/* ============================================================
   广州众邦环境服务有限公司 官网样式
   品牌色：青绿 #2EBFB8 / #4ECDC4，深青 #0E3B36
   ============================================================ */

:root {
  --brand: #2EBFB8;
  --brand-light: #4ECDC4;
  --brand-dark: #1E9E97;
  --ink: #0E3B36;
  --ink-deep: #092926;
  --text: #33413E;
  --text-light: #6B7B78;
  --bg-soft: #F5FBFA;
  --bg-card: #FFFFFF;
  --line: #E2EEEC;
  --warn: #F59E0B;
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(14, 59, 54, 0.06);
  --shadow-md: 0 8px 28px rgba(14, 59, 54, 0.10);
  --shadow-lg: 0 16px 48px rgba(14, 59, 54, 0.16);
  --container: 1180px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: #FFFFFF;
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- 通用文字 ---------- */
h1, h2, h3, h4 { color: var(--ink); line-height: 1.35; font-weight: 700; }

.section { padding: 84px 0; }
.section-soft { background: var(--bg-soft); }

.sec-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.sec-head .kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--brand-dark); font-size: 14px; font-weight: 600;
  letter-spacing: 4px; margin-bottom: 14px;
}
.sec-head .kicker::before, .sec-head .kicker::after {
  content: ""; width: 26px; height: 2px; background: var(--brand); border-radius: 2px;
}
.sec-head h2 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 14px; }
.sec-head p { color: var(--text-light); font-size: 16px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; border: 2px solid transparent;
  font-size: 16px; font-weight: 600; cursor: pointer; transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%); color: #fff; box-shadow: 0 8px 22px rgba(46, 191, 184, .35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(46, 191, 184, .45); }
.btn-ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; }
.btn-outline { border-color: var(--brand); color: var(--brand-dark); }
.btn-outline:hover { background: var(--brand); color: #fff; }
.btn-lg { padding: 16px 38px; font-size: 17px; }

/* ---------- 顶部工具栏 ---------- */
.topbar {
  background: var(--ink); color: rgba(255,255,255,.82);
  font-size: 13.5px; padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar-item svg { flex: none; }
.topbar-item a:hover { color: #fff; }
.topbar .hotline strong { color: var(--brand-light); font-size: 15px; letter-spacing: .5px; }
.topbar-right { display: flex; align-items: center; gap: 22px; }

/* ---------- 主导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 14px rgba(14,59,54,.05);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 96px; gap: 20px; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  flex: none; display: flex; align-items: center; justify-content: center;
}
.logo-mark:has(img) { background: transparent; width: auto; height: auto; }
.logo-mark img { display: block; width: 170px; height: auto; }
.logo-text .cn { font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: 1px; display: block; line-height: 1.2; }
.logo-text .en { font-size: 10.5px; color: var(--text-light); letter-spacing: 1.6px; text-transform: uppercase; display: block; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 10px 18px; border-radius: 10px; font-size: 16px; font-weight: 500;
  color: var(--text); transition: all .2s ease; position: relative;
}
.main-nav a:hover { color: var(--brand-dark); background: rgba(46,191,184,.08); }
.main-nav a.active { color: var(--brand-dark); font-weight: 700; }
.main-nav a.active::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 2px; width: 22px; height: 3px; border-radius: 3px; background: var(--brand);
}

.nav-cta { display: inline-flex; align-items: center; gap: 10px; background: linear-gradient(135deg, var(--brand), var(--brand-light)); color: #fff; padding: 11px 20px; border-radius: 999px; font-weight: 700; font-size: 15px; box-shadow: 0 6px 18px rgba(46,191,184,.35); transition: transform .2s; }
.nav-cta:hover { transform: translateY(-2px); }
.nav-cta svg { flex: none; }

.nav-toggle { display: none; width: 44px; height: 44px; border: none; background: transparent; cursor: pointer; border-radius: 10px; }
.nav-toggle:hover { background: rgba(46,191,184,.08); }
.nav-toggle span { display: block; width: 22px; height: 2.5px; background: var(--ink); margin: 5px auto; border-radius: 2px; transition: all .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(78,205,196,.35), transparent 60%),
    radial-gradient(800px 500px at -10% 110%, rgba(78,205,196,.22), transparent 55%),
    linear-gradient(150deg, #0B2E2A 0%, var(--ink) 45%, #134740 100%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: linear-gradient(rgba(78,205,196,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(78,205,196,.07) 1px, transparent 1px);
  background-size: 56px 56px;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; padding: 100px 0 110px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(78,205,196,.14); border: 1px solid rgba(78,205,196,.35);
  color: var(--brand-light); font-size: 13.5px; font-weight: 600;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { color: #fff; font-size: clamp(32px, 4.6vw, 52px); line-height: 1.28; margin-bottom: 20px; letter-spacing: 1px; }
.hero h1 em { font-style: normal; color: var(--brand-light); }
.hero p.lead { color: rgba(255,255,255,.78); font-size: 17.5px; max-width: 540px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 46px; flex-wrap: wrap; }
.hero-stat .num { font-size: 34px; font-weight: 800; color: var(--brand-light); line-height: 1; }
.hero-stat .num small { font-size: 17px; font-weight: 700; margin-left: 2px; }
.hero-stat .lbl { font-size: 13.5px; color: rgba(255,255,255,.62); margin-top: 7px; }

/* Hero 右侧视觉卡 */
.hero-visual { position: relative; }
.hero-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  border-radius: 20px; padding: 30px; backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}
.hero-card .row { display: flex; align-items: center; gap: 14px; padding: 15px 12px; border-radius: 12px; transition: background .2s; }
.hero-card .row:hover { background: rgba(255,255,255,.07); }
.hero-card .ico {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(46,191,184,.4);
}
.hero-card .t { font-weight: 700; color: #fff; font-size: 15.5px; }
.hero-card .d { font-size: 13px; color: rgba(255,255,255,.62); }
.hero-card .row .arrow { margin-left: auto; color: var(--brand-light); opacity: .8; }
.hero-card-divider { height: 1px; background: rgba(255,255,255,.12); margin: 6px 0; }

