@charset "UTF-8";
/* ==========================================================================
   量动技术 · 企业官网样式表
   结构：01 设计令牌 / 02 基础重置 / 03 布局 / 04 组件 / 05 页面区块 / 06 响应式
   ========================================================================== */

/* ---------- 01 设计令牌 ---------- */
:root {
  /* 品牌色：深空蓝（理性、科技）+ 分子青（点缀、活力） */
  --ink:            #08172b;
  --navy:           #1b3f74;   /* 品牌深蓝表面：头部/侧栏/页脚/横幅统一 */
  --ink-soft:       #10243f;
  --brand:          #1a56db;
  --brand-dark:     #1442ab;
  --brand-soft:     #e8f0fe;
  --accent:         #00b4a6;
  --accent-soft:    #e2f7f5;

  /* 中性色 */
  --bg:             #ffffff;
  --bg-soft:        #f6f8fc;
  --bg-mute:        #eef2f8;
  --text:           #0f1e33;
  --muted:          #5b6b84;
  --line:           #e4e9f2;
  --line-strong:    #cfd8e6;

  /* 圆角 / 阴影 / 动效 */
  --radius:         14px;
  --radius-lg:      22px;
  --radius-pill:    999px;
  --shadow-sm:      0 2px 8px rgba(16, 36, 63, .06);
  --shadow:         0 10px 30px rgba(16, 36, 63, .08);
  --shadow-lg:      0 24px 60px rgba(8, 23, 43, .12);
  --ease:           cubic-bezier(.22, .61, .36, 1);

  /* 尺寸 */
  --maxw:           1200px;
  --header-h:      72px;

  /* 字体：中文优先 PingFang / 微软雅黑，数字与英文用 Inter 系回退 */
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
               "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
}

/* ---------- 02 基础重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

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

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s var(--ease), opacity .25s var(--ease);
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }

button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* ---------- 03 布局 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

.container--narrow { max-width: 880px; }

.section { padding-block: 96px; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding-block: 64px; }

/* 章节标题区 */
.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}
.section-head--center .eyebrow { justify-content: center; }

.section-title {
  font-size: clamp(28px, 3.4vw, 40px);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 17px;
  color: var(--muted);
}

/* 网格 */
.grid { display: grid; gap: 28px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 04 组件 ---------- */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  transition: all .3s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--primary {
  position: relative;
  overflow: hidden;
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 22px rgba(26, 86, 219, .28);
}
.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, .35) 50%, transparent 100%);
  transform: translateX(-120%);
  transition: transform .65s var(--ease);
  pointer-events: none;
}
.btn--primary:hover::after { transform: translateX(120%); }
.btn--primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(26, 86, 219, .34);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .38);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .7);
  transform: translateY(-2px);
}

.btn--outline {
  background: #fff;
  color: var(--brand);
  border-color: var(--line-strong);
}
.btn--outline:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
  transform: translateY(-2px);
}

/* 卡片 */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 22px;
  border-radius: 16px;
  background: var(--brand-soft);
  color: var(--brand);
}
.card__icon svg { width: 28px; height: 28px; }

.card__title {
  font-size: 20px;
  margin-bottom: 12px;
}
.card__text {
  font-size: 15px;
  color: var(--muted);
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: var(--radius-pill);
}
.tag--accent { color: #00796f; background: var(--accent-soft); }

/* ---------- 05 页面区块 ---------- */

/* === 顶部导航 === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--navy);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.header.is-stuck {
  border-bottom-color: rgba(255, 255, 255, .18);
  box-shadow: 0 6px 22px rgba(8, 23, 43, .18);
}

