/* ===========================================================
   敏洽官网 — 全站样式
   风格：工业科技深色
   =========================================================== */

/* ---------- 设计变量：改色只需改这里 ---------- */
:root {
  --bg: #070b14;
  --bg-2: #0c1220;
  --bg-3: #111a2c;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.06);
  --line: rgba(120, 160, 220, 0.16);
  --line-strong: rgba(120, 180, 255, 0.35);

  --brand: #1e9bff;
  --brand-2: #00e0c6;
  --brand-deep: #0b64c8;
  --accent: #ffb02e;

  --text: #eaf1fb;
  --text-2: #a9bad2;
  --text-3: #6e819b;

  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --max: 1200px;
  --nav-h: 68px;

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 基础重置 ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.35; font-weight: 700; }
p { margin: 0; }

::selection { background: var(--brand); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: #23324c; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #2f4568; }

/* ---------- 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.section--panel { background: var(--bg-2); }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mt-56 { margin-top: 56px; }

/* ---------- 通用文字块 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--brand-2);
  text-transform: uppercase;
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: linear-gradient(90deg, var(--brand-2), transparent);
}

.section-title {
  font-size: clamp(26px, 3.2vw, 40px);
  letter-spacing: -0.5px;
  margin-top: 14px;
}
.section-desc {
  color: var(--text-2);
  font-size: 16px;
  margin-top: 16px;
  max-width: 860px;
}
.section-head--center { text-align: center; }
.section-head--center .section-desc { margin-left: auto; margin-right: auto; }

.lead { font-size: 17px; color: var(--text-2); }
.muted { color: var(--text-3); }
.hl { color: var(--brand-2); font-weight: 600; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  color: #fff;
  box-shadow: 0 10px 30px rgba(30, 155, 255, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(30, 155, 255, 0.4); }
.btn-ghost {
  background: var(--panel-2);
  border-color: var(--line-strong);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(30, 155, 255, 0.14); border-color: var(--brand); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-weight: 600;
  font-size: 14px;
}
.link-arrow::after { content: "→"; transition: transform 0.2s; }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(30, 155, 255, 0.12);
  border: 1px solid rgba(30, 155, 255, 0.28);
  color: #9fd2ff;
}
.tag--teal { background: rgba(0, 224, 198, 0.1); border-color: rgba(0, 224, 198, 0.3); color: #7ff0e2; }
.tag--amber { background: rgba(255, 176, 46, 0.1); border-color: rgba(255, 176, 46, 0.3); color: #ffd08a; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: var(--panel-2);
}
.card__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(30,155,255,0.22), rgba(0,224,198,0.14));
  border: 1px solid var(--line-strong);
  font-size: 20px;
  margin-bottom: 16px;
}
.card__title { font-size: 18px; }
.card__text { color: var(--text-2); font-size: 14.5px; margin-top: 10px; }
.card__num {
  position: absolute;
  right: 18px; top: 10px;
  font-size: 54px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.04);
  letter-spacing: -2px;
}

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(7, 11, 20, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s;
}
.nav.is-stuck { background: rgba(7, 11, 20, 0.95); border-bottom-color: var(--line); }
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.logo__mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  display: grid; place-items: center;
  font-weight: 800; color: #05121f; font-size: 17px;
}
.logo__text { font-weight: 700; font-size: 17px; letter-spacing: 0.5px; }
.logo__sub { font-size: 11px; color: var(--text-3); display: block; line-height: 1.2; letter-spacing: 1px; }

.nav__menu { display: flex; align-items: center; gap: 2px; flex-wrap: nowrap; }
.nav__link {
  padding: 9px 11px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.2s, background 0.2s;
  display: block;
  white-space: nowrap;
}
.nav__link:hover, .nav__link.is-active { color: #fff; background: rgba(255, 255, 255, 0.06); }

.nav__item { position: relative; }
.nav__dd {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 250px;
  background: #0e1626;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: 0.22s;
}
.nav__item:hover .nav__dd { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav__dd a { display: block; padding: 10px 12px; border-radius: 8px; font-size: 14px; }
.nav__dd a:hover { background: rgba(30, 155, 255, 0.12); }
.nav__dd small { display: block; color: var(--text-3); font-size: 12px; }