/* ---------- 页面小 Hero（内页） ---------- */
.page-hero {
  position: relative; overflow: hidden; color: #fff; text-align: center;
  background:
    radial-gradient(900px 400px at 80% -20%, rgba(78,205,196,.3), transparent 60%),
    linear-gradient(140deg, #0B2E2A, var(--ink) 55%, #134740);
  padding: 74px 0 70px;
}
.page-hero .grid-bg { position: absolute; inset: 0; opacity: .45; background-image: linear-gradient(rgba(78,205,196,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(78,205,196,.07) 1px, transparent 1px); background-size: 56px 56px; pointer-events: none; }
.page-hero .inner { position: relative; }
.breadcrumb { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: rgba(255,255,255,.6); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--brand-light); }
.breadcrumb .sep { opacity: .5; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 3.8vw, 40px); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.72); max-width: 620px; margin: 0 auto; font-size: 16.5px; }

/* ---------- 卡片栅格 ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.card {
  background: var(--bg-card); border-radius: var(--radius); padding: 34px 30px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  transition: transform .28s ease, box-shadow .28s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.card .ico-box {
  width: 62px; height: 62px; border-radius: 16px; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(46,191,184,.14), rgba(78,205,196,.2));
  display: flex; align-items: center; justify-content: center; color: var(--brand-dark);
}
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--text-light); font-size: 15px; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: var(--brand-dark); font-weight: 600; font-size: 14.5px; }
.card .more:hover { gap: 10px; }

/* 服务卡片带编号 */
.svc-card { position: relative; overflow: hidden; }
.svc-card .no {
  position: absolute; top: 18px; right: 22px; font-size: 44px; font-weight: 800;
  color: rgba(46,191,184,.12); line-height: 1; font-variant-numeric: tabular-nums;
}
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.svc-tags span { font-size: 12.5px; color: var(--brand-dark); background: rgba(46,191,184,.1); border-radius: 6px; padding: 3px 10px; }

/* ---------- 行业/场景条 ---------- */
.scene-strip { background: var(--ink); color: #fff; padding: 30px 0; }
.scene-strip .container { display: flex; align-items: center; gap: 14px 34px; flex-wrap: wrap; justify-content: center; }
.scene-strip .label { font-weight: 700; color: var(--brand-light); letter-spacing: 2px; font-size: 14px; }
.scene-strip .items { display: flex; gap: 14px 30px; flex-wrap: wrap; justify-content: center; font-size: 15px; color: rgba(255,255,255,.82); }
.scene-strip .items span { display: inline-flex; align-items: center; gap: 7px; }
.scene-strip .items svg { color: var(--brand-light); }

/* ---------- 客户墙 ---------- */
.client-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.client-item {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  min-height: 140px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; padding: 20px 12px; transition: all .25s; text-align: center;
}
.client-item:hover { border-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.client-item img {
  max-height: 60px; width: auto; max-width: 90%; display: block;
  object-fit: contain;
}
.client-item .name { font-weight: 700; color: var(--ink); font-size: 14.5px; line-height: 1.3; }
.client-item .tag { font-size: 11.5px; color: var(--text-light); }

/* ---------- KPI 数字带 ---------- */
.kpi-band {
  background: linear-gradient(135deg, #0B2E2A, var(--ink) 60%, #134740);
  color: #fff; padding: 64px 0; position: relative; overflow: hidden;
}
.kpi-band::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 380px; height: 380px;
  border-radius: 50%; background: radial-gradient(circle, rgba(78,205,196,.18), transparent 70%);
}
.kpi-band .container { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.kpi-item .num { font-size: clamp(34px, 4vw, 46px); font-weight: 800; color: var(--brand-light); line-height: 1.1; }
.kpi-item .num small { font-size: 20px; }
.kpi-item .lbl { margin-top: 10px; color: rgba(255,255,255,.72); font-size: 15px; }
.kpi-item .sub { color: rgba(255,255,255,.45); font-size: 12.5px; margin-top: 3px; }

/* ---------- 为什么选择我们 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 30px; }
.why-item {
  display: flex; gap: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 26px; box-shadow: var(--shadow-sm);
  transition: all .25s;
}
.why-item:hover { border-color: rgba(46,191,184,.5); transform: translateY(-3px); }
.why-item .ico {
  width: 52px; height: 52px; flex: none; border-radius: 14px; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(46,191,184,.35);
}
.why-item h3 { font-size: 18px; margin-bottom: 6px; }
.why-item p { font-size: 14.5px; color: var(--text-light); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--brand-dark), var(--brand) 55%, var(--brand-light));
  color: #fff; padding: 60px 0; text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; left: -80px; bottom: -140px; width: 300px; height: 300px;
  border-radius: 50%; background: rgba(255,255,255,.1);
}
.cta-band .container { position: relative; }
.cta-band h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.88); margin-bottom: 28px; font-size: 16.5px; }
.cta-band .phone-big {
  display: inline-flex; align-items: center; gap: 12px; background: #fff; color: var(--brand-dark);
  font-size: 22px; font-weight: 800; padding: 14px 34px; border-radius: 999px;
  box-shadow: var(--shadow-md); margin-bottom: 24px; letter-spacing: 1px;
}
.cta-band .phone-big:hover { transform: translateY(-2px); }

