/* ==========================================================================
   湖北多扬网络科技有限公司 · 官网样式表
   设计基调：深海军蓝 + 可信蓝，简约大气，信息层级清晰
   适配：PC（>=1200）/ 平板（768-1199）/ 手机（<=767）
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --ink: #0b1220;
  --ink-2: #0f172a;
  --ink-3: #16233a;
  --text: #111c2e;
  --text-2: #33415c;
  --muted: #5a6b85;
  --accent: #0b63d6;
  --accent-dark: #0a54b8;
  --accent-light: #4c9bff;
  --accent-soft: #eaf2fe;
  --accent-soft-2: #f3f8ff;
  --line: #e4e9f2;
  --line-2: #eef2f8;
  --bg: #f6f8fc;
  --white: #ffffff;
  --amber: #b45309;
  --radius-lg: 18px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 10px 26px -18px rgba(15, 23, 42, .25);
  --shadow-md: 0 2px 4px rgba(15, 23, 42, .04), 0 24px 56px -32px rgba(15, 23, 42, .35);
  --container: 1200px;
  --header-h: 76px;
  --t: .2s cubic-bezier(.4, 0, .2, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans CJK SC", "WenQuanYi Micro Hei", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

/* ---------- 2. 基础重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-2);
  letter-spacing: -.2px;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { max-width: 100%; vertical-align: middle; }
a { color: var(--accent); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--accent-dark); }
button { font-family: inherit; }
table { border-collapse: collapse; width: 100%; }
strong, b { font-weight: 700; color: var(--ink-2); }

:focus-visible {
  outline: 3px solid rgba(11, 99, 214, .55);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 2000;
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 0 0 8px 8px;
  transition: top var(--t);
}
.skip-link:focus { top: 0; color: #fff; }

.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 3. 顶部信息条 ---------- */
.topbar {
  background: var(--ink);
  color: #9db0ca;
  font-size: 13px;
  line-height: 1;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  gap: 20px;
}
.topbar-list {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #9db0ca;
  white-space: nowrap;
}
.topbar-item .ico { width: 14px; height: 14px; stroke-width: 1.8; color: #6f88a8; }
.topbar-item strong { color: #dbe6f5; font-weight: 600; }
a.topbar-item:hover { color: #fff; }
.topbar-right { color: #7d90ab; white-space: nowrap; }
.topbar-right a { color: #9db0ca; }
.topbar-right a:hover { color: #fff; }

/* ---------- 4. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--t), background var(--t);
}
.site-header.is-stuck {
  box-shadow: 0 12px 30px -22px rgba(15, 23, 42, .55);
  backdrop-filter: saturate(160%) blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--header-h);
}

/* 文字标识（不使用图片 LOGO） */
.brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 0 0 auto;
  color: var(--ink-2);
  line-height: 1.2;
  padding: 6px 0;
}
.brand:hover { color: var(--ink-2); }
.brand-name {
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--ink-2);
}
.brand-sub {
  margin-top: 5px;
  font-size: 11.5px;
  letter-spacing: 2.4px;
  color: var(--muted);
  font-weight: 500;
}

.main-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-list > li > a {
  position: relative;
  display: block;
  padding: 0 13px;
  height: var(--header-h);
  line-height: var(--header-h);
  font-size: 15px;
  color: var(--text-2);
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--t);
}
.nav-list > li > a::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.nav-list > li > a:hover { color: var(--accent); }
.nav-list > li > a:hover::after { transform: scaleX(.6); }
.nav-list > li > a[aria-current="page"] { color: var(--accent); font-weight: 600; }
.nav-list > li > a[aria-current="page"]::after { transform: scaleX(1); }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .3px;
  box-shadow: 0 10px 22px -12px rgba(11, 99, 214, .85);
  transition: background var(--t), transform var(--t), box-shadow var(--t);
}
.header-cta:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -12px rgba(11, 99, 214, .9);
}
.header-cta .ico { width: 17px; height: 17px; stroke-width: 2; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color var(--t), background var(--t);
}
.nav-toggle:hover { border-color: #c9d5e6; background: var(--bg); }
.nav-toggle .ico { width: 22px; height: 22px; }

/* ---------- 5. 移动端抽屉导航 ---------- */
.drawer-mask {
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(8, 15, 28, .52);
  opacity: 0;
  visibility: hidden;
  transition: opacity .28s ease, visibility .28s ease;
}
.drawer-mask.is-open { opacity: 1; visibility: visible; }

