.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
/* =========================================================
   FORMA Studio — 暗夜工坊霓虹设计系统
   深炭黑画布 + 单一荧光绿信号色 + 极致负字距排版
   ========================================================= */

:root {
  /* 色彩 */
  --canvas: #0A0A0B;          /* 近黑画布（工坊地板感） */
  --surface: #0F0F11;         /* 卡片表面 */
  --surface-2: #121214;       /* 证言卡表面 */
  --surface-3: #0F1410;       /* 推荐套餐表面（微绿） */
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-strong: rgba(255, 255, 255, 0.16);

  --accent: #00FF88;          /* 荧光绿——唯一信号色 */
  --accent-soft: rgba(0, 255, 136, 0.12);
  --accent-line: rgba(0, 255, 136, 0.4);
  --accent-glow: rgba(0, 255, 136, 0.5);

  --text: #FFFFFF;            /* 主文字 */
  --text-2: #A1A1AA;          /* 次文字 */
  --text-3: #71717A;          /* 弱文字 */
  --text-quote: #E4E4E7;      /* 引文 */

  /* 字体 */
  --font-display: "Inter Tight", "Inter", -apple-system, system-ui, sans-serif;
  --font-body: "Inter", -apple-system, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 间距 */
  --pad-x: 64px;
  --radius: 6px;              /* 按钮圆角（硬边工坊） */
  --maxw: 1440px;
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--canvas);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* ============ 排版 ============ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.eyebrow-label {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 2px;
}

/* ============ 布局容器 ============ */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.section {
  padding: 100px 0;
  border-top: 1px solid var(--hairline);
}
.section-tight { padding: 80px 0; }

.section-head { max-width: 900px; margin-bottom: 56px; }
.section-head .eyebrow-label { display: block; margin-bottom: 20px; }
.section-head h2 {
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
}
.section-head p {
  margin-top: 20px;
  font-size: 18px;
  color: var(--text-2);
  max-width: 760px;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 52px;
  padding: 0 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .25s ease, background .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--canvas);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,255,136,.25); }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--hairline-strong);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { height: 48px; font-size: 15px; }

/* ============ 头部导航（统一 head） ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,11,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 72px;
  padding: 0 var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--text);
}
.logo-mark {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: var(--radius);
  display: grid; place-items: center;
}
.logo-mark svg { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  transition: color .2s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); }
.nav-cta {
  height: 38px;
  padding: 0 20px;
  background: var(--accent);
  color: var(--canvas);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  transition: transform .2s ease, box-shadow .25s ease;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,255,136,.25); }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
}
.nav-toggle span { display:block; width: 22px; height: 2px; background: var(--text); position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content:""; position:absolute; left:0; width:22px; height:2px; background: var(--text);
}
.nav-toggle span::before { top:-7px; }
.nav-toggle span::after { top:7px; }

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 120px var(--pad-x) 96px;
  max-width: var(--maxw);
  margin: 0 auto;
  overflow: hidden;
}
.hero-dotgrid {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.16) 1.2px, transparent 1.2px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -240px; right: -120px;
  width: 760px; height: 760px;
  background: radial-gradient(circle, rgba(0,255,136,.42) 0%, rgba(0,255,136,0) 70%);
  filter: blur(40px);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 1040px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  height: 30px; padding: 0 14px;
  border: 1px solid var(--hairline-strong);
  border-radius: 100px;
  background: rgba(255,255,255,.04);
  font-size: 13px; font-weight: 500; color: var(--text-2);
  letter-spacing: .4px;
  margin-bottom: 32px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.hero h1 .green { color: var(--accent); }
.hero-sub {
  margin-top: 18px;
  max-width: 640px;
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.65;
}
.hero-cta { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-trust {
  margin-top: 28px;
  display: flex; align-items: center; gap: 14px;
  color: var(--text-3); font-size: 14px;
}
.hero-trust .line { width: 40px; height: 1px; background: rgba(255,255,255,.2); }
.scroll-hint {
  position: absolute; left: var(--pad-x); bottom: 32px;
  display: flex; align-items: center; gap: 12px;
  color: var(--text-3); font-size: 11px; letter-spacing: 2px; font-weight: 500;
}
.scroll-hint .bar { width: 1px; height: 28px; background: rgba(255,255,255,.3); }

