/* ===== 无锡微易 - 全局样式 ===== */

:root {
  /* 品牌主色 - 源自LOGO */
  --brand-orange: #F37021;
  --brand-orange-dark: #D85A12;
  --brand-orange-light: #FF8A4C;
  --brand-green: #00A651;
  --brand-green-dark: #008C45;
  --brand-green-light: #1FBF6A;

  /* 中性色 */
  --ink-900: #0F172A;
  --ink-800: #1E293B;
  --ink-700: #334155;
  --ink-600: #475569;
  --ink-500: #64748B;
  --ink-400: #94A3B8;
  --ink-300: #CBD5E1;
  --ink-200: #E2E8F0;
  --ink-100: #F1F5F9;
  --ink-50:  #F8FAFC;

  /* 渐变 */
  --grad-hero: linear-gradient(135deg, #FFF5EC 0%, #F8FAFC 40%, #ECFDF5 100%);
  --grad-orange: linear-gradient(135deg, #F37021 0%, #FF8A4C 100%);
  --grad-green: linear-gradient(135deg, #00A651 0%, #1FBF6A 100%);
  --grad-dark: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-xl: 0 24px 64px rgba(15, 23, 42, 0.12);
  --shadow-glow-orange: 0 16px 48px rgba(243, 112, 33, 0.25);
  --shadow-glow-green: 0 16px 48px rgba(0, 166, 81, 0.25);

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-2xl: 36px;

  /* 动效 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-800);
  background: #ffffff;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease-out); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ===== 排版 ===== */
.font-display {
  font-family: "Source Han Sans SC", "Noto Serif SC", "Noto Sans SC", serif;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.font-mono { font-family: "JetBrains Mono", "SF Mono", monospace; }

h1, h2, h3, h4 { color: var(--ink-900); font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; }

/* ===== 通用容器 ===== */
.container-x { max-width: 1280px; margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }
@media (min-width: 768px) { .container-x { padding-left: 32px; padding-right: 32px; } }
@media (min-width: 1024px) { .container-x { padding-left: 48px; padding-right: 48px; } }

.section-pad { padding-top: 80px; padding-bottom: 80px; }
@media (max-width: 768px) { .section-pad { padding-top: 56px; padding-bottom: 56px; } }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; min-height: 48px; padding: 0 24px;
  font-weight: 600; font-size: 15px; border-radius: 999px;
  transition: all .25s var(--ease-out); position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-orange); color: #fff;
  box-shadow: var(--shadow-glow-orange);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 24px 56px rgba(243, 112, 33, 0.35); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--ink-900); color: #fff;
}
.btn-secondary:hover { background: var(--ink-800); transform: translateY(-2px); }

.btn-outline {
  background: rgba(255,255,255,0.08); color: #fff; backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-outline:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }

.btn-ghost {
  background: transparent; color: var(--ink-800); border: 1px solid var(--ink-200);
}
.btn-ghost:hover { border-color: var(--brand-orange); color: var(--brand-orange); }

.btn-sm { min-height: 40px; padding: 0 18px; font-size: 14px; }

/* ===== 导航栏 ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--ink-200);
  transition: all .3s var(--ease-out);
}
.nav.scrolled { box-shadow: var(--shadow-md); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 44px; width: auto; display: block; }
@media (max-width: 640px) { .nav-logo img { height: 38px; } }
.nav-menu { display: none; align-items: center; gap: 4px; }
@media (min-width: 900px) { .nav-menu { display: flex; } }
.nav-link {
  padding: 8px 16px; font-size: 15px; font-weight: 500;
  color: var(--ink-700); border-radius: 999px;
  transition: all .2s var(--ease-out); position: relative;
}
.nav-link:hover { color: var(--brand-orange); background: rgba(243,112,33,0.06); }
.nav-link.active { color: var(--brand-orange); }
.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }
.nav-mobile { display: inline-flex; }
@media (min-width: 900px) { .nav-mobile { display: none; } }

