radius) var(--radius) 0;
  line-height:1.8;
}
.pi-standards strong { color:var(--navy-900); display:block; margin-bottom:4px; font-size:12px; letter-spacing:0.5px; }

/* 产品实物图 */
.pi-image {
  border:1px solid #e7ecf2; border-radius:12px;
  background:radial-gradient(circle at 50% 30%, #ffffff 0%, #eef2f7 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.9),0 2px 6px rgba(13,32,61,0.05);
  display:flex; width:max-content; max-width:100%; height:auto;
  margin:0 auto 18px; overflow:hidden; position:relative;
  align-items:center; justify-content:center;
}
.pi-image img {
  display:block; width:auto; height:auto; max-height:264px; max-width:100%;
  object-fit:contain; padding:16px 18px;
  filter:drop-shadow(0 9px 14px rgba(13,32,61,0.18));
  transition:transform .35s ease;
}
.pi-image:hover img { transform:scale(1.04); }
.pi-gallery { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin:0 auto 18px; }
.pi-gallery.three { grid-template-columns:repeat(3,1fr); }
.pi-gallery .pi-image { width:100%; margin:0 auto; }
.pi-gallery .pi-image img { max-height:172px; padding:12px; filter:drop-shadow(0 6px 9px rgba(13,32,61,0.14)); }
.pi-image figcaption, .pi-gallery figcaption { position:absolute; left:0; right:0; bottom:0; text-align:center; font-size:11px; color:var(--text-light); background:rgba(255,255,255,0.92); padding:3px 4px; letter-spacing:0.3px; }

.param-table { width:100%; border-collapse:collapse; font-size:13.5px; }
.param-table th {
  text-align:left; padding:10px 14px; background:var(--navy-900); color:#fff;
  font-weight:600; font-size:12.5px; letter-spacing:0.3px;
}
.param-table th:first-child { border-radius:var(--radius) 0 0 0; }
.param-table th:last-child { border-radius:0 var(--radius) 0 0; }
.param-table td { padding:10px 14px; border-bottom:1px solid var(--border); color:var(--text-mid); }
.param-table tr:last-child td { border-bottom:none; }
.param-table td:first-child { color:var(--text); font-weight:500; width:45%; }
.param-table tr:hover td { background:var(--bg-soft); }

.pi-apps { display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
.pi-apps span {
  font-size:12px; background:rgba(10,29,52,0.05); color:var(--navy-700);
  padding:4px 12px; border-radius:3px; font-weight:500;
}

/* ===== 认证页 ===== */
.cert-page-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.cert-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:32px 24px; text-align:center; transition:var(--transition);
}
.cert-card:hover { box-shadow:var(--shadow-md); border-color:var(--navy-500); transform:translateY(-2px); }
.cert-card .cl {
  width:84px; height:84px; margin:0 auto 18px; border-radius:50%;
  background:var(--bg-soft); border:2px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size:17px; font-weight:800; color:var(--navy-700); letter-spacing:0.5px;
}
.cert-card h4 { font-size:15px; color:var(--navy-900); margin-bottom:4px; font-weight:700; }
.cert-card p { font-size:12px; color:var(--text-light); }

/* ===== 资质页 · 单列认证清单（一栏一列） ===== */
.cert-list { display:flex; flex-direction:column; gap:12px; max-width:1000px; margin:0 auto; }
.cert-row {
  position:relative; display:grid; grid-template-columns:74px 1fr auto; gap:26px; align-items:center;
  background:#fff; border:1px solid var(--border); border-radius:14px;
  padding:16px 28px 16px 26px; overflow:hidden;
  transition:box-shadow .3s ease, transform .3s ease, border-color .3s ease;
}
.cert-row::before {
  content:""; position:absolute; left:0; top:0; bottom:0; width:4px;
  background:linear-gradient(180deg,var(--navy-700),var(--accent));
}
.cert-row:hover { box-shadow:var(--shadow-lg); transform:translateY(-2px); border-color:#d6dfeb; }
.cr-badge {
  position:relative; width:72px; height:72px; border-radius:15px; flex-shrink:0;
  background:linear-gradient(145deg,var(--navy-800),var(--navy-600)); color:#fff;
  display:flex; align-items:center; justify-content:center; text-align:center;
  font-weight:800; font-size:17px; letter-spacing:.3px; line-height:1.12;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 5px 12px rgba(10,29,52,.2);
}
.cr-badge.cr-logo {
  background:#fff; border:1px solid #e2e9f2; padding:9px;
  box-shadow:0 3px 9px rgba(10,29,52,.10);
}
.cr-badge.cr-logo img { width:100%; height:100%; object-fit:contain; display:block; }
.cr-body h4 { font-size:16.5px; font-weight:700; color:var(--navy-900); margin-bottom:3px; }
.cr-body p { font-size:13px; color:var(--text-light); }
.cr-side {
  font-size:12px; font-weight:600; color:var(--navy-700);
  background:rgba(37,99,160,.08); border:1px solid #e3eaf3;
  padding:6px 14px; border-radius:20px; white-space:nowrap;
}
/* MED 重点认证条 */
.cert-feature {
  max-width:1000px; margin:0 auto; position:relative; overflow:hidden; border-radius:16px;
  background:linear-gradient(130deg,var(--navy-900) 0%,var(--navy-700) 72%,var(--navy-600) 100%);
  color:#fff; display:grid; grid-template-columns:84px 1fr auto; gap:26px; align-items:center; padding:24px 32px;
  box-shadow:0 14px 40px rgba(10,29,52,.22);
}
.cert-feature::before {
  content:""; position:absolute; left:0; top:0; bottom:0; width:5px;
  background:linear-gradient(180deg,var(--accent-light),var(--accent));
}
.cert-feature::after {
  content:""; position:absolute; right:-50px; top:-70px; width:280px; height:280px; pointer-events:none;
  background:radial-gradient(circle, rgba(224,90,43,0.28) 0%, transparent 70%);
}
.cert-feature > * { position:relative; z-index:1; }
.cf-badge {
  position:relative; width:82px; height:82px; border-radius:16px; flex-shrink:0; overflow:hidden;
  background:rgba(224,90,43,.16); border:1.5px solid rgba(245,130,77,.55); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:800; font-size:25px; letter-spacing:1px;
}
.cf-badge::before {
  content:""; position:absolute; right:-9px; bottom:-10px; width:44px; height:44px; opacity:.3;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.6' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M3 12h18M12 3c2.6 2.6 2.6 15.4 0 18-2.6-2.6-2.6-15.4 0-18z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.cf-body h4 { font-size:19px; font-weight:800; margin-bottom:5px; }
.cf-body p { font-size:13.5px; color:rgba(255,255,255,.68); line-height:1.7; }
.cf-side {
  font-size:12px; font-weight:700; color:var(--navy-900); background:var(--accent-light);
  padding:7px 16px; border-radius:20px; white-space:nowrap;
}
.cert-gap { height:12px; }
@media (max-width:760px){
  .cert-row { grid-template-columns:58px 1fr; gap:16px; padding:15px 18px; }
  .cr-badge { width:58px; height:58px; border-radius:12px; font-size:14px; }
  .cr-side { grid-column:2; justify-self:start; }
  .cert-feature { grid-template-columns:62px 1fr; gap:16px; padding:20px; }
  .cf-badge { width:62px; height:62px; border-radius:12px; font-size:18px; }
  .cf-side { grid-column:2; justify-self:start; }
}