/* ---------- 新闻卡片 ---------- */
.news-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.news-card .cover { height: 190px; position: relative; display: flex; align-items: center; justify-content: center; }
.news-card .cover .cat {
  position: absolute; top: 14px; left: 14px; background: rgba(255,255,255,.92);
  color: var(--brand-dark); font-size: 12.5px; font-weight: 700; padding: 4px 12px; border-radius: 999px;
}
.news-card .cover h3 { color: #fff; font-size: 21px; padding: 0 26px; text-align: center; position: relative; }
.news-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.news-body .meta { display: flex; gap: 16px; color: var(--text-light); font-size: 13px; margin-bottom: 10px; }
.news-body .meta span { display: inline-flex; align-items: center; gap: 5px; }
.news-body h3 { font-size: 18.5px; line-height: 1.5; margin-bottom: 10px; }
.news-body h3 a:hover { color: var(--brand-dark); }
.news-body p { color: var(--text-light); font-size: 14.5px; flex: 1; }
.news-body .more { margin-top: 14px; color: var(--brand-dark); font-weight: 600; font-size: 14px; display: inline-flex; gap: 6px; align-items: center; }
.news-body .more:hover { gap: 10px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink-deep); color: rgba(255,255,255,.72); padding: 66px 0 0; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 46px; }
.footer-grid h4 { color: #fff; font-size: 16.5px; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer-grid h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2.5px; border-radius: 2px; background: var(--brand); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand img { display: block; width: 190px; height: auto; }
.footer-brand .cn { color: #fff; font-size: 19px; font-weight: 800; letter-spacing: 1px; }
.footer-brand .en { font-size: 10.5px; color: rgba(255,255,255,.45); letter-spacing: 1.5px; display: block; }
.footer-links li { margin-bottom: 11px; }
.footer-links a:hover { color: var(--brand-light); }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 13px; align-items: flex-start; }
.footer-contact svg { flex: none; margin-top: 4px; color: var(--brand-light); }
.footer-qrcode { margin-top: 18px; display: flex; gap: 14px; }
.footer-qrcode .qr {
  width: 96px; height: 96px; background: #fff; border-radius: 10px; padding: 8px;
}
.footer-qrcode .qr svg { width: 100%; height: 100%; }
.footer-qrcode .qr-note { font-size: 12.5px; color: rgba(255,255,255,.5); margin-top: 8px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: var(--brand-light); }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-weight: 600; color: var(--ink); font-size: 15px; }
.form-field label .req { color: #E05B5B; margin-left: 3px; }
.form-field input, .form-field select, .form-field textarea {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 15px;
  background: #fff; transition: border-color .2s, box-shadow .2s; font-size: 15px; color: var(--text);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(46,191,184,.14);
}
.form-field .err { color: #E05B5B; font-size: 13px; display: none; }
.form-field.invalid input, .form-field.invalid select, .form-field.invalid textarea { border-color: #E05B5B; }
.form-field.invalid .err { display: block; }
.form-policy { grid-column: 1 / -1; font-size: 13px; color: var(--text-light); display: flex; gap: 8px; align-items: flex-start; }
.form-policy input { margin-top: 4px; }

.form-success {
  display: none; background: rgba(46,191,184,.08); border: 1.5px solid var(--brand);
  border-radius: var(--radius); padding: 22px 26px; margin-top: 22px;
  color: var(--brand-dark); font-weight: 600; align-items: flex-start; gap: 12px;
}
.form-success.show { display: flex; }

/* ---------- 联系页信息卡 ---------- */
.contact-info-card { display: flex; gap: 18px; align-items: flex-start; }
.contact-info-card .ico {
  width: 54px; height: 54px; flex: none; border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-light)); color: #fff;
  display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px rgba(46,191,184,.35);
}
.contact-info-card h3 { font-size: 17.5px; margin-bottom: 6px; }
.contact-info-card p, .contact-info-card a { color: var(--text-light); font-size: 14.5px; word-break: break-all; }
.contact-info-card a:hover { color: var(--brand-dark); }

.map-box {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  background:
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(46,191,184,.06) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(46,191,184,.06) 39px 40px),
    linear-gradient(135deg, #EAF7F5, #F6FCFB);
  min-height: 320px; display: flex; align-items: center; justify-content: center; position: relative;
}
.map-box .pin { text-align: center; }
.map-box .pin .bubble {
  background: #fff; border: 1.5px solid var(--brand); color: var(--ink);
  padding: 10px 18px; border-radius: 12px; font-weight: 700; font-size: 15px;
  box-shadow: var(--shadow-md); position: relative; margin-bottom: 6px;
}
.map-box .pin .bubble::after {
  content: ""; position: absolute; left: 50%; bottom: -7px; transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px; background: #fff; border-right: 1.5px solid var(--brand); border-bottom: 1.5px solid var(--brand);
}
.map-box .pin svg { color: var(--brand-dark); filter: drop-shadow(0 6px 8px rgba(46,191,184,.4)); }

/* ---------- 公司简介页 ---------- */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-intro .pic {
  border-radius: 20px; overflow: hidden; position: relative; min-height: 420px;
  background: linear-gradient(150deg, #0B2E2A, var(--ink) 60%, #16544D);
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md);
}
.about-intro .pic .grid-bg { position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(rgba(78,205,196,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(78,205,196,.08) 1px, transparent 1px); background-size: 46px 46px; }
.about-intro .pic .inner { position: relative; text-align: center; color: #fff; padding: 40px; }
.about-intro .pic .inner .big { font-size: 60px; font-weight: 800; color: var(--brand-light); line-height: 1; }
.about-intro .pic .inner .cap { margin-top: 10px; color: rgba(255,255,255,.75); letter-spacing: 3px; font-size: 14px; }
.about-intro .txt h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 18px; }
.about-intro .txt p { color: var(--text-light); margin-bottom: 14px; }
.about-intro .txt .points { margin-top: 20px; display: flex; flex-direction: column; gap: 12px; }
.about-intro .txt .points li { display: flex; gap: 10px; align-items: flex-start; color: var(--text); font-size: 15.5px; }
.about-intro .txt .points svg { flex: none; margin-top: 5px; color: var(--brand-dark); }

/* 时间线 */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 3px; border-radius: 3px; background: linear-gradient(var(--brand), rgba(46,191,184,.15)); }
.tl-item { position: relative; padding: 0 0 38px 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -33px; top: 6px; width: 17px; height: 17px; border-radius: 50%;
  background: #fff; border: 4px solid var(--brand); box-shadow: 0 0 0 5px rgba(46,191,184,.16);
}
.tl-item .year { font-size: 19px; font-weight: 800; color: var(--brand-dark); margin-bottom: 6px; }
.tl-item h3 { font-size: 18px; margin-bottom: 6px; }
.tl-item p { color: var(--text-light); font-size: 15px; max-width: 640px; }

/* 文化价值观 */
.value-card { text-align: center; padding: 36px 26px; }
.value-card .ico-box { margin: 0 auto 18px; }
.value-card h3 { font-size: 19px; margin-bottom: 8px; }
.value-card p { font-size: 14.5px; color: var(--text-light); }