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  width: min(84vw, 336px);
  display: flex;
  flex-direction: column;
  background: #fff;
  transform: translateX(102%);
  transition: transform .3s cubic-bezier(.4, 0, .2, 1);
  box-shadow: -20px 0 60px -30px rgba(8, 15, 28, .6);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.drawer.is-open { transform: translateX(0); }
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}
.drawer-title { font-size: 17px; font-weight: 700; letter-spacing: .5px; }
.drawer-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--text-2);
  cursor: pointer;
}
.drawer-close .ico { width: 20px; height: 20px; }
.drawer-nav { padding: 8px 20px 4px; }
.drawer-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  font-size: 16px;
  color: var(--text);
  border-bottom: 1px dashed var(--line);
}
.drawer-nav a .ico { width: 16px; height: 16px; color: #b7c3d6; }
.drawer-nav a[aria-current="page"] { color: var(--accent); font-weight: 600; }
.drawer-foot {
  margin-top: auto;
  padding: 20px;
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.drawer-foot .label { font-size: 12.5px; color: var(--muted); letter-spacing: 1px; }
.drawer-tel {
  display: block;
  margin: 6px 0 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .5px;
}
.drawer-addr { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* ---------- 6. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .3px;
  cursor: pointer;
  transition: all var(--t);
}
.btn .ico { width: 17px; height: 17px; stroke-width: 2; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 14px 28px -14px rgba(11, 99, 214, .85);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 18px 32px -14px rgba(11, 99, 214, .9);
}
.btn-ghost {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .3);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .14); color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn-outline {
  background: #fff;
  border-color: #cfdaea;
  color: var(--ink-2);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft-2); }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: 14px; }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--accent);
}
.link-more .ico { width: 15px; height: 15px; transition: transform var(--t); }
.link-more:hover .ico { transform: translateX(4px); }

/* ---------- 7. 首页首屏 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #eaf1fb;
  background:
    radial-gradient(1200px 520px at 15% -10%, rgba(11, 99, 214, .55), transparent 62%),
    linear-gradient(155deg, #0a1120 4%, #10233d 56%, #0d1a2e 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(ellipse 85% 65% at 45% 0%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 85% 65% at 45% 0%, #000 30%, transparent 78%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  width: 620px; height: 620px;
  right: -180px; top: -240px;
  background: radial-gradient(circle, rgba(76, 155, 255, .38), transparent 66%);
  filter: blur(10px);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 56px;
  align-items: center;
  padding-top: 82px;
  padding-bottom: 78px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 8px;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  font-size: 13px;
  color: #cfe0f6;
  letter-spacing: .4px;
}
.hero-eyebrow .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #55e0a3;
  box-shadow: 0 0 0 4px rgba(85, 224, 163, .16);
}
.hero h1 {
  color: #fff;
  font-size: clamp(30px, 3.5vw, 46px);
  line-height: 1.28;
  letter-spacing: -.6px;
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  color: #85c0ff;
  position: relative;
  white-space: nowrap;
}
.hero-lead {
  max-width: 560px;
  font-size: 16.5px;
  line-height: 1.95;
  color: #b9cae2;
}
.hero-lead strong { color: #e9f1fb; font-weight: 600; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.hero-note {
  margin-top: 22px;
  font-size: 13.5px;
  color: #8fa5c1;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-note .ico { width: 15px; height: 15px; color: #55e0a3; }

/* 首屏数据看板（纯 CSS 绘制，无外部图片） */
.dash {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px;
  background: linear-gradient(165deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03));
  box-shadow: 0 40px 90px -50px rgba(0, 0, 0, .95);
  backdrop-filter: blur(8px);
}
.dash-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.dash-title { font-size: 14.5px; font-weight: 600; color: #eaf2fd; letter-spacing: .4px; }
.dash-badge {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(85, 224, 163, .14);
  color: #7ff0bc;
  font-size: 11.5px;
  letter-spacing: .5px;
}
.dash-row { margin-bottom: 18px; }
.dash-row:last-of-type { margin-bottom: 8px; }
.dash-row-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 9px;
}
.dash-label { font-size: 13px; color: #a9bcd6; }
.dash-value { font-size: 14.5px; font-weight: 700; color: #fff; letter-spacing: .3px; }
.dash-value small { font-size: 11.5px; font-weight: 500; color: #7ff0bc; margin-left: 6px; }
.bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  overflow: hidden;
}
.bar > i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #2f7fe0, #8ed2ff);
}
.dash-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 12px;
  color: #8698b3;
}
.dash-foot .ico { width: 14px; height: 14px; }

