/* ============================================
   昊诚工控 v3 — Light Frost Design
   淡蓝色主色 + 清新科技感 + 制冷元素
   ============================================ */

/* === Design Tokens === */
:root {
  --c-primary: #0288D1;
  --c-primary-mid: #03A9F4;
  --c-primary-light: #4FC3F7;
  --c-primary-lighter: #B3E5FC;
  --c-primary-lightest: #E1F5FE;
  --c-accent: #00BCD4;
  --c-accent-light: #E0F7FA;
  --c-accent-glow: rgba(0,188,212,0.12);
  --c-warm: #FF9800;
  --c-warm-light: #FFF3E0;
  --c-red: #EF5350;

  --c-white: #ffffff;
  --c-text: #01579B;
  --c-text-sub: #455A64;
  --c-text-muted: #90A4AE;
  --c-bg: #F0F8FF;
  --c-bg-card: #ffffff;
  --c-border: #E1F5FE;
  --c-border-mid: #B3E5FC;

  --shadow-xs: 0 1px 3px rgba(2,136,209,0.06);
  --shadow-sm: 0 2px 8px rgba(2,136,209,0.08);
  --shadow-md: 0 4px 20px rgba(2,136,209,0.10);
  --shadow-lg: 0 12px 40px rgba(2,136,209,0.15);
  --shadow-card: 0 4px 24px rgba(2,136,209,0.08);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 999px;

  --container: 1180px;
  --header-h: 84px;
  --hero-top: 164px;
  --font: "PingFang SC","Microsoft YaHei","Inter","Helvetica Neue",Arial,sans-serif;
}

/* === Reset === */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:16px; scroll-behavior:smooth; }
body { font-family:var(--font); color:var(--c-text-sub); background:var(--c-bg); line-height:1.7; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
a { color:inherit; text-decoration:none; }
ul,ol { list-style:none; }
img,svg { max-width:100%; display:block; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }
input,select,textarea { font-family:inherit; font-size:inherit; }

/* === Layout === */
.container { max-width:var(--container); margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section-alt { background:var(--c-white); }
.section-frost { background:linear-gradient(180deg,var(--c-primary-lightest) 0%,var(--c-white) 100%); }
.section-cyan { background:linear-gradient(180deg,var(--c-accent-light) 0%,var(--c-primary-lightest) 100%); }

.stitle { text-align:center; margin-bottom:56px; }
.stitle h2 { font-size:36px; font-weight:800; color:var(--c-text); margin-bottom:10px; line-height:1.3; letter-spacing:-0.5px; }
.stitle h2 em { color:var(--c-primary); font-style:normal; position:relative; }
.stitle h2 em::after { content:""; position:absolute; bottom:-2px; left:0; right:0; height:6px; background:var(--c-primary-lighter); border-radius:3px; z-index:-1; }
.stitle p { font-size:17px; color:var(--c-text-muted); max-width:640px; margin:0 auto; }
.stitle .line { width:56px; height:4px; background:linear-gradient(90deg,var(--c-primary),var(--c-accent)); margin:16px auto 0; border-radius:2px; }

/* === Header === */
.site-header { position:fixed; top:0; left:0; right:0; height:var(--header-h); background:rgba(255,255,255,0.92); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid var(--c-border); z-index:1000; transition:0.3s; }
.site-header.scrolled { box-shadow:var(--shadow-sm); }
.h-inner { max-width:var(--container); margin:0 auto; padding:0 24px; height:100%; display:flex; align-items:center; }

.logo { display:flex; align-items:center; gap:10px; font-weight:800; color:var(--c-text); font-size:17px; }
.logo-img { height:56px; width:auto; max-width:340px; display:block; flex-shrink:0; }
.logo-icon { width:36px; height:36px; background:linear-gradient(135deg,var(--c-primary),var(--c-accent)); border-radius:var(--r-sm); display:flex; align-items:center; justify-content:center; flex-shrink:0; box-shadow:0 2px 8px rgba(2,136,209,0.3); }
.logo-icon svg { width:22px; height:22px; }
.logo-txt { display:flex; flex-direction:column; line-height:1.15; }
.logo-txt .main { font-size:17px; }
.logo-txt .sub { font-size:10px; font-weight:500; color:var(--c-text-muted); letter-spacing:1px; }

.lang-bar { display:flex; gap:4px; margin-left:auto; }
.lang-btn { padding:5px 12px; font-size:12px; font-weight:600; border-radius:var(--r-sm); border:1px solid var(--c-border-mid); color:var(--c-text-sub); transition:0.2s; background:var(--c-white); }
.lang-btn:hover { background:var(--c-primary-lightest); color:var(--c-primary); border-color:var(--c-primary-light); }
.lang-btn.on { background:linear-gradient(135deg,var(--c-primary),var(--c-primary-mid)); color:var(--c-white); border-color:var(--c-primary); }

.nav { display:flex; align-items:center; gap:4px; margin-left:20px; }
.nav a { padding:8px 14px; font-size:15px; color:var(--c-text-sub); border-radius:var(--r-sm); transition:0.2s; font-weight:500; }
.nav a:hover,.nav a.on { color:var(--c-primary); background:var(--c-accent-glow); }
.nav-cta { background:linear-gradient(135deg,var(--c-primary),var(--c-accent)); color:var(--c-white)!important; padding:9px 24px!important; border-radius:var(--r-pill)!important; font-weight:600; box-shadow:0 2px 12px rgba(2,136,209,0.25); }
.nav-cta:hover { transform:translateY(-1px); box-shadow:0 4px 16px rgba(2,136,209,0.35); }

.menu-btn { display:none; flex-direction:column; gap:5px; padding:8px; margin-left:12px; }
.menu-btn span { width:24px; height:2.5px; background:var(--c-text); border-radius:2px; transition:0.3s; }