/* 团队 */
.team-card { text-align: center; padding: 34px 24px; }
.team-avatar {
  width: 92px; height: 92px; border-radius: 50%; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--ink), #16544D); color: var(--brand-light);
  display: flex; align-items: center; justify-content: center; font-size: 30px; font-weight: 800;
  border: 3px solid rgba(46,191,184,.35); box-shadow: var(--shadow-sm);
}
.team-avatar.lvl { font-size: 22px; letter-spacing: 2px; padding-left: 2px; }
.team-card h3 { font-size: 18px; margin-bottom: 4px; }
.team-card .role { color: var(--brand-dark); font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.team-card p { font-size: 14px; color: var(--text-light); }

/* ---------- 服务详情页 ---------- */
.detail-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 44px; align-items: start; }
.detail-main { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 42px 44px; box-shadow: var(--shadow-sm); }
.detail-main .hero-band {
  border-radius: 14px; padding: 36px; color: #fff; margin-bottom: 34px;
  background: radial-gradient(700px 300px at 90% -30%, rgba(78,205,196,.35), transparent 60%), linear-gradient(140deg, #0B2E2A, var(--ink) 60%, #134740);
}
.detail-main .hero-band .cat { color: var(--brand-light); font-size: 13.5px; font-weight: 700; letter-spacing: 2px; margin-bottom: 10px; }
.detail-main .hero-band h1 { color: #fff; font-size: clamp(24px, 3vw, 34px); margin-bottom: 12px; }
.detail-main .hero-band p { color: rgba(255,255,255,.78); font-size: 15.5px; }
.detail-main h2 { font-size: 22px; margin: 38px 0 18px; padding-left: 14px; border-left: 4px solid var(--brand); }
.detail-main p { color: var(--text-light); margin-bottom: 14px; font-size: 15.5px; }
.detail-main ul.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin: 20px 0; }
.detail-main ul.feat-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--text); }
.detail-main ul.feat-list svg { flex: none; margin-top: 5px; color: var(--brand-dark); }
.detail-main .steps { counter-reset: step; margin: 22px 0; }
.detail-main .steps li {
  counter-increment: step; position: relative; padding: 0 0 24px 62px;
}
.detail-main .steps li::before {
  content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 0;
  width: 42px; height: 42px; border-radius: 12px;
  background: rgba(46,191,184,.12); color: var(--brand-dark);
  font-weight: 800; font-size: 15px; display: flex; align-items: center; justify-content: center;
}
.detail-main .steps li:not(:last-child)::after {
  content: ""; position: absolute; left: 21px; top: 46px; bottom: 4px; width: 2px;
  background: rgba(46,191,184,.25);
}
.detail-main .steps h4 { font-size: 16.5px; margin-bottom: 4px; }
.detail-main .steps p { font-size: 14.5px; margin-bottom: 0; }

.detail-aside { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 96px; }
.aside-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: var(--shadow-sm); }
.aside-card h3 { font-size: 17.5px; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.aside-hotline { background: linear-gradient(140deg, #0B2E2A, var(--ink)); border: none; color: #fff; text-align: center; }
.aside-hotline h3 { color: #fff; border-color: rgba(255,255,255,.14); }
.aside-hotline .num { font-size: 24px; font-weight: 800; color: var(--brand-light); letter-spacing: 1px; display: block; margin-bottom: 6px; }
.aside-hotline p { color: rgba(255,255,255,.6); font-size: 13px; }
.aside-list li { margin-bottom: 10px; }
.aside-list li:last-child { margin-bottom: 0; }
.aside-list a { display: flex; gap: 10px; align-items: center; font-size: 14.5px; padding: 10px 12px; border-radius: 10px; transition: background .2s; color: var(--text); }
.aside-list a:hover, .aside-list a.cur { background: rgba(46,191,184,.08); color: var(--brand-dark); font-weight: 600; }
.aside-list a .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); flex: none; }
.aside-list a .cat-tag { margin-left: auto; font-size: 11.5px; color: var(--text-light); }

/* ---------- 新闻列表页 ---------- */
.news-filter { display: flex; justify-content: center; gap: 12px; margin-bottom: 44px; flex-wrap: wrap; }
.news-filter button {
  border: 1.5px solid var(--line); background: #fff; color: var(--text-light);
  padding: 9px 24px; border-radius: 999px; font-size: 14.5px; font-weight: 600; cursor: pointer; transition: all .2s;
}
.news-filter button:hover { border-color: var(--brand); color: var(--brand-dark); }
.news-filter button.active { background: linear-gradient(135deg, var(--brand), var(--brand-light)); border-color: transparent; color: #fff; box-shadow: 0 6px 16px rgba(46,191,184,.3); }

/* ---------- 新闻详情 ---------- */
.news-article { max-width: 820px; margin: 0 auto; }
.news-article .cat-line { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.news-article .cat-line .cat { background: rgba(46,191,184,.12); color: var(--brand-dark); font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.news-article .cat-line time { color: var(--text-light); font-size: 13.5px; }
.news-article h1 { font-size: clamp(24px, 3.4vw, 34px); margin-bottom: 26px; }
.news-article .meta { display: flex; gap: 22px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 30px; color: var(--text-light); font-size: 14px; flex-wrap: wrap; }
.news-article .meta span { display: inline-flex; align-items: center; gap: 6px; }
.news-article .content p { margin-bottom: 18px; font-size: 16px; }
.news-article .content h2 { font-size: 21px; margin: 34px 0 16px; }
.news-article .content blockquote {
  border-left: 4px solid var(--brand); background: var(--bg-soft);
  padding: 18px 24px; border-radius: 0 12px 12px 0; color: var(--text); margin: 22px 0;
}
.news-article .content ul { margin: 0 0 18px 4px; display: flex; flex-direction: column; gap: 10px; }
.news-article .content ul li { display: flex; gap: 10px; align-items: flex-start; }
.news-article .content ul li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); flex: none; margin-top: 10px; }
.article-footer { margin-top: 46px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.article-nav { display: flex; flex-direction: column; gap: 10px; }
.article-nav a { color: var(--text-light); font-size: 14.5px; display: inline-flex; gap: 6px; align-items: center; }
.article-nav a:hover { color: var(--brand-dark); }