/* 下拉菜单 */
.nav-dropdown { position: relative; display: inline-flex; align-items: center; }
.nav-dropdown-toggle { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; background: none; border: 0; font: inherit; color: inherit; }
.nav-dropdown-toggle .caret { transition: transform .2s var(--ease-out); }
.nav-dropdown.open .caret, .nav-dropdown:hover .caret { transform: rotate(180deg); color: var(--brand-orange); }
.nav-dropdown-menu {
  position: absolute !important; top: 100%; left: 0; min-width: 320px;
  display: block !important; flex-direction: column; gap: 2px;
  background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 8px; margin-top: 10px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .2s var(--ease-out); z-index: 60;
  list-style: none;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown-item {
  display: flex !important; gap: 14px; padding: 12px 14px;
  border-radius: var(--radius-md); align-items: flex-start;
  text-decoration: none; color: inherit; width: 100%;
  transition: background .2s var(--ease-out);
}
.nav-dropdown-item:hover { background: var(--ink-50); }
.nav-dropdown-ico {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 12px;
  display: flex !important; align-items: center; justify-content: center;
  color: #fff; background: var(--c, var(--brand-orange));
}
.nav-dropdown-text { display: flex !important; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.nav-dropdown-title { font-weight: 700; font-size: 15px; color: var(--ink-900); line-height: 1.3; }
.nav-dropdown-desc { font-size: 12.5px; color: var(--ink-500); line-height: 1.4; }

.nav-mobile-btn {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink-100); color: var(--ink-800);
}
.nav-mobile-drawer {
  position: fixed; inset: 0; z-index: 60; pointer-events: none;
  opacity: 0; transition: opacity .3s var(--ease-out);
}
.nav-mobile-drawer.open { opacity: 1; pointer-events: auto; }
.nav-mobile-backdrop { position: absolute; inset: 0; background: rgba(15,23,42,0.4); backdrop-filter: blur(4px); }
.nav-mobile-panel {
  position: absolute; top: 0; right: 0; height: 100%; width: min(320px, 86vw);
  background: #fff; padding: 24px; display: flex; flex-direction: column; gap: 8px;
  transform: translateX(100%); transition: transform .35s var(--ease-out);
  box-shadow: -16px 0 48px rgba(15,23,42,0.18);
}
.nav-mobile-drawer.open .nav-mobile-panel { transform: translateX(0); }
.nav-mobile-close { width: 44px; height: 44px; border-radius: 12px; align-self: flex-end; display: flex; align-items: center; justify-content: center; background: var(--ink-100); }
.nav-mobile-link {
  display: block; padding: 16px 12px; font-size: 16px; font-weight: 600;
  color: var(--ink-800); border-radius: 12px;
}
.nav-mobile-link.active { color: var(--brand-orange); background: rgba(243,112,33,0.08); }

/* ===== 标签 / 徽章 ===== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  background: rgba(243, 112, 33, 0.1); color: var(--brand-orange);
  border: 1px solid rgba(243, 112, 33, 0.15);
}
.eyebrow-green { background: rgba(0, 166, 81, 0.08); color: var(--brand-green); border-color: rgba(0, 166, 81, 0.15); }
.eyebrow-dark { background: rgba(15, 23, 42, 0.06); color: var(--ink-700); border-color: rgba(15, 23, 42, 0.08); }

/* ===== 通用标题 ===== */
.section-title { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; margin: 0 0 16px; }
.section-sub { color: var(--ink-500); font-size: clamp(15px, 1.6vw, 18px); max-width: 640px; }
.section-head { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; margin-bottom: 56px; }
.section-head.center { align-items: center; text-align: center; }
.section-head.center .section-sub { margin: 0 auto; }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; background: var(--grad-hero); }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(243,112,33,0.18), transparent 42%),
    radial-gradient(circle at 82% 78%, rgba(0,166,81,0.16), transparent 42%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.4;
  background-image: linear-gradient(rgba(15,23,42,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.hero-inner { position: relative; z-index: 1; padding-top: 80px; padding-bottom: 80px; }
@media (max-width: 768px) { .hero-inner { padding-top: 48px; padding-bottom: 48px; } }
.hero-grid {
  display: grid; gap: 56px;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.1fr 1fr; gap: 80px; }
}
.hero-title {
  font-size: clamp(36px, 6.4vw, 72px);
  line-height: 1.05; letter-spacing: -0.03em;
  margin: 20px 0 24px;
}
.hero-title .accent-orange { color: var(--brand-orange); }
.hero-title .accent-green { color: var(--brand-green); }
.hero-sub { font-size: clamp(16px, 1.8vw, 20px); color: var(--ink-600); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--ink-200); }
.hero-stat-num { font-size: clamp(28px, 4vw, 44px); font-weight: 800; color: var(--ink-900); line-height: 1; }
.hero-stat-num .unit { color: var(--brand-orange); font-size: 0.6em; margin-left: 2px; }
.hero-stat-label { font-size: 13px; color: var(--ink-500); margin-top: 8px; }