/* ============ 服务流程 ============ */
.flow-connect {
  width: 100%; height: 1px; background: var(--hairline-strong);
  margin-bottom: 32px;
}
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.flow-step .num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
}
.flow-step:last-child .num { color: var(--accent); }
.flow-step h3 { font-size: 20px; font-weight: 600; margin: 16px 0; }
.flow-step p { font-size: 14px; color: var(--text-2); line-height: 1.55; }

/* ============ 作品 / 列表页 ============ */
.portfolio-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 48px; gap: 24px; flex-wrap: wrap;
}
.portfolio-head .link-all { color: var(--text-2); font-size: 15px; font-weight: 500; transition: color .2s; }
.portfolio-head .link-all:hover { color: var(--accent); }

.featured-case {
  position: relative;
  border: 1px solid var(--hairline);
  background: linear-gradient(135deg, rgba(10,59,66,.55), rgba(10,10,10,1));
  min-height: 460px;
  padding: 40px;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
  margin-bottom: 24px;
}
.featured-case .top-accent { position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: var(--accent); }
.featured-case .glow {
  position: absolute; top: -120px; right: -40px; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(0,255,136,.3) 0%, rgba(0,255,136,0) 70%);
  filter: blur(30px); pointer-events: none;
}
.case-tag {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 12px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: 100px;
  font-size: 12px; font-weight: 500; color: var(--accent);
}
.case-tag .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.featured-case .info { position: relative; max-width: 560px; }
.featured-case .info h3 { font-size: 44px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 14px; }
.featured-case .info p { font-size: 17px; color: var(--text-2); line-height: 1.55; margin-bottom: 14px; }
.featured-case .view { color: var(--text); font-size: 15px; font-weight: 500; }
.featured-case .view:hover { color: var(--accent); }

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.case-card {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: 0;
  padding: 28px;
  min-height: 280px;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.case-card:hover { transform: translateY(-4px); border-color: var(--hairline-strong); }
.case-card.c-blue   { background: linear-gradient(135deg, rgba(10,26,46,.6), rgba(10,10,10,1)); }
.case-card.c-gray   { background: linear-gradient(135deg, rgba(26,26,36,.6), rgba(10,10,10,1)); }
.case-card.c-green  { background: linear-gradient(135deg, rgba(10,36,23,.6), rgba(10,10,10,1)); }
.case-card.c-warm   { background: linear-gradient(135deg, rgba(31,23,15,.6), rgba(10,10,10,1)); }
.case-card .mockup { position: absolute; right: 24px; top: 44px; width: 210px; height: 120px; opacity: .9; pointer-events: none; }
.case-card .c-tag { font-size: 12px; font-weight: 500; color: var(--accent); letter-spacing: 1px; }
.case-card .c-info h3 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.case-card .c-info p { font-size: 13px; color: var(--text-2); line-height: 1.5; max-width: 300px; }
.case-card .c-view { margin-top: 16px; font-size: 14px; color: var(--text); font-weight: 500; }
.case-card .c-view:hover { color: var(--accent); }

/* 列表页：筛选标签 */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-chip {
  height: 36px; padding: 0 18px;
  border: 1px solid var(--hairline-strong);
  border-radius: 100px;
  font-size: 14px; font-weight: 500; color: var(--text-2);
  transition: all .2s ease;
}
.filter-chip:hover { color: var(--text); border-color: var(--text-2); }
.filter-chip.active { background: var(--accent); color: var(--canvas); border-color: var(--accent); }

/* ============ 服务能力矩阵 ============ */
.svc-matrix {
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.svc-cell {
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 32px;
  min-height: 220px;
  display: flex; flex-direction: column;
}
.svc-cell .idx { font-size: 12px; font-weight: 500; color: var(--accent); letter-spacing: 1px; margin-bottom: 16px; }
.svc-cell .icon { width: 28px; height: 28px; margin-bottom: 16px; }
.svc-cell h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.svc-cell p { font-size: 14px; color: var(--text-2); line-height: 1.55; }