/* ---------- 资质与荣誉 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert-item {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; display: flex; flex-direction: column; align-items: center;
  padding: 14px 14px 16px; transition: all .25s; text-align: center; cursor: zoom-in;
  box-shadow: var(--shadow-sm);
}
.cert-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand); }
.cert-item img { width: 100%; height: 130px; object-fit: contain; background: #f8fbfb; border-radius: 8px; margin-bottom: 12px; }
.cert-item .cert-name { font-weight: 700; color: var(--ink); font-size: 15px; line-height: 1.3; }
.cert-item .cert-tag { display: inline-block; margin-top: 6px; font-size: 12px; color: #fff; background: linear-gradient(135deg, #c8a55a, #b8893d); padding: 2px 10px; border-radius: 4px; letter-spacing: 1px; font-weight: 700; }

.board-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.board-item {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; display: flex; flex-direction: column; align-items: center;
  padding: 14px; transition: all .25s; cursor: zoom-in; text-align: center;
  box-shadow: var(--shadow-sm);
}
.board-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #c8a55a; }
.board-item img { width: 100%; height: 110px; object-fit: contain; background: #fff8e8; border-radius: 8px; margin-bottom: 10px; }
.board-item span { font-weight: 700; color: #8a6a1f; font-size: 13.5px; line-height: 1.4; }

/* ---------- 首页承诺条 ---------- */
.promise-bar {
  background: linear-gradient(135deg, #0B2E2A, var(--ink) 60%, #134740);
  color: #fff; padding: 26px 0;
}
.promise-bar .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.promise-item .num { display: block; font-size: 28px; font-weight: 800; color: var(--brand-light); line-height: 1.1; letter-spacing: 1px; }
.promise-item .num small { font-size: 15px; margin-left: 4px; }
.promise-item .lbl { display: block; margin-top: 6px; font-size: 14px; color: rgba(255,255,255,.82); }
.promise-item { position: relative; }
.promise-item + .promise-item::before {
  content: ""; position: absolute; left: 0; top: 14%; bottom: 14%; width: 1px;
  background: rgba(255,255,255,.12);
}

/* ---------- 行业方案 ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.industry-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 30px 26px; transition: all .28s; position: relative; overflow: hidden;
}
.industry-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--brand), var(--brand-light));
  opacity: 0; transition: opacity .25s;
}
.industry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(46,191,184,.4); }
.industry-card:hover::before { opacity: 1; }
.industry-card .ico {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(46,191,184,.12), rgba(78,205,196,.18));
  display: flex; align-items: center; justify-content: center; color: var(--brand-dark);
}
.industry-card h3 { font-size: 19px; margin-bottom: 8px; }
.industry-card .pain { color: var(--text-light); font-size: 14.5px; line-height: 1.7; margin-bottom: 14px; }
.industry-card .sol { font-size: 13.5px; color: var(--ink); background: var(--bg-soft); border-left: 3px solid var(--brand); padding: 10px 14px; border-radius: 0 6px 6px 0; }
.industry-card .sol b { color: var(--brand-dark); }

/* 升级版行业方案卡：风险标签 + 4步IPM + CTA */
.industry-card .risks { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 14px; }
.industry-card .risks span { font-size: 12px; color: var(--brand-dark); background: rgba(46,191,184,.1); border: 1px solid rgba(46,191,184,.25); padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.industry-card ul.ipm { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 14px; padding: 0; }
.industry-card ul.ipm li { display: flex; flex-direction: column; align-items: center; gap: 4px; background: var(--bg-soft); border-radius: 8px; padding: 8px 4px; font-size: 12px; color: var(--ink); text-align: center; line-height: 1.3; }
.industry-card ul.ipm li i { display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--brand-light)); color: #fff; font-size: 11px; font-weight: 800; font-style: normal; }
.industry-card .more { display: inline-flex; align-items: center; gap: 4px; margin-top: 0; color: var(--brand-dark); font-weight: 600; font-size: 14px; }
.industry-card .more:hover { color: var(--ink); gap: 8px; }

/* ---------- 数字化专题 ---------- */
.digital-section {
  background: linear-gradient(135deg, #0B2E2A 0%, var(--ink) 50%, #134740 100%);
  color: #fff; position: relative; overflow: hidden;
}
.digital-section::before {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: linear-gradient(rgba(78,205,196,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(78,205,196,.07) 1px, transparent 1px);
  background-size: 56px 56px;
}
.digital-section .container { position: relative; z-index: 1; }
.digital-section .sec-head .kicker { color: var(--brand-light); }
.digital-section .sec-head h2 { color: #fff; }
.digital-section .sec-head p { color: rgba(255,255,255,.7); }
.digital-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.digital-features { display: flex; flex-direction: column; gap: 18px; }
.digital-feature {
  display: flex; gap: 16px; align-items: flex-start;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px; padding: 18px 20px; transition: all .25s;
  backdrop-filter: blur(6px);
}
.digital-feature:hover { background: rgba(255,255,255,.1); border-color: rgba(78,205,196,.4); transform: translateX(4px); }
.digital-feature .ico {
  width: 46px; height: 46px; flex: none; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand-light)); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(46,191,184,.35);
}
.digital-feature h4 { color: #fff; font-size: 16px; margin-bottom: 4px; }
.digital-feature p { color: rgba(255,255,255,.72); font-size: 13.5px; line-height: 1.65; }
.digital-mockup {
  background: #fff; border-radius: 18px; padding: 18px; box-shadow: var(--shadow-lg);
  color: var(--text);
}
.digital-mockup .dm-bar { display: flex; gap: 6px; margin-bottom: 14px; }
.digital-mockup .dm-bar span { width: 11px; height: 11px; border-radius: 50%; background: #e5e5e5; }
.digital-mockup .dm-bar span:nth-child(1) { background: #ff5f57; }
.digital-mockup .dm-bar span:nth-child(2) { background: #ffbd2e; }
.digital-mockup .dm-bar span:nth-child(3) { background: #28c840; }
.digital-mockup .dm-title { font-size: 13px; color: var(--text-light); margin-bottom: 14px; }
.digital-mockup .dm-kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
.digital-mockup .dm-kpi { background: var(--bg-soft); border-radius: 10px; padding: 12px; }
.digital-mockup .dm-kpi .v { font-size: 20px; font-weight: 800; color: var(--brand-dark); line-height: 1.1; }
.digital-mockup .dm-kpi .l { font-size: 11.5px; color: var(--text-light); margin-top: 4px; }
.digital-mockup .dm-chart { display: flex; align-items: flex-end; gap: 6px; height: 80px; padding: 8px 0; border-top: 1px solid var(--line); }
.digital-mockup .dm-chart .bar { flex: 1; background: linear-gradient(180deg, var(--brand), var(--brand-light)); border-radius: 4px 4px 0 0; opacity: .9; }
.digital-mockup .dm-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-light); margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
.digital-mockup .dm-row b { color: var(--brand-dark); font-weight: 700; }
.digital-mockup .dm-cta { margin-top: 14px; display: flex; gap: 10px; }
.digital-mockup .dm-cta a { flex: 1; text-align: center; padding: 9px 0; border-radius: 8px; font-size: 13px; font-weight: 600; }
.digital-mockup .dm-cta .a1 { background: var(--brand); color: #fff; }
.digital-mockup .dm-cta .a2 { background: var(--bg-soft); color: var(--brand-dark); border: 1px solid var(--line); }

