/* ============================================================
   订阅云 Dingyue Cloud — 官方网站设计系统
   移动优先 / 响应式 H5 静态站点 · 共享样式
   视觉语言：稳重报刊红(Brand) + 人民金(Amber) + 深青(Teal)
   字体：衬线标题(编辑感) + 无衬线正文(SaaS 清晰感)
   ============================================================ */

:root {
  /* 品牌色 —— 稳重报刊红（中国报刊红）+ 人民金（香槟金） */
  --ink:        #1A1A1A;   /* 近黑，深背景/页脚 */
  --brand:      #A30009;   /* 稳重报刊红·升级版，主品牌色（更深沉、厚重、权威） */
  --brand-deep: #7A0006;   /* 深红，渐变/悬停 */
  --amber:      #C5AB7E;   /* 人民金，高端点缀（香槟金分隔线 / 强调按钮） */
  --amber-deep: #A8895A;
  --brand-soft: #FBECEC;   /* 品牌红极浅底，图标/标签衬底 */
  --teal:       #2E7D6B;   /* 深青，仅保留作数据"增长"语义色 */
  --teal-soft:  #E3F1ED;

  /* 中性色 */
  --bg:         #FFFFFF;
  --bg-soft:    #F5F7FA;
  --bg-soft-2:  #EEF2F7;
  --border:     #E4E9F0;
  --text:       #1A2433;
  --muted:      #64748B;
  --muted-2:    #94A3B8;

  /* 圆角 & 阴影 */
  --r-lg: 20px;
  --r:    14px;
  --r-sm: 10px;
  --shadow:    0 12px 34px rgba(20,32,56,.10);
  --shadow-sm: 0 4px 14px rgba(20,32,56,.06);
  --shadow-brand: 0 10px 28px rgba(163,0,9,.24);

  /* 布局 */
  --maxw: 1180px;
  --nav-h: 60px;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, "Times New Roman", serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ---------- 容器 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 文字工具 ---------- */
.serif { font-family: var(--font-serif); }
.muted { color: var(--muted); }
.center { text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
}
.eyebrow.teal { color: var(--amber-deep); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover { background: var(--brand-deep); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.45);
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-outline {
  background: #fff;
  color: var(--brand);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--brand); }
.btn-dark {
  background: var(--brand);
  color: #fff;
}
.btn-dark:hover { background: var(--brand-deep); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--brand); }
.brand .logo { width: 30px; height: 30px; flex: none; object-fit: contain; }
.brand small { font-weight: 500; color: var(--muted); font-size: 11px; letter-spacing: .08em; }

.nav-links { display: none; align-items: center; gap: 28px; }
.nav-links a { font-size: 15px; color: var(--text); font-weight: 500; transition: color .15s; position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--brand); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--brand); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-cta { display: none; align-items: center; gap: 12px; }

.nav-toggle {
  width: 42px; height: 42px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: none; border: none; cursor: pointer;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--brand); border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端抽屉菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: #fff;
  z-index: 49;
  padding: 18px 20px 40px;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 15px 6px;
  font-size: 17px;
  font-weight: 600;
  border-bottom: 1px solid var(--bg-soft-2);
  color: var(--text);
}
.mobile-menu a.active { color: var(--brand); }
.mobile-menu .btn { margin-top: 18px; }

/* ---------- 区块通用 ---------- */
.section { padding: 64px 0; }
.section.soft { background: var(--bg-soft); }
.section.dark {
  background: linear-gradient(160deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
}
.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.3;
  color: var(--ink);
  font-weight: 700;
}
.section.dark .section-head h2 { color: #fff; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 16px; }
.section.dark .section-head p { color: rgba(255,255,255,.78); }
/* 人民网式栏目分隔：标题下方一道红色短粗下划线 */
.section-head { position: relative; }
.section-head h2::after {
  content: "";
  display: block;
  width: 52px;
  height: 4px;
  border-radius: 3px;
  background: var(--brand);
  margin: 18px auto 0;
}
.section.dark .section-head h2::after { background: rgba(255,255,255,.85); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(255,217,160,.16), transparent 60%),
    linear-gradient(165deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  overflow: hidden;
  padding: 76px 0 84px;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 380px; height: 380px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 50%;
}
.hero-inner { position: relative; z-index: 2; max-width: 760px; }
.hero .badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  padding: 7px 14px; border-radius: 999px;
  font-size: 13px; color: #fff; margin-bottom: 22px;
}
.hero .badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); }
.hero h1 {
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: .01em;
}
.hero h1 .hl { color: #FFD9A0; }
.hero p.sub {
  margin: 22px 0 32px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.82);
  max-width: 600px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 24px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.14);
  max-width: 620px;
}
.hero-stats .num { font-family: var(--font-serif); font-size: 30px; font-weight: 700; color: #fff; }
.hero-stats .num span { color: #FFD9A0; }
.hero-stats .lbl { font-size: 13px; color: rgba(255,255,255,.65); margin-top: 2px; }

