/* =========================================================================
   衡燊科技 · HENGSHEN
   设计语言：科技简约 — 大留白 + 克制 + 靛蓝→青绿渐变（与 fancyar.com 同一套视觉体系）
   纯手写，零外部依赖
   01 变量与重置      02 排版基础        03 布局与区块头
   04 导航与抽屉      05 按钮与标签      06 首页 Hero
   07 数据带          08 卡片体系        09 FDE 与流程
   10 对比表格        11 场景与案例      12 跑马灯
   13 FAQ             14 CTA             15 页脚
   16 子页 Hero       17 服务页          18 解决方案 / 自检工具
   19 表单与联系      20 关于 / 加入 / 隐私 / 404
   21 动效            22 响应式          23 无障碍偏好
   ========================================================================= */

/* ---------- 01 变量与重置 ---------- */
:root {
  /* 色板 */
  --bg: #ffffff;
  --bg-soft: #fbfcff;
  --tint: #f4f6ff;
  --ink: #0f172a;
  --ink-2: #5a6478;
  --ink-3: #6b7690;
  --ink-4: #97a1b5;
  --line: #e9eef7;
  --line-2: #f2f5fb;

  --blue: #4338ca;
  --blue-2: #6366f1;
  --blue-deep: #3730a3;
  --blue-50: #f4f6ff;
  --blue-100: #e6e9ff;
  --blue-200: #c9cefb;

  /* 品牌色：取自企业 logo */
  --brand: #007078;
  --brand-soft: rgba(0, 112, 120, 0.08);
  --teal: #0e8c96;
  --teal-lt: #e4f3f4;
  --teal-deep: #00666e;

  --grad: linear-gradient(120deg, #4338ca 0%, #6366f1 45%, #007078 100%);
  --grad-soft: linear-gradient(120deg, #eef0ff 0%, #f4f6ff 52%, #e6f4f5 100%);
  --grad-line: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.45), transparent);

  /* 尺度 */
  --radius: 22px;
  --radius-sm: 14px;
  --radius-lg: 30px;
  --shadow: 0 1px 2px rgba(14, 20, 48, 0.04), 0 18px 44px rgba(67, 56, 202, 0.1);
  --shadow-soft: 0 1px 2px rgba(14, 20, 48, 0.04), 0 10px 30px rgba(14, 20, 48, 0.06);
  --shadow-lg: 0 30px 60px -24px rgba(14, 20, 48, 0.28), 0 4px 12px rgba(14, 20, 48, 0.06);

  --wrap: 1200px;
  --gut: clamp(20px, 5vw, 64px);

  /* 字体 */
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "SF Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-2: cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
button { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ink);
}

::selection { background: var(--blue); color: #fff; }
.footer ::selection { background: var(--teal); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 999;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  transition: top 0.25s var(--ease);
}
.skip-link:focus { top: 16px; }

.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;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- 02 排版基础 ---------- */
.ic {
  width: 18px;
  height: 18px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 胶囊标签（与参考站一致的 eyebrow 形态） */
.eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 18px;
  padding: 7px 15px 7px 14px;
  border: 1px solid var(--blue-100);
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}
.eyebrow b {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--brand);
}
.eyebrow i {
  display: inline-flex;
  align-items: center;
  font-style: normal;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}
.eyebrow i::before {
  content: "";
  width: 4px;
  height: 4px;
  margin: 0 9px;
  border-radius: 50%;
  background: var(--blue-200);
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  margin-right: 9px;
  background: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
  animation: pulse 2.8s ease-in-out infinite;
}

.h2 {
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.h2 em {
  font-style: normal;
  color: var(--blue);
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin-top: 16px;
  max-width: 62ch;
  color: var(--ink-2);
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.75;
}

.pc-only { display: inline; }

.textlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  color: var(--blue);
  font-size: 14.5px;
  font-weight: 700;
  transition: gap 0.3s var(--ease), color 0.25s;
}
.textlink .ic { width: 16px; height: 16px; }
.textlink:hover { gap: 13px; color: var(--blue-deep); }

/* ---------- 03 布局与区块头 ---------- */
.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gut) * 2);
  margin: 0 auto;
  padding-left: var(--gut);
  padding-right: var(--gut);
}

.sec {
  position: relative;
  padding: clamp(56px, 8vw, 108px) 0;
}
.sec--alt {
  background: var(--blue-50);
  border-block: 1px solid var(--line);
}

.sec-head {
  max-width: 780px;
  margin: 0 auto clamp(36px, 5vw, 58px);
  text-align: center;
}
.sec-head .lead { margin-left: auto; margin-right: auto; }
.sec-head--split {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: end;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  text-align: left;
}
.sec-head--split .lead { margin-left: 0; }
.sec-head-side { padding-bottom: 4px; text-align: left; }
.sec-head-side .lead { margin-top: 0; }

.pullquote {
  max-width: 860px;
  margin: clamp(40px, 5vw, 60px) auto 0;
  text-align: center;
  color: var(--ink-2);
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.6;
  letter-spacing: -0.01em;
}
.pullquote span {
  display: block;
  margin-bottom: 4px;
  color: var(--blue-200);
  font-family: Georgia, serif;
  font-size: 48px;
  line-height: 0.7;
}
.pullquote b { color: var(--ink); font-weight: 700; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: minmax(0, 1fr); }
.grid-3 { grid-template-columns: minmax(0, 1fr); }
.grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.scenes { align-items: stretch; }

/* ---------- 04 导航与抽屉 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
}

.nav-bar {
  position: relative;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease-2), box-shadow 0.4s, backdrop-filter 0.4s, border-color 0.4s;
}
.nav.is-scrolled .nav-bar {
  background: rgba(255, 255, 255, 0.84);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 var(--line), 0 12px 30px -22px rgba(14, 20, 48, 0.35);
}