/* ---------- 5 步服务流程 ---------- */
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; }
.flow-step {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 26px 20px; text-align: center; position: relative;
  transition: all .25s; box-shadow: var(--shadow-sm);
}
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand); }
.flow-step .num {
  width: 44px; height: 44px; line-height: 44px; margin: 0 auto 14px;
  border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff; font-size: 18px; font-weight: 800; box-shadow: 0 6px 16px rgba(46,191,184,.3);
}
.flow-step h4 { font-size: 16px; margin-bottom: 6px; color: var(--ink); }
.flow-step p { font-size: 13.5px; color: var(--text-light); line-height: 1.65; }
.flow-step::after {
  content: "→"; position: absolute; right: -14px; top: 50%; transform: translateY(-50%);
  color: var(--brand); font-size: 22px; font-weight: 700;
}
.flow-step:last-child::after { content: ""; }

/* ---------- 行业方案落地详情（services.html） ---------- */
.industry-detail { padding: 72px 0; scroll-margin-top: 90px; }
.industry-detail .ind-head { display: flex; gap: 26px; align-items: flex-start; margin-bottom: 36px; padding-bottom: 24px; border-bottom: 1px dashed var(--line); }
.industry-detail .ind-no { flex: none; font-size: 56px; font-weight: 800; line-height: 1; color: var(--brand); font-variant-numeric: tabular-nums; opacity: .9; }
.industry-detail .ind-head h2 { font-size: 26px; margin-bottom: 10px; }
.industry-detail .ind-pain { color: var(--text-light); font-size: 15px; line-height: 1.85; }
.industry-detail .ind-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; }
.industry-detail .ind-grid h4 { font-size: 14px; color: var(--brand-dark); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px; }
.industry-detail .risks { display: flex; flex-wrap: wrap; gap: 8px; }
.industry-detail .risks span { font-size: 13px; color: var(--ink); background: var(--bg-soft); border: 1px solid var(--line); padding: 5px 14px; border-radius: 999px; font-weight: 500; }
.industry-detail ol.ind-steps { list-style: none; padding: 0; margin: 0; }
.industry-detail ol.ind-steps li { position: relative; padding: 14px 0 14px 60px; border-bottom: 1px dashed var(--line); font-size: 14.5px; color: var(--text); line-height: 1.7; }
.industry-detail ol.ind-steps li:last-child { border-bottom: none; }
.industry-detail ol.ind-steps li b { color: var(--ink); font-weight: 700; }
.industry-detail ol.ind-steps li::before {
  content: counter(ind-step); counter-increment: ind-step;
  position: absolute; left: 0; top: 14px; width: 44px; height: 44px;
  border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff; font-size: 16px; font-weight: 800; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(46,191,184,.3);
}
.industry-detail .ind-steps { counter-reset: ind-step; }
.industry-detail ol.ind-steps.defense li, .industry-detail ol.ind-steps.audit li { padding: 16px 0 16px 60px; line-height: 1.75; }
.industry-detail ol.ind-steps.defense li span, .industry-detail ol.ind-steps.audit li span { display: block; margin-top: 6px; color: var(--text-light); font-size: 13.5px; line-height: 1.7; }
.industry-detail ol.ind-steps.audit { counter-reset: ind-step; margin-top: 8px; }
.industry-detail ol.ind-steps.audit li::before { background: linear-gradient(135deg, #c8a55a, #b8893d); box-shadow: 0 6px 16px rgba(200,165,90,.3); }
.industry-detail .ind-side { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: var(--shadow-sm); height: fit-content; }
.industry-detail .ind-side h4 { font-size: 13px; color: var(--brand-dark); text-transform: uppercase; letter-spacing: 2px; margin-top: 18px; margin-bottom: 10px; }
.industry-detail .ind-side h4:first-child { margin-top: 0; }
.industry-detail .ind-side p { font-size: 14px; color: var(--text); line-height: 1.8; }
.industry-detail .ind-side .btn { width: 100%; margin-top: 22px; }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 30px; width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-light)); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  box-shadow: 0 10px 24px rgba(46,191,184,.4); opacity: 0; visibility: hidden;
  transform: translateY(14px); transition: all .3s; z-index: 900;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { transform: translateY(-3px); }

/* ---------- 移动端导航抽屉 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; padding: 70px 0 80px; }
  .hero-visual { max-width: 560px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .client-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .detail-wrap { grid-template-columns: 1fr; }
  .detail-aside { position: static; flex-direction: row; flex-wrap: wrap; }
  .detail-aside .aside-card { flex: 1 1 300px; }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .topbar-right .hide-m { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }

  .main-nav {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(78vw, 320px);
    background: #0A0A0A; flex-direction: column; align-items: stretch; gap: 0;
    padding: 84px 0 30px; box-shadow: var(--shadow-lg);
    transform: translateX(100%); transition: transform .3s ease; z-index: 1001;
  }
  .main-nav.open { transform: none; }
  .main-nav a {
    position: relative; padding: 16px 22px; font-size: 16.5px;
    color: rgba(255,255,255,.9); border-bottom: 1px solid rgba(255,255,255,.1);
    display: flex; align-items: center; justify-content: space-between;
  }
  .main-nav a::after { content: "›"; color: rgba(255,255,255,.45); font-size: 18px; }
  .main-nav a:hover, .main-nav a.active { color: #fff; background: rgba(255,255,255,.1); }
  .main-nav a.active::after { display: none; }
  .main-nav a.active::before { display: none; }
  .nav-mask { position: fixed; inset: 0; background: rgba(9,41,38,.55); z-index: 1000; opacity: 0; visibility: hidden; transition: all .3s; }
  .nav-mask.show { opacity: 1; visibility: visible; }
  .nav-toggle { position: relative; z-index: 1002; }

  .hero-inner { padding: 54px 0 64px; }
  .hero-stats { gap: 26px 34px; }
  .hero-stat .num { font-size: 28px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .client-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-band .container { grid-template-columns: repeat(2, 1fr); gap: 34px 18px; }
  .why-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-main { padding: 28px 22px; }
  .detail-main ul.feat-list { grid-template-columns: 1fr; }
  .detail-aside { flex-direction: column; }
  .footer-bottom .container { justify-content: center; text-align: center; }
  .topbar .container { justify-content: center; }
  .topbar-right { display: none; }
  .scene-strip .container { flex-direction: column; gap: 14px; }
}

/* ---------- 移动端细节优化（追加在既有 768px 断点之后，覆盖同名规则） ---------- */
@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .section { padding: 48px 0; }

  /* 顶部工具栏 */
  .topbar { font-size: 12.5px; padding: 6px 0; }
  .topbar .container { justify-content: center; gap: 10px; }
  .topbar-item { gap: 4px; }
  .topbar .hotline { gap: 4px; white-space: nowrap; }
  .topbar .hotline strong { font-size: 14px; letter-spacing: .5px; }

  /* 导航 */
  .nav-wrap { height: 74px; }
  .logo img { height: 44px !important; width: auto !important; }
  .main-nav { width: min(86vw, 320px); padding: 84px 0 30px; }
  /* 关键修复：header 上的 backdrop-filter 会让 fixed 子元素以 header 为包含块，
     导致抽屉和遮罩都缩在 74px 高的 header 里，文字和页面重叠。手机端去掉 blur。 */
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; }
  /* 抽屉顶部品牌名（参考样式的 Guardian 区域） */
  .main-nav::before {
    content: "众邦环境";
    position: absolute; top: 26px; left: 22px;
    color: #fff; font-size: 17px; font-weight: 700; letter-spacing: 1px;
  }
  .main-nav a:first-child { border-top: 1px solid rgba(255,255,255,.12); }
  /* 打开后汉堡变 X，X 的线条在黑色抽屉上要变成白色才看得见 */
  .nav-toggle.open span { background: #fff; }

  /* Hero */
  .hero-inner { padding: 36px 0 52px; }
  .hero h1 { font-size: clamp(24px, 6.5vw, 30px); letter-spacing: 0; line-height: 1.25; margin-bottom: 14px; overflow-wrap: break-word; }
  .hero p.lead { font-size: 14px; max-width: 100%; margin-bottom: 22px; line-height: 1.7; }
  .hero-actions { flex-direction: column; gap: 10px; margin-top: 4px; }
  .hero-actions .btn { width: 100%; }
  .hero-badge { font-size: 12px; padding: 5px 12px; margin-bottom: 14px; }
  .hero-stats { flex-direction: column; gap: 14px; margin-top: 30px; }
  .hero-stat { display: flex; align-items: baseline; gap: 10px; }
  .hero-stat .num { font-size: 26px; }
  .hero-stat .num small { font-size: 15px; }
  .hero-stat .lbl { font-size: 13px; margin-top: 0; }
  .hero-card { padding: 18px; border-radius: 16px; }
  .hero-card .row { padding: 10px; }
  .hero-card .ico { width: 38px; height: 38px; border-radius: 10px; }
  .hero-card .t { font-size: 14px; }
  .hero-card .d { font-size: 12px; }

  /* 通用标题 */
  .sec-head { margin-bottom: 34px; }
  .sec-head h2 { font-size: 21px; margin-bottom: 10px; }
  .sec-head .kicker { font-size: 12.5px; letter-spacing: 2px; margin-bottom: 8px; }
  .sec-head .kicker::before, .sec-head .kicker::after { width: 18px; }

  /* 按钮 */
  .btn { padding: 12px 24px; font-size: 15px; }
  .btn-lg { padding: 14px 28px; font-size: 16px; }

  /* 卡片 */
  .card { padding: 22px 18px; border-radius: 12px; }
  .card .ico-box { width: 50px; height: 50px; border-radius: 14px; margin-bottom: 14px; }
  .card h3 { font-size: 17px; margin-bottom: 8px; }
  .card p { font-size: 14px; }
  .card .more { margin-top: 12px; }

  /* KPI 数字带 */
  .kpi-band { padding: 42px 0; }
  .kpi-band .container { grid-template-columns: 1fr 1fr; gap: 28px 16px; }
  .kpi-item .num { font-size: 28px; }
  .kpi-item .num small { font-size: 16px; }
  .kpi-item .lbl { font-size: 13.5px; }

  /* 为什么选择我们 */
  .why-item { padding: 18px; gap: 12px; border-radius: 12px; }
  .why-item .ico { width: 44px; height: 44px; border-radius: 12px; }
  .why-item h3 { font-size: 16px; }
  .why-item p { font-size: 13.5px; }

  /* CTA */
  .cta-band { padding: 44px 0; }
  .cta-band h2 { font-size: 22px; }
  .cta-band p { font-size: 15px; margin-bottom: 20px; }
  .cta-band .phone-big { font-size: 20px; padding: 12px 28px; }