/* ---------- Hero 轮播 ---------- */
.hero-track { display: grid; }
.hero-slide {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity .55s ease, transform .55s cubic-bezier(.22,1,.36,1), visibility .55s;
  pointer-events: none;
}
.hero-slide.on { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.hero-slide.on .badge   { animation: heroUp .42s .03s both; }
.hero-slide.on h1       { animation: heroUp .42s .08s both; }
.hero-slide.on p.sub    { animation: heroUp .42s .13s both; }
.hero-slide.on .hero-actions { animation: heroUp .42s .18s both; }
.hero-slide.on .hero-stats   { animation: heroUp .42s .23s both; }
@keyframes heroUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.hero-ctrl {
  position: relative; z-index: 3;
  display: flex; align-items: center; gap: 14px;
  margin-top: 40px; flex-wrap: wrap;
}
.hero-arrow {
  width: 38px; height: 38px; flex: none;
  border-radius: 50%; cursor: pointer;
  border: 1px solid rgba(255,255,255,.26);
  background: rgba(255,255,255,.08);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s, transform .2s;
}
.hero-arrow svg { width: 18px; height: 18px; }
.hero-arrow:hover { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.5); }
.hero-arrow:active { transform: scale(.94); }
.hero-dots { display: flex; align-items: center; gap: 8px; }
.hero-dot {
  width: 26px; height: 4px; padding: 0; border: 0; cursor: pointer;
  border-radius: 999px; background: rgba(255,255,255,.26);
  overflow: hidden; transition: width .35s ease, background .35s ease;
}
.hero-dot i { display: block; height: 100%; width: 0; background: #FFD9A0; border-radius: 999px; }
.hero-dot.on { width: 52px; background: rgba(255,255,255,.22); }
.hero-dot.on i { width: 100%; transition: width 3s linear; }
.hero-dot.on.paused i { transition: none; }
.hero-count { font-size: 13px; color: rgba(255,255,255,.6); letter-spacing: .08em; margin-left: 2px; }
.hero-count b { color: #FFD9A0; font-weight: 700; }
@media (prefers-reduced-motion: reduce) {
  .hero-slide, .hero-dot i { transition: none; }
  .hero-slide.on * { animation: none !important; }
}

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 26px 24px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card .ic {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand);
  margin-bottom: 18px;
}
.card .ic svg { width: 24px; height: 24px; }
.card h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; font-weight: 700; }
.card p { color: var(--muted); font-size: 14.5px; line-height: 1.75; }
.card .more { display: inline-block; margin-top: 14px; color: var(--amber-deep); font-weight: 600; font-size: 14px; }

/* 特性列表（带编号） */
.feature-row { display: flex; gap: 16px; align-items: flex-start; }
.feature-row .idx {
  flex: none; width: 34px; height: 34px; border-radius: 9px;
  background: var(--brand); color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.feature-row h4 { font-size: 16px; color: var(--ink); margin-bottom: 4px; }
.feature-row p { color: var(--muted); font-size: 14px; }

/* ---------- 步骤 How it works ---------- */
.steps { display: grid; gap: 18px; }
.step {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r);
  padding: 26px 24px; position: relative;
}
.step .n {
  font-family: var(--font-serif); font-size: 38px; font-weight: 700;
  color: var(--amber); line-height: 1; opacity: .9;
}
.step h4 { font-size: 17px; margin: 10px 0 6px; color: var(--ink); }
.step p { color: var(--muted); font-size: 14.5px; }

/* ---------- 数据看板展示（深色） ---------- */
.dash {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--shadow);
}
.dash-bar { display: flex; gap: 14px; padding: 16px 20px; border-bottom: 1px solid var(--bg-soft-2); align-items:center; }
.dash-bar .pill { font-size: 12px; padding: 4px 12px; border-radius: 999px; background: var(--bg-soft); color: var(--muted); }
.dash-bar .pill.on { background: var(--brand-soft); color: var(--brand); }
.dash-body { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--bg-soft-2); }
.dash-cell { background: #fff; padding: 22px 20px; }
.dash-cell .k { font-size: 13px; color: var(--muted); }
.dash-cell .v { font-family: var(--font-serif); font-size: 26px; font-weight: 700; color: var(--ink); margin-top: 4px; }
.dash-cell .v.up { color: var(--teal); }
.dash-chart { grid-column: 1 / -1; padding: 20px; }
.bars { display: flex; align-items: flex-end; gap: 10px; height: 120px; }
.bars .b { flex: 1; background: linear-gradient(180deg, var(--amber), var(--amber-deep)); border-radius: 6px 6px 0 0; }