/* 首页深色认证区：一栏一列堆叠 */
.cert-strip.cert-stack { grid-template-columns:1fr; gap:14px; max-width:1000px; }
.cert-stack .cert-item {
  display:grid; grid-template-columns:236px 1fr; gap:28px; align-items:center;
  text-align:left; padding:22px 30px;
}
.cert-stack .cert-item h4 { margin-bottom:2px; }
.cert-stack .cert-logos { margin-bottom:0; justify-content:flex-start; }
@media (max-width:760px){ .cert-strip.cert-stack { max-width:100%; } .cert-stack .cert-item { grid-template-columns:1fr; gap:12px; } }

/* ===== 案例页 ===== */
.case-page-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.case-page-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  overflow:hidden; transition:var(--transition);
}
.case-page-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-3px); }
.case-page-card .case-img { height:200px; }
.case-page-card .case-body { padding:26px; }
.case-page-card .case-tag {
  display:inline-block; font-size:11.5px; font-weight:700; color:var(--accent);
  background:rgba(224,90,43,0.08); padding:3px 12px; border-radius:3px; margin-bottom:12px;
}
.case-page-card h4 { font-size:18px; color:var(--navy-900); margin-bottom:10px; font-weight:700; }
.case-page-card p { font-size:13.5px; color:var(--text-mid); line-height:1.75; }
.case-page-card .case-meta {
  margin-top:16px; padding-top:16px; border-top:1px solid var(--border);
  font-size:12px; color:var(--text-light); display:flex; justify-content:space-between;
}

/* ===== 关于页 ===== */
.about-feature-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.af-card {
  padding:32px; background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  transition:var(--transition);
}
.af-card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.af-card .af-icon {
  width:48px; height:48px; border-radius:var(--radius); background:rgba(224,90,43,0.08);
  color:var(--accent); display:flex; align-items:center; justify-content:center; margin-bottom:20px;
}
.af-card h4 { font-size:17px; font-weight:700; color:var(--navy-900); margin-bottom:10px; }
.af-card p { font-size:14px; color:var(--text-mid); line-height:1.8; }

.timeline { position:relative; padding-left:36px; margin-top:40px; }
.timeline::before {
  content:""; position:absolute; left:10px; top:8px; bottom:8px; width:2px; background:var(--border);
}
.tl-item { position:relative; padding-bottom:32px; }
.tl-item:last-child { padding-bottom:0; }
.tl-item::before {
  content:""; position:absolute; left:-30px; top:6px; width:14px; height:14px;
  background:#fff; border:3px solid var(--accent); border-radius:50%;
}
.tl-item .tl-year { font-size:16px; font-weight:800; color:var(--navy-900); margin-bottom:4px; }
.tl-item p { font-size:14px; color:var(--text-mid); line-height:1.75; }

/* ===== 联系页 ===== */
.contact-grid { display:grid; grid-template-columns:1fr 1.3fr; gap:56px; }
.contact-grid.solo { grid-template-columns:1fr; max-width:880px; margin:0 auto; }
.contact-grid.solo .contact-info { display:grid; grid-template-columns:repeat(2,1fr); gap:18px 32px; align-content:start; }
.contact-grid.solo .contact-info > h3,
.contact-grid.solo .contact-info > p,
.contact-grid.solo .overseas-note { grid-column:1 / -1; }
@media (max-width:768px){ .contact-grid.solo .contact-info { grid-template-columns:1fr; } }
.contact-info h3 { font-size:26px; font-weight:800; color:var(--navy-900); margin-bottom:12px; }
.contact-info > p { font-size:15px; color:var(--text-mid); line-height:1.8; margin-bottom:28px; }
.ci-item { display:flex; gap:16px; padding:20px 0; border-bottom:1px solid var(--border); }
.ci-item:last-of-type { border-bottom:none; }
.ci-icon {
  width:44px; height:44px; border-radius:var(--radius); background:var(--navy-900);
  color:#fff; display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.ci-item h5 { font-size:15px; color:var(--navy-900); margin-bottom:3px; font-weight:700; }
.ci-item p { font-size:14px; color:var(--text-mid); line-height:1.7; }
.overseas-note {
  margin-top:28px; padding:20px 24px; background:var(--bg-soft);
  border-left:3px solid var(--accent); border-radius:0 var(--radius) var(--radius) 0;
}
.overseas-note strong { font-size:14px; color:var(--navy-900); display:block; margin-bottom:6px; }
.overseas-note p { font-size:13px; color:var(--text-mid); line-height:1.7; }

.inquiry-form {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:40px; box-shadow:var(--shadow-sm);
}
.inquiry-form h4 { font-size:22px; color:var(--navy-900); margin-bottom:28px; font-weight:800; }
.form-group { margin-bottom:20px; }
.form-group label { display:block; font-size:13.5px; font-weight:600; color:var(--text); margin-bottom:8px; }
.form-group label .req { color:var(--accent); }
.form-group input, .form-group select, .form-group textarea {
  width:100%; padding:11px 16px; border:1px solid var(--border); border-radius:var(--radius);
  font-size:14px; font-family:inherit; color:var(--text); transition:var(--transition); background:#fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline:none; border-color:var(--navy-500); box-shadow:0 0 0 3px rgba(37,99,160,0.1);
}
.form-group textarea { resize:vertical; min-height:110px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.inquiry-form .btn { width:100%; font-size:15px; padding:14px; }
.form-note { font-size:12px; color:var(--text-light); text-align:center; margin-top:12px; }