/* === Hero — Light Gradient === */
.hero { position:relative; background:linear-gradient(160deg,var(--c-primary-lightest) 0%,var(--c-primary-lighter) 40%,#D6F0FF 100%); padding:var(--hero-top) 0 100px; overflow:hidden; }
.hero::before { content:""; position:absolute; top:-150px; right:-150px; width:500px; height:500px; background:radial-gradient(circle,rgba(0,188,212,0.12) 0%,transparent 60%); border-radius:50%; }
.hero::after { content:""; position:absolute; bottom:-100px; left:-100px; width:400px; height:400px; background:radial-gradient(circle,rgba(2,136,209,0.08) 0%,transparent 60%); border-radius:50%; }

.hero-grid { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; position:relative; z-index:2; }
.hero-badge { display:inline-flex; align-items:center; gap:8px; padding:8px 20px; background:var(--c-white); border:1px solid var(--c-primary-lighter); border-radius:var(--r-pill); font-size:14px; font-weight:600; color:var(--c-primary); margin-bottom:28px; box-shadow:var(--shadow-xs); }
.hero-badge svg { width:16px; height:16px; }
.hero h1 { font-size:52px; font-weight:800; line-height:1.15; margin-bottom:24px; letter-spacing:-1.5px; color:var(--c-text); }
.hero h1 em { color:var(--c-primary); font-style:normal; position:relative; }
.hero h1 em::after { content:""; position:absolute; bottom:4px; left:0; right:0; height:12px; background:var(--c-primary-lighter); border-radius:4px; z-index:-1; opacity:0.6; }
.hero-sub { font-size:18px; color:var(--c-text-sub); margin-bottom:36px; line-height:1.7; }
.hero-btns { display:flex; gap:16px; margin-bottom:48px; flex-wrap:wrap; }

.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:14px 32px; border-radius:var(--r-pill); font-size:16px; font-weight:600; transition:0.25s; cursor:pointer; border:none; }
.btn-lg { padding:16px 40px; font-size:17px; }
.btn-primary { background:linear-gradient(135deg,var(--c-primary),var(--c-accent)); color:var(--c-white); box-shadow:0 4px 16px rgba(2,136,209,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(2,136,209,0.4); }
.btn-outline { background:var(--c-white); color:var(--c-primary); border:2px solid var(--c-primary-light); }
.btn-outline:hover { border-color:var(--c-primary); background:var(--c-primary-lightest); }
.btn-ghost { background:transparent; color:var(--c-primary); }
.btn-ghost:hover { background:var(--c-accent-glow); }

.temp-dash { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.temp-card { background:var(--c-white); border-radius:var(--r-lg); padding:20px 24px; text-align:center; box-shadow:var(--shadow-card); border:1px solid var(--c-border); }
.temp-card .tv { font-size:32px; font-weight:800; }
.temp-card .tv.cool { color:var(--c-accent); }
.temp-card .tv.hot { color:var(--c-warm); }
.temp-card .tv.diff { color:var(--c-primary); }
.temp-card .tl { font-size:13px; color:var(--c-text-muted); margin-top:4px; }

/* Hero illustration */
.hero-illust { position:relative; }
.hero-illust svg { width:100%; height:auto; filter:drop-shadow(0 12px 40px rgba(2,136,209,0.15)); }

/* === Features === */
.feat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.feat-card { background:var(--c-white); border-radius:var(--r-lg); padding:36px 28px; border:1px solid var(--c-border); transition:0.3s; position:relative; overflow:hidden; }
.feat-card::before { content:""; position:absolute; top:0; left:0; right:0; height:4px; background:linear-gradient(90deg,var(--c-primary),var(--c-accent)); opacity:0; transition:0.3s; }
.feat-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--c-primary-lighter); }
.feat-card:hover::before { opacity:1; }
.feat-icon { width:56px; height:56px; border-radius:var(--r-md); display:flex; align-items:center; justify-content:center; margin-bottom:20px; }
.feat-icon svg { width:28px; height:28px; }
.feat-card h3 { font-size:20px; font-weight:700; color:var(--c-text); margin-bottom:10px; }
.feat-card p { font-size:15px; color:var(--c-text-sub); line-height:1.7; margin-bottom:16px; }
.feat-tag { display:inline-block; padding:4px 14px; background:var(--c-accent-light); color:var(--c-accent); border-radius:var(--r-pill); font-size:13px; font-weight:600; }

/* === Works / Process === */
.works-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:32px; position:relative; }
.works-grid::before { content:""; position:absolute; top:40px; left:16%; right:16%; height:3px; background:linear-gradient(90deg,var(--c-primary-light),var(--c-accent),var(--c-primary-light)); border-radius:2px; z-index:0; }
.works-step { text-align:center; position:relative; z-index:1; }
.works-num { width:80px; height:80px; margin:0 auto 24px; background:var(--c-white); border:3px solid var(--c-primary-light); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:28px; font-weight:800; color:var(--c-primary); box-shadow:var(--shadow-sm); }
.works-step h3 { font-size:22px; font-weight:700; color:var(--c-text); margin-bottom:12px; }
.works-step p { font-size:15px; color:var(--c-text-sub); max-width:320px; margin:0 auto; }