/* ---------- 经营驾驶舱（首页 refined dashboard） ---------- */
.dash-top { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; padding: 15px 20px; background: linear-gradient(180deg, #24090B, #43090D); border-bottom: 1px solid var(--bg-soft-2); }
.dash-title { display: flex; align-items: center; gap: 9px; color: #fff; font-weight: 700; font-size: 14px; letter-spacing: .02em; }
.dash-time { font-weight: 600; font-size: 12px; color: rgba(255,255,255,.6); font-variant-numeric: tabular-nums; padding-left: 10px; margin-left: 2px; border-left: 1px solid rgba(255,255,255,.18); }
.live-dot { width: 9px; height: 9px; border-radius: 50%; background: #3DDC97; animation: livePulse 1.8s infinite; }
@keyframes livePulse { 0% { box-shadow: 0 0 0 0 rgba(61,220,151,.6); } 70% { box-shadow: 0 0 0 10px rgba(61,220,151,0); } 100% { box-shadow: 0 0 0 0 rgba(61,220,151,0); } }
.dash-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.dash-tab { font-size: 13px; font-weight: 600; padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); color: rgba(255,255,255,.82); cursor: pointer; transition: .2s; }
.dash-tab:hover { border-color: rgba(255,255,255,.42); color: #fff; }
.dash-tab.on { background: var(--amber); border-color: var(--amber); color: #1A1300; }
.dash-panel { display: none; }
.dash-panel.active { display: block; animation: dashIn .4s ease; }
@keyframes dashIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--bg-soft-2); }
.kpi { background: #fff; padding: 18px 22px; }
.kpi .k { font-size: 13px; color: var(--muted); }
.kpi .vrow { display: flex; align-items: baseline; gap: 4px; margin-top: 8px; }
.kpi .v { font-family: var(--font-serif); font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1.1; font-variant-numeric: tabular-nums; }
.kpi .v.flash { animation: kpiFlash .62s ease-out; }
@keyframes kpiFlash { 0% { color: var(--brand); } 60% { color: var(--brand); } 100% { color: var(--ink); } }
.kpi .trend { transition: color .3s; }
.kpi .unit { font-size: 14px; color: var(--muted); font-weight: 600; font-family: var(--font-sans); }
.kpi .trend { font-size: 12.5px; margin-top: 7px; font-weight: 600; }
.kpi .trend.up { color: var(--teal); }
.kpi .trend.down { color: #E0533D; }
.kpi .trend.flat { color: var(--muted); }
.mini { grid-column: 1 / -1; background: #fff; padding: 18px 22px 22px; }
.mini .mini-h { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.mini-bars { display: flex; gap: 12px; }
.mini-bars .col { flex: 1; display: flex; flex-direction: column; align-items: center; }
.mini-bars .col .val { font-size: 12px; font-weight: 700; color: var(--ink); margin-bottom: 8px; font-variant-numeric: tabular-nums; }
.mini-bars .barbox { height: 120px; width: 100%; display: flex; align-items: flex-end; justify-content: center; }
.mini-bars .col .bar { width: 62%; max-width: 30px; height: 0; border-radius: 6px 6px 0 0; background: linear-gradient(180deg, var(--brand), #7A0006); transition: height .55s cubic-bezier(.22,1,.36,1); }
.mini-bars .col .lab { font-size: 11.5px; color: var(--muted); margin-top: 8px; text-align: center; }
@media (max-width: 560px) {
  .kpi .v { font-size: 26px; }
  .mini-bars { gap: 7px; }
  .mini-bars .col .val { font-size: 10.5px; margin-bottom: 6px; }
  .mini-bars .col .lab { font-size: 10px; }
}

/* ---------- 客户案例 ---------- */
.case {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r);
  padding: 26px; display: flex; flex-direction: column; gap: 14px;
}
.case .tag { font-size: 12px; font-weight: 700; color: var(--brand); letter-spacing: .06em; }
.case blockquote { font-family: var(--font-serif); font-size: 17px; line-height: 1.7; color: var(--ink); }
.case .who { display: flex; align-items: center; gap: 12px; margin-top: 4px; }
.case .avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--brand); color: #fff; display:flex; align-items:center; justify-content:center; font-weight:700; }
.case .who .name { font-weight: 600; font-size: 14px; }
.case .who .role { font-size: 12.5px; color: var(--muted); }
.case .metrics { display: flex; gap: 22px; margin-top: 6px; padding-top: 14px; border-top: 1px dashed var(--border); }
.case .metrics .m .v { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--amber-deep); }
.case .metrics .m .l { font-size: 12px; color: var(--muted); }