/* ===== 响应式 ===== */
@media (max-width:1024px) {
  .hero h2 { font-size:38px; }
  .cat-grid, .app-grid, .about-feature-grid, .case-page-grid { grid-template-columns:repeat(2,1fr); }
  .cert-strip, .cert-page-grid { grid-template-columns:repeat(2,1fr); }
  .pi-body { grid-template-columns:1fr; gap:24px; }
}
@media (max-width:768px) {
  .container { padding:0 20px; }
  .section { padding:60px 0; }
  .hero { min-height:auto; }
  .hero h2 { font-size:30px; }
  .hero-desc { font-size:15px; }
  .hero-stats { grid-template-columns:repeat(2,1fr); gap:24px; margin-top:40px; padding-top:28px; }
  .hero-stat .num { font-size:28px; }
  .section-head h3 { font-size:26px; }
  .cat-grid, .app-grid, .about-feature-grid, .case-page-grid,
  .cert-strip, .cert-page-grid, .about-grid, .contact-grid, .advantage-grid {
    grid-template-columns:1fr; gap:20px;
  }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .nav { display:none; }
  .topbar span:not(:first-child) { display:none; }
  .form-row { grid-template-columns:1fr; }
  .product-item { padding:24px; }
  .inquiry-form { padding:28px 24px; }
  .page-banner h2 { font-size:28px; }
}

/* ===== 产品分类吸附导航 ===== */
html { scroll-behavior:smooth; }
.cat-nav {
  position:sticky; top:76px; z-index:90;
  background:rgba(255,255,255,0.92); -webkit-backdrop-filter:saturate(180%) blur(10px); backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border); transition:box-shadow .25s;
}
.cat-nav.is-stuck { box-shadow:0 8px 22px rgba(10,29,52,.09); }
.cat-nav-row { display:flex; align-items:center; gap:24px; height:56px; }
.cat-drop { position:relative; flex-shrink:0; }
.cat-drop-btn {
  display:inline-flex; align-items:center; gap:9px; font-family:inherit; cursor:pointer;
  background:var(--navy-900); color:#fff; border:none; border-radius:var(--radius);
  padding:11px 20px; font-size:14px; font-weight:600; letter-spacing:.3px; white-space:nowrap;
  transition:background .2s;
}
.cat-drop-btn .caret { transition:transform .2s; font-size:10px; }
.cat-drop:hover .cat-drop-btn, .cat-drop:focus-within .cat-drop-btn { background:var(--accent); }
.cat-drop:hover .caret { transform:rotate(180deg); }
.cat-drop-menu {
  position:absolute; top:calc(100% + 8px); left:0; min-width:276px;
  background:#fff; border:1px solid #e4eaf2; border-radius:var(--radius-lg);
  box-shadow:0 20px 48px rgba(10,29,52,.18); padding:8px;
  opacity:0; visibility:hidden; transform:translateY(6px); transition:.22s; z-index:95;
}
.cat-drop-menu::before { content:""; position:absolute; top:-9px; left:0; right:0; height:9px; }
.cat-drop:hover .cat-drop-menu, .cat-drop:focus-within .cat-drop-menu { opacity:1; visibility:visible; transform:translateY(0); }
.cat-drop-menu a {
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:11px 14px; border-radius:var(--radius); color:var(--navy-800);
  font-size:14px; font-weight:600; text-decoration:none;
}
.cat-drop-menu a span { font-size:10px; font-weight:600; letter-spacing:.6px; color:var(--text-light); text-transform:uppercase; }
.cat-drop-menu a:hover, .cat-drop-menu a.active { background:var(--bg-soft); color:var(--accent); }
.cat-tabs { display:flex; align-items:center; gap:2px; list-style:none; margin:0; padding:0; flex:1; overflow-x:auto; scrollbar-width:none; }
.cat-tabs::-webkit-scrollbar { display:none; }
.cat-tabs a {
  display:block; padding:9px 15px; font-size:14px; font-weight:500; color:var(--text-mid);
  border-radius:var(--radius); white-space:nowrap; text-decoration:none; position:relative; transition:.2s;
}
.cat-tabs a:hover { color:var(--navy-900); background:var(--bg-soft); }
.cat-tabs a.active { color:var(--accent); font-weight:700; }
.cat-tabs a.active::after {
  content:""; position:absolute; left:15px; right:15px; bottom:1px; height:2px;
  background:var(--accent); border-radius:2px;
}
@media (max-width:1200px){
  .cat-nav-row { gap:16px; }
  .cat-tabs a { padding:9px 11px; font-size:13.5px; }
  .cat-drop-btn { padding:10px 15px; font-size:13.5px; }
  .cat-drop-menu { min-width:250px; }
}
/* ===== 首屏图文两栏 ===== */
.hero-grid { display:grid; grid-template-columns:1.14fr .86fr; gap:52px; align-items:center; }
.hero-visual { order:-1; }
.hero-grid .hero-inner { max-width:none; }
.hero-visual { position:relative; z-index:1; }
.hero-visual::before { content:none; }
.hv-main { position:relative; z-index:1; border-radius:18px; overflow:hidden; border:1px solid rgba(255,255,255,.16); box-shadow:0 36px 80px rgba(4,12,26,.55); }
.hv-main img { width:100%; display:block; aspect-ratio:1600/1112; object-fit:cover; }
.hv-main::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(10,29,52,0) 58%,rgba(10,29,52,.20)); pointer-events:none; }
.hv-card { position:absolute; z-index:2; left:-26px; bottom:30px; display:flex; align-items:center; gap:13px; padding:13px 19px; border-radius:14px; background:rgba(13,32,61,.58); -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px); border:1px solid rgba(255,255,255,.18); box-shadow:0 16px 36px rgba(4,12,26,.40); }
.hv-card .ic { width:38px; height:38px; border-radius:10px; background:rgba(224,90,43,.22); display:flex; align-items:center; justify-content:center; color:var(--accent-light); flex-shrink:0; }
.hv-card .n { font-size:24px; font-weight:800; color:#fff; line-height:1.05; }
.hv-card .l { font-size:12px; color:rgba(255,255,255,.78); line-height:1.4; margin-top:3px; }
@media (max-width:1024px){ .hero-grid { grid-template-columns:1fr; gap:42px; } .hero-visual { max-width:580px; } }