/* === Products === */
.prod-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.prod-card { background:var(--c-white); border-radius:var(--r-lg); overflow:hidden; border:1px solid var(--c-border); transition:0.3s; display:flex; flex-direction:column; }
.prod-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.prod-img { height:200px; display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden; }
.prod-img.frost { background:linear-gradient(135deg,var(--c-primary-lightest),var(--c-accent-light)); }
.prod-img.ice { background:linear-gradient(135deg,var(--c-accent-light),var(--c-primary-lighter)); }
.prod-img.warm { background:linear-gradient(135deg,var(--c-warm-light),var(--c-primary-lightest)); }
.prod-img svg { width:120px; height:120px; }
.prod-img img { width:100%; height:100%; object-fit:cover; display:block; }
/* 产品分类筛选 */
.prod-filter { display:flex; flex-wrap:wrap; gap:12px; justify-content:center; margin-bottom:36px; }
.pf-btn { padding:9px 22px; border:1px solid var(--c-border); background:var(--c-white); color:var(--c-text-sub); border-radius:var(--r-pill); font-size:14px; font-weight:600; cursor:pointer; transition:0.25s; }
.pf-btn:hover { border-color:var(--c-primary); color:var(--c-primary); }
.pf-btn.active { background:var(--c-primary); border-color:var(--c-primary); color:#fff; }
.prod-card.hide { display:none; }
/* 研发中产品 */
.prod-card.coming { border-style:dashed; opacity:0.92; }
.prod-card.coming .prod-img { filter:grayscale(0.12); }
.coming-badge { position:absolute; top:16px; left:16px; z-index:2; padding:4px 12px; background:rgba(120,130,140,0.92); color:#fff; border-radius:var(--r-pill); font-size:12px; font-weight:600; letter-spacing:0.5px; }
.coming-desc { font-size:14px; color:var(--c-text-muted); margin:0 0 20px; line-height:1.6; }
.prod-badge { position:absolute; top:16px; right:16px; padding:6px 16px; border-radius:var(--r-pill); font-size:13px; font-weight:600; }
.prod-badge.frost { background:var(--c-accent); color:var(--c-white); }
.prod-badge.ice { background:var(--c-primary); color:var(--c-white); }
.prod-badge.warm { background:var(--c-warm); color:var(--c-white); }
.prod-tag { position:absolute; top:16px; left:16px; padding:4px 12px; background:rgba(255,255,255,0.9); border-radius:var(--r-pill); font-size:12px; font-weight:600; color:var(--c-text-sub); }
.prod-body { padding:28px; flex:1; display:flex; flex-direction:column; }
.prod-body h3 { font-size:24px; font-weight:800; color:var(--c-text); margin-bottom:4px; }
.prod-body .sub { font-size:14px; color:var(--c-text-muted); margin-bottom:16px; }
.prod-hls { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:16px; }
.prod-hls span { padding:4px 12px; background:var(--c-primary-lightest); color:var(--c-primary); border-radius:var(--r-sm); font-size:13px; font-weight:500; }
.prod-specs { margin-bottom:20px; }
.prod-specs li { padding:8px 0; border-bottom:1px solid var(--c-border); font-size:14px; color:var(--c-text-sub); display:flex; justify-content:space-between; }
.prod-specs li:last-child { border-bottom:none; }
.prod-actions { margin-top:auto; display:flex; gap:12px; }

/* === Industries === */
.ind-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.ind-card { background:var(--c-white); border-radius:var(--r-lg); padding:32px 20px; text-align:center; border:1px solid var(--c-border); transition:0.3s; }
.ind-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:var(--c-primary-lighter); }
.ind-icon { width:56px; height:56px; margin:0 auto 16px; background:var(--c-accent-light); border-radius:50%; display:flex; align-items:center; justify-content:center; }
.ind-icon svg { width:28px; height:28px; }
.ind-card h3 { font-size:18px; font-weight:700; color:var(--c-text); margin-bottom:8px; }
.ind-card p { font-size:14px; color:var(--c-text-muted); }

/* === About === */
.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.about-text h2 { font-size:36px; font-weight:800; color:var(--c-text); line-height:1.3; margin-bottom:24px; }
.about-text h2 em { color:var(--c-primary); font-style:normal; }
.about-text p { font-size:16px; color:var(--c-text-sub); margin-bottom:20px; line-height:1.8; }
.about-list { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:28px; }
.about-list li { display:flex; align-items:center; gap:10px; font-size:15px; color:var(--c-text); font-weight:500; }
.about-list li::before { content:""; width:20px; height:20px; background:var(--c-accent); border-radius:50%; flex-shrink:0; position:relative; }
.about-list li::after { content:"\2713"; position:absolute; left:25px; color:var(--c-white); font-size:13px; font-weight:700; }
.about-visual { position:relative; }
.about-visual .av-main { width:100%; aspect-ratio:1; background:linear-gradient(135deg,var(--c-primary-lightest),var(--c-accent-light)); border-radius:var(--r-xl); display:flex; align-items:center; justify-content:center; }
.about-visual .av-main svg { width:60%; height:60%; }
.about-visual .av-badge { position:absolute; bottom:24px; right:24px; background:var(--c-white); padding:16px 24px; border-radius:var(--r-lg); box-shadow:var(--shadow-md); text-align:center; }
.about-visual .av-badge .n { font-size:28px; font-weight:800; color:var(--c-primary); }
.about-visual .av-badge .l { font-size:13px; color:var(--c-text-muted); }

/* === Stats === */
.stats-row { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.stat-item { text-align:center; padding:32px 16px; background:var(--c-white); border-radius:var(--r-lg); border:1px solid var(--c-border); }
.stat-item .num { font-size:42px; font-weight:800; color:var(--c-primary); }
.stat-item .unit { font-size:18px; font-weight:600; color:var(--c-accent); }
.stat-item .label { font-size:14px; color:var(--c-text-muted); margin-top:4px; }

/* === CTA Banner === */
.cta-banner { background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-accent) 100%); border-radius:var(--r-xl); padding:56px 48px; text-align:center; color:var(--c-white); position:relative; overflow:hidden; }
.cta-banner::before { content:""; position:absolute; top:-50%; right:-10%; width:400px; height:400px; background:rgba(255,255,255,0.08); border-radius:50%; }
.cta-banner h2 { font-size:32px; font-weight:800; margin-bottom:16px; position:relative; z-index:1; }
.cta-banner p { font-size:17px; opacity:0.9; margin-bottom:32px; position:relative; z-index:1; }
.cta-banner .btn { background:var(--c-white); color:var(--c-primary); }
.cta-banner .btn:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,0.15); }
.cta-btns { display:flex; gap:16px; justify-content:center; position:relative; z-index:1; flex-wrap:wrap; }
.cta-btns .btn-outline { background:transparent; color:var(--c-white); border:2px solid rgba(255,255,255,0.5); }
.cta-btns .btn-outline:hover { background:rgba(255,255,255,0.15); border-color:var(--c-white); }