.nav__actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }

.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 90px) 0 96px;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 12% 0%, rgba(30, 155, 255, 0.22), transparent 60%),
    radial-gradient(760px 460px at 88% 20%, rgba(0, 224, 198, 0.14), transparent 62%),
    linear-gradient(180deg, #081020, var(--bg));
}
.hero__grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120, 170, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 30%, transparent 78%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 56px; align-items: center; }
.hero h1 {
  font-size: clamp(30px, 4.4vw, 54px);
  letter-spacing: -1.2px;
  margin-top: 18px;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--brand-2), var(--brand));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
/* 长句型主标题：字号略小、行高略松 */
.hero h1.hero__h1--hl {
  font-size: clamp(24px, 3.2vw, 40px);
  letter-spacing: -0.6px;
  line-height: 1.42;
}
.hero__quote {
  margin-top: 26px;
  padding: 18px 22px;
  border-left: 3px solid var(--brand);
  background: rgba(30, 155, 255, 0.07);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 16px;
  color: #d5e6fb;
}
.hero__visual { position: relative; }
.hero__visual img {
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
}
.hero__chip {
  position: absolute;
  background: rgba(10, 18, 32, 0.92);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 13px;
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}
.hero__chip b { color: var(--brand-2); display: block; font-size: 18px; }
.hero__chip--tl { left: -18px; top: 28px; }
.hero__chip--br { right: -14px; bottom: -18px; }

/* 统计条 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stats__item { background: var(--bg-2); padding: 26px 22px; text-align: center; }
.stats__num { font-size: 30px; font-weight: 800; color: var(--brand-2); letter-spacing: -1px; }
.stats__label { font-size: 13.5px; color: var(--text-2); margin-top: 4px; }

/* ---------- 业务三大板块 ---------- */
.biz-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.biz-card__img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.biz-card__body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.biz-card__list { margin-top: 14px; display: grid; gap: 8px; }
.biz-card__list li { font-size: 14px; color: var(--text-2); padding-left: 18px; position: relative; }
.biz-card__list li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand);
}
.biz-card__foot { margin-top: auto; padding-top: 20px; }

/* ---------- 价值 / 责任边界 ---------- */
.value-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.value-item__no {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 20px;
  background: linear-gradient(135deg, rgba(30,155,255,0.2), rgba(0,224,198,0.12));
  border: 1px solid var(--line-strong);
  color: var(--brand-2);
}

.split-table {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.split-table__col { padding: 28px; background: var(--bg-2); }
.split-table__col + .split-table__col { border-left: 1px solid var(--line); background: rgba(30, 155, 255, 0.05); }
.split-table__head { font-size: 16px; font-weight: 700; padding-bottom: 14px; border-bottom: 1px dashed var(--line); margin-bottom: 16px; }
.split-table__col li { font-size: 14.5px; color: var(--text-2); padding: 8px 0 8px 24px; position: relative; }
.split-table__col li::before { content: "▪"; position: absolute; left: 4px; color: var(--brand); }

/* ---------- 行业 ---------- */
.industry {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
  transition: transform 0.25s, border-color 0.25s;
}
.industry:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.industry img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.42; transition: opacity 0.3s, transform 0.4s; }
.industry:hover img { opacity: 0.62; transform: scale(1.05); }
.industry__mask { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,11,20,0.15), rgba(7,11,20,0.92)); }
.industry__body { position: relative; padding: 20px; }
.industry__name { font-size: 17px; font-weight: 700; }
.industry__en { font-size: 11.5px; letter-spacing: 0.3px; color: var(--brand-2); margin-top: 5px; line-height: 1.5; }
.industry__text { font-size: 13px; color: var(--text-2); margin-top: 6px; }

/* 行业详情：英文标语与覆盖领域 */
.industry-detail__en { font-size: 13px; letter-spacing: 0.3px; color: var(--brand-2); margin-top: 8px; }
.scope-row { display: flex; flex-wrap: wrap; gap: 8px; }
.scope-chip {
  font-size: 12px;
  color: var(--text-2);
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
}

/* 已服务领域：紧凑卡片与次要锚点样式 */
.industry-brief { display: flex; flex-direction: column; }
.filter-btn--ghost { opacity: 0.62; }
.filter-btn--ghost:hover { opacity: 1; }
.inline-link { color: var(--brand-2); border-bottom: 1px solid transparent; }
.inline-link:hover { border-bottom-color: var(--brand-2); }

/* ---------- 案例 ---------- */
.case-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.case-card__img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.case-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.case-card__title { font-size: 17px; margin-top: 12px; }
.case-card__text { font-size: 14px; color: var(--text-2); margin-top: 10px; }
.case-card__metrics { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); }
.case-card__metric b { display: block; color: var(--brand-2); font-size: 19px; }
.case-card__metric span { font-size: 12px; color: var(--text-3); }
.case-card__foot { margin-top: auto; padding-top: 18px; }
.case-card__link { display: block; color: inherit; transition: color 0.2s; }
.case-card__title .case-card__link:hover { color: var(--brand-2); }