/* ===== 首页分类卡片分色 ===== */
.cat-card { --c:var(--accent); --cb:#fbece8; }
.cat-card.c-gas { --c:#c1272d; --cb:#fbeaea; }
.cat-card.c-foam { --c:#c98406; --cb:#fbf5e3; }
.cat-card.c-dcp { --c:#dd6125; --cb:#fdf0e7; }
.cat-card.c-water { --c:#0e7c86; --cb:#e6f4f5; }
.cat-card.c-monitor { --c:#2f5597; --cb:#eaf0f8; }
.cat-card.c-detect { --c:#5850a8; --cb:#efedf8; }
.cat-icon { background:var(--cb); color:var(--c); }
.cat-card:hover .cat-icon { background:var(--c); color:#fff; }
.cat-card::after { background:var(--c); }
.cat-card .more { color:var(--c); }
.cat-card:hover { background-image:linear-gradient(180deg,#ffffff,var(--cb)); border-color:var(--cb); }
/* ===== 产品分类栏 精致化 ===== */
.cat-nav { background:rgba(255,255,255,.95); box-shadow:0 2px 14px rgba(10,29,52,.05); }
.cat-nav.is-stuck { box-shadow:0 10px 28px rgba(10,29,52,.10); }
.cat-nav-row { height:64px; gap:22px; }
.cat-tabs { gap:4px; }
.cat-tabs a { display:inline-flex; align-items:center; gap:8px; padding:10px 16px; border-radius:30px; font-size:14px; font-weight:500; }
.cat-tabs a svg { width:15px; height:15px; flex-shrink:0; }
.cat-tabs a.t-gas svg { color:#c1272d; }
.cat-tabs a.t-foam svg { color:#c98406; }
.cat-tabs a.t-dcp svg { color:#dd6125; }
.cat-tabs a.t-water svg { color:#0e7c86; }
.cat-tabs a.t-monitor svg { color:#2f5597; }
.cat-tabs a.t-detect svg { color:#5850a8; }
.cat-tabs a:hover { background:var(--bg-soft); color:var(--navy-900); }
.cat-tabs a:hover svg { color:var(--navy-700); }
.cat-tabs a.active { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff; font-weight:600; box-shadow:0 7px 18px rgba(224,90,43,.30); }
.cat-tabs a.active svg { color:#fff; }
.cat-tabs a.active::after { content:none; }
.cat-drop-btn { padding:12px 20px; border-radius:30px; }
.cat-drop-menu a { padding:12px 15px; }
@media (max-width:1200px){ .cat-nav-row { gap:14px; height:58px; } .cat-tabs a { padding:8px 12px; gap:6px; } .cat-tabs a svg { width:14px; height:14px; } }
/* ===== 顶栏九大船级社徽章 + logo英文全称 ===== */
.topbar-class { display:flex; align-items:center; gap:10px; }
.tc-label { font-size:11px; color:rgba(255,255,255,.60); letter-spacing:.5px; white-space:nowrap; }
a.tc-logos { display:flex; align-items:center; gap:5px; }
.tc-logos img { height:18px; width:auto; background:#fff; border-radius:4px; padding:2px 4px; box-shadow:0 1px 3px rgba(0,0,0,.20); transition:transform .18s, box-shadow .18s; }
.tc-logos:hover img { transform:translateY(-1px); box-shadow:0 3px 8px rgba(0,0,0,.30); }
.logo-text p { font-size:9.5px; letter-spacing:.2px; white-space:nowrap; font-weight:600; }
@media (max-width:1200px){ .tc-label { display:none; } .tc-logos img { height:16px; } }
/* ============================================================
   全局质感纹理层（淡点阵 / 蓝图网格 / 柔光）—— 置于内容下层
   ============================================================ */
/* 浅色区块：极淡点阵 + 角落冷暖柔光 */
.section { position:relative; overflow:hidden; }
.section::before {
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(920px 440px at 88% -10%, rgba(37,99,160,.06), transparent 62%),
    radial-gradient(760px 400px at -8% 108%, rgba(224,90,43,.05), transparent 62%),
    radial-gradient(rgba(10,29,52,.045) 1px, transparent 1.3px);
  background-size:auto, auto, 26px 26px;
}
.section > .container { position:relative; z-index:1; }

/* 深色区块：工程蓝图网格 + 冷暖光晕 */
.section-dark { position:relative; overflow:hidden; }
.section-dark::before {
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(820px 420px at 86% -12%, rgba(37,99,160,.22), transparent 60%),
    radial-gradient(720px 440px at -4% 112%, rgba(224,90,43,.12), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.05) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,.05) 0 1px, transparent 1px 46px);
  background-size:auto, auto, auto, auto;
}
.section-dark > .container { position:relative; z-index:1; }

/* CTA：蓝图网格，中心向四周淡出 */
.cta-block::after {
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:46px 46px, 46px 46px;
  -webkit-mask-image:radial-gradient(circle at 50% 38%, #000 0%, transparent 72%);
          mask-image:radial-gradient(circle at 50% 38%, #000 0%, transparent 72%);
}

/* 页脚：淡蓝图网格 + 顶部冷光晕 */
.footer { position:relative; overflow:hidden; }
.footer::before {
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(1000px 380px at 50% -40%, rgba(37,99,160,.20), transparent 62%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto, 44px 44px, 44px 44px;
}
.footer-grid, .footer-bottom { position:relative; z-index:1; }

/* 产品分区：淡点阵底纹 */
.product-cat { position:relative; }
.product-cat::before {
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none; opacity:.55;
  background:radial-gradient(rgba(10,29,52,.05) 1px, transparent 1.3px);
  background-size:24px 24px;
}
.product-cat > .container { position:relative; z-index:1; }

/* 卡片悬停更有层次 */
.cat-card, .product-item { transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.cat-card:hover, .product-item:hover { box-shadow:0 18px 44px rgba(10,29,52,.12); }
/* 国际认证区：去掉网格，仅保留柔和光晕 */
.section-dark::before {
  background:
    radial-gradient(820px 420px at 86% -12%, rgba(37,99,160,.22), transparent 60%),
    radial-gradient(720px 440px at -4% 112%, rgba(224,90,43,.12), transparent 60%);
  background-size:auto;
}
/* ============================================================
   整体增色调：低饱和辅助色，小面积出彩（图标芯片/柔光/标签/色条）
   ============================================================ */
/* 1) 首页六张产品卡：彩色图标芯片 + 卡片内同色柔光 + 同色小标签 */
.cat-card::before {
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:radial-gradient(230px 150px at 42px 40px, var(--cb), transparent 70%);
}
.cat-card > * { position:relative; z-index:1; }
.cat-icon {
  background:linear-gradient(135deg, var(--c), color-mix(in srgb, var(--c) 82%, #000));
  color:#fff; box-shadow:0 10px 20px -8px var(--c);
}
.cat-card:hover .cat-icon { background:linear-gradient(135deg, var(--c), color-mix(in srgb,var(--c) 82%,#000)); transform:scale(1.08) rotate(-3deg); }
.cat-card .cat-items span { background:var(--cb); color:var(--c); font-weight:600; border-radius:20px; padding:4px 11px; }