/* === Cases === */
.case-card { display:grid; grid-template-columns:200px 1fr; gap:32px; background:var(--c-white); border-radius:var(--r-lg); padding:32px; border:1px solid var(--c-border); transition:0.3s; }
.case-card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.case-tag { display:inline-block; padding:4px 14px; background:var(--c-accent-light); color:var(--c-accent); border-radius:var(--r-pill); font-size:13px; font-weight:600; margin-bottom:12px; }
.case-card h3 { font-size:20px; font-weight:700; color:var(--c-text); margin-bottom:12px; }
.case-card p { font-size:15px; color:var(--c-text-sub); margin-bottom:20px; line-height:1.7; }
.case-metrics { display:flex; gap:32px; }
.case-metric .v { font-size:28px; font-weight:800; color:var(--c-primary); }
.case-metric .l { font-size:13px; color:var(--c-text-muted); }

/* === Reviews === */
.rev-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.rev-card { background:var(--c-white); border-radius:var(--r-lg); padding:32px; border:1px solid var(--c-border); }
.rev-stars { color:var(--c-warm); font-size:18px; margin-bottom:16px; }
.rev-card p { font-size:15px; color:var(--c-text-sub); line-height:1.7; margin-bottom:20px; }
.rev-author { display:flex; align-items:center; gap:12px; }
.rev-avatar { width:44px; height:44px; border-radius:50%; background:linear-gradient(135deg,var(--c-primary),var(--c-accent)); display:flex; align-items:center; justify-content:center; color:var(--c-white); font-weight:700; font-size:18px; }
.rev-name { font-size:15px; font-weight:700; color:var(--c-text); }
.rev-role { font-size:13px; color:var(--c-text-muted); }

/* === Selection Steps === */
.steps-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.step-card { background:var(--c-white); border-radius:var(--r-lg); padding:32px; border:1px solid var(--c-border); text-align:center; transition:0.3s; }
.step-card:hover { box-shadow:var(--shadow-md); }
.step-num { width:48px; height:48px; margin:0 auto 20px; background:linear-gradient(135deg,var(--c-primary),var(--c-accent)); color:var(--c-white); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:18px; font-weight:800; }
.step-card h3 { font-size:20px; font-weight:700; color:var(--c-text); margin-bottom:10px; }
.step-card p { font-size:15px; color:var(--c-text-sub); }

/* === Spec Table === */
.spec-table { width:100%; border-collapse:collapse; background:var(--c-white); border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow-card); }
.spec-table th,.spec-table td { padding:16px 20px; text-align:center; border-bottom:1px solid var(--c-border); font-size:15px; }
.spec-table th { background:var(--c-primary-lightest); color:var(--c-text); font-weight:700; }
.spec-table th:first-child { text-align:left; }
.spec-table td:first-child { text-align:left; font-weight:600; color:var(--c-text); }
.spec-table tr.highlight td { background:var(--c-accent-light); }
.spec-table tr:last-child td { border-bottom:none; }
.spec-table tr:hover td { background:var(--c-primary-lightest); }

/* === Timeline === */
.tl-wrap { position:relative; max-width:800px; margin:0 auto; }
.tl-wrap::before { content:""; position:absolute; left:50%; top:0; bottom:0; width:3px; background:linear-gradient(180deg,var(--c-primary),var(--c-accent)); transform:translateX(-50%); border-radius:2px; }
.tl-row { display:grid; grid-template-columns:1fr 50px 1fr; gap:0; margin-bottom:40px; align-items:center; }
.tl-row:nth-child(odd) .tl-box { grid-column:1; text-align:right; padding-right:24px; }
.tl-row:nth-child(even) .tl-box { grid-column:3; text-align:left; padding-left:24px; }
.tl-dot { grid-column:2; width:20px; height:20px; background:var(--c-white); border:4px solid var(--c-primary); border-radius:50%; margin:0 auto; position:relative; z-index:1; }
.tl-box { background:var(--c-white); padding:24px; border-radius:var(--r-lg); border:1px solid var(--c-border); box-shadow:var(--shadow-sm); }
.tl-box .yr { font-size:13px; font-weight:600; color:var(--c-accent); text-transform:uppercase; letter-spacing:1px; }
.tl-box h3 { font-size:18px; font-weight:700; color:var(--c-text); margin:6px 0 8px; }
.tl-box p { font-size:14px; color:var(--c-text-sub); }

/* === Certifications === */
.cert-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.cert-card { background:var(--c-white); border-radius:var(--r-lg); padding:32px 20px; text-align:center; border:1px solid var(--c-border); transition:0.3s; }
.cert-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.cert-icon { width:60px; height:60px; margin:0 auto 16px; background:var(--c-primary-lightest); border-radius:50%; display:flex; align-items:center; justify-content:center; }
.cert-icon span { font-size:18px; font-weight:800; color:var(--c-primary); }
.cert-card h3 { font-size:16px; font-weight:700; color:var(--c-text); margin-bottom:6px; }
.cert-card p { font-size:13px; color:var(--c-text-muted); }

/* === Contact === */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:48px; }
.ci-list { display:flex; flex-direction:column; gap:24px; margin-bottom:32px; }
.ci-item { display:flex; gap:16px; align-items:flex-start; }
.ci-icon { width:48px; height:48px; background:var(--c-accent-light); border-radius:var(--r-md); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.ci-icon svg { width:24px; height:24px; }
.ci-info .label { font-size:13px; color:var(--c-text-muted); margin-bottom:4px; }
.ci-info .value { font-size:17px; font-weight:600; color:var(--c-text); }
.ci-info a { color:var(--c-primary); }

