/* ============================================
   广西GEO - gxgeo.com
   桂林山水青绿 × 壮锦红 —— 广西本土GEO服务平台
   ============================================ */

:root {
  --primary: #0E7A5F;        /* 山水青绿 */
  --primary-dark: #0A5C48;
  --primary-light: #E6F4F0;
  --accent: #C13B2E;         /* 壮锦红 */
  --accent-light: #FBEAE8;
  --ink: #1A2E29;            /* 主文字 */
  --ink-soft: #5A6E68;       /* 次级文字 */
  --bg: #F7FAF9;             /* 页面底色 */
  --card: #FFFFFF;
  --line: #E2ECE9;
  --gold: #B8860B;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(14, 122, 95, .08);
  --shadow-hover: 0 10px 36px rgba(14, 122, 95, .16);
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "微软雅黑", -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

/* ---------- 顶部导航 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 21px; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, #14A87F 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 15px; font-weight: 800; letter-spacing: -1px;
  box-shadow: 0 3px 10px rgba(14,122,95,.3);
}
.logo small { font-size: 12px; color: var(--ink-soft); font-weight: 500; display: block; line-height: 1.1; }
.logo .logo-name { line-height: 1.15; }

.nav { display: flex; align-items: center; gap: 28px; font-size: 15px; font-weight: 500; }
.nav a { color: var(--ink-soft); transition: color .2s; position: relative; padding: 4px 0; }
.nav a:hover, .nav a.active { color: var(--primary); }
.nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 3px; border-radius: 3px; background: var(--primary);
}
.nav-cta {
  background: linear-gradient(135deg, var(--primary), #14A87F);
  color: #fff !important; padding: 9px 22px !important; border-radius: 999px;
  box-shadow: 0 4px 14px rgba(14,122,95,.28);
  transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(14,122,95,.36); }

.menu-btn { display: none; border: none; background: none; cursor: pointer; padding: 8px; }
.menu-btn svg { display: block; }

/* 移动端抽屉 */
.mobile-nav {
  display: none; flex-direction: column; gap: 4px;
  padding: 12px 24px 20px; background: #fff; border-bottom: 1px solid var(--line);
}
.mobile-nav a { padding: 12px 10px; border-radius: 10px; font-weight: 500; color: var(--ink); }
.mobile-nav a:active { background: var(--primary-light); }
.mobile-nav .nav-cta { text-align: center; margin-top: 8px; }
.mobile-nav.open { display: flex; }

/* ---------- 通用 Section ---------- */
.section { padding: 84px 0; }
.section-alt { background: #fff; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 52px; }
.section-tag {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--primary); background: var(--primary-light);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 16px;
}
.section-title { font-size: 34px; font-weight: 800; letter-spacing: 1px; }
.section-sub { color: var(--ink-soft); margin-top: 14px; font-size: 16px; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(20,168,127,.14), transparent 60%),
    radial-gradient(800px 400px at 5% 110%, rgba(193,59,46,.07), transparent 60%),
    linear-gradient(180deg, #F0F8F5 0%, var(--bg) 100%);
  padding: 90px 0 100px;
}
/* 山水剪影 */
.hero-mountains { position: absolute; left: 0; right: 0; bottom: 0; pointer-events: none; opacity: .5; }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 16px; font-size: 13.5px; color: var(--primary-dark); font-weight: 600;
  box-shadow: var(--shadow); margin-bottom: 22px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

.hero h1 { font-size: 48px; line-height: 1.28; font-weight: 800; letter-spacing: 1px; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--primary) 20%, #16B98C 60%, var(--primary-dark));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc { margin: 22px 0 30px; font-size: 17px; color: var(--ink-soft); max-width: 560px; }
.hero-desc b { color: var(--ink); }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 13px 30px; border-radius: 12px; font-size: 16px; font-weight: 700;
  cursor: pointer; border: none; transition: all .22s; font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #14A87F); color: #fff;
  box-shadow: 0 6px 20px rgba(14,122,95,.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(14,122,95,.4); }
.btn-ghost { background: #fff; color: var(--primary-dark); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-accent { background: linear-gradient(135deg, var(--accent), #D95B4E); color: #fff; box-shadow: 0 6px 20px rgba(193,59,46,.3); }
.btn-accent:hover { transform: translateY(-2px); }

.hero-stats { display: flex; gap: 36px; margin-top: 38px; flex-wrap: wrap; }
.stat-num { font-size: 30px; font-weight: 800; color: var(--primary-dark); }
.stat-num em { font-style: normal; font-size: 15px; color: var(--ink-soft); font-weight: 500; margin-left: 2px; }
.stat-label { font-size: 13px; color: var(--ink-soft); }

/* Hero 右侧：AI对话演示卡 */
.hero-demo {
  background: #fff; border-radius: 20px; box-shadow: var(--shadow-hover);
  border: 1px solid var(--line); overflow: hidden;
}
.hero-demo-head {
  display: flex; align-items: center; gap: 8px; padding: 14px 18px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff; font-size: 14px; font-weight: 600;
}
.hero-demo-head .dots { display: flex; gap: 6px; margin-right: 6px; }
.hero-demo-head .dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.35); }
.hero-demo-body { padding: 20px 18px 22px; display: flex; flex-direction: column; gap: 14px; }
.chat-user {
  align-self: flex-end; background: var(--primary); color: #fff;
  padding: 10px 16px; border-radius: 14px 14px 4px 14px; font-size: 14.5px; max-width: 85%;
}
.chat-ai {
  align-self: flex-start; background: var(--primary-light); color: var(--ink);
  padding: 12px 16px; border-radius: 14px 14px 14px 4px; font-size: 14px; max-width: 92%;
  border: 1px solid #D2EAE3;
}
.chat-ai b { color: var(--primary-dark); }
.chat-ai .hl { color: var(--accent); font-weight: 700; }
.typing { display: inline-flex; gap: 4px; align-items: center; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; } .typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,80%,100% { opacity: .25; } 40% { opacity: 1; } }

