/* ============================================================
   assets/css/site.css — 智合聚通企业官网全站样式（唯一公共样式）
   规范依据：design.md v1.0
============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  /* 品牌色 */
  --c-primary: #3470FF;
  --c-primary-dark: #2A5CD9;
  --c-primary-soft: #E8EEFF;
  --c-primary-faint: #F3F7FF;
  /* 辅助强调色（低饱和度） */
  --c-accent: #43A99C;
  --c-accent-soft: #E3F2F0;
  /* 中性色 */
  --c-text-1: #1E293B;
  --c-text-2: #475569;
  --c-text-3: #64748B;
  --c-line: #E5EAF2;
  --c-bg-soft: #F6F8FC;
  --c-bg-gray: #EEF2F8;
  --c-white: #FFFFFF;
  --c-footer-bg: #101A33;
  --c-footer-text: #A9B4C9;
  --c-footer-line: #243252;
  /* 阴影 */
  --shadow-sm: 0 2px 10px rgba(16, 26, 51, .06);
  --shadow-md: 0 6px 24px rgba(16, 26, 51, .08);
  --shadow-lg: 0 14px 40px rgba(16, 26, 51, .12);
  --shadow-primary: 0 8px 20px rgba(52, 112, 255, .25);
  /* 圆角 */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 999px;
  /* 布局 */
  --container: 1200px;
  --nav-h: 64px;
  --section-pad: 72px;
  --radius-full: 100px;
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  font-size: 16px; line-height: 1.7; color: var(--c-text-1);
  background: var(--c-white); -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--c-text-1); }

/* ---------- 工具类 ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.text-primary { color: var(--c-primary); }
.text-center { text-align: center; }
.text-sm { font-size: 14px; }
.hidden-mobile { display: block; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- 区块骨架 ---------- */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--c-bg-soft); }          /* 浅灰区块 */
.section-gray { background: var(--c-bg-gray); }         /* 深一档灰区块 */
.section-white { background: var(--c-white); }          /* 白色区块 */
.section-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(24px, 3.2vw, 34px); margin-bottom: 12px; }
.section-head .sub { font-size: clamp(16px, 1.6vw, 18px); color: var(--c-text-2); margin-bottom: 12px; }
.section-head .desc { color: var(--c-text-3); font-size: 15px; }
.section-head.left { margin-left: 0; text-align: left; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--r-pill); padding: 13px 30px; font-size: 16px; font-weight: 500;
  transition: all .3s ease; white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: #fff; box-shadow: var(--shadow-primary); }
.btn-primary:hover { background: var(--c-primary-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--c-primary); border: 1px solid var(--c-primary); }
.btn-outline:hover { background: var(--c-primary-soft); transform: translateY(-1px); }
.btn-white { background: #fff; color: var(--c-primary); box-shadow: var(--shadow-md); }
.btn-white:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-lg { padding: 16px 38px; font-size: 17px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn .ic { width: 18px; height: 18px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 999; background: #fff;
  border-bottom: 1px solid transparent; transition: box-shadow .3s, background .3s, border-color .3s;
}
.site-header.scrolled { background: rgba(255, 255, 255, .88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: var(--shadow-sm); border-color: var(--c-line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand .logo-mark { width: 34px; height: 34px; }
.brand .logo-img { height: 36px; width: auto; display: block; object-fit: contain; }
.brand .logo-text { font-size: 21px; font-weight: 700; color: var(--c-text-1); letter-spacing: .5px; }
.brand .logo-text em { font-style: normal; color: var(--c-primary); }
.main-nav { display: flex; gap: 4px; }
.main-nav a { display: inline-block; padding: 8px 15px; font-size: 15px; color: var(--c-text-2); border-radius: var(--r-pill); transition: color .3s, background .3s; }
.main-nav a:hover { color: var(--c-primary); background: var(--c-primary-faint); }
.main-nav a.active { color: var(--c-primary); font-weight: 600; background: var(--c-primary-soft); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-tel { display: inline-flex; align-items: center; gap: 7px; font-size: 16px; font-weight: 600; color: var(--c-text-1); }
.header-tel .ic { width: 18px; height: 18px; color: var(--c-primary); }
.header-consult { padding: 9px 22px; font-size: 14px; }
.nav-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border: 1px solid var(--c-line); border-radius: var(--r-md); }
.nav-toggle svg { width: 22px; height: 22px; stroke: var(--c-text-1); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #EEF3FF 0%, #F6F9FF 45%, #EAF1FF 100%);
  padding: 76px 0 64px;
}
.hero-bg-dots { position: absolute; inset: 0; pointer-events: none; }
.hero-bg-dots::before {
  content: ""; position: absolute; right: -60px; top: -60px; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(52, 112, 255, .10) 0%, transparent 62%);
}
.hero-bg-dots::after {
  content: ""; position: absolute; left: -80px; bottom: -100px; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(67, 169, 156, .10) 0%, transparent 62%);
}
.hero-bg-dots::before, .hero-bg-dots::after { animation: heroGlow 6s ease-in-out infinite; }
@keyframes heroGlow { 0%, 100% { opacity: .6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.08); } }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-copy { max-width: 620px; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-pill); font-size: 13px; color: var(--c-text-2); box-shadow: var(--shadow-sm); margin-bottom: 20px; }
.hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent); animation: heroPulse 2.6s ease-in-out infinite; }
@keyframes heroPulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.75); } }
.hero h1 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.22; margin-bottom: 18px; }
.hero h1 .hl { color: var(--c-primary); }
.hero-desc { font-size: 17px; color: var(--c-text-2); margin-bottom: 28px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 38px; }
.hero-stat b { display: block; font-size: 22px; color: var(--c-text-1); }
.hero-stat span { font-size: 13px; color: var(--c-text-3); }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-phones { display: flex; align-items: flex-end; gap: 18px; }
.phone {
  width: 208px; border-radius: 30px; background: #0E1626; padding: 10px; box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, .08);
}
.phone.mid { width: 236px; transform: translateY(8px); animation: phoneFloat 5s ease-in-out infinite; }
@keyframes phoneFloat { 0%, 100% { transform: translateY(8px); } 50% { transform: translateY(0); } }
.phone-screen { border-radius: 22px; background: linear-gradient(180deg, #1B2740 0%, #101A33 100%); overflow: hidden; aspect-ratio: 9 / 18.5; position: relative; display: flex; flex-direction: column; }
.phone-topbar { display: flex; justify-content: space-between; padding: 8px 12px 0; color: rgba(255, 255, 255, .85); font-size: 10px; }
.phone-topbar .bar-icons { display: flex; gap: 4px; align-items: center; }
.bar-ico { width: 12px; height: 12px; fill: rgba(255, 255, 255, .7); }
.phone-body { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 8px 12px 18px; }
.call-logo {
  width: 58px; height: 58px; border-radius: 50%; background: rgba(255, 255, 255, .14);
  display: flex; align-items: center; justify-content: center; overflow: hidden; margin-bottom: 12px;
}
.call-logo img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.call-logo i { font-style: normal; color: #fff; font-size: 22px; line-height: 1; }
.call-name { color: #fff; font-size: 16px; font-weight: 600; letter-spacing: .5px; }
.call-phone { color: rgba(255, 255, 255, .72); font-size: 12px; margin-top: 4px; }
.call-badge { margin-top: 10px; display: inline-flex; align-items: center; gap: 4px; background: rgba(67, 169, 156, .18); color: #7FE0D4; border: 1px solid rgba(67, 169, 156, .4); padding: 3px 10px; border-radius: var(--r-pill); font-size: 11px; }
.call-badge .ic { width: 12px; height: 12px; }
.call-actions { display: flex; gap: 40px; margin-top: 18px; }
.call-btn { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.call-btn svg { width: 18px; height: 18px; fill: #fff; }
.call-btn.reject { background: #E5484D; }
.call-btn.accept { background: #30A46C; }
.call-status { color: rgba(255, 255, 255, .6); font-size: 11px; margin-top: 14px; }
.hero-note { position: absolute; right: -6px; bottom: -16px; background: #fff; border: 1px solid var(--c-line); box-shadow: var(--shadow-md); border-radius: 12px; padding: 10px 14px; font-size: 12px; color: var(--c-text-2); display: flex; align-items: center; gap: 8px; animation: heroFloatNote 6s ease-in-out infinite; }
@keyframes heroFloatNote { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.hero-note .ok { color: var(--c-accent); font-weight: 600; }