/* 2) 应用领域船舶行：图标与左色条轮换协调配色 */
.vm-row:nth-of-type(1) { --v:#0e7c86; --vl:#e6f4f5; }
.vm-row:nth-of-type(2) { --v:#2f5597; --vl:#eaf0f8; }
.vm-row:nth-of-type(3) { --v:#5850a8; --vl:#efedf8; }
.vm-row:nth-of-type(4) { --v:#c1272d; --vl:#fbeaea; }
.vm-row:nth-of-type(5) { --v:#c98406; --vl:#fbf5e3; }
.vm-row:nth-of-type(6) { --v:#14786b; --vl:#e3f3ee; }
.vm-row::before { background:linear-gradient(180deg, var(--v,var(--navy-700)), var(--accent)); }
.vm-ico {
  background:linear-gradient(135deg, #ffffff, var(--vl,#eaf0f8));
  color:var(--v,var(--navy-700)); border-color:var(--vl,#e6ecf4);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.6);
}
.vm-class {
  color:var(--v,var(--navy-700));
  background:color-mix(in srgb, var(--v,var(--navy-700)) 10%, #fff);
}

/* 3) 主按钮一点渐变质感 */
.btn-primary, .nav .btn-inquiry {
  background:linear-gradient(135deg, #ef6a3c 0%, var(--accent) 45%, var(--accent-dark) 100%);
  box-shadow:0 8px 20px -6px rgba(224,90,43,.5);
}
.btn-primary:hover, .nav .btn-inquiry:hover { box-shadow:0 12px 26px -6px rgba(224,90,43,.55); }