/* 案例 logo 条 */
.logos { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: center; opacity: .8; }
.logos .lg { font-family: var(--font-serif); font-weight: 700; font-size: 17px; color: rgba(255,255,255,.85); }

/* ===== 客户案例页 — 新增组件 ===== */

/* 行业标签 */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700;
  background: var(--brand-soft); color: var(--brand);
}
.pill.amber { background: #FDF1DC; color: var(--amber-deep); }
.pill.brand { background: #FBE6E0; color: var(--brand); }

/* 标杆案例（大卡） */
.case-feature {
  display: grid; gap: 26px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 32px; box-shadow: var(--shadow-sm);
}
.case-feature .cf-tag { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.case-feature h3 { font-family: var(--font-serif); font-size: 24px; color: var(--ink); margin-bottom: 6px; }
.case-feature .cf-meta { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.case-feature .cf-rows { display: grid; gap: 14px; }
.case-feature .cf-row { display: grid; grid-template-columns: 84px 1fr; gap: 12px; align-items: start; }
.case-feature .cf-row .k { font-weight: 700; color: var(--brand); font-size: 14px; padding-top: 1px; }
.case-feature .cf-row .v { color: var(--text); font-size: 15px; line-height: 1.7; }
.case-feature .cf-kpis { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 4px; }
.case-feature .cf-kpis .kpi .n { font-family: var(--font-serif); font-size: 30px; font-weight: 700; color: var(--amber-deep); line-height: 1; }
.case-feature .cf-kpis .kpi .l { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

/* 行业案例网格 */
.case-grid { display: grid; gap: 20px; }
.case-item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r);
  padding: 24px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.case-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.case-item .ci-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.case-item .ci-name { font-weight: 700; font-size: 16px; color: var(--ink); }
.case-item .ci-pain { color: var(--muted); font-size: 14px; line-height: 1.7; }
.case-item .ci-mods { display: flex; flex-wrap: wrap; gap: 6px; }
.case-item .ci-result { display: flex; gap: 18px; margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--border); }
.case-item .ci-result .r .n { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--amber-deep); }
.case-item .ci-result .r .l { font-size: 11.5px; color: var(--muted); }

/* before / after 对比 */
.ba { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: center; }
.ba .ba-side { border-radius: var(--r-sm); padding: 16px 18px; }
.ba .ba-side.before { background: var(--bg-soft); border: 1px solid var(--border); }
.ba .ba-side.after { background: var(--brand-soft); }
.ba .ba-side .t { font-size: 12px; font-weight: 700; letter-spacing: .05em; color: var(--muted); margin-bottom: 6px; }
.ba .ba-side.after .t { color: var(--brand); }
.ba .ba-side .d { font-size: 14px; line-height: 1.6; color: var(--text); }
.ba .ba-arrow { font-size: 22px; color: var(--brand); font-weight: 700; }

/* 客户证言 */
.quote {
  font-family: var(--font-serif); font-size: 18px; line-height: 1.75; color: var(--ink);
  border-left: 3px solid var(--amber); padding-left: 16px; margin: 0;
}
.story { background: #fff; border: 1px solid var(--border); border-radius: var(--r); padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.story .s-who { display: flex; align-items: center; gap: 12px; }
.story .s-who .avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--brand); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px; }
.story .s-who .name { font-weight: 600; font-size: 15px; }
.story .s-who .role { font-size: 12.5px; color: var(--muted); }
.story .s-flow { display: grid; gap: 10px; }
.story .s-flow .row { display: grid; grid-template-columns: 70px 1fr; gap: 10px; }
.story .s-flow .row .k { font-weight: 700; color: var(--brand); font-size: 13.5px; }
.story .s-flow .row .v { font-size: 14.5px; line-height: 1.7; color: var(--text); }
.story .s-kpis { display: flex; flex-wrap: wrap; gap: 18px; padding-top: 14px; border-top: 1px dashed var(--border); }
.story .s-kpis .kpi .n { font-family: var(--font-serif); font-size: 24px; font-weight: 700; color: var(--amber-deep); }
.story .s-kpis .kpi .l { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* 行业覆盖墙（浅色底用） */
.ind-wall { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.ind-wall .iw { padding: 10px 18px; border: 1px solid var(--border); border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--brand); background: #fff; }