/* ============ 数据口碑 ============ */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--hairline);
  margin-bottom: 80px;
}
.stat {
  padding: 0 40px;
  border-right: 1px solid var(--hairline);
}
.stat .num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 80px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
}
.stat.accent .num { color: var(--accent); }
.stat .label { margin-top: 14px; font-size: 15px; color: var(--text-2); }
.stat .trend { margin-top: 6px; font-size: 12px; font-weight: 500; color: var(--accent); }

.testi-head { margin-bottom: 48px; }
.testi-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.testi-card {
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  padding: 36px;
  display: flex; flex-direction: column; gap: 20px;
}
.testi-card .quote-mark { font-family: var(--font-display); font-weight: 900; font-size: 48px; line-height: .8; color: var(--accent); }
.testi-card .quote { font-size: 18px; color: var(--text-quote); line-height: 1.6; }
.testi-card .divider { height: 1px; background: var(--hairline); }
.testi-card .attr { display: flex; align-items: center; gap: 12px; }
.testi-card .attr .name { font-size: 15px; font-weight: 600; }
.testi-card .attr .role { font-size: 14px; color: var(--text-3); }

/* ============ 定价 ============ */
.pricing-head { margin-bottom: 56px; }
.tier-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.tier {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 36px;
  display: flex; flex-direction: column; gap: 22px;
}
.tier.recommended {
  background: var(--surface-3);
  border: 1.5px solid var(--accent-glow);
  box-shadow: 0 0 60px rgba(0,255,136,.18), 0 16px 40px rgba(0,255,136,.1);
  position: relative;
}
.tier .badge {
  align-self: flex-start;
  height: 26px; padding: 0 12px;
  background: var(--accent); color: var(--canvas);
  border-radius: 100px; font-size: 12px; font-weight: 600;
  display: inline-flex; align-items: center;
}
.tier .name { font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.tier .price-row { display: flex; align-items: baseline; gap: 4px; }
.tier .price { font-family: var(--font-display); font-weight: 900; font-size: 40px; letter-spacing: -0.03em; }
.tier .unit { font-size: 16px; color: var(--text-3); }
.tier .desc { font-size: 15px; color: var(--text-2); }
.tier .feats { font-size: 14px; color: var(--text-2); line-height: 1.75; white-space: pre-line; }
.tier .btn { width: 100%; justify-content: center; }

/* ============ FAQ ============ */
.faq-head { margin-bottom: 48px; }
.faq-list { border-top: 1px solid var(--hairline); }
.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0;
  font-size: 18px; font-weight: 500; color: var(--text);
  text-align: left;
}
.faq-q .plus { font-size: 22px; color: var(--text-3); transition: transform .3s ease, color .3s ease; flex-shrink: 0; }
.faq-item:first-child .faq-q .plus,
.faq-item.open .faq-q .plus { color: var(--accent); }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  color: var(--text-2); font-size: 15px; line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 24px; }

/* ============ 收尾 CTA ============ */
.final-cta {
  position: relative;
  text-align: center;
  padding: 120px var(--pad-x);
  border-top: 1px solid var(--hairline);
  overflow: hidden;
}
.final-cta .glow {
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(circle, rgba(0,255,136,.22) 0%, rgba(0,255,136,0) 70%);
  filter: blur(50px); pointer-events: none;
}
.final-cta h2 {
  position: relative;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 7vw, 80px);
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.final-cta p { position: relative; margin: 28px auto 0; max-width: 640px; font-size: 20px; color: var(--text-2); }
.final-cta .cta-row { position: relative; margin-top: 36px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.final-cta .trust { position: relative; margin-top: 24px; font-size: 14px; color: var(--text-3); }