.nav-progress {
  position: absolute;
  inset: auto 0 -1px 0;
  width: 0;
  height: 2px;
  z-index: 1;
  background: var(--grad);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 80px;
  max-width: calc(var(--wrap) + var(--gut) * 2);
  margin: 0 auto;
  padding-left: var(--gut);
  padding-right: var(--gut);
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { display: block; }
.brand-logo { width: 34px; height: 34px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text b {
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.brand-text i {
  margin-top: 1px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 9.5px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.nav-links {
  display: none;
  align-items: center;
  gap: clamp(14px, 1.8vw, 28px);
}
.nav-links > a:not(.btn) {
  position: relative;
  padding: 6px 2px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 600;
  transition: color 0.2s var(--ease);
}
.nav-links > a:not(.btn):hover { color: var(--blue); }
.nav-links > a.is-active { color: var(--blue); }
.nav-links > a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
  transform: translateX(-50%);
}
.nav-cta { margin-left: 10px; }

.burger {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
}
.burger span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.burger.is-open span:first-child { transform: translateY(3.5px) rotate(45deg); }
.burger.is-open span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.drawer {
  position: fixed;
  inset: 0;
  z-index: 85;
  visibility: hidden;
  opacity: 0;
  background: rgba(15, 23, 42, 0.4);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  transition: opacity 0.35s var(--ease-2), visibility 0.35s;
}
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer-panel {
  position: absolute;
  inset: 0 0 0 auto;
  display: flex;
  flex-direction: column;
  width: min(360px, 86vw);
  padding: 96px 26px 32px;
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform 0.45s var(--ease);
  overflow-y: auto;
}
.drawer.is-open .drawer-panel { transform: none; }
.drawer-label {
  margin-bottom: 18px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
}
.drawer-links { display: flex; flex-direction: column; }
.drawer-links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-2);
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  transition: color 0.2s, padding-left 0.3s var(--ease);
}
.drawer-links a em {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11px;
  font-style: normal;
}
.drawer-links a:hover { color: var(--blue); padding-left: 8px; }
.drawer-foot { margin-top: auto; padding-top: 30px; }
.drawer-foot .btn { width: 100%; }
.drawer-foot p {
  margin-top: 16px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.9;
}

/* ---------- 05 按钮与标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    background 0.25s, color 0.25s, border-color 0.25s;
}
.btn .ic { width: 17px; height: 17px; transition: transform 0.35s var(--ease); }
.btn:hover .ic { transform: translateX(4px); }
.btn-sm { padding: 8px 16px; font-size: 13.5px; }
.btn-lg { padding: 16px 32px; border-radius: 16px; font-size: 16px; }
.btn-lg .ic { width: 18px; height: 18px; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 1px 2px rgba(30, 27, 75, 0.2), 0 10px 22px rgba(67, 56, 202, 0.24);
}
.btn-primary:hover {
  background: var(--blue-deep);
  transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(30, 27, 75, 0.24), 0 16px 34px rgba(67, 56, 202, 0.32);
}

.btn-ghost {
  border-color: var(--blue-200);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
}
.btn-ghost:hover {
  border-color: var(--blue);
  color: var(--blue-deep);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--line-2);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.tag-live {
  border-color: rgba(0, 112, 120, 0.3);
  background: var(--teal-lt);
  color: var(--teal-deep);
}
.tag-live::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}
.tags li {
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 600;
}

/* ---------- 06 首页 Hero ---------- */
.hero {
  position: relative;
  padding: clamp(112px, 10vw, 146px) 0 clamp(64px, 8vw, 104px);
  background: var(--grad-soft);
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -8%;
  z-index: -1;
  width: 680px;
  height: 680px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(99, 102, 241, 0.24), transparent);
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: -12%;
  z-index: -1;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(45, 212, 191, 0.22), transparent);
}
.hero-canvas { display: none; }
.hero-gridlines {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(67, 56, 202, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(67, 56, 202, 0.055) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 65% 40%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 65% 40%, #000, transparent 75%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4vw, 56px);
  align-items: center;
}
.hero-copy { position: relative; z-index: 2; }

.hero-title {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: clamp(34px, 7vw, 60px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.025em;
}
.hero-title .grad-text { filter: none; }

.hero-sub {
  max-width: 36em;
  color: var(--ink-2);
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.78;
}
.hero-sub b { color: var(--ink); font-weight: 700; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  color: var(--ink-3);
  font-size: 13.5px;
  font-weight: 600;
}
.hero-meta li { display: flex; align-items: center; }
.hero-meta li + li::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 14px;
  border-radius: 2px;
  background: var(--brand);
  transform: rotate(45deg);
}

.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.orbit {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--blue-100);
  animation: spin 46s linear infinite;
}
.orbit-ring.r1 { inset: 0; border-style: dashed; border-color: var(--blue-200); }
.orbit-ring.r2 { inset: 11%; border-color: var(--blue-100); animation-duration: 34s; animation-direction: reverse; }
.orbit-ring.r3 { inset: 23%; border-style: dotted; border-color: var(--line); animation-duration: 26s; }

.orbit-core {
  position: absolute;
  inset: 35%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--blue-100);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 24px 60px -28px rgba(67, 56, 202, 0.55), inset 0 0 0 6px rgba(244, 246, 255, 0.7);
  animation: coreFloat 6s ease-in-out infinite;
}
.orbit-core b {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--mono);
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 700;
  letter-spacing: 0.12em;
}
.orbit-core i {
  margin-top: 3px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 8.5px;
  font-style: normal;
  letter-spacing: 0.24em;
}

.orbit-spark {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  animation: spin 16s linear infinite;
}
.orbit-spark::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-2);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.16);
}
.orbit-spark.s1 { animation-duration: 18s; }
.orbit-spark.s2 { inset: 11%; animation-duration: 24s; animation-direction: reverse; }
.orbit-spark.s2::before {
  top: auto;
  bottom: -4px;
  background: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.orbit-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-soft);
}
.orbit-node .nd {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-2);
}
.orbit-node.n1 { top: 0; left: 50%; transform: translate(-50%, -50%); }
.orbit-node.n2 { top: 50%; right: 0; transform: translate(18%, -50%); }
.orbit-node.n3 { bottom: 0; left: 50%; transform: translate(-50%, 50%); }
.orbit-node.n4 { top: 50%; left: 0; transform: translate(-18%, -50%); }
.orbit-node.n3 .nd { background: var(--brand); }
.orbit-node.n4 .nd { background: var(--teal-deep); }

.orbit-caption {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-align: center;
}