/* ---------- 内容页 Hero（唯一方案：渐变底+面包屑+居中标题+矢量装饰） ---------- */
.page-hero { position: relative; overflow: hidden; background: linear-gradient(180deg, var(--c-primary-faint) 0%, #fff 100%); padding: 52px 0 46px; }
.page-hero .crumb { display: flex; justify-content: center; gap: 8px; font-size: 13px; color: var(--c-text-3); margin-bottom: 16px; }
.page-hero .crumb a:hover { color: var(--c-primary); }
.page-hero h1 { text-align: center; font-size: clamp(26px, 3.6vw, 38px); margin-bottom: 12px; }
.page-hero .sub { text-align: center; color: var(--c-text-2); font-size: 16px; max-width: 720px; margin: 0 auto; }
.hero-vec { position: absolute; pointer-events: none; }
.hero-vec.v1 { width: 340px; height: 340px; right: -120px; top: -140px; background: radial-gradient(circle, rgba(52, 112, 255, .12), transparent 65%); border-radius: 50%; }
.hero-vec.v2 { width: 200px; height: 200px; left: -90px; bottom: -90px; background: radial-gradient(circle, rgba(67, 169, 156, .12), transparent 65%); border-radius: 50%; }
.hero-vec.v3 { right: 12%; top: 22%; width: 120px; height: 60px; background-image: radial-gradient(circle, rgba(52, 112, 255, .35) 1.5px, transparent 1.5px); background-size: 16px 16px; opacity: .5; }

/* ---------- 面包屑（详情页内联） ---------- */
.crumb-inline { display: flex; gap: 8px; font-size: 13px; color: var(--c-text-3); margin-bottom: 18px; flex-wrap: wrap; }
.crumb-inline a:hover { color: var(--c-primary); }

/* ---------- 卡片 ---------- */
.card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); box-shadow: var(--shadow-sm); padding: 24px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(52, 112, 255, .4); }
.card-grid { display: grid; gap: 24px; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card .card-title { font-size: 19px; margin-bottom: 10px; }
.card .card-desc { color: var(--c-text-2); font-size: 15px; }
/* 认证前后对比卡（认证服务页） */
.compare-card { text-align: center; padding: 30px 26px 28px; }
.compare-card img { width: 148px; height: auto; margin: 0 auto 20px; border-radius: 16px; box-shadow: var(--shadow-md); display: block; }
.compare-card h3 { font-size: 18px; margin-bottom: 14px; }
.compare-card ul { list-style: none; text-align: left; }
.compare-card li { position: relative; padding-left: 22px; font-size: 14px; color: var(--c-text-2); line-height: 1.75; margin-bottom: 10px; }
.compare-card li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary); }
.compare-card.before h3 { color: #D6453D; }
.compare-card.before li::before { background: #E8533C; }
.compare-card.after h3 { color: var(--c-primary); }
.compare-card.after li::before { background: var(--c-accent); }
/* 服务优势卡（认证服务页） */
.adv-card { text-align: center; }
.adv-card .adv-ic { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 14px; background: var(--c-primary-soft); display: flex; align-items: center; justify-content: center; }
.adv-card .adv-ic svg { width: 26px; height: 26px; stroke: var(--c-primary); }
.adv-card h3 { font-size: 17px; margin-bottom: 8px; }
.adv-card p { font-size: 13.5px; color: var(--c-text-2); line-height: 1.7; }