/* ============ 页脚（统一 foot） ============ */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 80px var(--pad-x) 40px;
}
.footer-inner { max-width: var(--maxw); margin: 0 auto; }
.footer-top { display: flex; justify-content: space-between; gap: 80px; flex-wrap: wrap; }
.footer-brand { width: 360px; max-width: 100%; }
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .tagline { font-size: 14px; color: var(--text-3); line-height: 1.6; margin-bottom: 20px; }
.footer-brand .email { font-size: 15px; font-weight: 500; color: var(--accent); }
.footer-cols { display: flex; gap: 80px; flex-wrap: wrap; }
.footer-col h4 { font-size: 13px; font-weight: 500; color: var(--text-3); letter-spacing: 1px; margin-bottom: 14px; }
.footer-col a { display: block; font-size: 14px; color: var(--text-2); margin-bottom: 12px; transition: color .2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 64px; padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 13px; color: var(--text-3); flex-wrap: wrap; gap: 12px;
}
.footer-wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(80px, 22vw, 200px);
  letter-spacing: -0.05em;
  line-height: 1;
  text-align: center;
  background: linear-gradient(180deg, rgba(23,28,23,1), rgba(5,13,8,1));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 40px;
  user-select: none;
}

/* ============ 详情页（服务单页 / 案例内容页） ============ */
.detail-hero {
  padding: 56px var(--pad-x) 40px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.detail-hero .crumb { display: flex; align-items: center; flex-wrap: nowrap; gap: 8px; font-size: 13px; color: var(--text-3); margin-bottom: 20px; white-space: nowrap; }
.detail-hero .crumb svg { flex: none; }
.detail-hero .crumb span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 420px; }
.detail-hero .crumb a:hover { color: var(--accent); }
.detail-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.detail-hero h1 .green { color: var(--accent); }
.detail-hero .lead { margin-top: 16px; max-width: 680px; font-size: 16px; color: var(--text-2); line-height: 1.65; }

.detail-body {
  display: grid;
  grid-template-columns: minmax(0, 760px) 300px;
  gap: 48px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x) 80px;
  justify-content: center;
}
.detail-main { min-width: 0; }
.detail-main h2 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; margin: 40px 0 18px; }
.detail-main h2:first-child { margin-top: 0; }
.detail-main p { font-size: 16px; color: var(--text-2); line-height: 1.8; margin-bottom: 18px; }
.detail-main ul.checklist { margin: 8px 0 24px; }
.detail-main ul.checklist li {
  position: relative; padding-left: 28px; margin-bottom: 14px;
  font-size: 16px; color: var(--text); line-height: 1.6;
}
.detail-main ul.checklist li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.detail-figure {
  margin: 32px 0;
  border: 1px solid var(--hairline);
  background: linear-gradient(135deg, rgba(10,59,66,.4), rgba(10,10,10,1));
  border-radius: 0;
  padding: 40px;
  min-height: 300px;
  display: flex; align-items: center; justify-content: center;
}
.detail-figure .wire {
  width: 100%; max-width: 520px; height: 280px;
  border: 1px solid var(--hairline-strong);
  background: rgba(255,255,255,.02);
  position: relative;
}
.detail-figure .wire .bar { position:absolute; top:0; left:0; right:0; height:28px; background: rgba(255,255,255,.05); }
.detail-figure .wire .bar span { position:absolute; top:11px; width:8px; height:8px; border-radius:50%; background: rgba(255,255,255,.25); }
.detail-figure .wire .bar span:nth-child(1){ left:14px; } .detail-figure .wire .bar span:nth-child(2){ left:28px; } .detail-figure .wire .bar span:nth-child(3){ left:42px; }
.detail-figure .wire .blk { position:absolute; background: rgba(255,255,255,.06); }
.detail-figure .wire .cta { position:absolute; background: var(--accent-soft); border:1px solid var(--accent-line); }