.hero-scroll {
  display: none;
  position: absolute;
  left: 50%;
  bottom: 24px;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translateX(-50%);
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.3em;
}
.hero-scroll i {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--blue-200), transparent);
}
.hero-scroll:hover { color: var(--blue); }

/* ---------- 07 数据带 ---------- */
.statband {
  border-block: 1px solid var(--line);
  background: #fff;
  padding: clamp(30px, 4vw, 48px) 0;
}
.statgrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}
.stat { padding-left: clamp(16px, 2.4vw, 28px); border-left: 1px solid var(--line); }
.stat:first-child { padding-left: 0; border-left: 0; }
.stat dt { display: flex; align-items: baseline; gap: 5px; }
.stat-num {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat dt i {
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
}
.stat dd {
  margin-top: 8px;
  color: var(--ink-2);
  font-size: 13.5px;
  line-height: 1.65;
}

/* ---------- 08 卡片体系 ---------- */
.card {
  position: relative;
  padding: clamp(24px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.3s, translate 0.4s var(--ease);
}
.card h3 {
  margin-bottom: 10px;
  font-size: clamp(18px, 1.6vw, 19.5px);
  font-weight: 700;
}
.card > p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.68;
}
.card:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow);
  translate: 0 -4px;
}

.card-index {
  margin-bottom: 12px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.card--hl {
  border-color: var(--blue-200);
  background: linear-gradient(160deg, #fff 30%, var(--blue-50));
  box-shadow: var(--shadow);
}

.cap-card {
  transform: perspective(1000px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transform-style: preserve-3d;
}
.cap-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 0%), rgba(67, 56, 202, 0.08), transparent 62%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.cap-card:hover::after { opacity: 1; }

.cap-icon {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  margin-bottom: 18px;
  border-radius: 15px;
  background: var(--blue-50);
  color: var(--blue);
  transition: transform 0.35s var(--ease), background 0.35s;
}
.cap-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card:hover .cap-icon { transform: scale(1.06); }
.cap-card:nth-child(2n) .cap-icon,
.scene-card:nth-child(2n) .cap-icon { background: var(--brand-soft); color: var(--brand); }

.gap-card { display: flex; flex-direction: column; }

/* ---------- 09 FDE 与流程 ---------- */
.fde {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 4vw, 64px);
  align-items: start;
}
.fde-points { display: grid; gap: 16px; margin-top: 28px; }
.fde-points li { display: flex; gap: 13px; }
.fde-points .ic {
  width: 24px;
  height: 24px;
  margin-top: 2px;
  padding: 3px;
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--blue);
  stroke-width: 2;
}
.fde-points b { display: block; color: var(--ink); font-size: 15px; font-weight: 700; }
.fde-points span { display: block; margin-top: 2px; color: var(--ink-2); font-size: 14px; line-height: 1.65; }

.steps { display: grid; gap: 14px; }
.step {
  position: relative;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.3s, box-shadow 0.3s, translate 0.35s var(--ease);
}
.step:hover { border-color: var(--blue-200); box-shadow: var(--shadow); translate: 0 -3px; }
.step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.step-num {
  display: inline-block;
  padding: 5px 11px;
  border-radius: 10px;
  background: var(--blue-50);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}
.step-time {
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
}
.step h3 { margin-bottom: 8px; font-size: 18.5px; }
.step p { color: var(--ink-2); font-size: 14.5px; line-height: 1.7; }
.step-out {
  margin-top: 12px !important;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--ink-3) !important;
  font-size: 13px !important;
}

/* ---------- 10 对比表格 ---------- */
.tablewrap {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.cmp { width: 100%; border-collapse: collapse; font-size: 15px; }
.cmp thead th {
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--blue-50);
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  vertical-align: bottom;
}
.cmp thead th:first-child { color: var(--ink-4); }
.cmp thead .cmp-us { color: var(--blue); }
.cmp tbody th {
  padding: 19px 24px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
}
.cmp tbody td {
  padding: 19px 24px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  line-height: 1.7;
}
.cmp tbody tr:last-child th,
.cmp tbody tr:last-child td { border-bottom: 0; }
.cmp tbody tr:hover td { background: #fafbff; }
.cmp .cmp-us {
  border-left: 1px solid var(--blue-100);
  border-right: 1px solid var(--blue-100);
  background: var(--blue-50);
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 11 场景与案例 ---------- */
.scene-card { display: flex; flex-direction: column; }
.scene-card p { flex: 1; }
.scene-go {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  color: var(--blue);
  font-size: 13.5px;
  font-weight: 700;
}
.scene-go .ic { width: 15px; height: 15px; transition: transform 0.3s var(--ease); }
.scene-card:hover .scene-go .ic { transform: translateX(4px); }

.case-card { display: flex; flex-direction: column; }
.case-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  row-gap: 8px;
}
.case-when {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.case-kv {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 8px 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
}
.case-kv dt {
  padding-top: 2px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.case-kv dd { color: var(--ink-2); line-height: 1.6; }

/* ---------- 12 跑马灯 ---------- */
.marquee {
  overflow: hidden;
  padding: 18px 0;
  border-block: 1px solid var(--line);
  background: var(--blue-50);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  animation: marquee 52s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: clamp(14px, 1.6vw, 19px);
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.marquee-track i {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 2px;
  background: var(--brand);
  opacity: 0.55;
  transform: rotate(45deg);
}

/* ---------- 13 FAQ ---------- */
.faq-wrap { max-width: 860px; }
.faq { display: grid; gap: 14px; }
.faq-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item[open] { border-color: var(--blue-200); box-shadow: var(--shadow-soft); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  color: var(--ink);
  font-size: 16.5px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--blue); }
.faq-ic {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
}
.faq-ic::before,
.faq-ic::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: var(--blue);
  transition: transform 0.3s var(--ease);
}
.faq-ic::before { top: 10px; left: 1px; right: 1px; height: 2px; }
.faq-ic::after { left: 10px; top: 1px; bottom: 1px; width: 2px; }
.faq-item[open] .faq-ic::after { transform: scaleY(0); }
.faq-a {
  padding: 0 24px 22px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.75;
  animation: fadeUp 0.4s var(--ease);
}