/* Hero 装饰卡 */
.hero-visual { position: relative; height: 460px; }
@media (max-width: 1023px) { .hero-visual { height: 360px; } }
.hero-card {
  position: absolute; padding: 20px 22px; background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); border: 1px solid var(--ink-200);
  transition: transform .4s var(--ease-out);
}
.hero-card:hover { transform: translateY(-6px); }
.hero-card-1 {
  top: 0; left: 0; right: 30%; padding: 24px;
  background: var(--grad-orange); color: #fff; border: none;
}
.hero-card-1 .num { font-size: 56px; font-weight: 800; line-height: 1; }
.hero-card-1 .lbl { font-size: 14px; opacity: 0.9; margin-top: 8px; }
.hero-card-2 { top: 90px; right: 0; left: 38%; }
.hero-card-2 .ttl { font-weight: 700; color: var(--ink-900); font-size: 15px; }
.hero-card-2 .meta { color: var(--ink-500); font-size: 13px; margin-top: 4px; }
.hero-card-3 { bottom: 0; left: 6%; right: 38%; }
.hero-card-3 .row { display: flex; align-items: center; gap: 10px; }
.hero-card-3 .ico {
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(0,166,81,0.1); color: var(--brand-green);
  display: flex; align-items: center; justify-content: center;
}
.hero-card-3 .txt { font-size: 14px; color: var(--ink-800); font-weight: 500; }
.hero-card-4 { bottom: 110px; right: 4%; left: 56%; padding: 18px 20px; }
.hero-card-4 .pill { display: inline-block; padding: 4px 10px; border-radius: 999px; background: rgba(243,112,33,0.12); color: var(--brand-orange); font-size: 12px; font-weight: 600; }
.hero-card-4 .txt { margin-top: 8px; font-size: 14px; color: var(--ink-700); }
.hero-blob {
  position: absolute; border-radius: 50%; filter: blur(50px); opacity: 0.5; pointer-events: none;
}
.hero-blob-1 { width: 240px; height: 240px; background: var(--brand-orange); top: -60px; right: -60px; opacity: 0.25; }
.hero-blob-2 { width: 200px; height: 200px; background: var(--brand-green); bottom: -40px; left: -40px; opacity: 0.22; }

/* ===== 卡片 ===== */
.card { background: #fff; border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--ink-200); transition: all .3s var(--ease-out); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(243,112,33,0.3); }
.card-ico {
  width: 56px; height: 56px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad-orange); color: #fff; margin-bottom: 20px;
  box-shadow: var(--shadow-glow-orange);
}
.card-ico.green { background: var(--grad-green); box-shadow: var(--shadow-glow-green); }
.card-ico.dark { background: var(--grad-dark); box-shadow: var(--shadow-md); }
.card-ico.outline { background: rgba(243,112,33,0.08); color: var(--brand-orange); box-shadow: none; border: 1px solid rgba(243,112,33,0.18); }
.card-title { font-size: 20px; font-weight: 700; margin: 0 0 12px; color: var(--ink-900); }
.card-text { color: var(--ink-500); font-size: 15px; line-height: 1.7; }