.detail-aside { position: sticky; top: 96px; align-self: start; }
.aside-card {
  border: 1px solid var(--hairline);
  padding: 28px;
  margin-bottom: 24px;
}
.aside-card h4 { font-size: 13px; font-weight: 500; color: var(--text-3); letter-spacing: 1px; margin-bottom: 18px; }
.aside-card .price { font-family: var(--font-display); font-weight: 900; font-size: 40px; letter-spacing: -0.03em; }
.aside-card .price small { font-size: 16px; color: var(--text-3); font-weight: 400; }
.aside-card .meta-row { display:flex; justify-content:space-between; padding: 12px 0; border-bottom: 1px solid var(--hairline); font-size: 14px; }
.aside-card .meta-row:last-of-type { border-bottom: none; }
.aside-card .meta-row .k { color: var(--text-3); }
.aside-card .meta-row .v { color: var(--text); }
.aside-card .btn { width: 100%; justify-content: center; margin-top: 18px; }
.aside-nav a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; border-bottom: 1px solid var(--hairline);
  font-size: 15px; color: var(--text-2); transition: color .2s;
}
.aside-nav a:hover, .aside-nav a.active { color: var(--accent); }
.aside-nav a .arrow { color: var(--text-3); }

/* 相关案例 / 相关服务 */
.related { border-top: 1px solid var(--hairline); padding: 80px 0; }
.related .section-head { margin-bottom: 40px; }

/* ============ 滚动渐显动画 ============ */
.reveal { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s ease; }
.reveal.reveal-init { opacity: 0; transform: translateY(28px); }
.reveal.in { opacity: 1; transform: none; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  :root { --pad-x: 40px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 40px 32px; }
  .svc-matrix { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 24px 28px; }
  .tier-row { grid-template-columns: 1fr; max-width: 480px; }
  .testi-row { grid-template-columns: 1fr; }
  .detail-body { grid-template-columns: 1fr; gap: 40px; }
  .detail-aside { position: static; }
}
@media (max-width: 680px) {
  :root { --pad-x: 24px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 20px;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--canvas); border-bottom: 1px solid var(--hairline);
    padding: 24px var(--pad-x);
  }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 36px; }
  .hero h1 { font-size: 36px; }
  .flow-steps, .svc-matrix, .stats-band, .case-grid { grid-template-columns: 1fr; }
  .featured-case { padding: 28px; min-height: 380px; }
  .featured-case .info h3 { font-size: 34px; }
  .footer-top { flex-direction: column; gap: 48px; }
  .footer-cols { gap: 48px; }
  .final-cta h2 { font-size: 44px; }
  .detail-hero h1 { font-size: 28px; }
}

/* ===== Pagination ===== */
.pagination { display:flex;align-items:center;justify-content:center;gap:8px;margin-top:48px;flex-wrap:wrap; }
.pagination a, .pagination .disabled, .pagination .ellipsis { display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--hairline);font-size:14px;color:var(--text-2);border-radius:var(--radius);transition:all .2s; }
.pagination a:hover { border-color:var(--accent);color:var(--accent); }
.pagination .active { background:var(--accent);color:var(--canvas);border-color:var(--accent); }
.pagination .disabled { opacity:.4;cursor:default; }
.pagination .ellipsis { border:none; }

/* ===== Article List (list.html / search / tag) ===== */
.article-list { display:flex;flex-direction:column;gap:24px;max-width:720px;margin:0 auto; }
.article-card { border-bottom:1px solid var(--hairline);padding-bottom:24px; }
.article-card:last-child { border-bottom:none; }
.article-meta { font-size:13px;color:var(--text-3);margin-bottom:6px; }
.article-card h2 { font-size:22px;font-weight:600;letter-spacing:-0.02em;margin:0 0 8px;line-height:1.4; }
.article-card h2 a { color:var(--text);text-decoration:none; }
.article-card h2 a:hover { color:var(--accent); }
.article-card p { font-size:14px;color:var(--text-2);line-height:1.6;margin:0 0 12px; }
.read-more { font-size:13px;font-weight:500;color:var(--accent);text-decoration:none; }
.read-more:hover { text-decoration:underline; }

/* ===== Article Detail (detail.html) ===== */
.article-meta-bar { display:flex;gap:16px;font-size:13px;color:var(--text-2);margin-top:12px;flex-wrap:wrap;justify-content:center; }
.article-content { max-width:720px;margin:0 auto;line-height:1.8;color:var(--text-2);}
.article-content p { margin:1em 0; }
.article-content h2 { font-size:24px;margin:32px 0 12px;color:var(--text); }
.article-content img { max-width:100%;border-radius:8px;margin:16px 0; }