/* 头部改为品牌蓝实色：Logo / 导航 / CTA / 汉堡在蓝底上用浅色 */
.header .logo__cn { color: #fff; }
.header .logo__en { color: rgba(255, 255, 255, .7); }
.header .nav__link { color: rgba(255, 255, 255, .82); }
.header .nav__link:hover { color: #fff; background: rgba(255, 255, 255, .14); }
.header .nav__link.is-active { color: #fff; }
.header .nav__link.is-active::after { background: var(--accent); }
.header .header__cta.btn--primary {
  background: #fff;
  color: var(--brand);
  border-color: #fff;
  box-shadow: 0 8px 22px rgba(8, 23, 43, .22);
}
.header .header__cta.btn--primary:hover {
  background: var(--brand-soft);
  color: var(--brand-dark);
  border-color: #fff;
}
.header .nav-toggle { border-color: rgba(255, 255, 255, .35); }
.header .nav-toggle span { background: #fff; }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}
.logo__mark { width: 38px; height: 38px; flex: none; }
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__cn {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
}
.logo__en {
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav { display: flex; align-items: center; gap: 6px; }
.nav__link {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-pill);
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav__link:hover { color: var(--brand); background: var(--bg-soft); }
.nav__link.is-active { color: var(--brand); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 16px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
  transform: translateX(-50%);
}

.header__actions { display: flex; align-items: center; gap: 12px; flex: none; }
.header__cta { padding: 10px 22px; font-size: 14px; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* === Hero === */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: min(88vh, 760px);
  padding-block: 100px 90px;
  overflow: hidden;
  background: radial-gradient(120% 120% at 15% 10%, var(--navy) 0%, var(--ink) 55%, #050f1e 100%);
  color: #fff;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .62;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 23, 43, .92) 0%, rgba(8, 23, 43, .55) 55%, rgba(8, 23, 43, .25) 100%);
}
.hero__inner { position: relative; z-index: 2; }

.hero__content { max-width: 680px; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 12px;
  margin-bottom: 26px;
  font-size: 13.5px;
  font-weight: 500;
  color: #cfe0ff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius-pill);
}
.hero__eyebrow i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 180, 166, .22);
}

.hero__title {
  font-size: clamp(34px, 5.2vw, 60px);
  line-height: 1.22;
  color: #fff;
  margin-bottom: 24px;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(100deg, #6fb0ff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__desc {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .76);
  margin-bottom: 38px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* Hero 特色条（自助计算 / 公共平台 / 费用透明 / 知识库） */
.hero__features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 52px;
  padding-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}
.hfeat {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  overflow: hidden;
  transition: transform .35s var(--ease), background .35s var(--ease),
              border-color .35s var(--ease), box-shadow .35s var(--ease);
  animation: hfeatIn .6s var(--ease) both;
}
.hfeat:nth-child(1) { animation-delay: .10s; }
.hfeat:nth-child(2) { animation-delay: .20s; }
.hfeat:nth-child(3) { animation-delay: .30s; }
.hfeat:nth-child(4) { animation-delay: .40s; }
/* 顶部品牌高光：悬停时左向右展开 */
.hfeat::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.hfeat:hover,
.hfeat:focus-visible {
  background: rgba(255, 255, 255, .11);
  border-color: rgba(255, 255, 255, .28);
  box-shadow: 0 18px 36px rgba(0, 0, 0, .32);
}
.hfeat:hover { transform: translateY(-4px); }
.hfeat:hover::before,
.hfeat:focus-visible::before { transform: scaleX(1); }
.hfeat__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(0, 180, 166, .18);
  color: #5fe3d6;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
}
.hfeat__icon svg { width: 21px; height: 21px; }
/* 蓝青交替，避免四格图标一片同色、增加节奏 */
.hfeat:nth-child(even) .hfeat__icon { background: rgba(107, 176, 255, .18); color: #9dc6ff; }
.hfeat:hover .hfeat__icon,
.hfeat:focus-visible .hfeat__icon { background: var(--accent); color: #06231f; transform: scale(1.08) rotate(-4deg); }
.hfeat:nth-child(even):hover .hfeat__icon,
.hfeat:nth-child(even):focus-visible .hfeat__icon { background: #6fb0ff; color: #061a33; }
.hfeat__title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -.01em;
  margin-bottom: 5px;
}
.hfeat__desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .68);
  word-break: keep-all;      /* 中文只在标点处断行，不拆词 */
  overflow-wrap: anywhere;   /* 极窄屏兜底，避免溢出 */
}
@keyframes hfeatIn {
  from { opacity: 0; translate: 0 14px; }
  to   { opacity: 1; translate: 0 0; }
}