/* 图标块 */
.icon-tile { width: 52px; height: 52px; border-radius: 14px; background: var(--c-primary-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.icon-tile svg { width: 26px; height: 26px; stroke: var(--c-primary); }
.icon-tile.accent { background: var(--c-accent-soft); }
.icon-tile.accent svg { stroke: var(--c-accent); }

/* ---------- 首页问题卡片（电话沟通问题） ---------- */
.problem-card { text-align: center; }
.problem-card .icon-tile { margin: 0 auto 16px; }
.problem-card h3 { font-size: 17px; margin-bottom: 8px; }
.problem-card p { font-size: 14px; color: var(--c-text-2); }

/* ---------- 核心价值 ---------- */
.value-card { position: relative; }
.value-card .value-num { position: absolute; right: 20px; top: 18px; font-size: 40px; font-weight: 700; color: var(--c-primary-soft); line-height: 1; }

/* ---------- 流程（流程图样式） ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: flow; position: relative; }
.flow.cols-3 { grid-template-columns: repeat(3, 1fr); }
.flow-step { position: relative; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: 26px 20px; text-align: center; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(52, 112, 255, .4); }
.flow-num { width: 46px; height: 46px; margin: 0 auto 14px; border-radius: 50%; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark)); color: #fff; font-weight: 700; font-size: 18px; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-primary); }
.flow-step h3 { font-size: 17px; margin-bottom: 8px; }
.flow-step p { font-size: 13.5px; color: var(--c-text-2); }
.flow-step::after {
  content: ""; position: absolute; top: 50%; left: calc(100% + 6px); width: 16px; height: 0;
  border-top: 2px dashed rgba(52, 112, 255, .5); transform: translateY(-50%);
}
.flow-step:last-child::after { display: none; }
.flow-arrow { position: absolute; top: 50%; left: calc(100% - 6px); transform: translateY(-50%); color: var(--c-primary); }

/* ---------- 时间轴（办理流程页） ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before { content: ""; position: absolute; left: 23px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(180deg, var(--c-primary), var(--c-accent)); }
.tl-item { position: relative; padding-left: 72px; margin-bottom: 36px; }
.tl-dot { position: absolute; left: 4px; top: 2px; width: 40px; height: 40px; border-radius: 50%; background: #fff; border: 2px solid var(--c-primary); display: flex; align-items: center; justify-content: center; color: var(--c-primary); font-weight: 700; font-size: 15px; z-index: 1; }
.tl-body { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: 22px 26px; box-shadow: var(--shadow-sm); }
.tl-body h3 { font-size: 18px; margin-bottom: 8px; }
.tl-body p { color: var(--c-text-2); font-size: 14.5px; margin-bottom: 6px; }
.tl-body .tl-note { color: var(--c-text-3); font-size: 13px; display: flex; gap: 6px; align-items: flex-start; }
.tl-body .tl-note .ic { width: 15px; height: 15px; color: var(--c-accent); flex-shrink: 0; margin-top: 2px; }

/* ---------- 手风琴 FAQ ---------- */
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md); margin-bottom: 12px; overflow: hidden; transition: border-color .3s; }
.faq-item.open { border-color: rgba(52, 112, 255, .45); box-shadow: var(--shadow-sm); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 22px; text-align: left; font-size: 16px; font-weight: 600; color: var(--c-text-1); }
.faq-q .faq-ic { width: 26px; height: 26px; border-radius: 50%; background: var(--c-primary-soft); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: transform .3s ease, background .3s; }
.faq-q .faq-ic svg { width: 14px; height: 14px; stroke: var(--c-primary); }
.faq-item.open .faq-q .faq-ic { transform: rotate(45deg); background: var(--c-primary); }
.faq-item.open .faq-q .faq-ic svg { stroke: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease, opacity .3s ease; opacity: 0; }
.faq-a-inner { padding: 0 22px 18px; color: var(--c-text-2); font-size: 15px; }
.faq-item.open .faq-a { max-height: 800px; opacity: 1; }

/* ---------- 号码类型 ---------- */
.num-type-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.num-type { display: flex; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: 20px; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s, border-color .3s; }
.num-type:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(52, 112, 255, .4); }
.num-type .nt-ic { width: 54px; height: 54px; flex-shrink: 0; position: relative; display: block; }
.num-type .nt-ic::before { content: ""; position: absolute; left: 2px; top: 2px; width: 22px; height: 22px; border-radius: 50%; background: var(--c-primary); box-shadow: 0 2px 6px rgba(52,112,255,.35); z-index: 2; }
.num-type .nt-circle { position: absolute; right: 0; bottom: 0; width: 44px; height: 44px; border-radius: 50%; background: rgba(52,112,255,.12); display: flex; align-items: center; justify-content: center; }
.num-type .nt-ic svg { width: 22px; height: 22px; stroke: var(--c-primary); }
.num-type .nt-txt { font-size: 15px; font-weight: 700; color: var(--c-primary); letter-spacing: .5px; }
.num-type b { display: block; font-size: 16px; }
.num-type span { font-size: 13px; color: var(--c-text-3); }