/* ---------- 平台 logos ---------- */
.platforms { padding: 34px 0; background: #fff; border-bottom: 1px solid var(--line); }
.platforms-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.platforms-label { font-size: 14px; color: var(--ink-soft); font-weight: 600; }
.platform-list { display: flex; gap: 12px; flex-wrap: wrap; }
.platform-chip {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line);
  font-size: 14px; font-weight: 600; color: var(--ink); background: var(--bg);
  display: flex; align-items: center; gap: 7px;
}
.platform-chip svg { flex: none; }

/* ---------- 痛点对照 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.pain-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; display: flex; gap: 18px; transition: all .25s;
}
.pain-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: #BFE3D9; }
.pain-icon {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; font-size: 21px;
}
.pain-icon.bad { background: var(--accent-light); }
.pain-icon.good { background: var(--primary-light); }
.pain-card h4 { font-size: 17px; margin-bottom: 6px; }
.pain-card p { font-size: 14px; color: var(--ink-soft); }
.pain-card .arrow { color: var(--primary); font-weight: 800; }

/* ---------- 服务卡片 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all .25s; position: relative; overflow: hidden;
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: #BFE3D9; }
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), #14A87F); opacity: 0; transition: opacity .25s;
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--primary-light), #D2EFE7);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--ink-soft); margin-bottom: 14px; }
.service-points { font-size: 13.5px; color: var(--primary-dark); }
.service-points li { padding: 3px 0 3px 22px; position: relative; }
.service-points li::before {
  content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 800;
}
.service-card .hot {
  position: absolute; top: 16px; right: 16px; font-size: 12px; font-weight: 700;
  background: var(--accent); color: #fff; padding: 3px 10px; border-radius: 999px;
}

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.step {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; text-align: center; position: relative;
}
.step-num {
  width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #14A87F); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px;
  box-shadow: 0 4px 12px rgba(14,122,95,.25);
}
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- 报价 ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.price-card {
  background: var(--card); border: 1.5px solid var(--line); border-radius: 18px;
  padding: 34px 28px; display: flex; flex-direction: column; position: relative; transition: all .25s;
}
.price-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.price-card.featured {
  border-color: var(--primary); box-shadow: var(--shadow-hover);
  background: linear-gradient(180deg, #FFFFFF 0%, #F2FAF7 100%);
}
.price-card.featured::before {
  content: "最受欢迎"; position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), #D95B4E); color: #fff;
  font-size: 13px; font-weight: 700; padding: 5px 18px; border-radius: 999px;
  box-shadow: 0 4px 12px rgba(193,59,46,.3);
}
.price-name { font-size: 18px; font-weight: 800; }
.price-for { font-size: 13px; color: var(--ink-soft); margin: 4px 0 18px; }
.price-num { font-size: 38px; font-weight: 800; color: var(--primary-dark); }
.price-num small { font-size: 14px; font-weight: 500; color: var(--ink-soft); }
.price-unit { font-size: 13.5px; color: var(--ink-soft); margin: 2px 0 20px; }
.price-features { flex: 1; font-size: 14px; margin-bottom: 24px; }
.price-features li { padding: 7px 0 7px 26px; position: relative; color: var(--ink); }
.price-features li::before {
  content: "✓"; position: absolute; left: 2px; color: var(--primary); font-weight: 800;
}
.price-features li.na { color: #B9C6C2; }
.price-features li.na::before { content: "—"; color: #B9C6C2; }
.price-card .btn { width: 100%; }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .25s; display: flex; flex-direction: column;
}
.case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.case-banner {
  padding: 22px 24px; color: #fff; font-weight: 700; font-size: 16px;
  display: flex; align-items: center; justify-content: space-between;
}
.case-banner.cb1 { background: linear-gradient(135deg, #0E7A5F, #16B98C); }
.case-banner.cb2 { background: linear-gradient(135deg, #B04A1F, #D97B3E); }
.case-banner.cb3 { background: linear-gradient(135deg, #2C5F8A, #4A88C2); }
.case-tag { font-size: 12px; background: rgba(255,255,255,.22); padding: 3px 10px; border-radius: 999px; font-weight: 500; }
.case-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.case-body h4 { font-size: 17px; margin-bottom: 8px; }
.case-body p { font-size: 13.5px; color: var(--ink-soft); flex: 1; }
.case-data { display: flex; gap: 20px; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }
.case-data-item b { font-size: 22px; color: var(--accent); font-weight: 800; display: block; }
.case-data-item span { font-size: 12px; color: var(--ink-soft); }

/* ---------- 城市覆盖 ---------- */
.city-strip { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.city-chip {
  padding: 9px 20px; border-radius: 999px; background: #fff; border: 1px solid var(--line);
  font-size: 14px; font-weight: 600; color: var(--ink); transition: all .2s; cursor: default;
}
.city-chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.city-chip.major { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  margin-bottom: 14px; overflow: hidden;
}
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; font-size: 16px; font-weight: 600; cursor: pointer;
  background: none; border: none; font-family: inherit; color: var(--ink); text-align: left;
}
.faq-q .faq-icon { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 800; transition: transform .25s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 22px 20px; font-size: 14.5px; color: var(--ink-soft); }
.faq-item.open .faq-a { max-height: 400px; }

/* ---------- CTA ---------- */
.cta-band {
  background:
    radial-gradient(700px 300px at 15% 20%, rgba(20,168,127,.25), transparent 60%),
    linear-gradient(135deg, #0A5C48 0%, #0E7A5F 55%, #14A87F 100%);
  border-radius: 24px; color: #fff; text-align: center;
  padding: 64px 40px; position: relative; overflow: hidden;
}
.cta-band::before, .cta-band::after {
  content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,.14);
}
.cta-band::before { width: 300px; height: 300px; top: -120px; right: -80px; }
.cta-band::after { width: 200px; height: 200px; bottom: -90px; left: -50px; }
.cta-band h2 { font-size: 32px; font-weight: 800; margin-bottom: 14px; position: relative; z-index: 1; }
.cta-band p { font-size: 16px; opacity: .88; margin-bottom: 30px; position: relative; z-index: 1; }
.cta-band .btn { position: relative; z-index: 1; }
.cta-band .btn-white { background: #fff; color: var(--primary-dark); }
.cta-band .btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.18); }