/* === 业务卡片（首页） === */
.biz-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.biz-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.biz-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 32px 0;
}
.biz-card__index {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--line-strong);
}
.biz-card__body { padding: 22px 32px 32px; }
.biz-card__title {
  font-size: 22px;
  margin-bottom: 6px;
}
.biz-card__sub {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--accent);
  margin-bottom: 16px;
}
.biz-card__text { font-size: 15px; color: var(--muted); margin-bottom: 22px; }
.biz-card__list { display: grid; gap: 10px; margin-bottom: 26px; }
.biz-card__list li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  color: var(--text);
}
.biz-card__list svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--brand); }
.biz-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  font-size: 15px;
  font-weight: 600;
  color: var(--brand);
}
.biz-card__link svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.biz-card__link:hover svg { transform: translateX(4px); }

/* === 优势 === */
.feature {
  padding: 30px 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  transition: all .35s var(--ease);
}
.feature:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.feature__num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--brand);
  margin-bottom: 14px;
}
.feature__title { font-size: 18px; margin-bottom: 10px; }
.feature__text { font-size: 14.5px; color: var(--muted); }

/* 自助计算：卡片图标（特色业务复用 .feature） */
.feature__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border-radius: 13px;
  background: var(--brand-soft);
  color: var(--brand);
}
.feature__icon svg { width: 24px; height: 24px; }

/* 自助计算：概览大卡（左文右标签，两栏等高） */
.selfcalc-lead {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: stretch;
  padding: 40px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, rgba(26, 86, 219, .06) 0%, rgba(0, 180, 166, .06) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.selfcalc-lead__icon {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: #fff;
  color: var(--brand);
  box-shadow: var(--shadow-sm);
}
.selfcalc-lead__icon svg { width: 30px; height: 30px; }
.selfcalc-lead__main h3 { font-size: 24px; margin-bottom: 10px; }
.selfcalc-lead__desc { font-size: 15.5px; color: var(--muted); margin-bottom: 20px; }
.selfcalc-lead__list { display: grid; gap: 10px; margin-bottom: 24px; }
.selfcalc-lead__list li { display: flex; gap: 10px; font-size: 14.5px; color: var(--text); }
.selfcalc-lead__list svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--brand); }
.selfcalc-lead__aside {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.selfcalc-lead__aside .eyebrow { margin-bottom: 14px; }
.selfcalc-lead__aside .software { justify-content: flex-start; }
.selfcalc-caps { margin-top: 0; }

/* === 流程 === */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.step { position: relative; padding-right: 24px; }
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 22px;
  right: 4px;
  width: 26px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 4px, transparent 4px 8px);
}
.step__dot {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  background: #fff;
  border: 1.5px solid var(--brand-soft);
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(26, 86, 219, .1);
}
.step__title { font-size: 17px; margin-bottom: 8px; }
.step__text { font-size: 14px; color: var(--muted); }

/* === 应用领域 === */
.field {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all .3s var(--ease);
}
.field:hover { border-color: var(--accent); transform: translateY(-3px); }
.field__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: 12px;
  background: var(--accent-soft);
  color: #00796f;
}
.field__icon svg { width: 22px; height: 22px; }
.field__name { font-size: 16px; font-weight: 600; }
.field__desc { font-size: 13px; color: var(--muted); }

/* === 页脚 === */
.footer {
  padding-top: 72px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--ink) 100%);
  color: rgba(255, 255, 255, .72);
  font-size: 14.5px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer__logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer__logo .logo__cn { color: #fff; }
.footer__logo .logo__en { color: rgba(255, 255, 255, .45); }
.footer__about { line-height: 1.9; max-width: 320px; }