  /* 客户墙 */
  .client-item { min-height: 110px; padding: 14px 10px; gap: 8px; }
  .client-item img { max-height: 44px; }

  /* 资质 / 铜牌 / 承诺条 / 行业方案 / 数字化 / 流程 */
  .cert-grid, .board-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .cert-item img { height: 100px; }
  .board-item img { height: 90px; }
  .promise-bar .container { grid-template-columns: repeat(2, 1fr); gap: 18px 12px; padding: 0 18px; }
  .promise-item:nth-child(3)::before { display: none; }
  .industry-grid { grid-template-columns: 1fr; gap: 16px; }
  .digital-grid { grid-template-columns: 1fr; gap: 30px; }
  .digital-mockup { max-width: 360px; margin: 0 auto; }
  .flow-steps { grid-template-columns: 1fr; gap: 14px; }
  .flow-step::after { content: "↓"; right: 50%; top: auto; bottom: -16px; transform: translateX(50%); }
  .flow-step:last-child::after { content: ""; }
  .industry-detail { padding: 50px 0; }
  .industry-detail .ind-head { flex-direction: column; gap: 14px; }
  .industry-detail .ind-no { font-size: 40px; }
  .industry-detail .ind-head h2 { font-size: 20px; }
  .industry-detail .ind-grid { grid-template-columns: 1fr; gap: 28px; }
  .client-item .name { font-size: 13px; }
  .client-item .tag { font-size: 10.5px; }

  /* 新闻 */
  .news-filter { margin-bottom: 30px; }
  .news-filter button { padding: 8px 18px; font-size: 13.5px; }
  .news-card .cover { height: 150px; }
  .news-card .cover h3 { font-size: 17px; padding: 0 18px; }
  .news-body { padding: 18px 20px 22px; }
  .news-body h3 { font-size: 16px; }
  .news-body p { font-size: 13.5px; }

  /* 关于页 */
  .about-intro { gap: 30px; }
  .about-intro .pic { min-height: 280px; border-radius: 16px; }
  .about-intro .pic .inner { padding: 26px; }
  .about-intro .pic .inner .big { font-size: 42px; }
  .about-intro .txt h2 { font-size: 22px; margin-bottom: 12px; }
  .about-intro .txt p { font-size: 14px; margin-bottom: 10px; }
  .about-intro .txt .points { gap: 8px; margin-top: 14px; }
  .about-intro .txt .points li { font-size: 14px; }

  /* 时间线 */
  .timeline { padding-left: 22px; }
  .tl-item { padding: 0 0 26px 18px; }
  .tl-item::before { left: -28px; width: 13px; height: 13px; border-width: 3px; box-shadow: 0 0 0 4px rgba(46,191,184,.16); }
  .tl-item .year { font-size: 16px; }
  .tl-item h3 { font-size: 15.5px; }
  .tl-item p { font-size: 13.5px; }

  /* 团队/价值观 */
  .value-card { padding: 26px 18px; }
  .value-card .ico-box { margin-bottom: 12px; }
  .value-card h3 { font-size: 17px; }
  .value-card p { font-size: 13px; }
  .team-card { padding: 24px 18px; }
  .team-avatar { width: 76px; height: 76px; font-size: 24px; }
  .team-card h3 { font-size: 16px; }
  .team-card .role { font-size: 13px; }
  .team-card p { font-size: 13px; }

  /* 联系页 */
  .contact-info-card { gap: 12px; }
  .contact-info-card .ico { width: 44px; height: 44px; border-radius: 12px; }
  .contact-info-card h3 { font-size: 16px; }
  .contact-info-card p, .contact-info-card a { font-size: 13.5px; }
  .map-box { min-height: 240px; }

  /* 服务详情 */
  .detail-main { padding: 22px 18px; }
  .detail-main .hero-band { padding: 24px; border-radius: 12px; }
  .detail-main .hero-band h1 { font-size: 22px; }
  .detail-main h2 { font-size: 18px; margin: 28px 0 12px; }
  .detail-main ul.feat-list li { font-size: 14px; }
  .detail-main .steps li { padding: 0 0 18px 50px; }
  .detail-main .steps li::before { width: 36px; height: 36px; border-radius: 10px; font-size: 13px; }
  .detail-main .steps li:not(:last-child)::after { left: 18px; top: 40px; }
  .aside-card { padding: 20px; border-radius: 14px; }
  .aside-hotline .num { font-size: 22px; }

  /* 新闻详情 */
  .news-article h1 { font-size: 22px; margin-bottom: 18px; }
  .news-article .content p { font-size: 15px; margin-bottom: 14px; }
  .news-article .content h2 { font-size: 18px; }
  .news-article .meta { gap: 12px; padding: 12px 0; }

  /* 页脚 */
  .site-footer { padding-top: 48px; }
  .footer-grid { gap: 28px; }
  .footer-brand img { width: 150px; }
  .footer-brand .cn { font-size: 16px; }
  .footer-grid h4 { font-size: 15px; margin-bottom: 14px; }
  .footer-links li { margin-bottom: 8px; font-size: 13.5px; }
  .footer-contact li { font-size: 13.5px; }
  .footer-qrcode { gap: 10px; }
  .footer-qrcode .qr { width: 78px; height: 78px; padding: 6px; }
  .footer-bottom { padding: 16px 0; }
}

/* 超小屏（<=480px）再压一版 */
@media (max-width: 480px) {
  .hero h1 { font-size: 22px; }
  .hero p.lead { font-size: 13.5px; }
  .hero-badge { font-size: 11.5px; padding: 4px 10px; }
  .hero-stats { gap: 10px; }
  .hero-stat { justify-content: space-between; }
  .hero-stat .num { font-size: 22px; }
  .kpi-band .container { grid-template-columns: 1fr; gap: 22px; }
  .kpi-item .num { font-size: 30px; }
  .footer-brand img { width: 130px; }
}

/* 无障碍：跳转链接 */
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--brand); color: #fff; padding: 10px 18px; border-radius: 0 0 10px 0; z-index: 2000; }
.skip-link:focus { left: 0; }

/* 打印优化 */
@media print {
  .topbar, .site-header, .site-footer, .back-top, .nav-mask { display: none; }
}