/* ===== 数据条 ===== */
.stat-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (min-width: 768px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }
.stat {
  padding: 28px 24px; background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--ink-200); text-align: left;
}
.stat-num { font-size: clamp(32px, 4vw, 44px); font-weight: 800; color: var(--ink-900); line-height: 1; }
.stat-num .suffix { color: var(--brand-orange); font-size: 0.6em; }
.stat-lbl { color: var(--ink-500); font-size: 14px; margin-top: 8px; }

/* ===== Footer ===== */
.footer { background: var(--ink-900); color: var(--ink-300); padding: 64px 0 32px; }
.footer a { color: var(--ink-300); }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 48px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 56px; } }
.footer h4 { color: #fff; font-size: 15px; font-weight: 700; margin: 0 0 18px; letter-spacing: 0.05em; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-brand p { color: var(--ink-400); font-size: 14px; margin: 16px 0 20px; line-height: 1.7; }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo img { height: 32px; filter: brightness(0) invert(1); }
.footer-logo-text { color: #fff; font-weight: 700; font-size: 16px; }
.footer-contact-item { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--ink-300); line-height: 1.6; }
.footer-contact-item .ic { flex-shrink: 0; color: var(--brand-orange); margin-top: 3px; }
.footer-bottom {
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; flex-direction: column; gap: 8px; align-items: center; text-align: center;
  font-size: 13px; color: var(--ink-400);
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}
.footer-bottom a { color: var(--ink-400); }
.footer-bottom a:hover { color: #fff; }

/* ===== 装饰 ===== */
.divider { height: 1px; background: var(--ink-200); }
.bg-soft { background: var(--ink-50); }
.bg-dark { background: var(--ink-900); color: #fff; }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: #fff; }
.bg-dark .section-sub { color: var(--ink-300); }

/* ===== 动画 ===== */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.fade-up.in { opacity: 1; transform: translateY(0); }
.fade-up[data-d="1"] { transition-delay: .08s; }
.fade-up[data-d="2"] { transition-delay: .16s; }
.fade-up[data-d="3"] { transition-delay: .24s; }
.fade-up[data-d="4"] { transition-delay: .32s; }
.fade-up[data-d="5"] { transition-delay: .40s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .fade-up { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ===== 焦点态 ===== */
:focus-visible { outline: 3px solid var(--brand-orange); outline-offset: 3px; border-radius: 6px; }
.btn:focus-visible { outline-offset: 4px; }

/* ===== 表格 / 表单 ===== */
.form-input {
  width: 100%; min-height: 48px; padding: 0 16px;
  border: 1px solid var(--ink-200); border-radius: 12px;
  background: #fff; font-size: 15px; color: var(--ink-800);
  transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}
.form-input:focus { border-color: var(--brand-orange); box-shadow: 0 0 0 4px rgba(243,112,33,0.12); outline: none; }
textarea.form-input { min-height: 132px; padding: 14px 16px; resize: vertical; line-height: 1.6; }
.form-label { display: block; font-size: 14px; font-weight: 600; color: var(--ink-800); margin-bottom: 8px; }

/* ===== 链接箭头 ===== */
.link-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--brand-orange); font-weight: 600; font-size: 14px; }
.link-arrow svg { transition: transform .2s var(--ease-out); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ===== Tab ===== */
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--ink-100); border-radius: 999px; flex-wrap: wrap; }
.tab {
  padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: var(--ink-600); transition: all .2s var(--ease-out);
}
.tab.active { background: #fff; color: var(--ink-900); box-shadow: var(--shadow-sm); }

/* ===== 流程时间线 ===== */
.timeline { position: relative; }
.timeline::before { content: ""; position: absolute; left: 16px; top: 0; bottom: 0; width: 2px; background: var(--ink-200); }
@media (min-width: 768px) { .timeline::before { left: 50%; transform: translateX(-50%); } }
.tl-item { position: relative; padding-left: 48px; padding-bottom: 32px; }
@media (min-width: 768px) { .tl-item { padding-left: 0; width: 50%; } .tl-item:nth-child(even) { margin-left: 50%; padding-left: 56px; } .tl-item:nth-child(odd) { padding-right: 56px; text-align: right; } }
.tl-dot { position: absolute; left: 8px; top: 8px; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 4px solid var(--brand-orange); }
@media (min-width: 768px) { .tl-dot { left: auto; right: -9px; } .tl-item:nth-child(even) .tl-dot { left: -9px; right: auto; } }
.tl-year { font-size: 14px; font-weight: 700; color: var(--brand-orange); margin-bottom: 4px; }
.tl-title { font-size: 18px; font-weight: 700; color: var(--ink-900); margin: 0 0 8px; }
.tl-text { color: var(--ink-500); font-size: 14px; line-height: 1.7; }