/* 首屏下方数据条 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 4px;
  padding: 30px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero-stat { padding: 0 26px; border-left: 1px solid rgba(255, 255, 255, .1); }
.hero-stat:first-child { padding-left: 0; border-left: 0; }
.hero-stat b {
  display: block;
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -.5px;
  line-height: 1.2;
}
.hero-stat b span { font-size: 15px; font-weight: 600; color: #85c0ff; margin-left: 2px; }
.hero-stat p { margin-top: 6px; font-size: 13px; color: #93a8c4; line-height: 1.6; }

/* ---------- 8. 区块通用 ---------- */
.section { padding: 88px 0; }
.section-sm { padding: 64px 0; }
.section-alt { background: var(--bg); }
.section-dark {
  background: linear-gradient(160deg, #0b1220, #122844 70%, #0d1b2f);
  color: #c3d2e6;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .sec-sub { color: #a9bcd6; }

.sec-head { max-width: 760px; margin-bottom: 44px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.sec-head h2 {
  font-size: clamp(24px, 2.7vw, 34px);
  line-height: 1.35;
  letter-spacing: -.5px;
}
.sec-sub {
  margin-top: 16px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}
.sec-head.center .eyebrow::before { display: none; }

.section-dark .eyebrow { color: #7fb8ff; }
.section-dark .eyebrow::before { background: #7fb8ff; }

/* ---------- 9. 网格与卡片 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.card:hover {
  transform: translateY(-4px);
  border-color: #cfdcea;
  box-shadow: var(--shadow-md);
}
.card h3 { font-size: 18.5px; margin-bottom: 10px; letter-spacing: -.2px; }
.card p { font-size: 14.5px; line-height: 1.85; color: var(--muted); }
.card .link-more { margin-top: 18px; }
.card-flat { background: #fff; }
.card-soft { background: var(--accent-soft-2); border-color: #dbe7f8; }

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  flex: 0 0 auto;
}
.icon-box .ico { width: 22px; height: 22px; stroke-width: 1.8; }
.icon-box.dark { background: rgba(255, 255, 255, .1); color: #93c7ff; }
.icon-box.sm { width: 38px; height: 38px; border-radius: 10px; margin-bottom: 14px; }
.icon-box.sm .ico { width: 19px; height: 19px; }

.card-num {
  position: absolute;
  top: 22px;
  right: 26px;
  font-size: 34px;
  font-weight: 700;
  color: #eef3fa;
  letter-spacing: -2px;
  line-height: 1;
}

/* 卡片列表（无卡片背景的纯信息块） */
.item-list { display: grid; gap: 18px; }
.item {
  display: flex;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.item:last-child { border-bottom: 0; padding-bottom: 0; }
.item h3 { font-size: 16.5px; margin-bottom: 6px; }
.item p { font-size: 14.5px; color: var(--muted); line-height: 1.85; }

/* 勾选列表 */
.check-list { display: grid; gap: 12px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--text-2);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b63d6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 10px 10px no-repeat;
}
.section-dark .check-list li { color: #c3d2e6; }
.section-dark .check-list li::before { background-color: rgba(11, 99, 214, .25); }

/* ---------- 10. 服务流程 / 步骤 ---------- */
.steps { display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: 0; }
.step-no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #d9e5f6;
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .5px;
  box-shadow: var(--shadow-sm);
}
.step h3 { font-size: 17.5px; margin-bottom: 8px; }
.step p { font-size: 14.8px; color: var(--muted); line-height: 1.85; }
.step-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}
.step-meta span { display: inline-flex; align-items: center; gap: 6px; }
.step-meta .ico { width: 14px; height: 14px; color: var(--accent); }