/* ---------- 页脚 ---------- */
.footer { background: #0C2620; color: #B8CDC7; padding: 60px 0 26px; margin-top: 84px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 44px; }
.footer .logo { color: #fff; margin-bottom: 16px; }
.footer-desc { font-size: 13.5px; line-height: 1.8; opacity: .8; max-width: 320px; }
.footer h5 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13.5px; opacity: .75; transition: all .2s; }
.footer-links a:hover { opacity: 1; color: #16E0AC; }
.footer-contact li { font-size: 13.5px; margin-bottom: 12px; display: flex; gap: 8px; align-items: flex-start; opacity: .85; }
.footer-contact svg { flex: none; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px;
  display: flex; justify-content: space-between; font-size: 12.5px; opacity: .55; flex-wrap: wrap; gap: 8px;
}

/* ============================================================
   知识库增强（v2）
   ============================================================ */

/* 数据速览条 */
.kb-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: -18px; }
.kb-stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 16px; text-align: center; box-shadow: var(--shadow);
}
.kb-stat b { display: block; font-size: 26px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.kb-stat b em { font-style: normal; font-size: 15px; margin-left: 2px; }
.kb-stat span { display: block; font-size: 12.5px; color: var(--ink-soft); margin-top: 6px; line-height: 1.5; }
.kb-stat small { display: block; font-size: 11px; color: #9AACAA; margin-top: 4px; }

/* 分类筛选 */
.kb-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; margin-bottom: 26px;
}
.kb-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.kb-filter {
  border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  padding: 8px 18px; border-radius: 999px; font-size: 14px; cursor: pointer;
  transition: all .2s; font-family: inherit;
}
.kb-filter:hover { border-color: var(--primary); color: var(--primary); }
.kb-filter.on { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.kb-count { font-size: 13px; color: var(--ink-soft); }

/* 两栏布局 */
.kb-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }

/* 精选大卡 */
.kb-featured {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 0;
  background: linear-gradient(135deg, #0E7A5F 0%, #0A5C48 100%);
  border-radius: 18px; overflow: hidden; margin-bottom: 26px; color: #fff;
}
.kb-featured-text { padding: 38px 40px; }
.kb-featured-text .fp-tag {
  display: inline-block; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28);
  padding: 5px 14px; border-radius: 999px; font-size: 12.5px; margin-bottom: 16px;
}
.kb-featured-text h3 { font-size: 26px; font-weight: 800; line-height: 1.45; margin-bottom: 12px; }
.kb-featured-text h3 a:hover { color: #7FF0CE; }
.kb-featured-text p { font-size: 14.5px; opacity: .86; margin-bottom: 18px; line-height: 1.8; }
.kb-featured-text .fp-meta { font-size: 12.5px; opacity: .7; margin-bottom: 20px; }
.kb-featured-text .fp-btn {
  display: inline-block; background: #fff; color: var(--primary-dark);
  padding: 10px 24px; border-radius: 10px; font-weight: 700; font-size: 14.5px;
}
.kb-featured-text .fp-btn:hover { background: #16E0AC; }
.kb-featured-art {
  display: flex; align-items: center; justify-content: center; font-size: 84px;
  background: rgba(255,255,255,.06); position: relative;
}
.kb-featured-art::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(240px 240px at 50% 50%, rgba(22,224,172,.22), transparent 70%);
}

/* 文章卡片增强 */
.kb-card { position: relative; }
.kb-card .kb-cover { position: relative; }
.kb-card .kb-tag {
  position: absolute; top: 12px; left: 12px; background: rgba(255,255,255,.92);
  color: var(--primary-dark); font-size: 11.5px; font-weight: 700;
  padding: 4px 10px; border-radius: 6px;
}
.kb-card .kb-hot {
  position: absolute; top: 12px; right: 12px; background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 6px;
}
.kb-cover.k5 { background: linear-gradient(135deg, #E9F0FA, #D3E2F2); }
.kb-cover.k6 { background: linear-gradient(135deg, #F3EAF8, #E4D6EE); }
.kb-cover.k7 { background: linear-gradient(135deg, #EAF6EE, #D6EBDD); }
.kb-cover.k8 { background: linear-gradient(135deg, #FDF0E4, #F7E3C8); }
.kb-cover.k9 { background: linear-gradient(135deg, #EEF1F6, #DCE2EC); }
.kb-cover.k10 { background: linear-gradient(135deg, #F6EEE3, #EADCC4); }
.kb-read { display: inline-flex; align-items: center; gap: 4px; }

/* 侧边栏 */
.kb-side { position: sticky; top: 92px; display: flex; flex-direction: column; gap: 18px; }
.kb-side-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px;
  box-shadow: var(--shadow);
}
.kb-side-card h5 { font-size: 15px; margin-bottom: 14px; display: flex; align-items: center; gap: 7px; }
.kb-side-card h5::before {
  content: ""; width: 3px; height: 15px; background: var(--primary); border-radius: 2px;
}
.kb-hot-list li { border-bottom: 1px dashed var(--line); padding: 9px 0; font-size: 13.5px; }
.kb-hot-list li:last-child { border-bottom: none; }
.kb-hot-list li a { display: flex; gap: 9px; }
.kb-hot-list .rn {
  flex: none; width: 19px; height: 19px; border-radius: 5px; background: var(--primary-light);
  color: var(--primary-dark); font-size: 11.5px; font-weight: 800; text-align: center; line-height: 19px;
}
.kb-hot-list li:nth-child(1) .rn, .kb-hot-list li:nth-child(2) .rn, .kb-hot-list li:nth-child(3) .rn {
  background: var(--accent); color: #fff;
}
.kb-hot-list li a:hover { color: var(--primary); }
.kb-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.kb-tag2 {
  background: var(--bg); border: 1px solid var(--line); color: var(--ink-soft);
  font-size: 12.5px; padding: 6px 12px; border-radius: 8px;
}
.kb-tag2:hover { background: var(--primary-light); color: var(--primary-dark); border-color: #C8E6DC; }
.kb-side-cta { background: linear-gradient(135deg, #0E7A5F, #0A5C48); color: #fff; border: none; }
.kb-side-cta h5 { color: #fff; }
.kb-side-cta h5::before { background: #16E0AC; }
.kb-side-cta p { font-size: 13.5px; opacity: .88; margin-bottom: 16px; }
.kb-side-cta .btn-white { background: #fff; color: var(--primary-dark); display: block; text-align: center; }
.kb-side-cta .btn-white:hover { background: #16E0AC; }