/* ---------- 合作机型 ---------- */
.brand-badges { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.brand-badge { display: inline-flex; align-items: center; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md); padding: 8px 16px; box-shadow: var(--shadow-sm); transition: transform .3s, border-color .3s; }
.brand-badge:hover { transform: translateY(-2px); border-color: rgba(52, 112, 255, .4); }
.brand-badge img { height: 28px; width: auto; max-width: 110px; object-fit: contain; display: block; }

/* ---------- 客户背书 ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.testi-card { display: flex; gap: 18px; }
.testi-avatar { width: 58px; height: 58px; border-radius: 50%; overflow: hidden; flex-shrink: 0; border: 2px solid var(--c-primary-soft); }
.testi-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testi-card blockquote { color: var(--c-text-2); font-size: 14.5px; margin: 8px 0 12px; }
.testi-meta { display: flex; align-items: center; gap: 10px; }
.testi-meta b { font-size: 15px; }
.testi-meta span { font-size: 13px; color: var(--c-text-3); }

/* ---------- 服务优势 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-item { text-align: center; }
.adv-item .icon-tile { margin: 0 auto 14px; }
.adv-item h3 { font-size: 16px; margin-bottom: 6px; }
.adv-item p { font-size: 13.5px; color: var(--c-text-2); }
.adv-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 40px; }
.adv-band-item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: 22px; text-align: center; }
.adv-band-item b { display: block; font-size: 26px; color: var(--c-primary); margin-bottom: 4px; }
.adv-band-item span { font-size: 13.5px; color: var(--c-text-3); }

/* ---------- 体验区（立即体验电话号码认证效果） ---------- */
.experience-section { background: var(--c-bg-soft); }
.experience-wrap { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: start; }
.phone-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pv-cell { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.pv-caption { font-size: 13px; font-weight: 600; color: var(--c-primary); background: var(--c-primary-soft); padding: 4px 16px; border-radius: var(--r-pill); }
.preview-phone { background: #0E1626; border-radius: 24px; padding: 8px; box-shadow: var(--shadow-md); width: 100%; }
.preview-screen { border-radius: 18px; background: #fff; overflow: hidden; aspect-ratio: 9 / 18; display: flex; flex-direction: column; position: relative; }
.preview-top { display: flex; justify-content: space-between; align-items: center; padding: 7px 9px 0; color: #1E293B; font-size: 10px; }
.preview-top .pv-icons { display: flex; gap: 3px; align-items: center; }
.preview-top svg { width: 11px; height: 11px; fill: #475569; }
.preview-body { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; text-align: center; padding: 22px 10px 14px; }
.preview-logo { width: 56px; height: 56px; border-radius: 50%; background: var(--c-primary-soft); display: flex; align-items: center; justify-content: center; overflow: hidden; margin-bottom: 12px; }
.preview-logo img { width: 100%; height: 100%; object-fit: cover; }
.preview-logo i { font-style: normal; font-size: 22px; color: var(--c-primary); }
.preview-name { font-size: 17px; font-weight: 600; color: #1E293B; }
.preview-phone-text { font-size: 13px; color: #64748B; margin-top: 4px; }
.preview-badge { margin-top: 10px; display: inline-flex; align-items: center; gap: 3px; background: var(--c-accent-soft); color: var(--c-accent); padding: 3px 10px; border-radius: var(--r-pill); font-size: 11px; font-weight: 600; }
.preview-actions { display: flex; gap: 28px; margin-top: auto; padding-top: 14px; }
.preview-action { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 3px 10px rgba(0, 0, 0, .18); }
.preview-action svg { width: 20px; height: 20px; fill: #fff; }
.preview-action.reject { background: #E5484D; }
.preview-action.accept { background: #30A46C; }
.pv-list { padding: 8px 10px; text-align: left; flex: 1; }
.pv-list-item { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px solid var(--c-line); }
.pv-list-item:last-child { border-bottom: none; }
.pv-list-item .pv-logo-sm { width: 24px; height: 24px; border-radius: 50%; background: var(--c-primary-soft); display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0; }
.pv-list-item .pv-logo-sm img { width: 100%; height: 100%; object-fit: cover; }
.pv-list-item .pv-logo-sm i { font-style: normal; font-size: 11px; color: var(--c-primary); }
.pv-list-item .pv-li-name { font-size: 12px; font-weight: 600; color: #1E293B; line-height: 1.3; }
.pv-list-item .pv-li-phone { font-size: 10.5px; color: #64748B; }
.pv-list-item .pv-li-tag { margin-left: auto; background: var(--c-accent-soft); color: var(--c-accent); font-size: 9px; font-weight: 600; padding: 2px 6px; border-radius: var(--r-pill); flex-shrink: 0; }
.preview-form-card { background: #fff; border-radius: var(--r-xl); box-shadow: var(--shadow-lg); padding: 26px; position: sticky; top: 88px; }
.preview-form-card h3 { font-size: 18px; margin-bottom: 6px; }
.preview-form-card .pf-sub { font-size: 13px; color: var(--c-text-3); margin-bottom: 18px; }
.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 13px; font-weight: 600; color: var(--c-text-2); margin-bottom: 6px; }
.form-input, .form-field input[type="text"] {
  width: 100%; border: 1px solid var(--c-line); border-radius: var(--r-md); padding: 10px 14px; font-size: 14px; color: var(--c-text-1); outline: none; background: #fff; transition: border-color .3s, box-shadow .3s;
}
.form-input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(52, 112, 255, .12); }
.upload-row { display: flex; gap: 10px; }
.upload-row .form-input { flex: 1; }
.upload-btn { flex-shrink: 0; background: var(--c-primary-soft); color: var(--c-primary); border: 1px solid rgba(52, 112, 255, .35); border-radius: var(--r-md); padding: 10px 16px; font-size: 13px; font-weight: 600; transition: background .3s; }
.upload-btn:hover { background: var(--c-primary); color: #fff; }
.pf-note { font-size: 12px; color: var(--c-text-3); margin-top: 4px; }
.hidden { display: none !important; }

