/* ==========================================================================
   华纯网络科技工作室 · 主样式
   --------------------------------------------------------------------------
   设计目标：稳重、清晰、专业；强调「天津本地技术团队」的实在感。
   配色：以墨绿（#0c4a3a）与翠绿（#10b981）为主色，区别于常见 SaaS 的蓝紫调。
   体系：完全纯静态，CSS 变量定义颜色与尺寸，无任何外部依赖。
   ========================================================================== */

:root {
  --bg:           #f6f7f5;
  --bg-soft:      #eef1ec;
  --bg-deep:      #0c1820;
  --surface:      #ffffff;
  --surface-2:    #fafbf8;
  --text:         #18241f;
  --text-soft:    #46544e;
  --muted:        #7c8a83;
  --line:         #e3e7e0;
  --primary:      #10b981;
  --primary-2:    #0c4a3a;
  --primary-soft: #d8f5e6;
  --accent:       #f59e0b;
  --danger:       #dc2626;

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 6px rgba(12, 74, 58, 0.05);
  --shadow:    0 8px 24px rgba(12, 74, 58, 0.07);
  --shadow-lg: 0 24px 60px rgba(12, 74, 58, 0.10);

  --max:      1200px;
  --max-wide: 1320px;
  --gutter:   24px;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-2); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

/* ==========================================================================
   通用排版
   ========================================================================== */
h1, h2, h3, h4, h5 {
  margin: 0 0 .4em;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -.005em; }
h3 { font-size: 1.18rem; }
h4 { font-size: 1.02rem; }
p  { margin: 0 0 1em; color: var(--text-soft); }
.muted { color: var(--muted); }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary-2);
  background: var(--primary-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.grad-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 60%, #06412f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.center { text-align: center; }

/* ==========================================================================
   布局
   ========================================================================== */
.container { width: 100%; max-width: var(--max); padding: 0 var(--gutter); margin: 0 auto; }
.container--wide { max-width: var(--max-wide); }

main { display: block; }

.section { padding: 88px 0; position: relative; }
.section--tight { padding: 56px 0; }
.section--alt { background: var(--surface); }

.section-head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head p { color: var(--text-soft); font-size: 1.02rem; }

/* ==========================================================================
   顶部导航
   ========================================================================== */
.topline { height: 3px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 247, 245, .85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; gap: 18px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 36px; height: 36px;
  background: var(--surface);
  border-radius: 10px;
  padding: 4px;
  box-shadow: var(--shadow-sm);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; font-weight: 700; }
.brand__text small { font-size: 11px; color: var(--muted); font-weight: 500; letter-spacing: .04em; }

.nav__links { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 10px;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 500;
  transition: all .2s ease;
}
.nav__links a:hover { color: var(--primary-2); background: var(--primary-soft); }
.nav__links a.is-active { color: var(--primary-2); background: var(--primary-soft); }

.nav__actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 10px; right: 10px;
  height: 2px; background: var(--text); border-radius: 2px;
}
.nav-toggle span { top: 50%; transform: translateY(-50%); }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after  { top:  7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

/* 抽屉 */
.drawer-mask {
  position: fixed; inset: 0;
  background: rgba(12, 24, 32, 0.4);
  opacity: 0; visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
  z-index: 60;
}
.drawer-mask.is-open { opacity: 1; visibility: visible; }

.mobile-drawer {
  position: fixed; top: 0; right: 0;
  width: min(86vw, 360px); height: 100vh;
  background: var(--surface);
  padding: 32px 24px;
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.2,.7,.3,1);
  z-index: 70;
  overflow-y: auto;
}
.mobile-drawer.is-open { transform: translateX(0); box-shadow: -8px 0 40px rgba(0,0,0,.15); }
.mobile-drawer a { display: block; padding: 12px 8px; border-radius: 10px; font-weight: 500; color: var(--text); }
.mobile-drawer a:hover, .mobile-drawer a.is-active { background: var(--primary-soft); color: var(--primary-2); }
.mobile-drawer hr { border: none; border-top: 1px solid var(--line); margin: 18px 0; }
.mobile-drawer .btn { margin-top: 8px; }