/* ============================================================
   文章页排版增强
   ============================================================ */
.article-lead {
  background: var(--primary-light); border-left: 4px solid var(--primary);
  padding: 16px 20px; border-radius: 0 10px 10px 0; font-size: 15px; color: var(--primary-dark);
  margin-bottom: 26px; line-height: 1.8;
}
.article-body .data-table { width: 100%; border-collapse: collapse; margin: 18px 0 22px; font-size: 14px; }
.article-body .data-table th {
  background: var(--primary-light); color: var(--primary-dark); font-weight: 700;
  text-align: left; padding: 11px 14px; border: 1px solid var(--line); white-space: nowrap;
}
.article-body .data-table td { padding: 11px 14px; border: 1px solid var(--line); vertical-align: top; }
.article-body .data-table tr:nth-child(even) td { background: #FAFDFC; }
.article-body .src-note {
  font-size: 12.5px; color: var(--ink-soft); background: #F7FAF9; border: 1px dashed var(--line);
  padding: 12px 16px; border-radius: 10px; margin: 14px 0 22px; line-height: 1.75;
}
.article-body .src-note b { color: var(--primary-dark); }
.article-body .key-num {
  display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 24px;
}
.article-body .key-num div {
  flex: 1; min-width: 130px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 14px; text-align: center;
}
.article-body .key-num b { display: block; font-size: 23px; color: var(--accent); font-weight: 800; }
.article-body .key-num span { font-size: 12px; color: var(--ink-soft); }
.article-body .case-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; margin-bottom: 16px;
  background: #fff;
}
.article-body .case-card h4 { font-size: 17px; margin-bottom: 4px; }
.article-body .case-card .cc-sub { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 12px; }
.article-body .case-card .cc-nums { display: flex; flex-wrap: wrap; gap: 18px; margin: 10px 0; }
.article-body .case-card .cc-nums div { font-size: 13px; }
.article-body .case-card .cc-nums b { color: var(--primary); font-size: 18px; font-weight: 800; margin-right: 4px; }
.article-body .case-card .cc-take { font-size: 13.5px; background: var(--primary-light); color: var(--primary-dark); padding: 10px 14px; border-radius: 8px; }
.article-body .quote-box {
  border: 1px solid var(--line); border-left: 4px solid var(--accent); background: #fff;
  padding: 16px 20px; border-radius: 0 10px 10px 0; margin: 18px 0; font-size: 14.5px; line-height: 1.85;
}
.article-body .warn-box {
  border: 1px solid #F3D4CF; background: var(--accent-light); border-left: 4px solid var(--accent);
  padding: 16px 20px; border-radius: 0 10px 10px 0; margin: 18px 0; font-size: 14.5px; line-height: 1.85;
  color: #8A2D23;
}
.article-body .ok-box {
  border: 1px solid #CDE7DF; background: var(--primary-light); border-left: 4px solid var(--primary);
  padding: 16px 20px; border-radius: 0 10px 10px 0; margin: 18px 0; font-size: 14.5px; line-height: 1.85;
  color: var(--primary-dark);
}
.article-toc {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; margin-bottom: 28px;
}
.article-toc h5 { font-size: 14px; margin-bottom: 10px; color: var(--ink); }
.article-toc ol { padding-left: 20px; font-size: 13.5px; }
.article-toc li { padding: 3px 0; }
.article-toc a { color: var(--ink-soft); }
.article-toc a:hover { color: var(--primary); }
.article-related { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.article-related h4 { font-size: 18px; margin-bottom: 16px; }
.article-related ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.article-related li a {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 18px; font-size: 14px; transition: all .2s;
}
.article-related li a:hover { border-color: var(--primary); color: var(--primary); transform: translateX(3px); }

/* ============================================================
   新版页脚（v2）
   ============================================================ */
.footer {
  background: #0A211C; color: #A9C2BB; padding: 0 0 0; margin-top: 90px;
  position: relative; overflow: hidden;
}
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #0E7A5F 0%, #16E0AC 30%, #C13B2E 62%, #B8860B 100%);
}
.footer::after {
  content: ""; position: absolute; top: -140px; right: -160px; width: 480px; height: 480px;
  border-radius: 50%; background: radial-gradient(circle, rgba(22,224,172,.09), transparent 70%);
  pointer-events: none;
}
.footer .container { position: relative; z-index: 1; }

.ft-top {
  display: grid; grid-template-columns: 1.5fr 2fr 1.15fr; gap: 46px;
  padding: 54px 0 40px;
}
.ft-brand .logo { color: #fff; }
.ft-brand .footer-desc { max-width: 330px; opacity: .72; }
.ft-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.ft-badge {
  font-size: 11.5px; padding: 5px 11px; border-radius: 6px;
  background: rgba(22,224,172,.1); border: 1px solid rgba(22,224,172,.26); color: #7FE7C4;
}
.ft-social { display: flex; gap: 10px; margin-top: 20px; }
.ft-soc {
  width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.ft-soc:hover { background: var(--primary); border-color: var(--primary); }
.ft-soc svg { width: 18px; height: 18px; }

.ft-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.ft-col h5 { color: #fff; font-size: 14.5px; margin-bottom: 16px; letter-spacing: .3px; }
.ft-col .footer-links li { margin-bottom: 9px; }
.ft-col .footer-links a { opacity: .68; }
.ft-col .footer-links a:hover { opacity: 1; color: #16E0AC; }