/* 四步横向流程 */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: flow;
}
.flow-item {
  position: relative;
  padding: 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.flow-item::before {
  counter-increment: flow;
  content: "0" counter(flow);
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
}
.flow-item h3 { font-size: 16.5px; margin-bottom: 8px; }
.flow-item p { font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- 11. 表格 ---------- */
.tbl-hint {
  display: none;
  margin: 0 0 10px;
  font-size: 12.5px;
  color: var(--muted);
  padding-left: 2px;
}
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  -webkit-overflow-scrolling: touch;
}
table.data {
  min-width: 620px;
  font-size: 14.5px;
}
table.data caption {
  padding: 16px 20px 0;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
}
table.data th,
table.data td {
  padding: 15px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-2);
  line-height: 1.75;
}
table.data thead th {
  background: #f7faff;
  color: var(--ink-2);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover td { background: #fbfdff; }
table.data td em { font-style: normal; color: var(--accent); font-weight: 600; }

/* ---------- 12. 摘要框 / 提示 ---------- */
.callout {
  padding: 22px 24px;
  border: 1px solid #d8e6fb;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--accent-soft-2);
}
.callout p { font-size: 14.8px; line-height: 1.9; color: var(--text-2); }
.callout p + p { margin-top: 10px; }
.callout strong { color: var(--accent-dark); }
.callout-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .5px;
}
.callout-title .ico { width: 16px; height: 16px; }

.summary-box {
  padding: 24px 26px;
  margin: 0 0 34px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.summary-box h2 {
  font-size: 15px !important;
  margin-bottom: 12px !important;
  padding: 0 !important;
  border: 0 !important;
  letter-spacing: 1px;
  color: var(--accent);
}
.summary-box h2::before { display: none !important; }
.summary-box ul { display: grid; gap: 9px; }
.summary-box li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-2);
}
.summary-box li::before {
  content: "";
  position: absolute;
  left: 0; top: .78em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- 13. 页面横幅（内页） ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 62px 0 58px;
  color: #dae6f6;
  background:
    radial-gradient(900px 420px at 8% -20%, rgba(11, 99, 214, .5), transparent 60%),
    linear-gradient(150deg, #0a1120, #102340 68%, #0c1a2c);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 30% 0%, #000 20%, transparent 80%);
  mask-image: radial-gradient(ellipse 70% 90% at 30% 0%, #000 20%, transparent 80%);
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 {
  color: #fff;
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: -.4px;
  margin-bottom: 14px;
}
.page-hero .page-desc {
  max-width: 720px;
  font-size: 15.5px;
  line-height: 1.9;
  color: #aebfd6;
}
.page-hero .page-desc strong { color: #e6effb; font-weight: 600; }

.crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: #8ba3c1;
}
.crumb a { color: #a9bdd8; }
.crumb a:hover { color: #fff; }
.crumb .sep { color: #4f6685; }
.crumb [aria-current="page"] { color: #dbe7f7; }

/* 内页横幅中的数据 */
.page-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.page-hero-stats div { font-size: 13px; color: #93a8c4; }
.page-hero-stats b {
  display: block;
  font-size: 24px;
  color: #fff;
  letter-spacing: -.3px;
  line-height: 1.3;
}

/* ---------- 14. 客户案例 ---------- */
.case-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfdcea; }
.case-top {
  padding: 24px 26px 22px;
  color: #dce8f7;
  background: linear-gradient(150deg, #0f2138, #16375c);
}
.case-top .tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  font-size: 11.5px;
  letter-spacing: 1px;
  color: #c8dcf2;
}
.case-top h3 { color: #fff; font-size: 18px; margin-bottom: 6px; }
.case-top p { font-size: 13.5px; color: #9fb4cf; }
.case-body { padding: 22px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.case-kpi {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-bottom: 20px;
  margin-bottom: 18px;
  border-bottom: 1px dashed var(--line);
}
.case-kpi b {
  display: block;
  font-size: 22px;
  color: var(--accent);
  letter-spacing: -.5px;
  line-height: 1.3;
}
.case-kpi span { font-size: 12.5px; color: var(--muted); }
.case-body > p { font-size: 14.3px; color: var(--muted); line-height: 1.85; }
.case-body dl { margin: 16px 0 0; display: grid; gap: 8px; }
.case-body dt { font-size: 13px; font-weight: 700; color: var(--ink-2); }
.case-body dd { margin: 0 0 8px; font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- 15. 服务套餐 ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plan.is-featured {
  border-color: #b9d4f6;
  box-shadow: 0 24px 60px -34px rgba(11, 99, 214, .5);
}
.plan-flag {
  position: absolute;
  top: -12px;
  left: 28px;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  letter-spacing: 1px;
}
.plan h3 { font-size: 19px; margin-bottom: 8px; }
.plan-for { font-size: 13.5px; color: var(--muted); line-height: 1.8; min-height: 48px; }
.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 18px 0;
  margin: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.plan-price b { font-size: 27px; color: var(--ink-2); letter-spacing: -.8px; }
.plan-price span { font-size: 13px; color: var(--muted); }
.plan ul { display: grid; gap: 11px; margin-bottom: 24px; }
.plan ul li {
  position: relative;
  padding-left: 24px;
  font-size: 14.3px;
  color: var(--text-2);
  line-height: 1.75;
}
.plan ul li::before {
  content: "";
  position: absolute;
  left: 0; top: .5em;
  width: 14px; height: 14px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b63d6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 13px 13px no-repeat;
}
.plan .btn { margin-top: auto; width: 100%; }