/* ---------- 14 CTA ---------- */
.cta-sec { padding-bottom: clamp(64px, 9vw, 110px); }
.cta-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(38px, 6vw, 68px) clamp(24px, 5vw, 56px);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, #3730a3 0%, #4338ca 46%, #00666e 100%);
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow);
}
.cta-glow {
  position: absolute;
  top: -40%;
  left: 50%;
  z-index: -1;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.28), transparent 62%);
  transform: translateX(-50%);
}
.cta-card .eyebrow {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}
.cta-card .eyebrow b { color: #fff; }
.cta-card .eyebrow i { color: rgba(255, 255, 255, 0.88); }
.cta-card .eyebrow i::before { background: rgba(255, 255, 255, 0.6); }
.cta-title {
  color: #fff;
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
}
.cta-sub {
  max-width: 40em;
  margin: 16px auto 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 16px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}
.cta-card .btn-primary {
  background: #fff;
  color: var(--blue-deep);
  box-shadow: 0 10px 26px -10px rgba(10, 14, 40, 0.5);
}
.cta-card .btn-primary:hover { background: #f4f6ff; }
.cta-card .btn-ghost {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  box-shadow: none;
}
.cta-card .btn-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.cta-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 600;
}
.cta-meta li { display: flex; align-items: center; }
.cta-meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 9px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.8);
  transform: rotate(45deg);
}

/* ---------- 15 页脚 ---------- */
.footer {
  padding: clamp(48px, 7vw, 76px) 0 30px;
  background: var(--ink);
  color: #c7cedb;
}
.footer .brand-text b { color: #fff; }
.footer .brand-text i { color: #7c8698; }
.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-bottom: clamp(34px, 4vw, 48px);
}
.footer-slogan {
  margin: 20px 0 18px;
  color: #dfe4ec;
  font-size: 16px;
  line-height: 1.65;
}
.footer-legal {
  color: #8b95a6;
  font-size: 12.5px;
  line-height: 1.85;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h3 {
  margin-bottom: 6px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.footer-col a,
.footer-col p {
  color: #9aa4b4;
  font-size: 14px;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-contact a { color: #e8ecf3; font-family: var(--mono); font-size: 13.5px; }
.footer-map { margin-top: 4px; color: #5fd3d9 !important; font-size: 13.5px !important; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #7c8698;
  font-size: 13px;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { color: #7c8698; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }

/* ---------- 16 子页 Hero ---------- */
.page-hero {
  position: relative;
  padding: clamp(132px, 11vw, 158px) 0 clamp(42px, 5vw, 60px);
  background: var(--grad-soft);
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -8%;
  z-index: -1;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(99, 102, 241, 0.2), transparent);
}
.page-hero::after {
  content: "";
  position: absolute;
  bottom: -50%;
  left: -10%;
  z-index: -1;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(45, 212, 191, 0.18), transparent);
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.crumb a { color: var(--ink-3); transition: color 0.2s; }
.crumb a:hover { color: var(--blue); }
.crumb span { color: var(--blue-2); }
.page-title {
  max-width: 20ch;
  font-size: clamp(31px, 4.8vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.025em;
}
.page-lead {
  max-width: 60ch;
  margin-top: 20px;
  color: var(--ink-2);
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.78;
}
.page-hero-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
}

/* ---------- 17 服务页 ---------- */
.subnav {
  position: sticky;
  top: 80px;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
}
.subnav .wrap {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-block: 10px;
  scrollbar-width: none;
}
.subnav .wrap::-webkit-scrollbar { display: none; }
.subnav a {
  flex: none;
  padding: 7px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--ink-3);
  font-size: 13.5px;
  font-weight: 600;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.subnav a:hover,
.subnav a.is-active {
  border-color: var(--blue-100);
  background: var(--blue-50);
  color: var(--blue);
}

.svc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 48px);
  padding: clamp(36px, 4.5vw, 60px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 128px;
}
.svc:first-of-type { border-top: 0; }
.svc-side { align-self: start; }
.svc-no {
  display: block;
  color: transparent;
  font-family: var(--mono);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  -webkit-text-stroke: 1.5px var(--blue-200);
}
.svc-side h2 { margin-top: 12px; font-size: clamp(22px, 2.3vw, 28px); }
.svc-side .tag { margin-top: 14px; }
.svc-body h3 { margin-bottom: 12px; font-size: clamp(19px, 1.7vw, 22px); }
.svc-body > p { color: var(--ink-2); font-size: 15px; line-height: 1.78; }
.svc-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.svc-box {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--blue-50);
}
.svc-box h4 {
  margin-bottom: 12px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.svc-box ul { display: grid; gap: 8px; }
.svc-box li {
  position: relative;
  padding-left: 17px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.65;
}
.svc-box li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--brand);
  transform: rotate(45deg);
}
.svc-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }

.modes {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}
.modes > div { padding: clamp(22px, 2.6vw, 30px); background: #fff; }
.modes h3 { font-size: 17px; }
.modes p { margin-top: 8px; color: var(--ink-2); font-size: 14px; line-height: 1.68; }

/* ---------- 18 解决方案 / 自检工具 ---------- */
.ind {
  padding: clamp(40px, 5vw, 68px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 128px;
}
.ind:first-of-type { border-top: 0; }
.ind-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: end;
  margin-bottom: 28px;
}
.ind-head h2 { font-size: clamp(23px, 2.7vw, 34px); }
.ind-no {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.ind-head p { color: var(--ink-2); font-size: 15px; line-height: 1.75; }
.ind-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.ind-grid > div {
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.ind-grid h4 {
  margin-bottom: 12px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ind-grid ul { display: grid; gap: 9px; }
.ind-grid li {
  position: relative;
  padding-left: 16px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.65;
}
.ind-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue-2);
}
.ind-kpi { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.ind-kpi span {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 600;
}