/* 4) 产品页分类大图标也按色系着色 */
.product-cat:nth-of-type(1) { --pc:#c1272d; --pcl:#fbeaea; }
.product-cat:nth-of-type(2) { --pc:#c98406; --pcl:#fbf5e3; }
.product-cat:nth-of-type(3) { --pc:#dd6125; --pcl:#fdf0e7; }
.product-cat:nth-of-type(4) { --pc:#0e7c86; --pcl:#e6f4f5; }
.product-cat:nth-of-type(5) { --pc:#2f5597; --pcl:#eaf0f8; }
.product-cat:nth-of-type(6) { --pc:#5850a8; --pcl:#efedf8; }
/* 产品页分类大图标按色系着色 */
.product-cat .pc-icon {
  background:linear-gradient(145deg, var(--pc,var(--navy-800)), color-mix(in srgb,var(--pc,var(--navy-800)) 72%, #000));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22), 0 9px 20px -8px var(--pc,var(--navy-800));
}
/* ===== 首屏多图淡入淡出轮播 ===== */
.hero-slider {
  position:relative; width:100%; aspect-ratio:1600/1112; border-radius:18px; overflow:hidden;
  border:1px solid rgba(255,255,255,.16); background:#0a1d34;
  box-shadow:0 36px 80px rgba(4,12,26,.55);
}
.hs-slide { position:absolute; inset:0; opacity:0; visibility:hidden; transition:opacity 1s ease; }
.hs-slide.is-active { opacity:1; visibility:visible; }
.hs-slide img { width:100%; height:100%; object-fit:cover; transform:scale(1.06); will-change:transform; }
.hs-slide.is-active img { animation:hsKenBurns 6.5s ease-out forwards; }
@keyframes hsKenBurns { from { transform:scale(1.06); } to { transform:scale(1.15); } }
.hs-cap {
  position:absolute; left:18px; bottom:18px; z-index:2; color:#fff; font-size:13px; font-weight:600;
  letter-spacing:.5px; padding:7px 15px; border-radius:30px; white-space:nowrap;
  background:rgba(6,18,36,.55); border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  opacity:0; transform:translateY(8px); transition:opacity .6s ease, transform .6s ease;
}
.hs-slide.is-active .hs-cap { opacity:1; transform:none; transition-delay:.35s; }
.hs-arrow {
  position:absolute; top:50%; transform:translateY(-50%); z-index:3; width:40px; height:40px;
  border-radius:50%; border:1px solid rgba(255,255,255,.28); background:rgba(6,18,36,.40);
  color:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer;
  opacity:0; transition:opacity .25s, background .25s, border-color .25s;
  -webkit-backdrop-filter:blur(4px); backdrop-filter:blur(4px);
}
.hero-slider:hover .hs-arrow { opacity:1; }
.hs-arrow:hover { background:var(--accent); border-color:var(--accent); }
.hs-prev { left:14px; } .hs-next { right:14px; }
.hs-dots { position:absolute; right:18px; bottom:21px; z-index:3; display:flex; align-items:center; gap:7px; }
.hs-dots i { width:7px; height:7px; border-radius:50%; background:rgba(255,255,255,.45); cursor:pointer; transition:width .3s ease, background .3s ease; }
.hs-dots i.is-on { width:22px; border-radius:6px; background:#fff; }
@media (max-width:1024px){ .hero-slider { aspect-ratio:16/10; } }
@media (prefers-reduced-motion:reduce){ .hs-slide.is-active img { animation:none; transform:scale(1.04); } }
/* ===== 首屏下方 实船应用 整宽轮播带 ===== */
.vessel-band { position:relative; background:#061528; }
.vb-slider { position:relative; width:100%; height:clamp(300px, 23.6vw, 460px); overflow:hidden; }
.vb-slider .hs-slide { width:100%; height:100%; }
.vb-slider .hs-slide img { width:100%; height:100%; object-fit:cover; object-position:center 42%; }
.vb-overlay {
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(90deg, rgba(4,12,26,.74) 0%, rgba(4,12,26,.30) 40%, rgba(4,12,26,0) 64%),
    linear-gradient(0deg, rgba(4,12,26,.58), transparent 46%);
}
.vb-meta {
  position:absolute; left:max(24px, calc(50% - 600px)); bottom:48px; z-index:2;
  color:#fff; max-width:580px;
}
.vb-eyebrow {
  display:inline-flex; align-items:center; gap:10px; font-size:12px; font-weight:700;
  letter-spacing:2.2px; color:#ffb59a; text-transform:uppercase;
}
.vb-eyebrow::before { content:""; width:28px; height:2px; background:var(--accent); border-radius:2px; }
.vb-meta h4 { font-size:28px; font-weight:800; margin:13px 0 9px; text-shadow:0 2px 16px rgba(0,0,0,.45); letter-spacing:.3px; }
.vb-meta p { font-size:14.5px; line-height:1.7; color:rgba(255,255,255,.84); text-shadow:0 1px 10px rgba(0,0,0,.45); }
.vb-slider .hs-dots { bottom:30px; right:max(24px, calc(50% - 600px)); }
.vb-slider:hover .hs-arrow { opacity:1; }
.vb-slider .hs-arrow { width:42px; height:42px; }
@media (max-width:1024px){ .vb-slider { height:300px; } .vb-meta h4 { font-size:22px; } .vb-meta{bottom:34px} }
/* ===== 全站精修：导航分隔 / 船级社徽章 / 卡片 / 动效 / 回顶 ===== */
.nav-lang-item { margin-left:clamp(48px,5vw,128px); position:relative; }
.nav-lang-item::before {
  content:""; position:absolute; left:-12px; top:50%; transform:translateY(-50%);
  width:1px; height:22px; background:rgba(10,29,52,.16);
}
.cert-logos.is-badges { gap:12px; }
.cert-logo-badge {
  display:inline-flex; align-items:center; justify-content:center;
  width:92px; height:58px; padding:9px 11px; background:#fff; border-radius:11px;
  box-shadow:0 6px 14px -8px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.9);
  transition:transform .25s ease, box-shadow .25s ease;
}
.cert-logo-badge img { max-width:100%; max-height:100%; width:auto; height:auto; object-fit:contain; display:block; }
.cert-logo-badge:hover { transform:translateY(-3px); box-shadow:0 12px 22px -10px rgba(0,0,0,.6); }
.cat-card { box-shadow:0 1px 2px rgba(10,29,52,.04); }
.cat-card:hover { box-shadow:0 24px 48px -22px rgba(10,29,52,.30); }
.cat-icon { transition:all .3s cubic-bezier(.34,1.56,.64,1); }
.cat-card:hover .cat-icon { transform:scale(1.08) rotate(-4deg); }
.reveal { opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1); will-change:opacity,transform; }
.reveal.in { opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){ .reveal{opacity:1!important;transform:none!important;transition:none} }
#toTop {
  position:fixed; right:26px; bottom:26px; width:46px; height:46px; border-radius:50%;
  border:none; cursor:pointer; z-index:90; background:var(--navy-900); color:#fff;
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transform:translateY(12px); transition:all .3s ease;
  box-shadow:0 12px 26px -10px rgba(7,25,48,.6);
}
#toTop.show { opacity:1; visibility:visible; transform:none; }
#toTop:hover { background:var(--accent); transform:translateY(-2px); }
@media (max-width:768px){ #toTop{right:16px;bottom:16px;width:42px;height:42px} }
/* ===== 导航销售热线 ===== */
.nav-hotline { margin-left:22px; position:relative; align-self:center; }
.nav-hotline::before {
  content:""; position:absolute; left:-12px; top:50%; transform:translateY(-50%);
  width:1px; height:24px; background:rgba(10,29,52,.14);
}
.nav-hotline a { display:flex; align-items:center; gap:9px; text-decoration:none; }
.nh-ico {
  width:38px; height:38px; border-radius:50%; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(224,90,43,.1); color:var(--accent); transition:all .25s ease;
}
.nh-txt { display:flex; flex-direction:column; line-height:1.25; text-align:left; }
.nh-txt em { font-style:normal; font-size:10px; color:var(--text-light); letter-spacing:.6px; text-transform:uppercase; }
.nh-txt strong { font-size:15px; font-weight:700; color:var(--navy-900); letter-spacing:.2px; white-space:nowrap; }
.nav-hotline a:hover .nh-ico { background:var(--accent); color:#fff; }
@media (max-width:1180px){ .nav-hotline { display:none; } }
/* ===== 大屏头部加宽 + 邮箱分离贴右（减少两侧留白，保持高级感） ===== */
.nav-hotline { margin-left:30px; }
.nav-hotline::before { display:none; }
/* ===== 主导航栏精致化（柔和投影 / 下划线动画 / 胶囊按钮） ===== */
.header { border-bottom:none; background:linear-gradient(180deg,#ffffff 0%,#fbfcfe 100%); box-shadow:0 1px 0 rgba(10,29,52,.05), 0 12px 30px -20px rgba(7,25,48,.30); }
.nav ul { gap:4px; }
.nav a, .nav .btn-inquiry { white-space:nowrap; }
.nav ul li > a:not(.btn-inquiry):not(.lang-switch) { position:relative; }
.nav ul li > a:not(.btn-inquiry):not(.lang-switch)::after {
  content:""; position:absolute; left:50%; bottom:3px; width:22px; height:2.5px; border-radius:2px;
  background:linear-gradient(90deg,#f0743c,var(--accent)); transform:translateX(-50%) scaleX(0);
  transform-origin:center; transition:transform .28s cubic-bezier(.22,.61,.36,1);
}
.nav ul li > a:not(.btn-inquiry):not(.lang-switch):hover { background:transparent; color:var(--navy-900); }
.nav ul li > a:not(.btn-inquiry):not(.lang-switch):hover::after { transform:translateX(-50%) scaleX(1); }
.nav a.active { color:var(--accent); font-weight:600; }
.nav ul li > a.active:not(.btn-inquiry):not(.lang-switch)::after { transform:translateX(-50%) scaleX(1); }
.nav .btn-inquiry {
  border-radius:999px; padding:10px 24px;
  background:linear-gradient(135deg,#f27a42 0%,var(--accent) 48%,var(--accent-dark) 100%) !important;
  box-shadow:0 8px 18px -8px rgba(224,90,43,.60), inset 0 1px 0 rgba(255,255,255,.28);
  transition:transform .25s ease, box-shadow .25s ease;
}
.nav .btn-inquiry:hover { transform:translateY(-1px); box-shadow:0 14px 28px -10px rgba(224,90,43,.72), inset 0 1px 0 rgba(255,255,255,.28); }
/* ===================== 证书原件墙 / Certificate Gallery ===================== */
.cert-filters { display:flex; flex-wrap:wrap; justify-content:center; gap:12px; margin:8px 0 40px; }
.cert-filters button {
  appearance:none; cursor:pointer; border:1px solid var(--border); background:#fff; color:var(--text-mid);
  padding:9px 22px; border-radius:999px; font-size:13.5px; font-weight:600; letter-spacing:.5px;
  transition:all .25s ease; box-shadow:0 2px 8px -6px rgba(7,25,48,.25);
}
.cert-filters button:hover { color:var(--navy-900); border-color:color-mix(in srgb,var(--navy-900) 35%,transparent); transform:translateY(-1px); }