.ft-contact-card {
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px; padding: 24px 22px;
}
.ft-contact-card h5 { color: #fff; font-size: 14.5px; margin-bottom: 14px; }
.ft-tel {
  display: block; font-size: 23px; font-weight: 800; color: #16E0AC; letter-spacing: .5px;
  margin-bottom: 4px;
}
.ft-tel:hover { color: #7FF0CE; }
.ft-tel-note { font-size: 12px; opacity: .6; margin-bottom: 16px; }
.ft-contact-card .footer-contact li { font-size: 12.8px; margin-bottom: 10px; opacity: .78; }
.ft-btn {
  display: block; text-align: center; margin-top: 16px; padding: 11px 0; border-radius: 10px;
  background: linear-gradient(135deg, #16E0AC, #0E7A5F); color: #fff; font-weight: 700; font-size: 14px;
}
.ft-btn:hover { filter: brightness(1.08); }

.ft-promise {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  padding: 20px 0; border-top: 1px solid rgba(255,255,255,.09); border-bottom: 1px solid rgba(255,255,255,.09);
}
.ft-promise span {
  font-size: 13px; color: #CFE3DC; display: flex; align-items: center; gap: 8px; line-height: 1.5;
}
.ft-promise span::before {
  content: ""; flex: none; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(22,224,172,.16);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316E0AC' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 11px; background-position: center; background-repeat: no-repeat;
}

.footer-bottom { opacity: 1; padding: 22px 0 30px; border-top: none; display: block; }
.fb-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.fb-main { margin-bottom: 12px; }
.fb-copy { font-size: 13px; color: #8FA9A2; }
.fb-links { font-size: 13px; }
.fb-links a { color: #A9C2BB; opacity: .8; transition: all .2s; }
.fb-links a:hover { opacity: 1; color: #16E0AC; }
.fb-links i { font-style: normal; opacity: .3; margin: 0 9px; }
.fb-legal {
  font-size: 12.5px; color: #6E8B84; gap: 18px; padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,.07); margin-bottom: 14px;
}
.fb-legal span { display: inline-flex; align-items: center; gap: 6px; }
.fb-legal span::before {
  content: ""; width: 4px; height: 4px; border-radius: 50%; background: rgba(22,224,172,.5);
}
.fb-note {
  font-size: 11.5px; line-height: 1.8; color: #5C7770; max-width: 100%;
  background: rgba(255,255,255,.025); border-radius: 10px; padding: 12px 16px;
}
.fb-note b { color: #7FE7C4; font-weight: 600; }

@media (max-width: 1024px) {
  .kb-stats { grid-template-columns: repeat(3, 1fr); }
  .kb-layout { grid-template-columns: 1fr; }
  .kb-side { position: static; }
  .ft-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ft-brand { grid-column: 1 / -1; }
  .ft-promise { grid-template-columns: 1fr 1fr; }
  .article-related ul { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .kb-stats { grid-template-columns: repeat(2, 1fr); }
  .kb-featured { grid-template-columns: 1fr; }
  .kb-featured-text { padding: 28px 24px; }
  .kb-featured-text h3 { font-size: 21px; }
  .kb-featured-art { display: none; }
  .ft-top { grid-template-columns: 1fr; padding: 38px 0 30px; }
  .ft-links { grid-template-columns: 1fr 1fr; }
  .ft-promise { grid-template-columns: 1fr; gap: 10px; }
  .fb-row { justify-content: center; text-align: center; }
}

/* ---------- 页面小标题 ---------- */
.page-hero {
  background:
    radial-gradient(900px 380px at 80% -20%, rgba(20,168,127,.16), transparent 65%),
    linear-gradient(180deg, #EFF8F4 0%, var(--bg) 100%);
  padding: 70px 0 56px; text-align: center;
}
.page-hero h1 { font-size: 38px; font-weight: 800; }
.page-hero p { color: var(--ink-soft); margin-top: 14px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* 面包屑 */
.crumbs { font-size: 13px; color: var(--ink-soft); padding: 18px 0 0; }
.crumbs a:hover { color: var(--primary); }

/* ---------- 诊断表单 ---------- */
.diag-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.diag-form-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 34px; box-shadow: var(--shadow);
}
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-row label em { color: var(--accent); font-style: normal; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 15px; font-family: inherit; background: var(--bg); color: var(--ink);
  transition: border .2s, box-shadow .2s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14,122,95,.12); background: #fff;
}
.form-hint { font-size: 12.5px; color: var(--ink-soft); margin-top: 6px; }
.form-submit { width: 100%; margin-top: 6px; font-size: 16.5px; padding: 14px; }

/* 诊断结果展示 */
.diag-result {
  background: #fff; border: 1.5px solid var(--line); border-radius: 18px;
  padding: 34px; position: sticky; top: 92px;
}
.diag-result h3 { font-size: 18px; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.diag-score-ring {
  width: 120px; height: 120px; margin: 18px auto 10px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  background: conic-gradient(var(--primary) 0deg, #E2ECE9 0deg);
  position: relative;
}
.diag-score-ring::before { content: ""; position: absolute; inset: 10px; background: #fff; border-radius: 50%; }
.diag-score-val { position: relative; z-index: 1; font-size: 30px; font-weight: 800; color: var(--primary-dark); }
.diag-score-label { position: relative; z-index: 1; font-size: 12px; color: var(--ink-soft); }
.diag-dims { margin: 18px 0 8px; }
.diag-dim { margin-bottom: 13px; }
.diag-dim-head { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 5px; }
.diag-dim-head b { font-weight: 600; }
.diag-dim-head span { color: var(--ink-soft); }
.diag-bar { height: 8px; border-radius: 99px; background: #EDF3F1; overflow: hidden; }
.diag-bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--primary), #16B98C); width: 0; transition: width 1s ease; }
.diag-bar i.low { background: linear-gradient(90deg, var(--accent), #E08074); }
.diag-note { font-size: 12.5px; color: var(--ink-soft); text-align: center; margin-top: 14px; line-height: 1.6; }