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s ease;
  text-decoration: none;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--primary-2); color: #fff; }
.btn--primary:hover { background: #0a3c30; color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--primary-2); border-color: var(--primary-2); }
.btn--ghost:hover { background: var(--primary-soft); color: var(--primary-2); }
.btn--light { background: #fff; color: var(--primary-2); }
.btn--light:hover { background: var(--primary-soft); color: var(--primary-2); }
.btn--sm { padding: 8px 14px; font-size: 14px; }
.btn--lg { padding: 14px 22px; font-size: 16px; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--primary-2); font-weight: 600;
  font-size: 15px;
}
.link-arrow svg { width: 16px; height: 16px; transition: transform .2s ease; }
.link-arrow:hover svg { transform: translateX(3px); }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
}
.bg-aura, .bg-grid { position: absolute; inset: 0; pointer-events: none; }
.bg-aura i {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.bg-aura .a1 { width: 480px; height: 480px; background: radial-gradient(circle, rgba(16, 185, 129, .35), transparent 70%); top: -160px; left: -120px; }
.bg-aura .a2 { width: 520px; height: 520px; background: radial-gradient(circle, rgba(12, 74, 58, .28), transparent 70%); bottom: -200px; right: -180px; }
.bg-aura .a3 { width: 360px; height: 360px; background: radial-gradient(circle, rgba(245, 158, 11, .18), transparent 70%); top: 40%; left: 60%; }

.bg-grid {
  background-image:
    linear-gradient(to right, rgba(12, 74, 58, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(12, 74, 58, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 70%);
}

.hero__inner {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-soft);
  font-weight: 500;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}
.hero__badge svg { color: var(--primary); }

.hero__lead {
  font-size: 1.06rem;
  color: var(--text-soft);
  max-width: 580px;
}

.hero__meta {
  display: flex; gap: 18px; flex-wrap: wrap;
  margin-top: 22px;
}
.hero__meta span { display: inline-flex; align-items: center; gap: 6px; color: var(--text-soft); font-size: 14px; }
.hero__meta svg { width: 16px; height: 16px; color: var(--primary); }

.hero__visual { position: relative; min-height: 360px; }

/* 浮卡 */
.float-card {
  position: absolute;
  display: flex; align-items: center; gap: 12px;
  background: #fff;
  padding: 12px 16px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  z-index: 3;
}
.float-card--tl { top: -10px; left: -10px; animation: float 6s ease-in-out infinite; }
.float-card--br { bottom: 0; right: -10px; animation: float 6s ease-in-out infinite 3s; }
.float-card__icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary-2);
  display: flex; align-items: center; justify-content: center;
}
.float-card__label { display: block; font-size: 12px; color: var(--muted); }
.float-card__value { display: block; font-size: 18px; font-weight: 700; color: var(--primary-2); }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* 项目看板卡片 */
.hero-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  max-width: 440px;
  margin: 0 auto;
}
.hero-card__head {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}
.hero-card__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.18); }
.hero-card__live { margin-left: auto; font-size: 12px; color: var(--primary-2); background: var(--primary-soft); padding: 3px 10px; border-radius: 999px; }

.hero-card__list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 12px; }
.hero-card__list li {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 14px;
}
.hero-card__list .k { color: var(--text); }
.hero-card__list .v { color: var(--text-soft); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.ok { background: var(--primary); }
.dot.warn { background: var(--accent); }

.hero-card__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}
.hero-card__foot b { color: var(--primary-2); font-weight: 700; }

/* ==========================================================================
   客户标识 / 数据
   ========================================================================== */
.trust { padding: 32px 0 48px; }
.trust__label { text-align: center; color: var(--muted); font-size: 14px; margin: 0 0 18px; letter-spacing: .04em; }
.marquee { overflow: hidden; mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent); }
.marquee__track {
  display: inline-flex; gap: 32px;
  animation: marquee 40s linear infinite;
  white-space: nowrap;
  padding: 8px 0;
}
.marquee__item {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-soft);
  font-weight: 600;
  font-size: 16px;
  padding: 6px 0;
}
.marquee__item svg { color: var(--primary); width: 22px; height: 22px; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 32px;
  background: linear-gradient(135deg, #fff 0%, var(--primary-soft) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.stat { text-align: center; }
.stat__num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--primary-2);
  display: flex; align-items: baseline; justify-content: center; gap: 4px;
  line-height: 1.1;
}
.stat__num u { font-size: 1.4rem; text-decoration: none; color: var(--primary); }
.stat__label { color: var(--text-soft); font-size: 14px; margin-top: 6px; }

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

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--line);
  transition: all .25s ease;
  position: relative;
}
.card--glow:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(16, 185, 129, 0.35);
}
.card--simple { background: var(--surface-2); }
.card--person { text-align: center; }

.card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card__tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-2);
  font-weight: 600;
}

.icon-box {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary-2);
}
.icon-box svg { width: 24px; height: 24px; }
.icon-box--soft { background: var(--surface); border: 1px solid var(--line); color: var(--primary-2); }
.icon-box--big { width: 84px; height: 84px; border-radius: 22px; }
.icon-box--big svg { width: 42px; height: 42px; }