/* ===== 业务详情页 ===== */
/* 面包屑 */
.biz-crumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-400); margin-bottom: 20px; }
.biz-crumbs a { color: var(--ink-500); }
.biz-crumbs a:hover { color: var(--brand-orange); }
.biz-crumbs span { color: var(--ink-300); }

/* 版块 Hero */
.biz-hero { position: relative; padding: 96px 0 72px; overflow: hidden; background: var(--grad-hero); border-bottom: 1px solid var(--ink-100); }
.biz-hero-glow { position: absolute; inset: 0; background-image: radial-gradient(circle at 15% 20%, color-mix(in srgb, var(--bc) 16%, transparent), transparent 45%), radial-gradient(circle at 85% 80%, color-mix(in srgb, var(--bc) 12%, transparent), transparent 45%); pointer-events: none; }
.biz-hero .container-x { position: relative; z-index: 1; }
.biz-hero-title { font-size: clamp(34px, 6vw, 60px); line-height: 1.1; color: var(--ink-900); margin: 12px 0 20px; }
.biz-hero-sub { max-width: 720px; font-size: 17px; line-height: 1.85; color: var(--ink-600); }
.biz-hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.biz-hero-tags span { padding: 8px 16px; font-size: 14px; font-weight: 600; color: var(--bc); background: color-mix(in srgb, var(--bc) 10%, #fff); border: 1px solid color-mix(in srgb, var(--bc) 22%, transparent); border-radius: 999px; }

/* 业务总览卡片 */
.biz-card { position: relative; background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-xl); padding: 36px 32px; display: flex; flex-direction: column; transition: all .3s var(--ease-out); overflow: hidden; }
.biz-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--bc); }
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--bc) 40%, var(--ink-200)); }
.biz-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.biz-card-ico { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; color: #fff; background: var(--bc); }
.biz-card-no { font-family: 'JetBrains Mono', monospace; font-size: 22px; font-weight: 700; color: color-mix(in srgb, var(--bc) 30%, var(--ink-200)); }
.biz-card-title { font-size: 23px; font-weight: 800; color: var(--ink-900); margin: 0 0 12px; }
.biz-card-desc { font-size: 15px; line-height: 1.75; color: var(--ink-600); margin: 0 0 20px; }
.biz-card-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.biz-card-list li { padding: 6px 14px; font-size: 13.5px; font-weight: 500; color: var(--ink-700); background: var(--ink-50); border-radius: 999px; }

/* 子服务列表 / 流程 */
.mini-list { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-direction: column; gap: 8px; }
.mini-list li { position: relative; padding-left: 20px; font-size: 14px; color: var(--ink-600); }
.mini-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand-orange); font-weight: 700; }

.process-grid { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .process-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .process-grid { grid-template-columns: repeat(6, 1fr); } }
.process-step { background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg); padding: 24px 20px; text-align: center; transition: all .2s var(--ease-out); }
.process-step:hover { border-color: var(--brand-orange); box-shadow: var(--shadow-md); }
.process-no { font-family: 'JetBrains Mono', monospace; font-size: 18px; font-weight: 700; color: var(--brand-orange); }
.process-step h4 { margin: 8px 0 6px; font-size: 16px; font-weight: 700; color: var(--ink-900); }
.process-step p { font-size: 13px; line-height: 1.7; color: var(--ink-500); }

/* 移动端导航子菜单 */
.nav-mobile-sub { padding: 4px 0; }
.nav-mobile-sub-title { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-400); padding: 8px 16px; }
.nav-mobile-sub-link { font-size: 14px; padding-left: 32px; color: var(--ink-600); }