.footer__title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer__list { display: grid; gap: 12px; }
.footer__list a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 12px; margin-bottom: 14px; line-height: 1.7; }
.footer__contact svg { width: 17px; height: 17px; flex: none; margin-top: 4px; color: var(--accent); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-block: 24px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13.5px;
  color: rgba(255, 255, 255, .45);
}
.footer__links { display: flex; gap: 22px; }

/* === 页内横幅（内页共用） === */
.page-banner {
  position: relative;
  padding-block: 92px 84px;
  overflow: hidden;
  background: radial-gradient(120% 150% at 80% 0%, var(--navy) 0%, var(--ink) 65%);
  color: #fff;
}
.page-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,.14)'/%3E%3C/svg%3E") repeat;
}
.page-banner__inner { position: relative; z-index: 1; }
.page-banner__title {
  font-size: clamp(30px, 4vw, 46px);
  color: #fff;
  margin-bottom: 16px;
}
.page-banner__desc {
  max-width: 660px;
  font-size: 17px;
  color: rgba(255, 255, 255, .72);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .55);
}
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255, 255, 255, .35); }

/* 内页横幅：动态分子背景画布 + 标题入场动画（与首页 Hero 风格统一） */
.page-banner__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: .5;
  pointer-events: none;
}
.page-banner::after { z-index: 0; }   /* 点阵网格置于画布之下 */
.page-banner__inner { z-index: 2; }   /* 文字内容置于最上层 */

.page-banner__inner > .breadcrumb,
.page-banner__inner > .page-banner__title,
.page-banner__inner > .page-banner__desc {
  animation: bannerIn .85s var(--ease) both;
}
.page-banner__inner > .page-banner__title { animation-delay: .1s; }
.page-banner__inner > .page-banner__desc { animation-delay: .22s; }
@keyframes bannerIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

/* === 关于我们 === */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--brand-soft) 0%, #dbe6fb 55%, var(--accent-soft) 100%);
  overflow: hidden;
}
.about-visual__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 86, 219, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 86, 219, .09) 1px, transparent 1px);
  background-size: 40px 40px;
}
.about-visual__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: .85;
}
.about-visual__orb--1 {
  width: 46%; height: 46%;
  top: 14%; left: 12%;
  background: radial-gradient(circle at 32% 30%, #6fb0ff, var(--brand) 70%);
  box-shadow: 0 20px 50px rgba(26, 86, 219, .3);
}
.about-visual__orb--2 {
  width: 30%; height: 30%;
  right: 14%; top: 32%;
  background: radial-gradient(circle at 32% 30%, #8ff0e5, var(--accent) 72%);
  box-shadow: 0 16px 40px rgba(0, 180, 166, .28);
}
.about-visual__orb--3 {
  width: 22%; height: 22%;
  left: 32%; bottom: 14%;
  background: radial-gradient(circle at 32% 30%, #ffffff, #9dc2ff 72%);
  box-shadow: 0 14px 34px rgba(16, 36, 63, .18);
}
.about-visual__label {
  position: absolute;
  left: 28px;
  bottom: 26px;
  padding: 12px 18px;
  background: rgba(255, 255, 255, .9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-visual__label strong { display: block; font-size: 22px; color: var(--ink); }
.about-visual__label span { font-size: 13px; color: var(--muted); }

.about__text + .about__text { margin-top: 18px; }
.about__text { color: var(--muted); font-size: 16px; }

.value-list { display: grid; gap: 22px; margin-top: 32px; }
.value-item { display: flex; gap: 16px; }
.value-item__icon {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  flex: none;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
}
.value-item__icon svg { width: 20px; height: 20px; }
.value-item__title { font-size: 16.5px; font-weight: 600; margin-bottom: 4px; }
.value-item__text { font-size: 14.5px; color: var(--muted); }