/* ---------- 案例详情页 ---------- */
.case-detail { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; align-items: start; }
.case-detail__cover { border-radius: var(--radius-lg); border: 1px solid var(--line-strong); width: 100%; }
.case-detail__lead { font-size: 16.5px; color: var(--text-2); margin-top: 24px; }
.case-detail__block { margin-top: 36px; }
.case-detail__block h2 { font-size: 21px; }
.case-detail__block p { color: var(--text-2); font-size: 15px; margin-top: 12px; }

/* 详情页右侧信息栏：客户、业务线、行业与关键指标 */
.case-aside { position: sticky; top: calc(var(--nav-h) + 24px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 24px; }
.case-aside__title { font-size: 15px; color: var(--brand-2); letter-spacing: 1px; }
.case-facts { margin-top: 16px; }
.case-facts__item + .case-facts__item { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); }
.case-facts__k { font-size: 12.5px; color: var(--text-3); }
.case-facts__v { font-size: 15px; margin-top: 2px; }

/* 关键指标网格：详情页正文中的醒目数字 */
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.metric-grid__item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); padding: 20px; text-align: center; }
.metric-grid__item b { display: block; color: var(--brand-2); font-size: 26px; line-height: 1.2; }
.metric-grid__item span { font-size: 13px; color: var(--text-3); }

/* 案例筛选 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-btn {
  padding: 8px 18px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--text-2); font-size: 14px; cursor: pointer;
  transition: 0.2s; font-family: inherit;
}
.filter-btn:hover { color: #fff; border-color: var(--line-strong); }
.filter-btn.is-active { background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: #fff; border-color: transparent; }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.flow__step { position: relative; padding: 24px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.flow__step::after {
  content: "";
  position: absolute; right: -12px; top: 50%;
  width: 10px; height: 10px;
  border-top: 2px solid var(--line-strong);
  border-right: 2px solid var(--line-strong);
  transform: translateY(-50%) rotate(45deg);
}
.flow__step:last-child::after { display: none; }
.flow__no { font-size: 12px; letter-spacing: 2px; color: var(--brand-2); font-weight: 700; }
.flow__title { font-size: 16px; margin-top: 8px; }
.flow__text { font-size: 13px; color: var(--text-2); margin-top: 8px; }

/* ---------- 规格表 ---------- */
.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 14.5px; }
.spec-table th, .spec-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table thead th { background: var(--bg-3); color: #fff; font-size: 14px; letter-spacing: 0.5px; }
.spec-table tbody tr { background: var(--bg-2); }
.spec-table tbody tr:nth-child(even) { background: rgba(255, 255, 255, 0.018); }
.spec-table td { color: var(--text-2); }
.spec-table td:first-child { color: var(--text); font-weight: 600; width: 210px; }
.spec-table tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }

/* ---------- 资料下载 ---------- */
.doc-row {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: 0.22s;
}
.doc-row:hover { border-color: var(--line-strong); background: var(--panel-2); }
.doc-row__icon {
  width: 44px; height: 44px; flex: 0 0 44px;
  border-radius: 10px; display: grid; place-items: center;
  background: rgba(30, 155, 255, 0.14);
  border: 1px solid var(--line-strong);
  font-size: 12px; font-weight: 800; color: #9fd2ff;
}
.doc-row__main { flex: 1; min-width: 0; }
.doc-row__title { font-size: 15.5px; font-weight: 600; }
.doc-row__meta { font-size: 12.5px; color: var(--text-3); margin-top: 3px; }

/* ---------- FAQ ---------- */
.faq { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq__item + .faq__item { border-top: 1px solid var(--line); }
.faq__q {
  width: 100%; text-align: left;
  padding: 20px 24px;
  background: var(--bg-2);
  border: 0; color: var(--text);
  font-size: 16px; font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq__q span { color: var(--brand); font-size: 22px; line-height: 1; transition: transform 0.25s; }
.faq__item.is-open .faq__q span { transform: rotate(45deg); }
.faq__a { display: none; padding: 0 24px 22px; color: var(--text-2); font-size: 14.5px; background: var(--bg-2); }
.faq__item.is-open .faq__a { display: block; }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--brand), rgba(30,155,255,0.05)); }
.timeline__item { position: relative; padding-bottom: 28px; }
.timeline__item::before {
  content: ""; position: absolute; left: -28px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--brand);
}
.timeline__year { color: var(--brand-2); font-weight: 700; font-size: 14px; letter-spacing: 1px; }
.timeline__text { color: var(--text-2); font-size: 14.5px; margin-top: 4px; }