.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 84px; height: 84px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  font-size: 32px; font-weight: 700;
  margin-bottom: 14px;
}

/* ==========================================================================
   流程时间线（首页 + 案例页）
   ========================================================================== */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 28px; left: 5%; right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  opacity: .25;
}
.t-step {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  border: 1px solid var(--line);
  position: relative;
}
.t-step__num {
  width: 56px; height: 56px;
  margin: -48px auto 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 6px 18px rgba(12, 74, 58, 0.25);
  border: 4px solid var(--bg);
}
.t-step h4 { margin-top: 8px; }

/* 历史列表 */
.timeline-list {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
  position: relative;
}
.timeline-list::before {
  content: "";
  position: absolute;
  left: 110px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  opacity: .25;
}
.timeline-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  align-items: start;
}
.timeline-list__time {
  font-weight: 700;
  color: var(--primary-2);
  font-size: 14px;
  background: var(--primary-soft);
  padding: 8px 12px;
  border-radius: 10px;
  text-align: center;
  position: relative;
}
.timeline-list__time::after {
  content: "";
  position: absolute;
  top: 50%; right: -14px;
  width: 12px; height: 12px;
  background: var(--primary-2);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 0 4px var(--bg);
}
.timeline-list__body { background: var(--surface); border-radius: var(--radius); padding: 18px 22px; border: 1px solid var(--line); }
.timeline-list__body h4 { margin: 0 0 6px; }
.timeline-list__body p { margin: 0; font-size: 14px; }

/* ==========================================================================
   客户评价
   ========================================================================== */
.quote {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: all .25s ease;
}
.quote:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.quote__stars { color: var(--accent); margin-bottom: 14px; display: flex; gap: 2px; }
.quote__stars svg { width: 18px; height: 18px; }
.quote p { flex: 1; }
.quote__who { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.quote__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-2);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px;
}
.quote__name { display: block; font-weight: 700; }
.quote__role { display: block; font-size: 13px; color: var(--muted); }

/* ==========================================================================
   折叠 FAQ
   ========================================================================== */
.accordion { display: grid; gap: 12px; }
.acc-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .2s ease;
}
.acc-item[data-open] { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1); }
.acc-head {
  width: 100%;
  background: transparent;
  border: none;
  padding: 18px 22px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.acc-icon {
  width: 14px; height: 14px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .25s ease;
  flex-shrink: 0;
}
.acc-item[data-open] .acc-icon { transform: rotate(-135deg); border-color: var(--primary-2); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.acc-item[data-open] .acc-body { max-height: 400px; }
.acc-body__inner { padding: 0 22px 20px; color: var(--text-soft); }

/* ==========================================================================
   检查列表
   ========================================================================== */
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.check-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 15px;
  color: var(--text);
}
.check-list li svg {
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: 4px;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 50%;
  padding: 2px;
}
.check-list li.is-off { color: var(--muted); }
.check-list li.is-off svg { color: var(--muted); background: var(--bg-soft); }

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-band {
  background: linear-gradient(135deg, var(--primary-2) 0%, #06412f 100%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: -120px; right: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.45), transparent 70%);
  filter: blur(60px);
}
.cta-band__inner { position: relative; display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.85); max-width: 580px; margin-bottom: 0; }

/* ==========================================================================
   子页 Hero
   ========================================================================== */
.page-hero {
  position: relative;
  padding: 90px 0 70px;
  overflow: hidden;
  text-align: center;
}
.page-hero__inner { max-width: 760px; margin: 0 auto; position: relative; z-index: 2; }
.page-hero h1 { margin-top: 12px; }
.page-hero p { color: var(--text-soft); font-size: 1.06rem; }

.chip-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 26px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--text-soft);
}
.chip svg { width: 16px; height: 16px; color: var(--primary); }
.chip--link { transition: all .2s ease; }
.chip--link:hover { color: var(--primary-2); border-color: var(--primary); background: var(--primary-soft); }

/* ==========================================================================
   服务行（service.php）
   ========================================================================== */
.service-row {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.service-row:last-child { border-bottom: none; }
.service-row--reverse .service-row__visual { order: 2; }
.service-row__visual { position: relative; text-align: center; }
.service-row__halo {
  position: absolute; inset: 20px;
  background: linear-gradient(135deg, var(--primary-soft), transparent);
  border-radius: var(--radius-lg);
  filter: blur(30px);
  z-index: -1;
}
.service-row h3 { font-size: 1.5rem; margin-bottom: 12px; }