/* === Form === */
.form-box { background:var(--c-white); border-radius:var(--r-lg); padding:36px; border:1px solid var(--c-border); box-shadow:var(--shadow-card); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { margin-bottom:20px; }
.form-group label { display:block; font-size:14px; font-weight:600; color:var(--c-text); margin-bottom:6px; }
.form-group label .req { color:var(--c-red); }
.form-group input,.form-group select,.form-group textarea { width:100%; padding:12px 16px; border:1.5px solid var(--c-border-mid); border-radius:var(--r-sm); font-size:15px; color:var(--c-text); background:var(--c-bg); transition:0.2s; }
.form-group input:focus,.form-group select:focus,.form-group textarea:focus { outline:none; border-color:var(--c-primary); background:var(--c-white); box-shadow:0 0 0 3px var(--c-accent-glow); }
.form-group textarea { resize:vertical; min-height:100px; }

/* === FAQ === */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { background:var(--c-white); border-radius:var(--r-md); margin-bottom:12px; border:1px solid var(--c-border); overflow:hidden; transition:0.3s; }
.faq-item.open { box-shadow:var(--shadow-sm); border-color:var(--c-primary-lighter); }
.faq-q { padding:20px 24px; display:flex; justify-content:space-between; align-items:center; cursor:pointer; font-size:16px; font-weight:600; color:var(--c-text); }
.faq-q .arrow { width:24px; height:24px; transition:0.3s; flex-shrink:0; }
.faq-item.open .faq-q .arrow { transform:rotate(180deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height 0.3s ease; }
.faq-item.open .faq-a { max-height:300px; }
.faq-a-inner { padding:0 24px 20px; font-size:15px; color:var(--c-text-sub); line-height:1.7; }

/* === Custom Page === */
.cust-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.cust-card { background:var(--c-white); border-radius:var(--r-lg); padding:28px; border:1px solid var(--c-border); transition:0.3s; }
.cust-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:var(--c-primary-lighter); }
.cust-icon { width:52px; height:52px; background:linear-gradient(135deg,var(--c-primary-lightest),var(--c-accent-light)); border-radius:var(--r-md); display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.cust-icon svg { width:26px; height:26px; }
.cust-card h3 { font-size:18px; font-weight:700; color:var(--c-text); margin-bottom:8px; }
.cust-card p { font-size:14px; color:var(--c-text-sub); margin-bottom:14px; line-height:1.6; }
.cust-opts { display:flex; flex-direction:column; gap:6px; }
.cust-opts li { font-size:13px; color:var(--c-text-sub); display:flex; align-items:center; gap:6px; }
.cust-opts li::before { content:"\2022"; color:var(--c-accent); font-size:16px; }

.scen-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.scen-card { background:var(--c-white); border-radius:var(--r-lg); padding:28px; border:1px solid var(--c-border); border-left:4px solid var(--c-primary); transition:0.3s; }
.scen-card:hover { box-shadow:var(--shadow-md); }
.scen-tag { display:inline-block; padding:4px 12px; background:var(--c-accent-light); color:var(--c-accent); border-radius:var(--r-pill); font-size:12px; font-weight:600; margin-bottom:10px; }
.scen-card h3 { font-size:18px; font-weight:700; color:var(--c-text); margin-bottom:10px; }
.scen-card p { font-size:14px; color:var(--c-text-sub); line-height:1.6; }

.chk-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.chk-item { display:flex; align-items:center; gap:12px; padding:16px; background:var(--c-white); border-radius:var(--r-md); border:1px solid var(--c-border); cursor:pointer; transition:0.2s; font-size:15px; color:var(--c-text-sub); }
.chk-item:hover { border-color:var(--c-primary-light); background:var(--c-primary-lightest); }
.chk-item input { width:20px; height:20px; accent-color:var(--c-primary); }

/* === Page Banner === */
.page-banner { padding:calc(var(--header-h)+64px) 0 64px; background:linear-gradient(135deg,var(--c-primary-lightest) 0%,var(--c-primary-lighter) 100%); text-align:center; position:relative; overflow:hidden; }
.page-banner::before { content:""; position:absolute; top:-100px; right:-100px; width:400px; height:400px; background:radial-gradient(circle,rgba(0,188,212,0.1) 0%,transparent 60%); }
.page-banner h1 { font-size:44px; font-weight:800; color:var(--c-text); margin-bottom:12px; position:relative; z-index:1; }
.page-banner h1 em { color:var(--c-primary); font-style:normal; }
.page-banner p { font-size:18px; color:var(--c-text-sub); position:relative; z-index:1; }
.pf-supply { display:inline-block; max-width:880px; margin:18px auto 0; padding:12px 20px; font-size:16px; font-weight:600; line-height:1.6; color:var(--c-primary); background:rgba(255,255,255,0.72); border:1px solid var(--c-primary-light); border-radius:var(--r-md); box-shadow:var(--shadow-sm); position:relative; z-index:1; }

/* Breadcrumb */
.breadcrumb { display:flex; gap:8px; align-items:center; font-size:14px; color:var(--c-text-muted); margin-bottom:24px; }
.breadcrumb a:hover { color:var(--c-primary); }
.breadcrumb span { color:var(--c-text-sub); }