/* ---------- 页面头部（子页） ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 70px) 0 64px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 420px at 20% 0%, rgba(30, 155, 255, 0.2), transparent 62%),
    radial-gradient(600px 380px at 82% 10%, rgba(0, 224, 198, 0.12), transparent 65%),
    linear-gradient(180deg, #081020, var(--bg));
}
.page-hero__inner { position: relative; }
.page-hero h1 { font-size: clamp(27px, 3.6vw, 44px); letter-spacing: -1px; margin-top: 16px; }
.breadcrumb { font-size: 13px; color: var(--text-3); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span { margin: 0 8px; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: linear-gradient(120deg, rgba(30, 155, 255, 0.18), rgba(0, 224, 198, 0.08)), var(--bg-2);
  text-align: center;
}
.cta h2 { font-size: clamp(22px, 2.6vw, 32px); }
.cta p { color: var(--text-2); margin-top: 14px; }
.cta .btn-row { justify-content: center; margin-top: 28px; }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 13.5px; color: var(--text-2); }
.field label i { color: #ff6b6b; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font-size: 14.5px;
  font-family: inherit;
  outline: none;
  transition: 0.2s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); background: rgba(30, 155, 255, 0.07); }
.field select option { background: #0e1626; }
.form__note { font-size: 12.5px; color: var(--text-3); }
.form__msg { display: none; padding: 12px 16px; border-radius: 10px; font-size: 14px; background: rgba(0, 224, 198, 0.12); border: 1px solid rgba(0, 224, 198, 0.35); color: #8ff2e5; }
.form__msg.is-show { display: block; }

/* ---------- 联系方式卡 ---------- */
.contact-card { display: grid; gap: 6px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.contact-card__label { font-size: 13px; color: var(--text-3); letter-spacing: 1px; }
.contact-card__value { font-size: 18px; font-weight: 700; color: var(--brand-2); word-break: break-all; }

/* ---------- 页脚 ---------- */
.footer { background: #060a11; border-top: 1px solid var(--line); padding: 62px 0 26px; margin-top: 0; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer__desc { color: var(--text-3); font-size: 14px; margin-top: 16px; max-width: 330px; }
.footer__title { font-size: 15px; margin-bottom: 16px; }
.footer__list li { margin-bottom: 10px; }
.footer__list a { font-size: 14px; color: var(--text-2); }
.footer__list a:hover { color: var(--brand); }
.footer__bottom {
  margin-top: 44px; padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: space-between;
  font-size: 13px; color: var(--text-3);
}

/* ---------- 悬浮咨询 ---------- */
.float-cta {
  position: fixed; right: 22px; bottom: 26px; z-index: 90;
  display: grid; gap: 10px;
}
.float-cta__btn {
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  color: #fff; font-size: 20px;
  box-shadow: 0 12px 28px rgba(30, 155, 255, 0.4);
  border: 0; cursor: pointer;
  transition: transform 0.2s;
}
.float-cta__btn:hover { transform: scale(1.08); }
.float-cta__btn--ghost { background: var(--bg-3); border: 1px solid var(--line-strong); box-shadow: var(--shadow); }

/* ---------- 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .logo__sub { display: none; }
  .nav__link { padding: 9px 8px; font-size: 13.5px; }
}

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .hero__chip--tl, .hero__chip--br { display: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow__step::after { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .case-detail { grid-template-columns: 1fr; }
  .case-aside { position: static; }
}

@media (max-width: 880px) {
  .nav__toggle { display: grid; place-items: center; }
  .nav__menu {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: #0b1220;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 2px;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__dd {
    position: static; transform: none; opacity: 1; visibility: visible;
    box-shadow: none; background: transparent; border: 0;
    padding: 0 0 8px 14px; min-width: 0;
    display: none;
  }
  .nav__item.is-open .nav__dd { display: block; }
  .nav__actions .btn { display: none; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .split-table { grid-template-columns: 1fr; }
  .split-table__col + .split-table__col { border-left: 0; border-top: 1px solid var(--line); }
  .form__row { grid-template-columns: 1fr; }
  .cta { padding: 40px 24px; }
  .footer__top { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .spec-table td:first-child { width: auto; }
  .metric-grid { grid-template-columns: 1fr; }
}