/* 时间轴 */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand) 0%, var(--accent) 100%);
  border-radius: 2px;
}
.timeline__item { position: relative; padding-bottom: 40px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -34px; top: 6px;
  width: 16px; height: 16px;
  background: #fff;
  border: 3px solid var(--brand);
  border-radius: 50%;
}
.timeline__year {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--brand);
  margin-bottom: 6px;
}
.timeline__title { font-size: 19px; margin-bottom: 8px; }
.timeline__text { font-size: 15px; color: var(--muted); }

/* 团队 */
.member {
  text-align: center;
  padding: 32px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all .35s var(--ease);
}
.member:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.member__avatar {
  display: grid;
  place-items: center;
  width: 84px; height: 84px;
  margin: 0 auto 18px;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(140deg, var(--brand) 0%, #3f7bff 100%);
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(26, 86, 219, .24);
}
.member--alt .member__avatar { background: linear-gradient(140deg, var(--accent) 0%, #35d6c4 100%); box-shadow: 0 10px 26px rgba(0, 180, 166, .24); }
.member__name { font-size: 18px; margin-bottom: 4px; }
.member__role { font-size: 14px; color: var(--brand); font-weight: 500; margin-bottom: 14px; }
.member__text { font-size: 14px; color: var(--muted); }

/* === 服务项目 === */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}
.tab {
  padding: 11px 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  transition: all .28s var(--ease);
}
.tab:hover { color: var(--brand); border-color: var(--brand); }
.tab.is-active {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 8px 20px rgba(26, 86, 219, .25);
}

.panel { display: none; animation: fadeUp .45s var(--ease) both; }
.panel.is-active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 48px;
}
.panel__title { font-size: clamp(24px, 2.8vw, 32px); margin-bottom: 14px; }
.panel__lead { font-size: 16.5px; color: var(--muted); }

.service-item {
  display: flex;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px dashed var(--line);
}
.service-item:last-child { border-bottom: none; }
.service-item__icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  flex: none;
  border-radius: 13px;
  background: var(--bg-soft);
  color: var(--brand);
  border: 1px solid var(--line);
}
.service-item__icon svg { width: 22px; height: 22px; }
.service-item__title { font-size: 17px; margin-bottom: 6px; }
.service-item__text { font-size: 14.5px; color: var(--muted); }
.service-item__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.service-item__tags span {
  padding: 3px 12px;
  font-size: 12.5px;
  color: var(--muted);
  background: var(--bg-soft);
  border-radius: var(--radius-pill);
}

.panel__aside {
  padding: 34px 32px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.panel__aside h4 { font-size: 17px; margin-bottom: 18px; }
.panel__aside ul { display: grid; gap: 14px; }
.panel__aside li { display: flex; gap: 11px; font-size: 14.5px; color: var(--muted); }
.panel__aside svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--accent); }

/* 交付物 */
.deliver-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.deliver {
  padding: 26px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}
.deliver__icon { color: var(--brand); margin-bottom: 14px; }
.deliver__icon svg { width: 26px; height: 26px; margin-inline: auto; }
.deliver__name { font-size: 15.5px; font-weight: 600; margin-bottom: 6px; }
.deliver__desc { font-size: 13.5px; color: var(--muted); }

/* 软件支持 */
.software {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.software span {
  padding: 9px 20px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  transition: all .28s var(--ease);
}
.software span:hover { color: var(--brand); border-color: var(--brand); transform: translateY(-2px); }