/* === Footer === */
.site-footer { background:linear-gradient(135deg,var(--c-text) 0%,#013a6b 100%); color:rgba(255,255,255,0.85); padding:64px 0 24px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.5fr; gap:40px; margin-bottom:40px; }
.footer-col h4 { font-size:16px; font-weight:700; color:var(--c-white); margin-bottom:20px; }
.footer-col p { font-size:14px; line-height:1.7; margin-bottom:16px; opacity:0.8; }
.footer-col p.fci { display:flex; align-items:center; gap:8px; margin-bottom:12px; }
.footer-col p.fci svg { width:14px; height:14px; flex-shrink:0; opacity:0.9; }
.footer-col a { display:block; padding:6px 0; font-size:14px; opacity:0.8; transition:0.2s; }
.footer-col a:hover { opacity:1; color:var(--c-primary-light); padding-left:4px; }
.footer-col .logo { color:var(--c-white); margin-bottom:16px; }
.footer-col .logo .sub { color:rgba(255,255,255,0.6); }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); padding-top:24px; text-align:center; font-size:13px; opacity:0.6; }
.footer-bottom .icp { margin-top:6px; opacity:0.85; }
.footer-bottom .icp a { color:rgba(255,255,255,0.85); text-decoration:none; }
.footer-bottom .icp a:hover { color:var(--c-primary-light); }

/* === Float Bar === */
.float-bar { position:fixed; bottom:0; left:0; right:0; background:rgba(255,255,255,0.96); backdrop-filter:blur(12px); border-top:1px solid var(--c-border); padding:12px 24px; z-index:999; display:flex; align-items:center; justify-content:center; gap:20px; }
.fb-text { font-size:14px; color:var(--c-text-muted); }
.fb-email { font-size:14px; font-weight:600; color:var(--c-primary); }
.fb-phone { font-size:18px; font-weight:800; color:var(--c-primary); }
.float-side { position:fixed; bottom:80px; right:20px; display:flex; flex-direction:column; gap:12px; z-index:999; }
.float-btn { width:48px; height:48px; background:var(--c-white); border-radius:50%; display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow-md); transition:0.3s; border:1px solid var(--c-border); }
.float-btn:hover { transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.float-btn .tip { position:absolute; right:56px; background:var(--c-text); color:var(--c-white); padding:6px 12px; border-radius:var(--r-sm); font-size:13px; white-space:nowrap; opacity:0; pointer-events:none; transition:0.2s; }
.float-btn:hover .tip { opacity:1; }

/* === Fade Animation === */
.fade-up { opacity:0; transform:translateY(28px); transition:opacity 0.6s ease,transform 0.6s ease; }
.fade-up.in { opacity:1; transform:translateY(0); }

/* === Breadcrumb JSON-LD === */
.breadcrumb-json { display:none; }

/* === Responsive === */
@media(max-width:1024px) {
  .adv-grid,.ind-grid,.cert-grid { grid-template-columns:repeat(2,1fr); }
  .prod-grid { grid-template-columns:repeat(2,1fr); }
  .stats-row { grid-template-columns:repeat(2,1fr); gap:24px; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .feat-grid { grid-template-columns:repeat(2,1fr); }
  .cust-grid { grid-template-columns:repeat(2,1fr); }
  .chk-grid { grid-template-columns:repeat(2,1fr); }
  .nav a { padding:8px 10px; font-size:14px; }
}
@media(max-width:768px) {
  .section { padding:56px 0; }
  .hero { padding:110px 0 64px; }
  :root { --header-h: 68px; --hero-top: 120px; }
  .logo { font-size:15px; gap:8px; }
  .logo-img { height:48px; }
  .logo-icon { width:32px; height:32px; }
  .logo-icon svg { width:18px; height:18px; }
  .logo-txt .sub { font-size:9px; }
  .hero h1 { font-size:32px; }
  .hero-sub { font-size:15px; }
  .stitle h2 { font-size:26px; }
  .hero-grid,.about-grid,.contact-grid,.works-grid,.showcase-grid { grid-template-columns:1fr; gap:40px; }
  .feat-grid,.ind-grid,.cert-grid,.prod-grid,.stats-row,.footer-grid,.rev-grid,.steps-grid { grid-template-columns:1fr; }
  .cust-grid,.scen-grid { grid-template-columns:1fr; }
  .chk-grid { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
  .temp-dash { grid-template-columns:1fr; gap:12px; }
  .nav { display:none; position:fixed; top:var(--header-h); left:0; right:0; background:var(--c-white); flex-direction:column; padding:16px; border-bottom:1px solid var(--c-border); box-shadow:var(--shadow-md); }
  .nav.open { display:flex; }
  .nav a { padding:14px 16px; }
  .nav-cta { margin:8px 0 0; text-align:center; }
  .menu-btn { display:flex; }
  .float-bar .fb-text { display:none; }
  .float-side { bottom:72px; right:12px; }
  .lang-bar { margin-left:auto; }
  .case-card { grid-template-columns:1fr; }
  .case-metrics { flex-wrap:wrap; gap:16px; }
  .tl-wrap::before { left:20px; }
  .tl-row { grid-template-columns:40px 1fr; }
  .tl-row:nth-child(even) .tl-box,.tl-row:nth-child(odd) .tl-box { grid-column:2; text-align:left; padding-right:0; padding-left:24px; }
  .tl-dot { grid-column:1; }
  .about-visual .av-badge { right:0; }
  .page-banner h1 { font-size:28px; }
  .cta-banner { padding:36px 24px; }
  .cta-banner h2 { font-size:24px; }
  .about-list { grid-template-columns:1fr; }
}