/* ---------- 16. 资讯列表 ---------- */
.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 44px;
  align-items: start;
}
.news-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 20px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--text-2);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--t);
}
.filter-btn:hover { border-color: #c6d5e8; color: var(--accent); }
.filter-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.news-count { margin-left: auto; font-size: 13px; color: var(--muted); }

.news-item {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.news-item:first-of-type { padding-top: 22px; }
.news-thumb {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 104px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background:
    radial-gradient(120px 80px at 85% 10%, rgba(255, 255, 255, .18), transparent 70%),
    linear-gradient(150deg, #16375c, #0b63d6);
  color: #fff;
  overflow: hidden;
}
.news-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: .5;
}
.news-thumb span {
  position: relative;
  z-index: 1;
  font-size: 11.5px;
  letter-spacing: 1.5px;
  color: #d5e6fa;
}
.news-thumb b {
  position: relative;
  z-index: 1;
  font-size: 15px;
  letter-spacing: .5px;
  line-height: 1.5;
  color: #fff;
}
.news-main h3 { font-size: 18.5px; margin-bottom: 9px; letter-spacing: -.2px; }
.news-main h3 a { color: var(--ink-2); }
.news-main h3 a:hover { color: var(--accent); }
.news-main > p { font-size: 14.4px; color: var(--muted); line-height: 1.85; }
.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 12px;
  font-size: 12.8px;
  color: #8798b1;
}
.news-meta span { display: inline-flex; align-items: center; gap: 5px; }
.news-meta .ico { width: 13px; height: 13px; }
.news-tag {
  padding: 2px 9px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
}

/* 分页容器 */
.pager-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 32px;
}
.pager-info { font-size: 13.5px; color: var(--muted); }
#newsPager .layui-laypage { margin: 0; }
#newsPager .layui-laypage a,
#newsPager .layui-laypage span {
  height: 38px;
  line-height: 38px;
  min-width: 38px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-2);
  border: 1px solid var(--line);
  margin-right: 8px;
  background: #fff;
}
#newsPager .layui-laypage a:hover { color: var(--accent); border-color: #c6d5e8; }
#newsPager .layui-laypage .layui-laypage-curr .layui-laypage-em {
  background: var(--accent);
  border-radius: 8px;
}
#newsPager .layui-laypage .layui-laypage-curr em { color: #fff; }
#newsPager .layui-laypage-curr { border-color: var(--accent); }

/* layui 未加载时的降级分页按钮 */
#newsPager .pager-btn {
  height: 38px;
  min-width: 38px;
  padding: 0 12px;
  margin-right: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text-2);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: color .18s, border-color .18s;
}
#newsPager .pager-btn:hover:not(:disabled) { color: var(--accent); border-color: #c6d5e8; }
#newsPager .pager-btn.is-on { background: var(--accent); border-color: var(--accent); color: #fff; }
#newsPager .pager-btn:disabled { opacity: .5; cursor: not-allowed; }

/* 侧栏 */
.side-card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.side-card h2, .side-card h3 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  letter-spacing: .3px;
}
.side-list { display: grid; gap: 14px; }
.side-list a {
  display: block;
  font-size: 14.3px;
  line-height: 1.7;
  color: var(--text-2);
}
.side-list a:hover { color: var(--accent); }
.side-list span { display: block; margin-top: 4px; font-size: 12.3px; color: #8b9cb4; }
.side-cta.dark {
  background: linear-gradient(160deg, #10233c, #16406b);
  border-color: #16406b;
  color: #c9d9ec;
}
.side-cta.dark h2, .side-cta.dark h3 { color: #fff; border-color: rgba(255, 255, 255, .14); }
.side-cta.dark p { font-size: 14px; color: #a9bdd6; line-height: 1.8; }
.side-tel {
  display: block;
  margin: 12px 0 16px;
  font-size: 23px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.8px;
  color: var(--text-2);
  background: #fff;
}
.tag-cloud a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft-2); }