/* 自检工具 */
.tool {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(36px, 4vw, 56px);
  padding: clamp(24px, 3.4vw, 42px);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, #fff 0%, var(--blue-50) 55%, #eefbf7 100%);
  box-shadow: var(--shadow);
  scroll-margin-top: 118px;
}
.tool h2 { font-size: clamp(22px, 2.4vw, 30px); }
.tool-laed { margin-top: 12px; color: var(--ink-2); font-size: 14.5px; line-height: 1.72; }
.tool-fields { display: grid; gap: 14px; margin-top: 22px; }
.tool-fields label {
  display: grid;
  gap: 7px;
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 600;
}
.tool-fields select,
.tool-fields .input {
  height: 48px;
  padding: 0 40px 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background-color: #fff;
  color: var(--ink);
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink-3) 50%),
    linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 19px) 50%, calc(100% - 14px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.tool-fields select:focus {
  outline: none;
  border-color: var(--blue-2);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.14);
}
.tool-fields option { color: var(--ink); background: #fff; }
.tool-btn { width: 100%; margin-top: 20px; }
.tool-out {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  align-self: start;
}
.tool-out-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.tool-out h3 { color: var(--blue); font-size: 18px; }
.tool-out ol { counter-reset: step; display: grid; gap: 14px; margin-top: 18px; }
.tool-out li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.68;
}
.tool-out li b {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.tool-out li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--blue-200);
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}
.tool-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--ink-4);
  font-size: 12px;
  line-height: 1.7;
}
.tool-out.is-empty h3 { color: var(--ink-3); font-size: 15.5px; font-weight: 600; }
.tool-out.is-empty li { color: var(--ink-4); }

/* ---------- 19 表单与联系 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  align-items: stretch;
}
.contact-grid aside { display: flex; flex-direction: column; }
.contact-grid aside > :first-child { margin-top: 0; }
.contact-grid aside .map { flex: 1 1 auto; aspect-ratio: auto; min-height: 180px; }
.form-card {
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.form { display: grid; gap: 18px; margin-top: 24px; }
.form-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; }
.field { display: grid; gap: 8px; }
.field > label { color: var(--ink-3); font-size: 13px; font-weight: 600; }
.field > label i { color: var(--teal-deep); font-style: normal; }
.input,
.textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.6;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.input::placeholder,
.textarea::placeholder { color: var(--ink-4); }
.input:hover,
.textarea:hover { border-color: var(--blue-200); }
.input:focus,
.textarea:focus {
  outline: none;
  border-color: var(--blue-2);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.13);
}
.textarea { min-height: 132px; resize: vertical; }

.select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 42px;
  cursor: pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink-3) 50%),
    linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.select option { color: var(--ink); background: #fff; }

.form-note { color: var(--ink-4); font-size: 12px; line-height: 1.7; }
.form-note a { color: var(--ink-3); text-decoration: underline; text-underline-offset: 3px; }
.form-status {
  display: none;
  padding: 13px 16px;
  border: 1px solid rgba(45, 212, 191, 0.4);
  border-radius: 12px;
  background: var(--teal-lt);
  color: var(--teal-deep);
  font-size: 13.5px;
  font-weight: 600;
}
.form-status.is-on { display: block; }
.form-status.is-err {
  border-color: rgba(220, 38, 38, 0.25);
  background: #fef2f2;
  color: #b42318;
}

.contact-list { display: grid; gap: 14px; }
.contact-item {
  display: flex;
  gap: 15px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.contact-item .cap-icon { width: 44px; height: 44px; margin: 0; flex: none; border-radius: 13px; }
.contact-item .cap-icon svg { width: 20px; height: 20px; }
.contact-item b {
  display: block;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.contact-item a,
.contact-item p {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 15.5px;
  font-weight: 600;
  transition: color 0.2s;
}
.contact-item a:hover { color: var(--blue); }
.contact-item small { display: block; margin-top: 3px; color: var(--ink-4); font-size: 12px; }

.qr-card {
  margin-top: 18px;
  padding: 24px;
  border: 1px dashed var(--blue-200);
  border-radius: 20px;
  background: var(--blue-50);
  text-align: center;
}
.qr-card img { width: 150px; height: 150px; margin: 0 auto 14px; border-radius: 12px; }
.qr-card b { display: block; color: var(--ink); font-size: 14.5px; }
.qr-card span { display: block; margin-top: 4px; color: var(--ink-3); font-size: 12.5px; }

.map {
  position: relative;
  margin-top: 18px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(rgba(67, 56, 202, 0.06) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(90deg, rgba(67, 56, 202, 0.06) 1px, transparent 1px) 0 0 / 34px 34px,
    radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1), transparent 65%),
    #fbfcff;
}
.map::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 44%, rgba(45, 212, 191, 0.14) 50%, transparent 56%);
}
.map-note {
  position: absolute;
  inset: auto 0 0;
  padding: 13px 18px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.94));
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}
.map-pin {
  position: absolute;
  left: 50%;
  top: 46%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue-2);
  box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.16), 0 0 24px rgba(99, 102, 241, 0.45);
  transform: translate(-50%, -50%);
  animation: pulse 2.6s ease-in-out infinite;
}

/* ---------- 20 关于 / 加入 / 隐私 / 404 ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
}
.split--top { align-items: start; }
.split-art {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--blue-50), #eefbf7);
  box-shadow: var(--shadow-soft);
}
.split-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(67, 56, 202, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(67, 56, 202, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(circle at 55% 50%, #000, transparent 74%);
  mask-image: radial-gradient(circle at 55% 50%, #000, transparent 74%);
}
.split-art-code {
  position: absolute;
  inset: auto 26px 24px;
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.95;
  white-space: pre;
}
.split-art-code b { color: var(--blue); font-weight: 700; }

.values { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; }
.value {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.value h3 { font-size: 18px; }
.value p { margin-top: 10px; color: var(--ink-2); font-size: 14px; line-height: 1.7; }
.value .card-index { margin-bottom: 10px; }

.facts {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.facts > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}
.facts > div:last-child { border-bottom: 0; }
.facts dt {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.facts dd { color: var(--ink); font-size: 14.5px; font-weight: 500; }

.tl { display: grid; gap: 14px; }
.tl-item {
  position: relative;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.tl-item.is-now { border-color: var(--blue-200); background: linear-gradient(150deg, #fff, var(--blue-50)); }
.tl-when {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.tl-item h3 { margin-top: 6px; font-size: 17px; }
.tl-item p { margin-top: 6px; color: var(--ink-2); font-size: 14px; line-height: 1.65; }