/* === 联系我们 === */
.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.contact-card {
  display: flex;
  gap: 18px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 18px;
  transition: all .3s var(--ease);
}
.contact-card:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.contact-card__icon {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  flex: none;
  border-radius: 14px;
  background: var(--brand-soft);
  color: var(--brand);
}
.contact-card__icon svg { width: 22px; height: 22px; }
.contact-card__label { font-size: 13.5px; color: var(--muted); margin-bottom: 4px; }
.contact-card__value { font-size: 17px; font-weight: 600; color: var(--ink); }
.contact-card__note { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ---------- 客服企业微信二维码 ---------- */
.cs-block {
  margin-top: 26px;
  padding: 24px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.cs-block__title { font-size: 17px; margin-bottom: 6px; }
.cs-block__desc { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.cs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.cs-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.cs-card__qr {
  flex: none;
  width: 116px;
  height: 116px;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.cs-card__qr svg { display: block; width: 100%; height: 100%; }
.cs-card__qr--empty {
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--muted);
  background: var(--bg-soft);
}
.cs-card__title { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.cs-card__desc { font-size: 13px; color: var(--muted); line-height: 1.7; }
.cs-loading { font-size: 13.5px; color: var(--muted); }

/* 联系表单 */
.contact-form { margin-top: 26px; }
.contact-form .cf-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 14px;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 13.5px;
  color: var(--ink);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 11px 13px;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
  font-family: inherit;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, .14);
}
.contact-form textarea { resize: vertical; }
.contact-form .cf-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
}
.contact-form .cf-tip { font-size: 13.5px; color: var(--muted); }
.contact-form .cf-tip--ok { color: #0a8a4a; }
.contact-form .cf-tip--err { color: #d23b3b; }
@media (max-width: 620px) {
  .contact-form .cf-row { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .cs-grid { grid-template-columns: 1fr; }
  .cs-card { flex-direction: column; }
}

.map {
  position: relative;
  height: 240px;
  margin-top: 18px;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(140deg, #eaf0fb 0%, #dfe9f9 100%);
  border: 1px solid var(--line);
}
.map__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(26, 86, 219, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 86, 219, .12) 1px, transparent 1px);
  background-size: 32px 32px;
}
.map__pin {
  position: absolute;
  left: 50%; top: 48%;
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  color: #fff;
  background: var(--brand);
  border-radius: 50% 50% 50% 4px;
  transform: rotate(-45deg) translate(-50%, -50%);
  transform-origin: 0 0;
  box-shadow: 0 10px 24px rgba(26, 86, 219, .3);
}
.map__pin svg { width: 20px; height: 20px; transform: rotate(45deg); }
.map__tip {
  position: absolute;
  left: 20px; bottom: 20px;
  padding: 10px 16px;
  font-size: 13.5px;
  background: rgba(255, 255, 255, .92);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}

/* 表单 */
.form-card {
  padding: 44px 44px 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
}
.form-label .req { color: #e5484d; margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.form-control::placeholder { color: #9aa8bd; }
.form-control:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(26, 86, 219, .12);
}
textarea.form-control { min-height: 128px; resize: vertical; line-height: 1.7; }
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235b6b84' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 42px;
}

.form-error {
  display: none;
  margin-top: 6px;
  font-size: 13px;
  color: #d93025;
}
.form-group.has-error .form-control { border-color: #e5484d; }
.form-group.has-error .form-error { display: block; }

/* Field hint: separates the public display name from info used only for verification */
.field-note {
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}
.field-note--secure { color: #177a4b; }
/* 表单内的整体说明行（不属于某个具体字段，如注册页的隐私说明） */
.form-tip {
  margin: 0 0 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.form-agree {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 24px;
  font-size: 13.5px;
  color: var(--muted);
}
.form-agree input { margin-top: 4px; accent-color: var(--brand); }
.form-agree a { color: var(--brand); text-decoration: underline; }

.form-submit { width: 100%; padding: 15px; font-size: 16px; }

.form-success {
  display: none;
  padding: 40px 32px;
  text-align: center;
}
.form-success__icon {
  display: grid;
  place-items: center;
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
}
.form-success__icon svg { width: 30px; height: 30px; }
.form-success__title { font-size: 21px; margin-bottom: 10px; }
.form-success__text { font-size: 15px; color: var(--muted); }