/* ---------- 17. 文章页 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: start;
}
.article-head { margin-bottom: 28px; }
h1, h2 { text-wrap: balance; }

.article-head h1 {
  font-size: clamp(25px, 2.8vw, 34px);
  line-height: 1.42;
  letter-spacing: -.5px;
  margin-bottom: 16px;
  text-wrap: balance;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: #8798b1;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .ico { width: 14px; height: 14px; }

.prose { font-size: 16px; line-height: 1.95; color: #26344a; }
.prose > * + * { margin-top: 18px; }
.prose h2 {
  position: relative;
  margin-top: 42px;
  padding-left: 14px;
  font-size: 22px;
  line-height: 1.5;
  letter-spacing: -.3px;
}
.prose h2::before {
  content: "";
  position: absolute;
  left: 0; top: .28em;
  width: 4px;
  height: 1.02em;
  border-radius: 3px;
  background: var(--accent);
}
.prose h3 {
  margin-top: 30px;
  font-size: 17.5px;
  color: var(--ink-2);
}
.prose p { color: #33415c; }
.prose strong { color: var(--ink-2); font-weight: 700; }
.prose ul, .prose ol { display: grid; gap: 10px; padding-left: 0; }
.prose ul > li {
  position: relative;
  padding-left: 20px;
  color: #33415c;
}
.prose ul > li::before {
  content: "";
  position: absolute;
  left: 2px; top: .82em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #9dbfe8;
}
.prose ol { counter-reset: n; }
.prose ol > li {
  position: relative;
  padding-left: 30px;
  color: #33415c;
  counter-increment: n;
}
.prose ol > li::before {
  content: counter(n) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--accent);
}
.prose blockquote {
  margin: 26px 0;
  padding: 18px 22px;
  border-left: 3px solid #b9d4f6;
  background: var(--accent-soft-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-2);
  font-size: 15.2px;
}
.prose blockquote p { color: var(--text-2); }
.prose .table-wrap { margin: 24px 0; }
.prose figure { margin: 26px 0; }
.prose figcaption { margin-top: 8px; font-size: 12.8px; color: #8798b1; text-align: center; }
.prose a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: #b9d4f6; }
.prose a:hover { text-decoration-color: var(--accent); }

.article-foot {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.disclaimer {
  margin-top: 8px;
  padding: 16px 18px;
  background: #fbfcfe;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.85;
  color: #7b8ca4;
}
.prev-next {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.pn-link {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: all var(--t);
}
.pn-link:hover { border-color: #c6d5e8; background: var(--accent-soft-2); }
.pn-link span { display: block; font-size: 12.5px; color: #8798b1; margin-bottom: 5px; }
.pn-link strong { font-size: 14.8px; font-weight: 600; color: var(--ink-2); line-height: 1.6; }
.pn-link:hover strong { color: var(--accent); }
.pn-link.next { text-align: right; }

.toc {
  position: sticky;
  top: calc(var(--header-h) + 20px);
}
.toc ol { display: grid; gap: 2px; counter-reset: toc; }
.toc ol li { counter-increment: toc; }
.toc a {
  display: block;
  padding: 8px 12px;
  border-left: 2px solid var(--line);
  font-size: 13.8px;
  line-height: 1.65;
  color: var(--text-2);
}
.toc a:hover, .toc a.is-active {
  border-left-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft-2);
}

/* ---------- 18. 常见问题 ---------- */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--t), box-shadow var(--t);
}
.faq-item[open] { border-color: #c9dcf5; box-shadow: var(--shadow-sm); }
.faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  list-style: none;
  line-height: 1.65;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: 0 0 auto;
  width: 18px; height: 18px;
  margin-left: auto;
  margin-top: 3px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6b85' stroke-width='2' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") center / 18px 18px no-repeat;
  transition: transform var(--t);
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item summary:hover { color: var(--accent); }
.faq-a {
  padding: 0 22px 22px 22px;
  font-size: 14.8px;
  line-height: 1.9;
  color: var(--muted);
}
.faq-a p + p { margin-top: 10px; }
.faq-q-no {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .5px;
  padding-top: 4px;
}