.jobs { display: grid; gap: 14px; }
.job {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.3s, box-shadow 0.3s, translate 0.35s var(--ease);
}
.job:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow);
  translate: 0 -2px;
}
.job h3 { font-size: 18.5px; }
.job p { margin-top: 6px; color: var(--ink-2); font-size: 14px; line-height: 1.65; }
.job-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.job-tags span {
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--line-2);
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 600;
}
.job-go {
  display: none;
  flex: none;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--blue-200);
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--blue);
  transition: background 0.3s, transform 0.3s var(--ease);
}
.job-go .ic { width: 16px; height: 16px; }
.job:hover .job-go { background: var(--blue-100); transform: translateX(3px); }

.prose { max-width: 780px; }
.prose h2 { margin: 38px 0 14px; font-size: clamp(20px, 2.2vw, 26px); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 24px 0 8px; font-size: 17px; }
.prose p { margin: 12px 0; color: var(--ink-2); font-size: 15px; line-height: 1.8; }
.prose ul { display: grid; gap: 8px; margin: 12px 0; }
.prose li { position: relative; padding-left: 18px; color: var(--ink-2); font-size: 15px; line-height: 1.75; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--brand);
  transform: rotate(45deg);
}
.prose a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ink); }
.prose .updated {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}
.updated {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.err {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 140px 0 80px;
  background: var(--grad-soft);
  text-align: center;
}
.err-code {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--mono);
  font-size: clamp(84px, 17vw, 180px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.05em;
}
.err h1 { margin: 18px 0 10px; font-size: clamp(22px, 3vw, 32px); }
.err p { max-width: 44ch; margin: 0 auto; color: var(--ink-2); font-size: 15.5px; }
.err-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }

/* ---------- 21 动效 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--d, 0ms);
}
.js [data-reveal].in {
  opacity: 1;
  transform: none;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes coreFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 22 响应式 ---------- */
@media (max-width: 1120px) {
  .footer-main { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 1000px) {
  .hero { padding-top: 104px; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { margin-top: 12px; }
  .orbit { max-width: 340px; }
  .sec-head--split { grid-template-columns: minmax(0, 1fr); gap: 18px; align-items: start; }
  .fde { grid-template-columns: minmax(0, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.scenes { align-items: stretch; }
  .svc { grid-template-columns: minmax(0, 1fr); }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .page-title { max-width: none; }
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .form-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ind-head { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .ind-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .values { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .facts > div { grid-template-columns: minmax(0, 180px) minmax(0, 1fr); gap: 16px; align-items: baseline; }
  .footer-main { grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 0.9fr)) minmax(0, 1.1fr); }
  .footer-brand { grid-column: auto; }
  .footer-contact { grid-column: auto; }
  .job { grid-template-columns: minmax(0, 1fr) auto; }
  .job-go { display: grid; }
  .tool { grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); }
  .modes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .statgrid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .burger { display: none; }
  .hero-inner { grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr); }
  .orbit { max-width: 420px; }
  .hero-scroll { display: flex; }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .fde { grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr); gap: clamp(36px, 5vw, 76px); }
  .fde-copy { position: sticky; top: 116px; }
  .svc { grid-template-columns: minmax(0, 240px) minmax(0, 1fr); gap: clamp(24px, 4vw, 60px); }
  .svc-side { position: sticky; top: 132px; }
  .contact-grid { grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr); }
  .page-title { font-size: clamp(38px, 4.6vw, 56px); }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .stat { border-left: 0; padding-left: 0; }
  .statgrid { gap: 22px; }
  .pc-only { display: none; }
  .hero-title { font-size: clamp(32px, 9.4vw, 44px); }
  .orbit-node { font-size: 11.5px; padding: 6px 11px; }
  .orbit-node.n2 { transform: translate(0, -50%); }
  .orbit-node.n4 { transform: translate(0, -50%); }
  .cta-card { border-radius: 22px; }
  .faq-a { padding-right: 20px; }
  .subnav { top: 80px; }
  .svc, .ind { scroll-margin-top: 150px; }
  .tool { padding: 22px 18px; }
  .contact-item { padding: 18px; }
  .hero-scroll { display: none; }
}

@media (max-width: 420px) {
  .brand-text i { display: none; }
  .nav-inner { height: 68px; gap: 12px; }
  .subnav { top: 68px; }
}

/* ---------- 23 无障碍与打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}

@media print {
  .nav, .drawer, .marquee, .hero-scroll, .cta-glow, .orbit { display: none !important; }
  body { background: #fff; color: #111; }
  .hero, .page-hero, .err, .sec--alt, .cta-card { background: #fff !important; }
  .sec { padding: 18px 0; }
  .card, .step, .job, .facts, .tablewrap, .faq-item { box-shadow: none; border-color: #ddd; }
}


/* ---------- 24 核心团队 / 客户墙 ---------- */
.team { display: grid; gap: 18px; }
.team-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 30px);
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
  align-items: center;
}
.team-photo {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1;
  border-radius: 20px;
  object-fit: cover;
  background: var(--blue-50);
}
.team-role {
  margin: 0 0 8px;
  color: var(--brand);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.team-card h3 { font-size: clamp(21px, 2vw, 25px); }
.team-title { margin-top: 6px; color: var(--ink-3); font-size: 13.5px; font-weight: 600; }
.team-bio { margin-top: 12px; color: var(--ink-2); font-size: 14.5px; line-height: 1.75; }
.team-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.team-tags span {
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 600;
}
.team-quote {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--brand);
  font-size: 13.5px;
  font-weight: 700;
}
.team-lead {
  border-color: var(--blue-200);
  background: linear-gradient(150deg, #fff 40%, var(--blue-50));
}
.team-lead .team-photo { max-width: 260px; }

/* 首页团队条 */
.team-strip { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
.team-mini {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.3s, box-shadow 0.3s, translate 0.35s var(--ease);
}
.team-mini:hover { border-color: var(--blue-200); box-shadow: var(--shadow); translate: 0 -3px; }
.team-mini img { width: 56px; height: 56px; flex: none; border-radius: 50%; object-fit: cover; background: var(--blue-50); }
.team-mini b { display: block; color: var(--ink); font-size: 16px; font-weight: 700; }
.team-mini > div > span { display: block; margin-top: 2px; color: var(--ink-3); font-size: 12.5px; line-height: 1.5; }