/* ==========================================================================
   价格方案
   ========================================================================== */
.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.plan {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  border: 1px solid var(--line);
  position: relative;
  display: flex; flex-direction: column;
  transition: all .25s ease;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.plan--featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
  background: linear-gradient(180deg, #fff 0%, var(--primary-soft) 100%);
}
.plan__tag {
  position: absolute; top: -12px; right: 20px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.plan__name { font-size: 1.3rem; font-weight: 700; }
.plan__desc { color: var(--text-soft); font-size: 14px; min-height: 56px; }
.plan__price {
  display: flex; align-items: baseline; gap: 4px;
  margin: 18px 0 6px;
}
.plan__price u { font-size: 1.2rem; color: var(--primary-2); text-decoration: none; margin-right: 2px; }
.plan__price b { font-size: 2.4rem; font-weight: 800; color: var(--primary-2); }
.plan__price em { font-size: 14px; color: var(--muted); font-style: normal; }
.plan__note { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.plan__list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; flex: 1; }

/* ==========================================================================
   案例页
   ========================================================================== */
.case-grid { display: grid; gap: 36px; }
.case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.case-card--reverse .case-card__cover { order: 2; }
.case-card__cover {
  position: relative;
  min-height: 280px;
  display: flex; align-items: flex-end;
  padding: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-2) 0%, #06412f 100%);
  overflow: hidden;
}
.case-card__cover::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(16, 185, 129, .25) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(245, 158, 11, .18) 0%, transparent 40%);
}
.case-card__cover[data-industry="教育培训"] { background: linear-gradient(135deg, #5b21b6 0%, #1e1b4b 100%); }
.case-card__cover[data-industry="生活服务"] { background: linear-gradient(135deg, #b45309 0%, #78350f 100%); }
.case-card__cover[data-industry="健康医疗"] { background: linear-gradient(135deg, #047857 0%, #064e3b 100%); }
.case-card__cover[data-industry="物流运输"] { background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%); }
.case-card__cover[data-industry="电商零售"] { background: linear-gradient(135deg, #be185d 0%, #831843 100%); }
.case-card__cover-label { position: relative; z-index: 1; font-size: 22px; font-weight: 700; }
.case-card__tag {
  position: absolute; top: 18px; left: 18px;
  background: rgba(255,255,255,.95);
  color: var(--primary-2);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  z-index: 2;
}
.case-card__body { padding: 30px; display: flex; flex-direction: column; gap: 10px; }
.case-card__body h4 { margin: 8px 0 4px; color: var(--primary-2); font-size: 14px; }
.case-card__body .btn { margin-top: auto; align-self: flex-start; }

/* mini-card */
.mini-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--line);
  transition: all .2s ease;
}
.mini-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.mini-price { margin: 12px 0 6px; display: flex; align-items: baseline; gap: 4px; }
.mini-price u { font-size: 14px; color: var(--primary-2); text-decoration: none; }
.mini-price b { font-size: 1.6rem; color: var(--primary-2); }
.mini-price em { font-size: 13px; color: var(--muted); font-style: normal; }

/* ==========================================================================
   关于我们页
   ========================================================================== */
.visit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.visit-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--line);
}
.visit-card h4 { margin: 12px 0 8px; }

/* ==========================================================================
   联系页
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 36px;
}
.contact-side { background: var(--surface); border-radius: var(--radius-lg); padding: 30px; border: 1px solid var(--line); height: fit-content; position: sticky; top: 100px; }
.contact-side h3 { margin-bottom: 16px; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; }
.contact-list__icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary-2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-list b { display: block; font-size: 13px; color: var(--muted); margin-bottom: 2px; }
.contact-list a { font-weight: 600; color: var(--primary-2); }
.contact-list small { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.contact-side__cta { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.contact-side__qr { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.contact-side__qr-box {
  background: var(--bg-soft);
  padding: 16px 12px;
  border-radius: 12px;
  text-align: center;
  font-size: 13px;
}
.contact-side__qr-box b { display: block; color: var(--primary-2); margin: 6px 0 4px; font-size: 14px; }

.contact-form-wrap { background: var(--surface); border-radius: var(--radius-lg); padding: 36px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.contact-form h3 { margin-bottom: 4px; }
.contact-form .muted { font-size: 14px; margin-bottom: 22px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; }
.form-grid span,
.form-textarea > span { font-size: 14px; font-weight: 600; color: var(--text); }
.form-grid span i,
.form-textarea > span i { color: var(--danger); margin-left: 2px; font-style: normal; }

input[type="text"], input[type="tel"], input[type="email"], select, textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-soft);
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  transition: all .2s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}
.form-textarea { display: flex; flex-direction: column; gap: 6px; margin-top: 16px; }
textarea { resize: vertical; min-height: 100px; }