/* ---------- 19. 底部行动区 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: 52px 56px;
  border-radius: 24px;
  color: #d6e4f6;
  background:
    radial-gradient(600px 340px at 88% 8%, rgba(76, 155, 255, .35), transparent 68%),
    linear-gradient(150deg, #0a1120, #10233c 60%, #153a61);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 60% 100% at 100% 0%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 60% 100% at 100% 0%, #000, transparent 75%);
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; font-size: clamp(22px, 2.4vw, 30px); letter-spacing: -.4px; margin-bottom: 12px; }
.cta-band p { font-size: 15px; line-height: 1.85; color: #a9bdd6; max-width: 620px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-tel {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .6px;
  margin-bottom: 6px;
}
.cta-tel .ico { width: 20px; height: 20px; color: #7fb8ff; }
.cta-tel:hover { color: #85c0ff; }

/* ---------- 20. 页脚 ---------- */
.site-footer { background: #0a1120; color: #8fa2bd; font-size: 14px; }
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.35fr;
  gap: 40px;
  padding: 64px 0 48px;
}
.footer-brand .brand { color: #fff; padding: 0; margin-bottom: 16px; }
.footer-brand .brand-name { color: #fff; font-size: 21px; }
.footer-brand .brand-sub { color: #7d90ab; }
.footer-desc { font-size: 13.8px; line-height: 1.9; color: #8497b2; max-width: 340px; }
.footer-col h2, .footer-col h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { color: #8fa2bd; font-size: 13.8px; }
.footer-col a:hover { color: #fff; }
.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 13.8px;
  line-height: 1.85;
  color: #8fa2bd;
}
.footer-contact .ico {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  margin-top: 6px;
  color: #6d86a6;
}
.footer-tel {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
}
.footer-tel:hover { color: #85c0ff; }
.footer-bottom {
  padding: 20px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 12.8px;
  color: #6d809b;
}
.footer-bottom .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
}
.footer-bottom a { color: #8fa2bd; }
.footer-bottom a:hover { color: #fff; }

/* 返回顶部 */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border: 0;
  border-radius: 12px;
  background: var(--ink-2);
  color: #fff;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--t);
  box-shadow: 0 12px 26px -12px rgba(15, 23, 42, .6);
}
.to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--accent); }
.to-top .ico { width: 20px; height: 20px; }

/* 移动端底部快捷操作（无表单，仅拨号与导航） */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 850;
  background: rgba(255, 255, 255, .97);
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 24px -18px rgba(15, 23, 42, .5);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 56px;
  font-size: 12px;
  color: var(--text-2);
}
.mobile-bar a .ico { width: 20px; height: 20px; color: var(--accent); }
.mobile-bar a.is-main { background: var(--accent); color: #fff; }
.mobile-bar a.is-main .ico { color: #fff; }

/* ---------- 21. 动效（渐进增强） ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.22, .61, .36, 1);
}
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- 22. 响应式：<=1180 ---------- */
@media (max-width: 1180px) {
  :root { --container: 100%; }
  .nav-list > li > a { padding: 0 10px; font-size: 14.5px; }
  .header-cta { padding: 0 15px; font-size: 14px; }
  .hero-inner { gap: 40px; }
  .footer-main { grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
  .footer-col.contact { grid-column: 1 / -1; }
}

/* ---------- 23. 响应式：<=1024（切换为移动导航） ---------- */
@media (max-width: 1024px) {
  :root { --header-h: 66px; }
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand-name { font-size: 20px; letter-spacing: 1px; }
  .brand-sub { font-size: 10.5px; letter-spacing: 1.8px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; padding-top: 56px; padding-bottom: 60px; }
  .hero h1 { font-size: clamp(27px, 5vw, 38px); }
  .hero-lead { font-size: 15.5px; }
  .dash { max-width: 520px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 22px 0; padding-top: 26px; }
  .hero-stat { padding: 0 20px; }
  .hero-stat:nth-child(odd) { padding-left: 0; border-left: 0; }
  .hero-stat:nth-child(3), .hero-stat:nth-child(4) { padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .1); }
  .section { padding: 68px 0; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .news-layout, .article-layout { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .news-side, .article-side { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
  .side-card { margin-bottom: 0; }
  .toc { position: static; }
  .plan-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 34px; }
  .page-hero { padding: 46px 0 42px; }
  .mobile-bar { display: flex; }
  body { padding-bottom: 56px; }
  .to-top { bottom: 74px; }
}