/* ---------- 文章/知识库 ---------- */
.kb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.kb-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .25s; display: flex; flex-direction: column;
}
.kb-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.kb-cover { height: 150px; display: flex; align-items: center; justify-content: center; font-size: 44px; }
.kb-cover.k1 { background: linear-gradient(135deg, #E6F4F0, #CDEBE2); }
.kb-cover.k2 { background: linear-gradient(135deg, #FBEAE8, #F6D9D4); }
.kb-cover.k3 { background: linear-gradient(135deg, #EAF1F8, #D6E4F0); }
.kb-cover.k4 { background: linear-gradient(135deg, #F5EFE3, #EDE2C8); }
.kb-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.kb-meta { font-size: 12px; color: var(--ink-soft); margin-bottom: 10px; display: flex; gap: 12px; }
.kb-body h4 { font-size: 17px; margin-bottom: 10px; line-height: 1.5; }
.kb-body h4 a:hover { color: var(--primary); }
.kb-body p { font-size: 13.5px; color: var(--ink-soft); flex: 1; }
.kb-read { font-size: 13.5px; font-weight: 600; color: var(--primary); margin-top: 14px; }

/* 文章详情 */
.article-wrap { max-width: 820px; margin: 0 auto; }
.article-head { text-align: center; margin-bottom: 36px; }
.article-head h1 { font-size: 32px; font-weight: 800; line-height: 1.4; }
.article-meta { font-size: 13px; color: var(--ink-soft); margin-top: 14px; }
.article-body { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 44px 46px; font-size: 15.5px; }
.article-body h2 { font-size: 22px; margin: 36px 0 14px; padding-left: 14px; border-left: 4px solid var(--primary); }
.article-body h3 { font-size: 18px; margin: 26px 0 10px; }
.article-body p { margin-bottom: 14px; color: #2A3F39; }
.article-body ul { margin: 0 0 16px 4px; }
.article-body li { padding: 5px 0 5px 24px; position: relative; color: #2A3F39; }
.article-body li::before { content: "◆"; position: absolute; left: 0; font-size: 10px; color: var(--primary); top: 11px; }
.article-body blockquote {
  background: var(--primary-light); border-left: 4px solid var(--primary);
  padding: 16px 20px; border-radius: 0 10px 10px 0; margin: 18px 0; font-size: 14.5px; color: var(--primary-dark);
}
.article-body table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.article-body th { background: var(--primary); color: #fff; padding: 10px 12px; text-align: left; }
.article-body td { border: 1px solid var(--line); padding: 9px 12px; }
.article-body tr:nth-child(even) td { background: #F5FAF8; }
.article-nav { display: flex; justify-content: space-between; margin-top: 28px; gap: 14px; }
.article-nav a {
  flex: 1; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 20px; font-size: 14px; transition: all .2s;
}
.article-nav a:hover { border-color: var(--primary); color: var(--primary); }
.article-nav .next { text-align: right; }

/* ---------- 关于页 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-card-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 50px; }
.about-mini {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 18px; text-align: center;
}
.about-mini b { font-size: 26px; color: var(--primary-dark); display: block; }
.about-mini span { font-size: 13px; color: var(--ink-soft); }

.value-list li {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 20px; margin-bottom: 12px; display: flex; gap: 14px; align-items: flex-start; font-size: 14.5px;
}
.value-list .v-ico { flex: none; font-size: 20px; }
.value-list b { display: block; margin-bottom: 3px; }
.value-list p { color: var(--ink-soft); font-size: 13.5px; }

/* ---------- 案例/服务详情页通用 ---------- */
.detail-hero-info { max-width: 760px; margin: 0 auto; }
.svc-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.svc-detail-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.svc-detail-card h4 { font-size: 17px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.svc-detail-card p { font-size: 14px; color: var(--ink-soft); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(80px);
  background: #0C2620; color: #fff; padding: 13px 26px; border-radius: 12px;
  font-size: 14.5px; z-index: 999; opacity: 0; transition: all .35s; pointer-events: none;
  box-shadow: 0 10px 30px rgba(0,0,0,.25); max-width: 86vw; text-align: center;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ---------- 悬浮咨询 ---------- */
.float-cta {
  position: fixed; right: 22px; bottom: 26px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px; align-items: center;
}
.float-btn {
  width: 56px; height: 56px; border-radius: 50%; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(14,122,95,.35); transition: transform .2s;
  position: relative;
}
.float-btn:hover { transform: scale(1.08); }
.float-btn.wechat { background: #07C160; }
.float-btn.top { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.float-btn .tip {
  position: absolute; right: 66px; top: 50%; transform: translateY(-50%);
  background: #0C2620; color: #fff; font-size: 12.5px; padding: 7px 14px; border-radius: 8px;
  white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s;
}
.float-btn:hover .tip { opacity: 1; }
.float-btn .qr-pop {
  position: absolute; right: 70px; bottom: 0; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 14px; width: 190px; text-align: center;
  box-shadow: var(--shadow-hover); display: none; font-size: 12.5px; color: var(--ink-soft);
}
.float-btn.wechat:hover .qr-pop { display: block; }
.qr-fake {
  width: 160px; height: 160px; margin: 0 auto 8px; border-radius: 10px;
  background:
    repeating-linear-gradient(0deg, #0C2620 0 8px, transparent 8px 16px),
    repeating-linear-gradient(90deg, #0C2620 0 8px, #fff 8px 16px);
  background-blend-mode: exclusion;
  opacity: .82;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding: 60px 0 70px; }
  .hero h1 { font-size: 40px; }
  .service-grid, .kb-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .pain-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .diag-wrap { grid-template-columns: 1fr; }
  .diag-result { position: static; }
  .about-grid { grid-template-columns: 1fr; }
  .about-card-row { grid-template-columns: repeat(2, 1fr); }
  .svc-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .menu-btn { display: block; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .hero { padding: 44px 0 60px; }
  .hero h1 { font-size: 30px; }
  .hero-desc { font-size: 15px; }
  .hero-stats { gap: 22px; }
  .stat-num { font-size: 24px; }
  .service-grid, .kb-grid, .case-grid, .steps { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 27px; }
  .article-body { padding: 28px 22px; }
  .article-head h1 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-band { padding: 46px 22px; border-radius: 18px; }
  .cta-band h2 { font-size: 24px; }
  .diag-form-card, .diag-result { padding: 24px 18px; }
  .btn { padding: 12px 24px; font-size: 15px; }
  .float-cta { right: 14px; bottom: 16px; }
  .float-btn { width: 48px; height: 48px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* ============================================================
   城市切换模块（顶部导航）
   ============================================================ */
/* ---------- 顶部信息条（城市切换 / slogan / 登录注册 / 会员中心 / 热线） ---------- */
.topline {
  background: linear-gradient(90deg, #093F31 0%, var(--primary-dark) 45%, #0E7A5F 100%);
  color: #E8F5F1; font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.topline-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 44px; gap: 20px;
}
.tp-left { display: flex; align-items: center; gap: 18px; min-width: 0; }
.tp-slogan {
  font-size: 13px; color: rgba(255,255,255,.82); letter-spacing: .3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tp-right { display: flex; align-items: center; gap: 12px; flex: none; }
.tp-link { color: rgba(255,255,255,.92); font-size: 13px; transition: color .2s; }
.tp-link:hover { color: #16E0AC; }
.tp-link i { font-style: normal; opacity: .5; margin: 0 1px; }
.tp-sep { color: rgba(255,255,255,.28); font-size: 12px; }
.tp-hotline { font-size: 13px; color: rgba(255,255,255,.82); }
.tp-hotline b { color: #fff; font-weight: 800; letter-spacing: .6px; margin-left: 4px; }