/* 客户墙 */
.clientwall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 26px;
}
.clientwall span {
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-2);
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: var(--shadow-soft);
}

@media (min-width: 768px) {
  .team-card { grid-template-columns: 220px minmax(0, 1fr); }
  .team-lead { grid-template-columns: 260px minmax(0, 1fr); }
  .team-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .team-photo, .team-lead .team-photo { max-width: 160px; }
}

/* 未展示照片的合伙人：姓氏首字母牌 */
.team-initial {
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(150deg, var(--blue-50), #e9f6f6);
  color: var(--brand);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
@media (max-width: 767px) {
  .team-initial { max-width: 160px; font-size: 24px; }
}
.team-mini-initial {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--brand);
  font-size: 11.5px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0;
}



/* 无照片的合伙人卡：单列纯文字 */
.team-card--text { grid-template-columns: minmax(0, 1fr) !important; }
.team-card--text .team-bio { max-width: 62ch; }

/* 结语引号 */
.pullquote-q {
  font-family: Georgia, serif;
  color: var(--blue-200);
  font-size: 1.1em;
  margin-left: 2px;
}

/* ---------- 25 批注 v4 微调 ---------- */
/* 结语引号：单字符、同样字号、不单独占行 */
.pullquote .pq-mark {
  display: inline;
  font-family: inherit;
  font-size: 1em;
  font-weight: 400;
  line-height: inherit;
  color: var(--blue-200);
  letter-spacing: 0;
}
.pullquote { line-height: 1.65; }

/* 品牌区留白：logo 与文字拉开 */
.brand { gap: 14px; }
.brand-logo { width: 36px; height: 36px; }
.brand-text b { font-size: 19px; }
.brand-text i { margin-top: 2px; letter-spacing: 0.2em; }

/* 团队条：姓氏在圆圈视觉居中 */
.team-mini-initial {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  flex: none;
  font-size: 17px;
  line-height: 1;
  padding-bottom: 2px;
  border: 1px solid var(--blue-100);
  border-radius: 50%;
  background: linear-gradient(150deg, var(--blue-50), #e8f5f5);
  color: var(--brand);
  font-weight: 800;
}

/* ---------- 26 联系页专用 ---------- */
.quick-contact { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
.quick-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.3s, box-shadow 0.3s, translate 0.35s var(--ease);
}
.quick-card:hover { border-color: var(--blue-200); box-shadow: var(--shadow); translate: 0 -3px; }
.quick-card .cap-icon { width: 44px; height: 44px; margin: 0; flex: none; border-radius: 13px; }
.quick-card .cap-icon svg { width: 20px; height: 20px; }
.qc-body { display: flex; flex-direction: column; min-width: 0; }
.qc-body b { color: var(--ink-4); font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.qc-body span { margin-top: 2px; color: var(--ink); font-size: 16px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qc-body small { margin-top: 2px; color: var(--ink-3); font-size: 12px; }
.qc-arrow { margin-left: auto; color: var(--blue); transition: transform 0.3s var(--ease); }
.quick-card:hover .qc-arrow { transform: translateX(3px); }

.contact-person {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(150deg, #fff, var(--blue-50));
  box-shadow: var(--shadow-soft);
}
.contact-person img { width: 76px; height: 76px; border-radius: 16px; object-fit: cover; background: var(--blue-50); }
.contact-person h3 { margin: 2px 0 6px; font-size: 20px; }
.contact-person p { color: var(--ink-2); font-size: 13.5px; line-height: 1.65; }
.contact-person-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 12px; }
.contact-person-links a { color: var(--blue); font-family: var(--mono); font-size: 13px; font-weight: 700; }
.contact-person-links a:hover { color: var(--blue-deep); text-decoration: underline; text-underline-offset: 3px; }

.visit-card {
  margin-top: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.visit-line { display: flex; align-items: flex-start; gap: 9px; margin-top: 10px; color: var(--ink); font-size: 14.5px; font-weight: 600; }
.visit-line .ic { width: 16px; height: 16px; margin-top: 3px; flex: none; color: var(--brand); }
.visit-tip { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); color: var(--ink-3); font-size: 12.5px; line-height: 1.7; }

@media (min-width: 768px) {
  .quick-contact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}




/* ---------- 27 图批注 v8 ---------- */
/* 结语：去掉引号后的层级美化 */
.pullquote { max-width: 900px; margin: clamp(44px, 5vw, 68px) auto 0; text-align: center; }
.pullquote .pq-lead {
  display: block;
  margin-bottom: 14px;
  color: var(--ink-3);
  font-size: clamp(13px, 1.15vw, 15px);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.pullquote b {
  display: block;
  color: var(--ink);
  font-size: clamp(19px, 2.3vw, 27px);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.01em;
}
.pullquote b::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin: 20px auto 0;
  border-radius: 3px;
  background: var(--grad);
}

/* 团队卡：无照片成员用圆形姓氏牌 */
.team-badge {
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 180px;
  aspect-ratio: 1;
  margin: 0 auto;
  border: 1px solid var(--blue-100);
  border-radius: 50%;
  background: linear-gradient(150deg, var(--blue-50), #e6f4f5);
  color: var(--brand);
  font-size: clamp(44px, 5vw, 58px);
  font-weight: 800;
  line-height: 1;
  padding-bottom: 4px;
}

/* 联系页：侧栏二维码放大、地图入栏 */
.qr-card--lg { padding: 28px 22px; background: linear-gradient(160deg, var(--blue-50), #eefbf7); border-style: solid; border-color: var(--blue-100); }
.qr-card--lg img { width: 190px; height: 190px; }
.qr-card--lg b { font-size: 16px; }
.contact-grid aside .map { margin-top: 14px; }
@media (max-width: 767px) {
  .qr-card--lg img { width: 168px; height: 168px; }
  .team-badge { max-width: 132px; }
}


/* ---------- 28 排版细节：孤字与断行 ---------- */
h1, h2, h3, .h2, .cta-title, .page-title { text-wrap: balance; }
p, li, dd, dt, td, .case-kv dd, .card > p, .team-bio, .prose p { text-wrap: pretty; }