/* ---------- 24. 响应式：<=767（手机） ---------- */
@media (max-width: 767px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 18px; }
  .topbar .wrap { min-height: 34px; }
  .topbar { font-size: 12px; }
  .topbar-list { gap: 14px; }
  .topbar-right { display: none; }
  .topbar-item span.addr { display: none; }
  .brand-name { font-size: 19px; }
  .brand-sub { letter-spacing: 1.4px; font-size: 10px; }
  .hero-inner { padding-top: 40px; padding-bottom: 46px; }
  .hero h1 { font-size: 27px; }
  .hero h1 em { white-space: normal; }
  .hero-actions .btn { flex: 1 1 auto; }
  .hero-stats { gap: 0; }
  .hero-stat { padding: 16px 14px; }
  .hero-stat:nth-child(odd) { padding-left: 0; }
  .hero-stat:nth-child(3), .hero-stat:nth-child(4) { padding-top: 16px; }
  .hero-stat b { font-size: 22px; }
  .hero-stat p { font-size: 12px; }

  .section { padding: 52px 0; }
  .section-sm { padding: 44px 0; }
  .sec-head { margin-bottom: 30px; }
  .sec-head h2 { font-size: 23px; }
  .sec-sub { font-size: 14.5px; margin-top: 12px; }
  .grid, .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 16px; }
  .card { padding: 22px; }
  .flow { grid-template-columns: 1fr; }
  .step { grid-template-columns: 40px minmax(0, 1fr); gap: 14px; padding: 20px 0; }
  .step-no { width: 36px; height: 36px; border-radius: 10px; font-size: 14px; }
  .step h3 { font-size: 16.5px; }
  .news-item { grid-template-columns: 1fr; gap: 14px; padding: 22px 0; }
  .news-thumb { min-height: 78px; }
  .news-main h3 { font-size: 17px; }
  .news-toolbar { gap: 8px; }
  .filter-btn { height: 34px; padding: 0 13px; font-size: 13px; }
  .news-count { margin-left: 0; width: 100%; }
  .news-side, .article-side { grid-template-columns: 1fr; }
  .pager-wrap { justify-content: center; }
  .pager-info { width: 100%; text-align: center; }
  .prev-next { grid-template-columns: 1fr; }
  .pn-link.next { text-align: left; }
  .cta-band { padding: 30px 22px; border-radius: 18px; }
  .cta-inner { gap: 24px; }
  .cta-tel { font-size: 20px; }
  .cta-actions .btn { flex: 1 1 100%; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px 20px; padding: 44px 0 34px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col.contact { grid-column: 1 / -1; }
  .footer-bottom { font-size: 12px; }
  .footer-bottom .wrap { flex-direction: column; align-items: flex-start; gap: 6px; }
  .page-hero h1 { font-size: 25px; }
  .page-hero .page-desc { font-size: 14.5px; }
  .page-hero-stats { gap: 14px 26px; }
  .page-hero-stats b { font-size: 20px; }
  .article-head h1 { font-size: 23px; }
  .prose { font-size: 15.5px; }
  .prose h2 { font-size: 19.5px; margin-top: 34px; }
  .prose h3 { font-size: 16.5px; }
  .case-kpi b { font-size: 19px; }
  .plan { padding: 24px 22px; }
  .summary-box { padding: 20px; }
  .callout { padding: 18px; }
}

@media (max-width: 380px) {
  .brand-name { font-size: 17.5px; }
  .hero h1 { font-size: 24px; }
}

/* ---------- 25. 打印 ---------- */
@media print {
  .site-header, .topbar, .site-footer, .to-top, .mobile-bar, .cta-band, .drawer, .drawer-mask { display: none !important; }
  .page-hero, .hero { background: #fff !important; color: #000 !important; }
  .page-hero h1, .hero h1 { color: #000 !important; }
}

/* ---------- 25. 移动端表格横向滚动提示 ---------- */
@media (max-width: 767px) {
  .tbl-hint { display: block; }
  table.data { min-width: 560px; font-size: 13.5px; }
  table.data th, table.data td { padding: 12px 14px; }
}