/* FAQ */
.faq { max-width: 860px; margin-inline: auto; }
.faq__item {
  margin-bottom: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.faq__item.is-open { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 20px 24px;
  font-size: 16.5px;
  font-weight: 600;
  text-align: left;
  color: var(--ink);
  background: transparent;
  border: 0;
}
.faq__q:hover { color: var(--brand); }
.faq__icon {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  flex: none;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 50%;
  transition: transform .3s var(--ease);
}
.faq__icon svg { width: 15px; height: 15px; }
.faq__item.is-open .faq__icon { transform: rotate(45deg); }
.faq__a {
  display: none;
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--muted);
}
.faq__item.is-open .faq__a { display: block; animation: fadeUp .35s var(--ease) both; }

/* ---------- 动效：滚动显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 06 响应式 ---------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .hero__features { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 32px 24px; }
  .step::after { display: none; }
  .deliver-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .about-split { gap: 48px; }
  .panel__head { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 24px 24px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .3s var(--ease);
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav__link { padding: 13px 8px; border-radius: 10px; }
  .nav__link.is-active::after { display: none; }
  .nav-toggle { display: block; }
  .header__cta { display: none; }
  .selfcalc-lead { grid-template-columns: 1fr; gap: 28px; padding: 30px 26px; }
}

@media (max-width: 768px) {
  .section { padding-block: 68px; }
  .section-head { margin-bottom: 40px; }
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .deliver-grid { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer__grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 30px 24px 28px; }
  .hero { min-height: auto; padding-block: 76px 68px; }
  .hero__features { margin-top: 48px; }
  .card { padding: 28px 24px; }
}

@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .hero__features { grid-template-columns: 1fr; gap: 12px; margin-top: 40px; padding-top: 30px; }
  .hero__actions .btn { width: 100%; }
}

/* 无障碍：尊重系统减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* 跳转到主内容（键盘用户） */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--brand);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  transition: top .25s var(--ease);
}
.skip-link:focus { top: 12px; }

/* 返回顶部 */
.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  color: #fff;
  background: var(--brand);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(26, 86, 219, .3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .3s var(--ease);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--brand-dark); }
.to-top svg { width: 20px; height: 20px; }

/* 语言切换浮层（无主导航的页面，如登录/控制台）*/
.lang-switch-float{position:fixed;top:14px;right:14px;z-index:1300;display:inline-block;background:#1a56db;color:#fff;padding:7px 14px;border-radius:22px;font-size:13px;font-weight:600;line-height:1;text-decoration:none;box-shadow:0 4px 14px rgba(8,23,43,.28)}.lang-switch-float:hover{background:#1648b8;color:#fff}

/* === 微交互增强（悬停反馈 + 阅读进度，纯前端零服务端开销） === */
.card__icon,
.feature__icon,
.field__icon,
.biz-card__icon {
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
}
.card:hover .card__icon,
.biz-card:hover .card__icon,
.feature:hover .feature__icon {
  transform: scale(1.1) rotate(-4deg);
  background: var(--brand);
  color: #fff;
}
.field:hover .field__icon {
  transform: scale(1.08) rotate(-4deg);
  background: var(--accent);
  color: #fff;
}
.feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.btn--ghost {
  position: relative;
  overflow: hidden;
}
.btn--ghost::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, .28) 50%, transparent 100%);
  transform: translateX(-120%);
  transition: transform .65s var(--ease);
  pointer-events: none;
}
.btn--ghost:hover::after { transform: translateX(120%); }

/* 顶部阅读进度条 */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1500;
  pointer-events: none;
}
.reading-progress > span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transition: transform .08s linear;
}

/* === 新增动效：光标聚光 / 横幅视差 / 成功彩带（均零服务端开销） === */

/* 1) 光标聚光：hero 与内页横幅随鼠标移动的分子青/品牌蓝光晕 */
.page-banner__glow,
.hero__glow {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity .45s ease;
  background:
    radial-gradient(460px circle at var(--spot-x, 50%) var(--spot-y, 38%),
      rgba(0, 180, 166, .22), rgba(26, 86, 219, .12) 38%, transparent 62%);
}
.page-banner:hover .page-banner__glow,
.hero:hover .hero__glow { opacity: 1; }