/* ---------- 资讯卡片 ---------- */
.news-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.news-thumb { aspect-ratio: 16 / 9; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 17px; line-height: 1.5; margin-bottom: 8px; }
.news-body h3 a:hover { color: var(--c-primary); }
.news-body .news-excerpt { color: var(--c-text-2); font-size: 14px; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 13px; color: var(--c-text-3); }
.news-meta .tag { color: var(--c-primary); background: var(--c-primary-soft); padding: 2px 10px; border-radius: var(--r-pill); }

/* 列表卡片（无缩略图） */
.list-card { display: block; padding: 22px 24px; }
.list-card h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.5; }
.list-card h3 a:hover { color: var(--c-primary); }
.list-card p { color: var(--c-text-2); font-size: 14.5px; }
.list-card .news-meta { margin-top: 12px; }

/* ---------- 分页 ---------- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 44px; }
.page-link { min-width: 40px; height: 40px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--c-line); border-radius: var(--r-md); font-size: 14px; color: var(--c-text-2); background: #fff; transition: all .3s; }
.page-link:hover:not(.disabled):not(.active) { border-color: var(--c-primary); color: var(--c-primary); }
.page-link.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }
.page-link.disabled { opacity: .45; cursor: not-allowed; }

/* ---------- TAB ---------- */
.tab-bar { display: flex; gap: 10px; justify-content: center; margin-bottom: 34px; }
.tab-btn { padding: 10px 28px; border-radius: var(--r-pill); border: 1px solid var(--c-line); background: #fff; color: var(--c-text-2); font-size: 15px; transition: all .3s; }
.tab-btn.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }
.tab-pane { display: none; animation: tabFade .3s ease; }
.tab-pane.active { display: block; }
@keyframes tabFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.empty-state { text-align: center; padding: 60px 20px; color: var(--c-text-3); background: #fff; border: 1px dashed var(--c-line); border-radius: var(--r-lg); font-size: 15px; }

/* ---------- 标签云 ---------- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tag-pill { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-pill); padding: 9px 18px; font-size: 14px; color: var(--c-text-2); box-shadow: var(--shadow-sm); transition: all .3s; }
.tag-pill:hover { border-color: var(--c-primary); color: var(--c-primary); transform: translateY(-2px); }
.tag-pill .cnt { background: var(--c-primary-soft); color: var(--c-primary); border-radius: var(--r-pill); padding: 0 9px; font-size: 12px; font-weight: 600; }

/* ---------- 侧栏广告位 ---------- */
.layout-with-side { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.side-ad { position: sticky; top: 88px; }
.ad-card { background: linear-gradient(160deg, #3470FF 0%, #2A5CD9 100%); border-radius: var(--r-xl); padding: 26px 22px; color: #fff; text-align: center; }
.ad-card h3 { color: #fff; font-size: 18px; margin-bottom: 8px; }
.ad-card p { color: rgba(255, 255, 255, .85); font-size: 13.5px; margin-bottom: 16px; }
.ad-card img.qr { width: 150px; height: 150px; margin: 0 auto 14px; border-radius: 12px; background: #fff; padding: 6px; }
.ad-card .btn { width: 100%; }
.ad-card .ad-phone { display: block; margin-top: 12px; font-size: 15px; font-weight: 600; color: #fff; }
.ad-card .ad-phone:hover { text-decoration: underline; }

/* ---------- 价格卡片 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.price-card { position: relative; display: flex; flex-direction: column; padding: 30px 28px; }
.price-card.featured { border: 2px solid var(--c-primary); box-shadow: var(--shadow-md); }
.price-flag { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--c-primary); color: #fff; font-size: 12.5px; font-weight: 600; padding: 4px 16px; border-radius: var(--r-pill); }
.price-card h3 { font-size: 20px; margin-bottom: 6px; }
.price-card .pc-fit { font-size: 13px; color: var(--c-text-3); margin-bottom: 18px; }
.price-amount { font-size: 26px; font-weight: 700; color: var(--c-primary); margin-bottom: 20px; display: flex; align-items: baseline; gap: 6px; }
.price-amount small { font-size: 14px; font-weight: 400; color: var(--c-text-3); }
.price-list { flex: 1; margin-bottom: 24px; }
.price-list li { display: flex; gap: 10px; font-size: 14.5px; color: var(--c-text-2); padding: 7px 0; align-items: flex-start; }
.price-list .ok-ic { width: 16px; height: 16px; color: var(--c-accent); flex-shrink: 0; margin-top: 3px; }

/* 对比表 */
.compare-wrap { overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 720px; background: #fff; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.compare-table th, .compare-table td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--c-line); font-size: 14px; }
.compare-table thead th { background: var(--c-bg-gray); font-weight: 600; color: var(--c-text-1); }
.compare-table th:first-child { width: 34%; }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td .ok { color: var(--c-accent); font-weight: 600; }
.compare-table td .no { color: var(--c-text-3); }
.compare-table td.hl { background: var(--c-primary-faint); }