.city-switch { position: relative; flex: none; }
.city-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; color: var(--ink); border: none; cursor: pointer;
  padding: 5px 14px 5px 6px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600; font-family: inherit;
  box-shadow: 0 2px 10px rgba(0,0,0,.18);
  transition: box-shadow .2s, transform .2s;
}
.city-btn:hover { box-shadow: 0 5px 14px rgba(0,0,0,.26); transform: translateY(-1px); }
.city-pin {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
}
.city-name { font-weight: 700; letter-spacing: .5px; color: var(--ink); }
.city-arrow { transition: transform .25s; }
.city-switch.open .city-arrow { transform: rotate(180deg); }
.city-label { font-weight: 500; color: #7A8A85; }

.city-panel {
  position: absolute; top: calc(100% + 12px); left: 0; z-index: 200;
  width: 420px; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; box-shadow: 0 16px 48px rgba(14,122,95,.18);
  padding: 18px 18px 14px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all .22s ease;
}
.city-switch.open .city-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.city-panel::before {
  content: ""; position: absolute; top: -7px; left: 34px;
  width: 14px; height: 14px; background: #fff;
  border-left: 1px solid var(--line); border-top: 1px solid var(--line);
  transform: rotate(45deg);
}
.city-panel-head { margin-bottom: 12px; }
.city-panel-head b { display: block; font-size: 15px; color: var(--ink); }
.city-panel-head span { font-size: 12.5px; color: var(--ink-soft); }
.city-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px;
}
.city-cell {
  border: 1px solid var(--line); background: #FAFCFB; color: var(--ink-soft);
  border-radius: 9px; padding: 8px 4px; font-size: 13.5px; cursor: pointer;
  font-family: inherit; transition: all .16s;
}
.city-cell:hover {
  background: var(--primary-light); color: var(--primary-dark);
  border-color: var(--primary); font-weight: 600;
}
.city-cell.cur {
  background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 700;
}
.city-panel-foot {
  margin-top: 12px; padding-top: 11px; border-top: 1px dashed var(--line);
  font-size: 12.5px; color: var(--ink-soft);
}
.city-panel-foot a { color: var(--primary); font-weight: 600; }

/* ============================================================
   右侧悬浮客服模块（绿白配色）
   ============================================================ */
.fsvc {
  position: fixed; right: 20px; bottom: 26px; z-index: 120;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  width: 84px;
}

/* 头像区 */
.fsvc-head { display: flex; flex-direction: column; align-items: center; }
.fsvc-avatar {
  position: relative; width: 62px; height: 62px; border-radius: 50%;
  background: #fff; box-shadow: 0 6px 20px rgba(14,122,95,.22);
  display: flex; align-items: center; justify-content: center;
}
.fsvc-avatar svg { width: 30px; height: 30px; position: relative; z-index: 1; }
.fsvc-ring {
  position: absolute; inset: -5px; border-radius: 50%;
  border: 2px dashed var(--primary); opacity: .55;
  animation: fsvcSpin 14s linear infinite;
}
@keyframes fsvcSpin { to { transform: rotate(360deg); } }
.fsvc-name {
  margin-top: 7px; font-size: 13px; font-weight: 800; color: var(--primary);
  text-shadow: 0 1px 3px rgba(255,255,255,.9);
}
.fsvc-desc {
  font-size: 10px; color: var(--ink-soft); line-height: 1.3; text-align: center;
  text-shadow: 0 1px 3px rgba(255,255,255,.9);
}

/* 诚邀合作 */
.fsvc-invite {
  display: block; width: 100%; text-align: center;
  background: linear-gradient(135deg, var(--primary) 0%, #14A87F 100%);
  color: #fff; font-size: 13px; font-weight: 700;
  padding: 7px 0; border-radius: 999px;
  box-shadow: 0 5px 16px rgba(14,122,95,.34);
  transition: transform .2s, box-shadow .2s;
}
.fsvc-invite:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(14,122,95,.44); }

/* 功能卡片 */
.fsvc-card {
  width: 100%; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; box-shadow: 0 8px 28px rgba(14,122,95,.14);
  overflow: hidden;
}
.fsvc-item {
  position: relative; width: 100%; border: none; background: none;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 11px 4px 10px; cursor: pointer; font-family: inherit;
  border-bottom: 1px solid var(--line); transition: background .18s;
}
.fsvc-item:last-child { border-bottom: none; }
.fsvc-item:hover { background: var(--primary-light); }
.fsvc-item svg { width: 21px; height: 21px; }
.fsvc-item span { font-size: 11.5px; color: var(--ink); font-weight: 600; }