.cert-filters button.is-active {
  background:linear-gradient(135deg,var(--navy-800,#123a63),var(--navy-900)); color:#fff; border-color:transparent;
  box-shadow:0 10px 22px -12px rgba(7,25,48,.7);
}
.cert-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(238px,1fr)); gap:26px; }
.cert-card {
  background:#fff; border:1px solid var(--border); border-radius:16px; overflow:hidden;
  box-shadow:0 10px 30px -22px rgba(7,25,48,.35); transition:transform .3s cubic-bezier(.22,.61,.36,1),box-shadow .3s,opacity .3s;
  display:flex; flex-direction:column;
}
.cert-card:hover { transform:translateY(-6px); box-shadow:0 26px 48px -24px rgba(7,25,48,.45); border-color:color-mix(in srgb,var(--accent) 35%,var(--border)); }
.cert-card.is-hidden { display:none; }
.cc-paper {
  position:relative; display:block; width:100%; aspect-ratio:1191/1684; padding:16px 16px 0; margin:0; border:0; cursor:zoom-in;
  background:linear-gradient(180deg,#f3f6fb 0%,#eef2f8 100%);
}
.cc-paper img {
  width:100%; height:100%; object-fit:contain; border-radius:6px;
  box-shadow:0 10px 24px -12px rgba(7,25,48,.45), 0 2px 6px rgba(7,25,48,.12);
  transition:transform .35s cubic-bezier(.22,.61,.36,1); background:#fff;
}
.cert-card:hover .cc-paper img { transform:scale(1.025); }
.cc-zoom {
  position:absolute; right:12px; bottom:14px; width:34px; height:34px; border-radius:50%; border:0; cursor:zoom-in;
  background:rgba(10,29,52,.78); color:#fff; display:flex; align-items:center; justify-content:center;
  opacity:0; transform:translateY(6px); transition:all .3s ease; backdrop-filter:blur(4px);
}
.cert-card:hover .cc-zoom { opacity:1; transform:translateY(0); }
.cc-zoom svg { width:16px; height:16px; }
.cc-meta { display:flex; align-items:center; gap:12px; padding:14px 16px 16px; }
.cc-issuer {
  flex-shrink:0; min-width:46px; height:46px; padding:0 8px; border-radius:11px; display:flex; align-items:center; justify-content:center; text-align:center;
  background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 14%,#fff),color-mix(in srgb,var(--accent) 8%,#fff));
  color:var(--accent-dark); font-weight:800; font-size:12px; letter-spacing:.3px; line-height:1.1;
  border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);
}
.cc-meta h5 { font-size:13.5px; font-weight:700; color:var(--navy-900); line-height:1.4; margin:0 0 3px; }
.cc-meta p { font-size:11.5px; color:var(--text-light); line-height:1.4; margin:0; }
/* 灯箱 */
.cert-lb { position:fixed; inset:0; z-index:3000; display:none; align-items:center; justify-content:center; }
.cert-lb.is-open { display:flex; }
.cert-lb .lb-dim { position:absolute; inset:0; background:rgba(6,16,32,.82); backdrop-filter:blur(6px); }
.lb-figure { position:relative; z-index:2; margin:0; max-width:min(92vw,1080px); max-height:92vh; display:flex; flex-direction:column; align-items:center; animation:lbIn .3s cubic-bezier(.22,.61,.36,1); }
@keyframes lbIn { from{opacity:0; transform:translateY(14px) scale(.97);} to{opacity:1; transform:none;} }
.lb-figure img { max-width:100%; max-height:78vh; border-radius:10px; box-shadow:0 30px 80px -20px rgba(0,0,0,.7); background:#fff; }
.lb-figure figcaption { margin-top:14px; color:#dbe6f5; text-align:center; }
.lb-figure figcaption h6 { font-size:15px; font-weight:700; color:#fff; margin:0 0 3px; }
.lb-figure figcaption p { font-size:12.5px; color:rgba(219,230,245,.75); margin:0; }
.lb-btn {
  position:absolute; z-index:3; width:48px; height:48px; border-radius:50%; border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.1); color:#fff; font-size:26px; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center; transition:all .2s ease; backdrop-filter:blur(4px);
}
.lb-btn:hover { background:rgba(255,255,255,.24); transform:scale(1.06); }
.lb-close { top:26px; right:30px; font-size:30px; }
.lb-prev { left:26px; top:50%; transform:translateY(-50%); }
.lb-next { right:26px; top:50%; transform:translateY(-50%); }
.lb-prev:hover,.lb-next:hover { transform:translateY(-50%) scale(1.06); }
.lb-count { position:absolute; z-index:3; bottom:26px; left:50%; transform:translateX(-50%); color:rgba(255,255,255,.7); font-size:12.5px; letter-spacing:1px; }
@media (max-width:768px){ .cert-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px} .cc-meta{gap:9px;padding:11px} .cc-issuer{min-width:40px;height:40px;font-size:11px} .lb-prev{left:8px}.lb-next{right:8px} }
/* ===================== 证书档案全览（分组紧凑墙） ===================== */
.arch-group { margin-bottom:46px; }
.arch-group:last-child { margin-bottom:6px; }
.arch-head { display:flex; align-items:center; gap:12px; margin-bottom:20px; }
.arch-bar { width:4px; height:20px; border-radius:3px; background:linear-gradient(180deg,var(--accent),var(--accent-dark)); flex-shrink:0; }
.arch-head h4 { font-size:17px; font-weight:700; color:var(--navy-900); margin:0; letter-spacing:.3px; display:flex; align-items:baseline; gap:10px; }
.arch-head h4 em { font-style:normal; font-size:12px; font-weight:700; color:var(--accent); background:color-mix(in srgb,var(--accent) 12%,#fff); border:1px solid color-mix(in srgb,var(--accent) 22%,transparent); border-radius:999px; padding:2px 10px; }
.cert-archive { grid-template-columns:repeat(auto-fill,minmax(158px,1fr)); gap:18px; }
.cert-archive .cc-paper { padding:10px 10px 0; aspect-ratio:1191/1684; }
.cert-archive .cc-meta { padding:10px 12px 12px; }
.cert-archive .cc-meta h5 { font-size:12.5px; line-height:1.35; margin-bottom:2px; }
.cert-archive .cc-meta p { font-size:10.5px; line-height:1.3; }
.cert-archive .cc-zoom { width:28px; height:28px; right:8px; bottom:10px; }
.cert-archive .cc-zoom svg { width:14px; height:14px; }
@media (max-width:768px){ .cert-archive{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px} .arch-group{margin-bottom:32px} .arch-head h4{font-size:15px} }
/* ===================== 全球联保 Global Service & Warranty ===================== */
.gcare{padding:74px 0;position:relative;}
.gcare-panel{position:relative;overflow:hidden;border-radius:22px;padding:52px 54px 40px;
  background:
    radial-gradient(900px 420px at 88% -10%, color-mix(in srgb,var(--accent) 26%,transparent), transparent 60%),
    radial-gradient(700px 500px at -6% 118%, color-mix(in srgb,#2f6bff 20%,transparent), transparent 55%),
    linear-gradient(135deg,#0b1f3a 0%,var(--navy-900) 55%,#0a1830 100%);
  box-shadow:0 30px 70px -34px rgba(11,31,58,.65);color:#eaf1fb;}
.gcare-panel::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);background-size:26px 26px;pointer-events:none;}
.gcare-globe{position:absolute;right:-46px;top:-46px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);opacity:.5;pointer-events:none;}
.gcare-globe::before,.gcare-globe::after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.1);inset:34px;}
.gcare-globe::after{inset:74px;}
.gcare-head{position:relative;max-width:760px;margin-bottom:38px;}
.gcare-tag{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;letter-spacing:2.4px;
  color:#ffd9bd;background:color-mix(in srgb,var(--accent) 18%,transparent);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);
  padding:5px 14px;border-radius:999px;margin-bottom:16px;}
.gcare-head h3{font-size:30px;font-weight:800;color:#fff;line-height:1.25;margin:0 0 12px;letter-spacing:.5px;}
.gcare-head p{margin:0;color:rgba(226,237,251,.78);font-size:15px;line-height:1.8;}
.gcare-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.gc-item{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:24px 22px;
  backdrop-filter:blur(4px);transition:transform .3s ease,background .3s ease,border-color .3s ease;}
.gc-item:hover{transform:translateY(-5px);background:rgba(255,255,255,.09);border-color:color-mix(in srgb,var(--accent) 55%,transparent);}
.gc-ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:15px;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;box-shadow:0 10px 22px -10px var(--accent);}
.gc-ico svg{width:23px;height:23px;}
.gc-item h5{color:#fff;font-size:16.5px;font-weight:700;margin:0 0 8px;}
.gc-item p{color:rgba(222,234,250,.72);font-size:13px;line-height:1.7;margin:0;}
.gcare-note{position:relative;margin-top:26px;font-size:12px;color:rgba(210,226,246,.5);letter-spacing:.3px;}
@media (max-width:980px){.gcare-grid{grid-template-columns:repeat(2,1fr)}.gcare-panel{padding:40px 30px 30px}.gcare-globe{display:none}}
@media (max-width:560px){.gcare{padding:54px 0}.gcare-grid{grid-template-columns:1fr}.gcare-head h3{font-size:23px}}
/* ===== 首屏全球联保提示条 Hero assurance ===== */
.hero-assure{display:inline-flex;align-items:center;gap:13px;margin-top:28px;padding:11px 20px 11px 12px;border-radius:14px;
  background:linear-gradient(135deg,rgba(224,90,43,.17),rgba(255,255,255,.05));
  border:1px solid rgba(245,130,77,.36);box-shadow:0 14px 30px -18px rgba(0,0,0,.6);max-width:100%;}
.ha-ico{width:40px;height:40px;border-radius:11px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ef6a3c,var(--accent-dark));color:#fff;box-shadow:0 8px 18px -8px var(--accent);}
.ha-ico svg{width:21px;height:21px;}
.ha-main{display:flex;flex-direction:column;line-height:1.32;text-align:left;}
.ha-main strong{font-size:14.5px;font-weight:800;color:#fff;letter-spacing:.4px;white-space:nowrap;}
.ha-main em{font-style:normal;font-size:12px;color:rgba(255,255,255,.66);margin-top:3px;white-space:nowrap;}
@media (max-width:768px){.hero-assure{margin-top:22px;padding:10px 15px 10px 10px}.ha-ico{width:36px;height:36px}.ha-main strong{font-size:13.5px;white-space:normal}.ha-main em{font-size:11px;white-space:normal}}