/* ---------- 底部 CTA ---------- */
.cta-band { background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(22px, 3vw, 32px); margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, .9); font-size: 16px; margin-bottom: 28px; }
.cta-band .btn-white { }
.cta-band .cta-phone { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-size: 18px; font-weight: 600; color: #fff; }
.cta-band .cta-phone .ic { width: 20px; height: 20px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-footer-bg); color: var(--c-footer-text); padding: 56px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.9fr .8fr .7fr .7fr 1.2fr; gap: 32px; padding-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { transition: color .3s; }
.footer-col a:hover { color: #fff; }
.footer-about .brand { margin-bottom: 14px; }
.footer-about .brand .logo-img { height: 40px; }
.footer-about .brand .logo-text { color: #fff; }
.footer-about p { line-height: 1.8; font-size: 13.5px; }
.footer-links { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.footer-links a { padding: 4px 12px; border: 1px solid var(--c-footer-line); border-radius: var(--r-pill); font-size: 12.5px; }
.footer-links a:hover { border-color: var(--c-primary); color: var(--c-primary-soft); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .ic { width: 16px; height: 16px; color: var(--c-primary-soft); flex-shrink: 0; margin-top: 3px; }
.footer-qr { width: 110px; height: 110px; border-radius: 10px; background: #fff; padding: 6px; margin-top: 8px; }
/* footer 友情链接（仅首页） */
.footer-links-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; }
.footer-links-row .links-title { color: rgba(255,255,255,.6); }
.footer-links-row a { color: rgba(255,255,255,.55); transition: color .3s; }
.footer-links-row a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid var(--c-footer-line); padding: 18px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; }

/* ---------- 右侧浮动咨询 ---------- */
.float-widget { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 998; display: flex; flex-direction: column; gap: 12px; }
.float-item {
  width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; position: relative; box-shadow: var(--shadow-md); transition: transform .3s;
}
.float-item:hover { transform: scale(1.08); }
.float-item svg { width: 26px; height: 26px; }
.float-item .tip { position: absolute; right: 68px; top: 50%; transform: translateY(-50%) translateX(6px); background: #101A33; color: #fff; font-size: 12px; padding: 6px 12px; border-radius: var(--r-sm); white-space: nowrap; opacity: 0; pointer-events: none; transition: all .3s; }
.float-item:hover .tip { opacity: 1; transform: translateY(-50%) translateX(0); }
.float-consult { background: linear-gradient(180deg, var(--c-primary), var(--c-primary-dark)); animation: floatGlow 3s ease-in-out infinite; }
.float-consult .float-dot { position: absolute; top: 3px; right: 3px; width: 12px; height: 12px; border-radius: 50%; background: #FF3B30; border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.3); z-index: 1; }
@keyframes floatGlow { 0%, 100% { box-shadow: 0 4px 14px rgba(52, 112, 255, .35); } 50% { box-shadow: 0 4px 22px rgba(52, 112, 255, .6); } }
.float-wechat { background: #2BB673; position: relative; }
.wechat-pop { position: absolute; right: 78px; top: 50%; transform: translateY(-50%) translateX(6px); background: #fff; border-radius: 14px; padding: 16px 20px; box-shadow: 0 8px 30px rgba(16,26,51,.16); display: none; flex-direction: column; align-items: center; gap: 10px; z-index: 999; transition: opacity .3s, transform .3s; }
.wechat-pop img { width: 150px; height: 150px; flex: 0 0 auto; max-width: none; object-fit: contain; border-radius: 10px; border: 1px solid var(--c-line); padding: 6px; background: #fff; }
.wechat-pop b { font-size: 15px; color: var(--c-text-1); font-weight: 600; line-height: 1.5; text-align: center; }
.float-wechat:hover .wechat-pop { display: flex; }
.float-wechat:hover .tip { opacity: 0; visibility: hidden; }
.footer-wechat { position: relative; }
.footer-wechat:hover .wechat-pop { display: flex; }
.footer-wechat .wechat-pop { right: 0; left: auto; transform: translateY(0); top: 30px; left: 0; }
.float-phone { background: var(--c-footer-bg); border: 1px solid var(--c-footer-line); }

/* 微信弹窗 */
.wechat-modal { position: fixed; inset: 0; z-index: 1000; background: rgba(16, 26, 51, .55); display: none; align-items: center; justify-content: center; padding: 16px; }
.wechat-modal.open { display: flex; }
.wechat-dialog { position: relative; background: #fff; border-radius: 16px; padding: 28px 30px; text-align: center; max-width: 340px; width: 100%; box-shadow: var(--shadow-lg); animation: modalIn .3s ease; }
@keyframes modalIn { from { opacity: 0; transform: scale(.96) translateY(8px); } to { opacity: 1; transform: none; } }
.wechat-dialog .wm-close { position: absolute; right: 12px; top: 10px; font-size: 22px; color: var(--c-text-3); line-height: 1; }
.wechat-dialog h3 { font-size: 18px; margin-bottom: 14px; }
.wechat-dialog img { width: 180px; height: 180px; object-fit: contain; margin: 0 auto 14px; }
.wechat-dialog p { font-size: 13.5px; color: var(--c-text-2); }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.revealed { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }

/* ---------- 页面通用细节页 ---------- */
.article-wrap { max-width: 860px; margin: 0 auto; }
.article-body { font-size: 16px; color: var(--c-text-1); line-height: 1.9; }
.article-body h2 { font-size: 24px; margin: 34px 0 14px; }
.article-body h3 { font-size: 19px; margin: 26px 0 10px; }
.article-body p { margin-bottom: 16px; }
.article-body ul { margin: 0 0 16px; }
.article-body ul li { position: relative; padding-left: 22px; margin-bottom: 8px; }
.article-body ul li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 8px; height: 8px; border-radius: 2px; background: var(--c-primary-soft); border: 1px solid var(--c-primary); }
.article-body img { border-radius: var(--r-lg); margin: 18px auto; }
.article-cover { border-radius: var(--r-lg); overflow: hidden; margin-bottom: 24px; }
.article-date { color: var(--c-text-3); font-size: 13px; margin-bottom: 22px; display: flex; gap: 10px; align-items: center; }
.article-tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 26px 0; }
.article-tags a { font-size: 13px; color: var(--c-primary); background: var(--c-primary-soft); padding: 5px 14px; border-radius: var(--r-pill); transition: all .3s; }
.article-tags a:hover { background: var(--c-primary); color: #fff; }
.article-pager { display: flex; justify-content: space-between; gap: 18px; margin-top: 30px; }
.article-pager a { flex: 0 1 50%; border: 1px solid var(--c-line); border-radius: var(--r-md); padding: 14px 18px; transition: all .3s; }
.article-pager a:hover { border-color: var(--c-primary); background: var(--c-primary-faint); }
.article-pager .pg-label { display: block; font-size: 12px; color: var(--c-text-3); margin-bottom: 4px; }
.article-pager .pg-title { font-size: 14px; font-weight: 600; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* 关于我们 */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-intro img { border-radius: var(--r-xl); box-shadow: var(--shadow-md); width: 100%; }
.about-intro h2 { margin-bottom: 16px; }
.about-intro p { color: var(--c-text-2); margin-bottom: 12px; }
.about-contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; padding: 22px; }
.contact-item .icon-tile { margin-bottom: 0; flex-shrink: 0; }
.contact-item b { display: block; margin-bottom: 4px; }
.contact-item span, .contact-item a { color: var(--c-text-2); font-size: 14.5px; word-break: break-all; }
.contact-item a:hover { color: var(--c-primary); }
.contact-qr-box { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: flex-start; text-align: left; gap: 24px; }
.contact-qr-box .contact-ic { margin-bottom: 0; }
.contact-qr-wrap { display: flex; align-items: center; gap: 10px; }
.contact-qr-wrap img { width: 150px; height: 150px; margin: 0; border: 1px solid var(--c-line); border-radius: 12px; padding: 6px; background: #fff; }
.contact-qr-wrap .btn { margin-left: 0; flex: none; justify-content: center; min-width: 96px; margin: 0 0 0 18px; }
.contact-qr-box img { width: 150px; height: 150px; margin: 0 auto 10px; border: 1px solid var(--c-line); border-radius: 12px; padding: 6px; }

/* 关于我们-数据统计 */
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.about-stat { text-align: center; padding: 22px 16px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s, border-color .3s; }
.about-stat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(52, 112, 255, .4); }
.about-stat b { display: block; font-size: 44px; font-weight: 700; line-height: 1.1; color: var(--c-primary); background: linear-gradient(135deg, #3470FF 0%, #5B8DFF 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; animation: statPulse 2.4s ease-in-out infinite; }
.about-stat span { display: block; margin-top: 6px; font-size: 14px; color: var(--c-text-2); }
/* 数字滚动计数（首页 hero 统计 / 关于我们统计） */
.hero-stat b .stat-num, .hero-stat b .stat-plus, .about-stat b .stat-num, .about-stat b .stat-plus { font-style: normal; }
.hero-stat b .stat-num, .hero-stat b .stat-plus { color: var(--c-primary); }
@keyframes statPulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.06); opacity: .85; } }

/* 关于我们-服务优势（1行3个） */
.about-adv .adv-grid, .about-adv-grid { grid-template-columns: repeat(3, 1fr); }
.about-adv .adv-item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: 28px 22px; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s, border-color .3s; }
.about-adv .adv-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(52, 112, 255, .4); }

/* 关于我们-企业文化（线条图标） */
.culture-card .icon-img { width: 72px; height: 72px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; }
.culture-card .ic-ring { width: 72px; height: 72px; border-radius: 50%; background: var(--c-primary-soft); display: flex; align-items: center; justify-content: center; }
.culture-card .ic-ring svg { width: 34px; height: 34px; stroke: var(--c-primary); }
.culture-card { text-align: center; padding: 26px 20px; }
.culture-card .card-title { margin-top: 0; padding: 0; }
.culture-card .card-desc { padding: 0; }

/* 关于我们-联系方式 */
.contact-item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s, border-color .3s; }
.contact-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(52, 112, 255, .4); }
.contact-item .btn { margin-top: 4px; margin-left: auto; flex-shrink: 0; }
.contact-item a.btn, .contact-item .btn { color: inherit; }
.contact-item .btn-primary, .contact-qr-wrap .btn-primary { color: #fff !important; }
.contact-main { flex: 1; min-width: 0; }
.contact-main b { font-size: 15px; color: var(--c-text-1); }
.contact-main p { font-size: 14px; color: var(--c-text-2); line-height: 1.6; margin: 0; word-break: break-all; }
.contact-ic { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: var(--c-primary-soft); display: flex; align-items: center; justify-content: center; }
.contact-ic svg { width: 22px; height: 22px; stroke: var(--c-primary); }
.contact-qr-box .btn { margin-top: 4px; }

/* ---------- 行业方案总览卡片 ---------- */
.solution-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.solution-card .sol-thumb { aspect-ratio: 16 / 8.2; overflow: hidden; }
.solution-card .sol-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.solution-card:hover .sol-thumb img { transform: scale(1.05); }
.solution-card .sol-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.solution-card h3 { font-size: 18px; margin-bottom: 8px; }
.solution-card h3 a:hover { color: var(--c-primary); }
.solution-card p { color: var(--c-text-2); font-size: 14px; flex: 1; }
.solution-card .sol-link { margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; color: var(--c-primary); font-size: 14px; font-weight: 600; }
.solution-card .sol-link svg { width: 16px; height: 16px; transition: transform .3s; }
.solution-card:hover .sol-link svg { transform: translateX(4px); }