/* === 产品定制 · 技术实力板块 === */
.tech-strength { background:linear-gradient(135deg,#eef7fd 0%,#f6fbff 100%); }
.tech-strength .tech-intro { max-width:860px; margin:0 auto 44px; font-size:16px; line-height:1.95; color:var(--c-text-sub); text-align:center; }
.tech-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-bottom:52px; }
.stat { background:var(--c-white); border:1px solid var(--c-border); border-radius:14px; padding:26px 16px; text-align:center; box-shadow:0 2px 10px rgba(2,136,209,0.06); transition:transform .25s ease,box-shadow .25s ease; }
.stat:hover { transform:translateY(-4px); box-shadow:0 10px 26px rgba(2,136,209,0.14); }
.stat-num { font-size:36px; font-weight:800; color:var(--c-primary); line-height:1.1; letter-spacing:-0.5px; }
.stat-label { margin-top:8px; font-size:13px; color:var(--c-text-sub); }
.cap-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.cap-card { background:var(--c-white); border:1px solid var(--c-border); border-radius:18px; padding:34px; box-shadow:0 2px 10px rgba(2,136,209,0.06); }
.cap-badge { display:inline-flex; align-items:center; justify-content:center; width:42px; height:42px; border-radius:50%; background:linear-gradient(135deg,var(--c-primary),var(--c-accent)); color:#fff; font-weight:800; font-size:16px; margin-bottom:18px; }
.cap-card h3 { font-size:21px; margin-bottom:12px; color:var(--c-text); }
.cap-card p { color:var(--c-text-sub); line-height:1.85; margin-bottom:18px; }
.cap-items { list-style:none; padding:0; margin:0; }
.cap-items li { position:relative; padding-left:24px; margin-bottom:11px; font-size:14.5px; color:var(--c-text); line-height:1.6; }
.cap-items li::before { content:""; position:absolute; left:0; top:8px; width:9px; height:9px; border-radius:50%; background:var(--c-accent); }
@media(max-width:768px) {
  .tech-stats { grid-template-columns:repeat(2,1fr); gap:14px; }
  .stat-num { font-size:30px; }
  .cap-grid { grid-template-columns:1fr; }
}

/* 技术白皮书下载卡片（产品页 + 页脚入口） */
.wp-section { padding:48px 0; }
.wp-card { display:flex; align-items:center; gap:22px; background:linear-gradient(135deg,#EAF4FE,#E6F7FB); border:1px solid #BFE3FB; border-radius:16px; padding:26px 30px; box-shadow:0 4px 16px rgba(2,136,209,0.08); }
.wp-icon { width:54px; height:54px; flex:0 0 auto; display:flex; align-items:center; justify-content:center; background:#fff; border-radius:14px; box-shadow:0 2px 10px rgba(2,136,209,0.18); }
.wp-text { flex:1 1 auto; }
.wp-text h3 { font-size:20px; font-weight:800; color:#0F2A43; margin:0 0 4px; }
.wp-text p { font-size:14px; color:#5A6B7B; margin:0; }
.wp-btn { flex:0 0 auto; white-space:nowrap; }
.wp-foot { display:block; margin-top:8px; color:#1E6FE0; font-weight:600; }
.wp-foot:hover { text-decoration:underline; }
@media (max-width:640px) {
  .wp-card { flex-wrap:wrap; }
  .wp-btn { width:100%; }
}

/* === 技术博客（中文站 E-E-A-T 内容维度） === */
.blog-list { padding:64px 0 72px; }
.blog-h1 { font-size:38px; font-weight:800; color:var(--c-text); margin:0 0 8px; }
.blog-sub { color:var(--c-text-sub); font-size:16px; margin:0 0 40px; }
.blog-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.blog-card { background:var(--c-white); border:1px solid var(--c-border); border-radius:16px; padding:28px 30px; box-shadow:0 2px 10px rgba(2,136,209,0.06); transition:transform .25s ease,box-shadow .25s ease; }
.blog-card:hover { transform:translateY(-4px); box-shadow:0 12px 30px rgba(2,136,209,0.14); }
.bc-meta { font-size:13px; color:var(--c-accent); font-weight:600; margin-bottom:10px; }
.blog-card h3 { font-size:19px; line-height:1.5; margin:0 0 12px; }
.blog-card h3 a { color:var(--c-text); text-decoration:none; }
.blog-card h3 a:hover { color:var(--c-primary); }
.blog-card p { color:var(--c-text-sub); font-size:14.5px; line-height:1.8; margin:0 0 16px; }
.bc-more { color:var(--c-primary); font-weight:700; font-size:14px; text-decoration:none; }
.bc-more:hover { text-decoration:underline; }

.blog-article { padding:56px 0 72px; max-width:860px; }
.ba-meta { font-size:13px; color:var(--c-accent); font-weight:600; margin-bottom:10px; }
.ba-title { font-size:34px; font-weight:800; color:var(--c-text); line-height:1.35; margin:0 0 28px; }
.post-body { color:var(--c-text); font-size:16px; line-height:1.95; }
.post-body h2 { font-size:24px; font-weight:800; color:var(--c-text); margin:38px 0 14px; padding-left:14px; border-left:4px solid var(--c-primary); line-height:1.4; }
.post-body p { margin:0 0 16px; }
.post-body ul,.post-body ol { margin:0 0 18px; padding-left:24px; }
.post-body ul { list-style:disc; }
.post-body ol { list-style:decimal; }
.post-body li { margin-bottom:9px; line-height:1.8; }
.post-body pre.formula { background:var(--c-primary-lightest); border:1px solid var(--c-border); border-radius:10px; padding:14px 18px; font-size:16px; font-weight:700; color:var(--c-primary); overflow-x:auto; margin:0 0 18px; }
.post-body table.spec { width:100%; border-collapse:collapse; background:var(--c-white); border-radius:12px; overflow:hidden; box-shadow:var(--shadow-card); margin:0 0 20px; }
.post-body table.spec th,.post-body table.spec td { padding:13px 16px; text-align:center; border-bottom:1px solid var(--c-border); font-size:14.5px; }
.post-body table.spec th { background:var(--c-primary-lightest); color:var(--c-text); font-weight:700; }
.post-body table.spec th:first-child,.post-body table.spec td:first-child { text-align:left; }
.post-body table.spec tr:last-child td { border-bottom:none; }
.ba-foot { margin-top:40px; display:flex; gap:14px; flex-wrap:wrap; }
/* 博客通用 FAQ 区块（页面可见内容，与 FAQPage 结构化数据严格一致） */
.ba-faq { margin:44px 0 0; padding:26px 30px; background:var(--c-primary-lightest); border:1px solid var(--c-border-mid); border-radius:var(--r-md); }
.ba-faq h2 { font-size:22px; font-weight:800; color:var(--c-text); margin:0 0 16px; }
.ba-faq-item { border-bottom:1px solid var(--c-border-mid); padding:14px 0; }
.ba-faq-item:last-child { border-bottom:none; padding-bottom:0; }
.ba-faq-item:first-of-type { padding-top:0; }
.ba-faq-item summary { font-size:16.5px; font-weight:700; color:var(--c-text); cursor:pointer; list-style:none; display:flex; align-items:flex-start; gap:10px; line-height:1.6; }
.ba-faq-item summary::-webkit-details-marker { display:none; }
.ba-faq-item summary::before { content:"+"; color:var(--c-accent); font-weight:800; font-size:20px; line-height:1.35; flex-shrink:0; }
.ba-faq-item[open] summary::before { content:"\2212"; }
.ba-faq-item p { margin:10px 0 0 26px; font-size:15.5px; line-height:1.9; color:var(--c-text-sub); }
@media (max-width:768px) {
  .blog-grid { grid-template-columns:1fr; }
  .blog-h1 { font-size:30px; }
  .ba-title { font-size:27px; }
  .blog-article { padding:40px 0 56px; }
  .ba-faq { padding:20px 18px; margin-top:34px; }
  .ba-faq h2 { font-size:19px; }
  .ba-faq-item p { margin-left:24px; font-size:15px; }
}