/* ===== 横版证书卡片（荣誉类原横版被扫描成竖图，已转正） ===== */
.cert-grid-align,.cert-grid{align-items:start;}
.cert-card.is-land .cc-paper{aspect-ratio:1684/1191;}
/* ===== 首页全球联保：并入深色国际认证区，无割裂 ===== */
#global-service{scroll-margin-top:108px;}
.gcare-on-dark{background:var(--navy-900);padding-top:0;padding-bottom:90px;}
@media (max-width:560px){.gcare-on-dark{padding-bottom:54px;}}
html{scroll-behavior:smooth;}
/* ===== 首屏联保提示：可点击 + 吸睛微交互 ===== */
a.hero-assure{text-decoration:none;cursor:pointer;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
a.hero-assure:hover{transform:translateY(-2px);border-color:rgba(245,130,77,.72);box-shadow:0 20px 44px -18px rgba(224,90,43,.6);}
.ha-arrow{margin-left:9px;display:flex;color:var(--accent-light);opacity:.92;flex-shrink:0;}
.ha-arrow svg{width:18px;height:18px;transition:transform .3s ease;}
a.hero-assure:hover .ha-arrow svg{transform:translateY(3px);}
.ha-ico{animation:haGlow 2.8s ease-in-out infinite;}
@keyframes haGlow{0%,100%{box-shadow:0 8px 18px -8px var(--accent);}50%{box-shadow:0 8px 24px -6px rgba(224,90,43,.9);}}
@media (prefers-reduced-motion:reduce){.ha-ico{animation:none;}html{scroll-behavior:auto;}}