/* ---------- 定价 ---------- */
.price-grid { display: grid; gap: 20px; }
.price {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 30px 26px; position: relative; display: flex; flex-direction: column;
}
.price.featured { border-color: var(--amber); box-shadow: var(--shadow); }
.price .flag {
  position: absolute; top: -13px; left: 26px;
  background: var(--amber); color: #2A1B05; font-size: 12px; font-weight: 700;
  padding: 5px 14px; border-radius: 999px;
}
.price h3 { font-size: 19px; color: var(--ink); }
.price .desc { color: var(--muted); font-size: 13.5px; margin: 6px 0 16px; }
.price .amount { display: flex; align-items: baseline; gap: 6px; }
.price .amount .cur { font-size: 20px; font-weight: 700; color: var(--ink); }
.price .amount .num { font-family: var(--font-serif); font-size: 42px; font-weight: 700; color: var(--ink); }
.price .amount .num.custom { font-size: 30px; letter-spacing: 2px; }
.price .amount .per { color: var(--muted); font-size: 13px; }
.price ul.feat { margin: 20px 0 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.price ul.feat li { display: flex; gap: 10px; font-size: 14.5px; color: var(--text); align-items: flex-start; }
.price ul.feat li svg { width: 18px; height: 18px; flex: none; margin-top: 3px; color: var(--brand); }

/* ---------- 行业方案标签 ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 32px; }
.tabs button {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 9px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: .15s;
}
.tabs button.on { background: var(--brand); color: #fff; border-color: var(--brand); }
.tab-panel { display: none; }
.tab-panel.on { display: block; }

/* ---------- 终页 CTA ---------- */
.cta-final {
  background: linear-gradient(150deg, var(--brand), var(--brand-deep));
  border-radius: var(--r-lg);
  padding: 56px 30px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content:""; position:absolute; left:-80px; bottom:-80px;
  width: 240px; height: 240px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.12);
}
.cta-final h2 { font-family: var(--font-serif); font-size: 30px; margin-bottom: 14px; }
.cta-final p { color: rgba(255,255,255,.8); max-width: 520px; margin: 0 auto 28px; }
.cta-final .hero-actions { justify-content: center; }

/* ---------- 页脚 ---------- */
.footer { background: var(--ink); color: rgba(255,255,255,.7); padding: 56px 0 28px; }
.footer .cols { display: grid; grid-template-columns: 1fr; gap: 34px; }
.footer .f-brand .brand { color: #fff; margin-bottom: 14px; }
.footer .f-brand .brand .logo { width: 36px; height: 36px; }
.footer .f-brand p { font-size: 14px; max-width: 320px; color: rgba(255,255,255,.6); }
.footer h5 { color: #fff; font-size: 15px; margin-bottom: 14px; font-weight: 700; }
.footer .f-col a { display: block; font-size: 14px; padding: 6px 0; color: rgba(255,255,255,.65); transition: color .15s; }
.footer .f-col a:hover { color: var(--amber); }
.footer .bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.10);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 13px;
  color: rgba(255,255,255,.5);
}
.footer .bottom .beian { color: inherit; transition: color .15s; }
.footer .bottom .beian:hover { color: var(--amber); }

/* 页脚公众号二维码（长期可见） */
.f-qr { display: flex; flex-direction: column; align-items: flex-start; }
.f-qr img {
  width: 112px; height: 112px; display: block;
  border-radius: 8px;
  filter: drop-shadow(0 2px 10px rgba(0,0,0,.35));
}
.f-qr-tip {
  margin-top: 10px; font-size: 12.5px; line-height: 1.5;
  color: rgba(255,255,255,.55); letter-spacing: .01em;
}

/* ---------- 通用区块间距 ---------- */
.breadcrumb { font-size: 13px; color: var(--muted); padding: 18px 0; }
.breadcrumb a:hover { color: var(--amber-deep); }

/* 滚动出现动画 */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 桌面端适配 ---------- */
@media (min-width: 760px) {
  body { font-size: 16px; }
  .nav-links { display: flex; }
  .nav-cta { display: flex; }
  .nav-toggle { display: none; }
  .hero { padding: 110px 0 120px; }
  .hero h1 { font-size: 56px; }
  .hero p.sub { font-size: 19px; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .section { padding: 96px 0; }
  .section-head h2 { font-size: 40px; }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .price-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(3, 1fr); }
  .footer .cols { grid-template-columns: 1.5fr 1fr 1fr 1fr auto; }
  .f-qr { align-items: flex-end; text-align: right; }
}
@media (min-width: 1024px) {
  .container { padding: 0 32px; }
}