.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 22px; }
.form-actions__tip { font-size: 12px; color: var(--muted); }

.form-error {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  border-radius: 10px;
  background: #fef2f2;
  color: var(--danger);
  font-size: 14px;
  margin-bottom: 16px;
}
.form-success {
  text-align: center;
  padding: 30px 10px;
}
.form-success__icon { display: inline-flex; align-items: center; justify-content: center; width: 64px; height: 64px; border-radius: 50%; background: var(--primary-soft); color: var(--primary-2); margin-bottom: 16px; }
.form-success__icon svg { width: 36px; height: 36px; }
.form-success h3 { color: var(--primary-2); }
.form-success details { margin-top: 18px; text-align: left; max-width: 480px; margin-left: auto; margin-right: auto; background: var(--bg-soft); padding: 14px 18px; border-radius: 12px; }
.form-success summary { cursor: pointer; font-weight: 600; color: var(--primary-2); }
.form-success__list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; font-size: 14px; }
.form-success__list li { display: flex; justify-content: space-between; gap: 12px; }
.form-success__list span { color: var(--muted); }
.form-success__list b { color: var(--text); font-weight: 600; word-break: break-all; text-align: right; }

/* ==========================================================================
   404 页
   ========================================================================== */
.error-page {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
  text-align: center;
}
.error-page__code {
  font-size: clamp(7rem, 18vw, 14rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -.04em;
}
.error-page__links { margin-top: 26px; color: var(--muted); font-size: 14px; }
.error-page__links a { color: var(--primary-2); margin: 0 8px; }
.error-page__links a:hover { text-decoration: underline; }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  background: var(--bg-deep);
  color: #cbd2ce;
  padding: 64px 0 28px;
  margin-top: 40px;
}
.site-footer .brand__text { color: #fff; }
.site-footer .brand__text small { color: rgba(255,255,255,.5); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand__desc { font-size: 14px; color: rgba(255,255,255,.65); margin-top: 12px; max-width: 320px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
}
.footer-social a:hover { background: var(--primary); color: #fff; }

.footer-col h5 { color: #fff; margin-bottom: 14px; font-size: 15px; }
.footer-col a, .footer-col .line {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255,255,255,.7);
}
.footer-col a:hover, .footer-col .line:hover { color: var(--primary); }
.footer-col .line svg { width: 16px; height: 16px; color: var(--primary); flex-shrink: 0; }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding-top: 22px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  flex-wrap: wrap;
}
.footer-bottom__links { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.footer-bottom__links .icp {
  display: inline-flex; align-items: center; gap: 6px;
  color: rgba(255,255,255,.7);
}
.footer-bottom__links .icp:hover { color: var(--primary); }
.footer-bottom__links svg { width: 14px; height: 14px; }

/* ==========================================================================
   入场动画（仅 JS 启用时生效）
   ========================================================================== */
.js [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.js [data-reveal].is-in { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 36px; }
  .hero__visual { max-width: 460px; margin: 0 auto; }
  .stats { grid-template-columns: repeat(2, 1fr); padding: 24px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-side { position: static; }
  .service-row { grid-template-columns: 1fr; gap: 24px; padding: 36px 0; }
  .service-row--reverse .service-row__visual { order: 0; }
  .case-card { grid-template-columns: 1fr; gap: 0; }
  .case-card--reverse .case-card__cover { order: 0; }
  .case-card__cover { min-height: 200px; }
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 36px; }
  .timeline::before { display: none; }
  .visit-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-band { padding: 40px 28px; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__actions .btn { display: none; }
  .nav-toggle { display: block; }
  .hero { padding: 70px 0 60px; }
  .page-hero { padding: 60px 0 40px; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 30px; }
  .grid-3, .grid-4, .price-grid, .stats, .visit-grid, .timeline, .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .contact-form-wrap, .contact-side { padding: 24px; }
  .cta-band { padding: 32px 22px; }
  .cta-band__inner { gap: 22px; }
  .timeline-list li { grid-template-columns: 1fr; gap: 8px; }
  .timeline-list::before { left: 12px; }
  .timeline-list__time::after { right: auto; left: -10px; }
  .timeline-list__time { width: fit-content; }
  .hero-card { max-width: none; }
  .hero-card__foot { flex-wrap: wrap; gap: 8px; }
}

/* ==========================================================================
   滚动条
   ========================================================================== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ==========================================================================
   选区颜色
   ========================================================================== */
::selection { background: var(--primary-soft); color: var(--primary-2); }