/* ===== Tag chips ===== */
.tag-list { display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:32px;font-size:13px;max-width:720px;margin-left:auto;margin-right:auto; }
.tag-chip { display:inline-block;padding:4px 12px;border:1px solid var(--hairline);border-radius:20px;font-size:12px;color:var(--text-2);text-decoration:none;transition:all .2s; }
.tag-chip:hover { border-color:var(--accent);color:var(--accent);text-decoration:none; }
.tag-cloud { display:flex;flex-wrap:wrap;gap:6px; }

/* ===== Detail body layout (service / case detail / about) ===== */
.detail-body { display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start; }
.detail-main { min-width:0; }
.detail-main h2 { font-size:28px;font-weight:600;letter-spacing:-0.03em;margin:32px 0 12px; }
.detail-main p { font-size:15px;line-height:1.7;color:var(--text-2);margin:1em 0; }
.checklist { list-style:none;padding:0; }
.checklist li { padding:8px 0 8px 24px;position:relative;font-size:15px;color:var(--text-2); }
.checklist li::before { content:"→";position:absolute;left:0;color:var(--accent); }
.detail-aside { display:flex;flex-direction:column;gap:20px; }
.aside-card { background:var(--surface);border:1px solid var(--hairline);border-radius:12px;padding:24px; }
.aside-card h4 { font-size:14px;font-weight:600;margin:0 0 12px;color:var(--text-3);text-transform:uppercase;letter-spacing:0.05em; }
.aside-card ul { list-style:none;padding:0; }
.aside-card li { padding:4px 0; }
.aside-card li a { font-size:14px;color:var(--text-2);text-decoration:none; }
.aside-card li a:hover { color:var(--accent); }
.meta-table { width:100%; }
.meta-table td { padding:6px 0;font-size:13px; }
.meta-table td:first-child { color:var(--text-3);padding-right:12px;white-space:nowrap; }
.meta-table td:last-child { color:var(--text); }

/* ===== Filter bar (cases.html) ===== */
.filter-bar { display:flex;gap:8px;flex-wrap:wrap;margin-bottom:40px;justify-content:center; }
.filter-chip { padding:8px 20px;border:1px solid var(--hairline);border-radius:100px;background:transparent;color:var(--text-2);font-size:14px;cursor:pointer;transition:all .2s;font-family:inherit; }
.filter-chip:hover { border-color:var(--accent);color:var(--accent); }
.filter-chip.active { background:var(--accent);border-color:var(--accent);color:var(--canvas);font-weight:500; }

/* ===== Contact form ===== */
.contact-grid { display:grid;grid-template-columns:1fr 300px;gap:48px; }
.form-row { display:grid;grid-template-columns:1fr 1fr;gap:16px; }
.form-group { margin-bottom:16px; }
.form-group label { display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--text-2); }
.form-input { width:100%;padding:12px 16px;background:var(--surface);border:1px solid var(--hairline);border-radius:8px;color:var(--text);font-size:14px;font-family:inherit;transition:border-color .2s;box-sizing:border-box; }
.form-input:focus { outline:none;border-color:var(--accent); }
textarea.form-input { resize:vertical;min-height:100px; }
.contact-aside { display:flex;flex-direction:column;gap:24px; }
.contact-info h4 { font-size:13px;color:var(--text-3);text-transform:uppercase;margin:0 0 4px; }
.contact-info a { color:var(--text);font-size:15px;text-decoration:none; }
.contact-info a:hover { color:var(--accent); }
.contact-info p { font-size:14px;color:var(--text-2);margin:0; }

/* ===== Pricing tiers ===== */
.tier-row { display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:960px;margin:0 auto; }
.tier { background:var(--surface);border:1px solid var(--hairline);border-radius:16px;padding:32px;display:flex;flex-direction:column;position:relative; }
.tier.recommended { border-color:var(--accent); }
.tier-badge { position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--canvas);font-size:12px;font-weight:600;padding:4px 16px;border-radius:100px; }
.tier-name { font-size:18px;font-weight:600;margin:0 0 8px; }
.tier-price { margin:16px 0; }
.tier-price .amount { font-size:36px;font-weight:900;letter-spacing:-0.03em; }
.tier-price .unit { font-size:14px;color:var(--text-2);margin-left:4px; }
.tier-features { list-style:none;padding:0;margin:0 0 24px;flex:1; }
.tier-features li { padding:8px 0;font-size:14px;color:var(--text-2);border-bottom:1px solid var(--hairline); }
.tier-features li:last-child { border-bottom:none; }
.tier-features li::before { content:"✓";color:var(--accent);margin-right:10px;font-weight:600; }