/* 行业 Banner */
.solution-banner { position: relative; }
.solution-banner img { width: 100%; height: 300px; object-fit: cover; }
.solution-banner .sol-mask { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16, 26, 51, .18), rgba(16, 26, 51, .55)); display: flex; align-items: flex-end; padding: 26px 0; }
.solution-banner .sol-mask-inner { color: #fff; width: 100%; }
.solution-banner .sol-mask-inner .crumb { color: rgba(255, 255, 255, .85); }
.solution-banner h1 { color: #fff; font-size: clamp(26px, 3.6vw, 38px); }

/* 痛点/价值对照 */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain-item { display: flex; gap: 14px; align-items: flex-start; padding: 20px; }
.pain-item .pain-ic { width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.pain-item .pain-ic svg { width: 20px; height: 20px; }
.pain-item.pain-bad { background: #FEF4F4; border-color: #F5D9D9; }
.pain-item.pain-bad .pain-ic { background: #FBE3E3; }
.pain-item.pain-bad .pain-ic svg { stroke: #D64550; }
.pain-item.pain-good { background: var(--c-accent-soft); border-color: #CFE8E4; }
.pain-item.pain-good .pain-ic { background: #D2EBE7; }
.pain-item.pain-good .pain-ic svg { stroke: var(--c-accent); }
.pain-item b { font-size: 15.5px; margin-bottom: 4px; display: block; }
.pain-item p { font-size: 13.5px; color: var(--c-text-2); }

/* 材料清单 */
.material-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.material-item { display: flex; gap: 12px; align-items: center; padding: 16px 20px; background: linear-gradient(90deg, var(--c-primary), #4F82FF); border-radius: 10px 4px 4px 10px; box-shadow: 0 3px 12px rgba(52,112,255,.18); position: relative; overflow: hidden; }
.material-item::after { content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 6px; background: rgba(255,255,255,.28); }
.material-item .mt-ic { width: 26px; height: 26px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.material-item .mt-ic svg { width: 22px; height: 22px; stroke: #fff; stroke-width: 1.8; }
.material-item b { font-size: 15px; margin-bottom: 2px; display: block; color: #fff; }
.material-item p { font-size: 12.5px; color: rgba(255,255,255,.9); margin: 0; line-height: 1.5; }

/* 标签详情页计数 */
.tag-count { text-align: center; color: var(--c-text-3); font-size: 14px; margin-bottom: 26px; }
.tag-count b { color: var(--c-primary); }

/* ---------- 响应式 ---------- */
@media (max-width: 1199px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .about-adv-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .about-stat b { font-size: 34px; }
  .hero-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .layout-with-side { grid-template-columns: 1fr 280px; gap: 28px; }
}

@media (max-width: 991px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { max-width: 100%; text-align: center; }
  .hero-desc { margin: 0 auto 28px; }
  .hero-actions, .hero-stats { justify-content: center; }
  .phone { width: 170px; }
  .phone.mid { width: 196px; }
  .layout-with-side { grid-template-columns: 1fr; }
  .side-ad { position: static; }
  .price-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .compare-wrap { margin-top: 20px; }
  .about-intro { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 56px; --section-pad: 48px; }
  .hidden-mobile { display: none; }   /* 体验区在移动端整块隐藏 */
  .header-tel { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0; z-index: 998;
    background: #fff; flex-direction: column; padding: 20px 24px; gap: 4px;
    transform: translateX(100%); transition: transform .3s ease; overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .main-nav a { font-size: 17px; padding: 14px 16px; border-bottom: 1px solid var(--c-line); border-radius: 0; }
  .main-nav a.active { background: var(--c-primary-faint); }
  .header-consult { display: none; }
  .hero { padding: 52px 0 44px; }
  .hero h1 { font-size: 30px; }
  .hero-visual { display: none; }
  .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid.cols-3 { grid-template-columns: 1fr; }
  .card-grid.cols-2 { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow-step::after { display: none; }
  .num-type-grid { grid-template-columns: 1fr; }
  .adv-grid, .about-adv-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .contact-item { flex-wrap: wrap; }
  .contact-item .btn { margin-left: 0; width: 100%; }
  .contact-qr-wrap { flex-wrap: wrap; }
  .contact-qr-wrap .btn { flex: none; min-width: 0; margin: 4px 0 0; }
  .adv-band { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .experience-wrap { grid-template-columns: 1fr; }
  .phone-row { grid-template-columns: 1fr; max-width: 260px; margin: 0 auto; }
  .preview-form-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band p { font-size: 14.5px; }
  .float-widget { right: 10px; gap: 10px; }
  .float-item { width: 50px; height: 50px; }
  .float-item .tip { display: none; }
  .pagination { gap: 6px; }
  .page-link { min-width: 36px; height: 36px; padding: 0 10px; }
  .related-grid { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .material-list { grid-template-columns: 1fr; }
  .about-contact-grid { grid-template-columns: 1fr; }
  .article-pager { flex-direction: column; }
  .solution-banner img { height: 200px; }
}

@media (max-width: 480px) {
  .card-grid.cols-4 { grid-template-columns: 1fr; }
  .adv-band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions .btn { width: 100%; }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .phone.mid, .hero-note, .hero-tag .dot, .float-consult { animation: none; }
  * { transition-duration: .01s !important; }
}

/* 列表堆叠容器（列表页/标签页卡片间距） */
.list-stack { display: flex; flex-direction: column; gap: 18px; }