/* 二维码弹层 */
.fsvc-qr {
  position: absolute; right: 92px; bottom: -10px;
  width: 178px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 12px; text-align: center;
  box-shadow: 0 12px 34px rgba(14,122,95,.22);
  opacity: 0; visibility: hidden; transform: translateX(8px);
  transition: all .22s ease;
}
.fsvc-item[data-act="wechat"]:hover .fsvc-qr { opacity: 1; visibility: visible; transform: translateX(0); }
.fsvc-qr img { width: 150px; height: 150px; border-radius: 10px; margin: 0 auto 7px; }
.fsvc-qr b { display: block; font-size: 12.5px; color: var(--ink); }
.fsvc-qr i { font-size: 11px; color: var(--ink-soft); font-style: normal; }

/* 回到顶部 */
.fsvc-top {
  width: 42px; height: 42px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 5px 16px rgba(14,122,95,.18); transition: transform .2s;
}
.fsvc-top:hover { transform: translateY(-3px); }

/* 页脚联系卡 - 手机与二维码 */
.ft-mobile {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 9px; padding: 6px 12px; border-radius: 8px;
  background: rgba(22,224,172,.1); border: 1px solid rgba(22,224,172,.28);
  color: #BDF0E0; font-size: 13.5px; font-weight: 600; transition: background .2s;
}
.ft-mobile:hover { background: rgba(22,224,172,.2); }
.ft-qr {
  display: flex; align-items: center; gap: 11px;
  margin-top: 14px; padding: 10px; border-radius: 12px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
}
.ft-qr img { width: 78px; height: 78px; border-radius: 9px; background: #fff; padding: 3px; }
.ft-qr span { font-size: 12px; color: #C6E8DE; line-height: 1.5; }
.ft-qr span i { font-style: normal; opacity: .75; font-size: 11px; }

@media (max-width: 1180px) {
  .city-panel { width: 360px; }
  .city-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1024px) {
  .city-label { display: none; }
  .city-panel { width: 320px; }
}
@media (max-width: 768px) {
  .city-switch { margin-left: 0; }
  .city-btn { padding: 6px 12px 6px 9px; font-size: 13px; }
  .city-panel { width: min(88vw, 320px); left: -8px; }
  .city-grid { grid-template-columns: repeat(3, 1fr); }
  .fsvc { right: 10px; bottom: 14px; width: 66px; gap: 8px; }
  .fsvc-avatar { width: 50px; height: 50px; }
  .fsvc-avatar svg { width: 25px; height: 25px; }
  .fsvc-name { font-size: 12px; }
  .fsvc-desc { display: none; }
  .fsvc-invite { font-size: 12px; padding: 6px 0; }
  .fsvc-item { padding: 8px 2px 7px; }
  .fsvc-item svg { width: 18px; height: 18px; }
  .fsvc-item span { font-size: 10.5px; }
  .fsvc-top { width: 36px; height: 36px; }
  .fsvc-qr { right: 76px; width: 156px; }
  .fsvc-qr img { width: 130px; height: 130px; }
}

/* ============================================================
   首页「城市合伙人」入口条
   ============================================================ */
.pt-kicker {
  display:inline-flex; align-items:center; gap:8px; background:#fff; border:1px solid var(--line);
  color: var(--primary-dark); font-size:13px; font-weight:700; padding:6px 15px; border-radius:999px;
  box-shadow: var(--shadow);
}
.pt-kicker i { width:7px; height:7px; border-radius:50%; background:var(--primary); font-style:normal; }
.pt-band {
  display:grid; grid-template-columns: 1.25fr .75fr; gap:40px; align-items:center;
  background: linear-gradient(135deg, #F1F9F6 0%, #E4F3EE 100%);
  border:1px solid #CFE7E0; border-radius:20px; padding:44px 42px;
}
.pt-band-left h2 { font-size:28px; font-weight:800; line-height:1.35; margin:16px 0 12px; }
.pt-band-left p { font-size:15px; color:var(--ink-soft); max-width:620px; }
.pt-band-left p b { color:var(--primary-dark); }
.pt-band-tags { display:flex; flex-wrap:wrap; gap:9px; margin-top:18px; }
.pt-band-tags span {
  background:#fff; border:1px solid #CFE7E0; color:var(--primary-dark);
  font-size:13px; font-weight:600; padding:6px 14px; border-radius:999px;
}
.pt-band-right { display:flex; flex-direction:column; gap:14px; }
.pt-band-num { background:#fff; border:1px solid #CFE7E0; border-radius:14px; padding:14px 18px; }
.pt-band-num b { display:block; font-size:21px; font-weight:800; color:var(--primary-dark); letter-spacing:.5px; }
.pt-band-num span { font-size:12.5px; color:var(--ink-soft); }
@media (max-width:1024px){ .pt-band{grid-template-columns:1fr; gap:28px;} }
@media (max-width:768px){
  .pt-band{padding:28px 22px;}
  .pt-band-left h2{font-size:22px;}
  .pt-band-num b{font-size:18px;}
}

/* ---------- 导航项增多后的断点微调（含城市切换 + 合伙人入口） ---------- */
@media (max-width: 1400px) {
  .nav { gap: 18px; font-size: 14.5px; }
  .topbar-inner { height: 64px; }
}
@media (max-width: 1280px) {
  .nav { gap: 12px; font-size: 14px; }
  .nav-cta { padding: 7px 14px; font-size: 13.5px; }
  .logo { font-size: 19px; }
  .logo-mark { width: 34px; height: 34px; font-size: 14px; }
}
@media (max-width: 1180px) {
  .nav { display: none; }
  .menu-btn { display: block; }
}

/* ---------- 顶部信息条响应式 ---------- */
@media (max-width: 1080px) {
  .tp-slogan { display: none; }
}
@media (max-width: 900px) {
  .tp-hotline { display: none; }
  .tp-right .tp-sep:last-of-type { display: none; }
}
@media (max-width: 768px) {
  .topline-inner { height: 40px; gap: 10px; }
  .city-btn { padding: 4px 10px 4px 5px; font-size: 12.5px; }
  .city-pin { width: 18px; height: 18px; }
  .city-label { display: none; }
  .tp-right { gap: 9px; }
  .tp-link { font-size: 12.5px; }
  .tp-sep { font-size: 11px; }
}
@media (max-width: 420px) {
  .tp-link:first-child { display: none; }
  .tp-right .tp-sep:first-of-type { display: none; }
}