/* ===== Responsive for new layouts ===== */
@media (max-width:1024px) {
  .detail-body, .contact-grid { grid-template-columns:1fr; }
  .tier-row { grid-template-columns:1fr;max-width:480px; }
  .form-row { grid-template-columns:1fr; }
}
@media (max-width:680px) {
  .tier-row { max-width:100%; }
}

/* ===== 悬浮客服 ===== */
.zfkf-float{position:fixed;right:20px;bottom:120px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.zfkf-item{position:relative;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.18);transition:all .25s;cursor:pointer}
.zfkf-item:hover{transform:scale(1.08);color:#fff}
.zfkf-phone{background:#2563eb}
.zfkf-wechat{background:#07c160}
.zfkf-consult{background:#f59e0b}
.zfkf-top{background:#334155}
.zfkf-tip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;background:rgba(0,0,0,.78);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:10001}
.zfkf-item:hover .zfkf-tip{opacity:1}
.zfkf-wechat-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:10000;display:none;align-items:center;justify-content:center}
.zfkf-wechat-mask.zfkf-show{display:flex}
.zfkf-wechat-box{background:#fff;border-radius:12px;padding:24px;text-align:center;position:relative;max-width:80vw}
.zfkf-wechat-box img{width:180px;height:180px;object-fit:contain;border:1px solid #eee;border-radius:8px}
.zfkf-wechat-noimg{width:180px;height:80px;display:flex;align-items:center;justify-content:center;background:#f6f7f9;border-radius:8px;font-size:16px;color:#07c160;font-weight:600}
.zfkf-wechat-box p{margin:12px 0 0;font-size:14px;color:#333}
.zfkf-wechat-close{position:absolute;top:8px;right:12px;font-size:22px;color:#666;cursor:pointer;line-height:1}
@media (max-width:768px){.zfkf-float{right:10px;bottom:100px}.zfkf-item{width:42px;height:42px}.zfkf-tip{display:none}}
.main-content { min-width: 0; }
.footer-tagline { color: var(--mute, var(--text-light)); font-size: 14px; }
.footer-legal { font-size: 13px; color: var(--mute, var(--text-light)); }
.breadcrumb { display: flex; align-items: center; flex-wrap: nowrap; gap: 8px; padding: 0 0 20px; font-size: 13px; color: var(--text-3); white-space: nowrap; }
.breadcrumb svg { flex: none; }
.breadcrumb span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 420px; }
.breadcrumb a { color: var(--accent); }
.case-content { padding: 24px; }
.case-results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.btn-block { width: 100%; }
.text-muted { color: var(--mute, var(--text-light)); }
.page-body { font-size: 15px; line-height: 1.85; color: var(--ink, var(--text)); }
.page-body p { margin-bottom: 16px; }
.page-cta { text-align: center; }
.partner-card { padding: 24px; }
.service-content { padding: 24px; }
.footer-email { color: var(--mute, var(--text-light)); font-size: 13px; }
.case-cover img { width: 100%; border-radius: 12px; margin-bottom: 24px; display: block; }
.contact-form .form-group { margin-bottom: 16px; }
.contact-form label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; color: var(--ink, var(--text)); }
.contact-form input, .contact-form textarea { width: 100%; padding: 10px 14px; border: 1px solid var(--hairline, #e5e7eb); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff; }
.prev-next { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; }
.prev-next a { flex: 1; padding: 12px 16px; background: #fff; border: 1px solid var(--hairline, #e5e7eb); border-radius: 8px; color: var(--ink, var(--text)); text-decoration: none; font-size: 14px; }