/* ---------- 29 中等宽度：首屏保持左右并排 ---------- */
@media (min-width: 860px) and (max-width: 1023px) {
  .hero { padding-top: 132px; }
  .hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 32px;
  }
  .hero-visual { margin-top: 0; }
  .hero-title { font-size: clamp(36px, 4.6vw, 46px); }
  .orbit { max-width: 340px; }
  .hero-scroll { display: none; }
}


/* ---------- 30 首屏去掉 eyebrow 后的间距 ---------- */
.hero-title { margin-bottom: 24px; }
.hero-copy > .hero-title:first-child { margin-top: 4px; }

/* ---------- 31 四条服务线 ---------- */
.line-card {
  position: relative;
  margin-top: 22px;
  padding: clamp(26px, 3.4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  scroll-margin-top: 128px;
}
.line-card:first-child { margin-top: 0; }
.line-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--grad);
}
.line-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.line-no {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
}
.line-badge {
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 20px -10px rgba(0, 112, 120, 0.65);
}
.line-title {
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.line-desc {
  max-width: 62ch;
  margin-top: 14px;
  color: var(--ink-2);
  font-size: clamp(15px, 1.3vw, 16.5px);
  line-height: 1.8;
}
.line-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.line-tags li {
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 600;
}
.line-rows { margin-top: 26px; border-top: 1px dashed var(--line); }
.line-rows > div {
  display: grid;
  grid-template-columns: minmax(0, 116px) minmax(0, 1fr);
  gap: 18px;
  padding: 15px 2px;
  border-bottom: 1px dashed var(--line);
}
.line-rows > div:last-child { border-bottom: 0; }
.line-rows dt {
  padding-top: 2px;
  color: var(--ink-4);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.line-rows dd { margin: 0; color: var(--ink); font-size: 15.5px; line-height: 1.7; }

/* 首页四条线卡片 */
.line-mini { display: flex; flex-direction: column; }
.line-mini h3 { margin-top: 2px; font-size: clamp(19px, 1.8vw, 22px); }
.line-mini .scene-go { margin-top: auto; padding-top: 16px; }

@media (max-width: 767px) {
  .line-rows > div { grid-template-columns: 1fr; gap: 4px; padding: 14px 0; }
}


/* ==================================================================
   32 全站视觉打磨 v14
   只调整字体 / 字距 / 颜色 / 间距与排版细节，不改内容与结构
   ================================================================== */

:root {
  /* 字体：拉丁优先（Inter / Segoe UI），中文回落到苹方 / 微软雅黑 */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI",
    Roboto, "Helvetica Neue", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei",
    "Hiragino Sans GB", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;

  /* 文字色阶：次要文字加深一档，保证在浅底上可读 */
  --ink-3: #66718a;
  --ink-4: #a3adc0;
  --line: #e7ecf5;
  --line-2: #f1f4fb;

  --sec-y: clamp(56px, 6.4vw, 96px);
}

/* ---------- 基础排版 ---------- */
body {
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.006em;
  font-feature-settings: "kern" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
p { line-height: 1.85; }
h1, h2, h3, h4 { letter-spacing: -0.022em; }

/* ---------- 标题层级 ---------- */
.hero-title {
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.page-title {
  font-size: clamp(31px, 4.8vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.028em;
}
.h2 {
  font-size: clamp(25px, 3.3vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.024em;
}
.card h3 { line-height: 1.35; letter-spacing: -0.012em; }
.cta-title { line-height: 1.18; letter-spacing: -0.026em; }

/* ---------- 正文与导语 ---------- */
.lead, .page-lead, .hero-sub {
  line-height: 1.8;
  letter-spacing: 0.004em;
}
.lead { max-width: 60ch; }

/* ---------- 区块节奏 ---------- */
.sec { padding: var(--sec-y) 0; }
.sec-head { margin: 0 auto clamp(28px, 3vw, 44px); }
.grid { gap: clamp(14px, 1.8vw, 20px); }
.card { padding: clamp(22px, 2.5vw, 30px); }
.card > p { line-height: 1.8; }

/* ---------- 小标签统一字距 ---------- */
.eyebrow b,
.line-no,
.card-index,
.team-role,
.case-when,
.qc-body b,
.stat-label { letter-spacing: 0.12em; }

/* ---------- 组件细节 ---------- */
.btn { letter-spacing: 0.02em; font-weight: 600; padding: 14px 26px; }
.btn .ic { transition: transform 0.3s var(--ease); }
.btn:hover .ic { transform: translateX(2px); }

.tag { font-size: 12.5px; letter-spacing: 0.015em; padding: 5px 12px; }

.textlink { font-weight: 700; letter-spacing: 0.01em; }
.textlink:hover { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1.5px; }

.nav-links a { font-size: 15px; letter-spacing: 0.01em; }
.footer { font-size: 14.5px; line-height: 1.9; }
.footer a { transition: color 0.25s var(--ease); }
.footer a:hover { color: #fff; }

.faq summary { font-weight: 700; letter-spacing: 0.005em; }

/* 数据与序号用等宽数字，避免跳动 */
.stat b,
.case-kv dd,
.line-rows dd,
.tool-out li { font-variant-numeric: tabular-nums; }

/* 次要标签不再用最浅一档，保证可读 */
.case-kv dt,
.line-rows dt,
.form-note,
.qc-body small { color: var(--ink-3); }
.form-note { font-size: 12.5px; }

/* ---------- 交互与可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--blue-2);
  outline-offset: 3px;
  border-radius: 6px;
}
::selection { background: rgba(99, 102, 241, 0.18); }

/* 卡片悬停更克制：只抬 3px，阴影加深一档 */
.card { transition: border-color 0.3s var(--ease), box-shadow 0.35s var(--ease), transform 0.35s var(--ease); }

/* 首屏副标题与 CTA 的间距节奏 */
.hero-sub { margin-top: 18px; }
.hero-actions { margin-top: 30px; }

/* 区块头与内容之间的呼吸（含左右分栏式区块头） */
.sec-head--split { align-items: end; }
.sec-head-side .lead { margin-top: 0; }