/* ===== 选型计算器（zh/calculator.html） ===== */
.calc-page { padding:48px 0 56px; }
.calc-card { display:flex; gap:28px; flex-wrap:wrap; background:var(--c-white); border:1px solid var(--c-border); border-radius:16px; padding:28px; box-shadow:var(--shadow-card); }
.calc-form { display:grid; grid-template-columns:1fr 1fr; gap:16px; flex:1; min-width:280px; align-content:start; }
.calc-form label { display:flex; flex-direction:column; font-size:14px; color:var(--c-text-sub); gap:7px; font-weight:600; }
.calc-form input { padding:11px 13px; border:1px solid var(--c-border); border-radius:10px; font-size:15px; color:var(--c-text); background:var(--c-primary-lightest); }
.calc-form input:focus { outline:none; border-color:var(--c-primary); }
.calc-form button { grid-column:1 / -1; justify-self:start; padding:12px 26px; }
.calc-result { flex:1; min-width:280px; }
.hc-rbox p { margin:0 0 10px; font-size:15px; }
.hc-rbox p b { color:var(--c-primary); }
.hc-rec { font-size:17px; margin-top:6px; }
.hc-rec a { font-weight:800; }
.hc-tbl { margin:14px 0 18px; }
.hc-tbl tr.on td { background:var(--c-primary-lightest); font-weight:700; }
.calc-note { margin-top:30px; background:var(--c-primary-lightest); border-radius:14px; padding:22px 26px; }
.calc-note h3 { margin:0 0 10px; font-size:18px; color:var(--c-text); }
.calc-note p { margin:0 0 10px; font-size:15px; line-height:1.8; }

/* ===== 行业伙伴（zh/partners.html） ===== */
.partners-page { padding:48px 0 56px; }
.partner-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:18px; margin:26px 0 8px; }
.partner-card { display:flex; flex-direction:column; gap:8px; padding:20px 22px; background:var(--c-white); border:1px solid var(--c-border); border-radius:14px; text-decoration:none; box-shadow:var(--shadow-card); transition:.18s; }
.partner-card:hover { border-color:var(--c-primary); transform:translateY(-3px); }
.pc-cat { font-size:12px; color:var(--c-primary); font-weight:700; letter-spacing:.5px; }
.pc-name { font-size:18px; color:var(--c-text); }
.pc-desc { font-size:13.5px; color:var(--c-text-sub); font-style:normal; line-height:1.7; }
.pc-url { font-size:12.5px; color:var(--c-text-sub); word-break:break-all; }
@media (max-width:768px) {
  .calc-form { grid-template-columns:1fr; }
  .calc-card { padding:20px; }
}

/* ===== 相关推荐（站内内链权重回流） ===== */
.related { padding:42px 0 10px; background:var(--c-bg, #F5FAFF); }
.related-h { font-size:20px; color:var(--c-text, #1A2B3C); margin:0 0 18px; font-weight:700; }
.related-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(220px, 1fr)); gap:14px; }
.rel-card { display:flex; align-items:center; gap:10px; padding:14px 18px; background:var(--c-white, #fff);
  border:1px solid var(--c-border, #E3EDF5); border-radius:12px; text-decoration:none; color:var(--c-text, #1A2B3C);
  font-weight:600; transition:.18s; box-shadow:var(--shadow-card, 0 4px 16px rgba(2,136,209,.06)); }
.rel-card:hover { border-color:var(--c-primary, #0288D1); transform:translateY(-2px); color:var(--c-primary, #0288D1); }
.rel-dot { width:8px; height:8px; border-radius:50%; background:var(--c-primary, #0288D1); flex:0 0 auto; }

/* ===== 关于我们 · 预制舱整舱业务板块 ===== */
.pfab-about-lead { max-width:860px; margin:0 auto; text-align:center; font-size:17px;
  line-height:1.9; color:var(--c-text-sub, #455A64); }
.pfab-about-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:40px; }
.pfab-about-grid .step-card { text-align:left; padding:26px 24px; }
.pfab-about-cta { text-align:center; margin-top:36px; }
@media(max-width:1024px){ .pfab-about-grid { grid-template-columns:repeat(2,1fr); } }
@media(max-width:600px){ .pfab-about-grid { grid-template-columns:1fr; } }

/* ===== 关于我们 · 使命与愿景下的价值观卡片（此前已计算但未渲染，现补上） ===== */
.about-values-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; margin-top:48px; }
@media(max-width:900px){ .about-values-grid { grid-template-columns:1fr; } }