/* 2) 提交成功：一次性彩带 + 提示气泡弹出（由 main.js 注入与触发） */
.confetti-layer {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  overflow: hidden;
}
.confetti-layer i {
  position: absolute;
  width: 9px;
  height: 14px;
  border-radius: 2px;
  opacity: .95;
  will-change: transform, opacity;
  animation: confetti-fall 2.2s cubic-bezier(.2, .6, .3, 1) forwards;
}
@keyframes confetti-fall {
  0%   { transform: translate(0, 0) rotate(0); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) rotate(var(--rot)); opacity: 0; }
}
.cf-tip--ok { animation: tip-pop .4s var(--ease) both; }
@keyframes tip-pop {
  from { transform: scale(.96); opacity: .4; }
  to   { transform: scale(1); opacity: 1; }
}

/* ===================== 费用透明（首页 · 定价合理性说明） ===================== */
.price-card {
  position: relative;
  padding: 28px 26px 26px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
  overflow: hidden;
}
.price-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.price-card:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-4px); }
.price-card:hover::before { opacity: 1; }
.price-card__icon {
  display: grid; place-items: center;
  width: 46px; height: 46px; margin-bottom: 16px;
  border-radius: 13px;
  background: var(--brand-soft); color: var(--brand);
}
.price-card__icon svg { width: 23px; height: 23px; }
.price-card__title { font-size: 17px; margin-bottom: 8px; }
.price-card__text { font-size: 14px; color: var(--muted); line-height: 1.7; }
.price-card__tag {
  display: inline-block;
  margin-top: 14px;
  padding: 3px 12px;
  font-size: 12.5px; font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius-pill);
}

/* 费用示例 */
.pricing-example {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 30px;
}
.pricing-scenario {
  padding: 26px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.pricing-scenario__head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.pricing-scenario__tag {
  font-size: 12.5px; font-weight: 700; letter-spacing: .04em;
  color: #fff; background: var(--brand);
  padding: 4px 12px; border-radius: var(--radius-pill);
}
.pricing-scenario h3 { font-size: 17px; }
.pricing-scenario > p { font-size: 14.5px; color: var(--muted); margin: 0 0 14px; }
.price-line {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 9px 0;
  border-top: 1px dashed var(--line-strong);
  font-size: 14.5px;
}
.price-line:first-of-type { border-top: none; }
.price-line span:last-child { font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.price-line--muted span:last-child { color: var(--muted); font-weight: 600; }
.price-bar {
  display: flex; height: 12px; border-radius: var(--radius-pill); overflow: hidden;
  margin: 4px 0 6px; background: var(--line);
}
.price-bar > i { display: block; height: 100%; }
.price-bar > i.labor { background: var(--brand); }
.price-bar > i.fee { background: var(--accent); }
.price-bar__legend { display: flex; flex-wrap: wrap; gap: 18px; font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.price-bar__legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }

.pricing-note {
  margin-top: 26px;
  padding: 18px 24px;
  border-radius: var(--radius);
  background: var(--brand-soft);
  color: var(--ink-soft);
  font-size: 14.5px;
  display: flex; gap: 12px; align-items: flex-start;
}
.pricing-note svg { flex: none; width: 20px; height: 20px; color: var(--brand); margin-top: 2px; }
.pricing-note b { color: var(--brand); }

@media (max-width: 768px) {
  .pricing-example { grid-template-columns: 1fr; }
}

/* ===================== Legal page: Terms of Service & Confidentiality Statement ===================== */
.legal { max-width: 880px; margin-inline: auto; }
.legal__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding: 14px 18px;
  margin-bottom: 26px;
  font-size: 13px;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.legal__meta b { color: var(--text); font-weight: 600; }
.legal__toc {
  padding: 22px 24px;
  margin-bottom: 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.legal__toc-title { font-size: 15px; margin-bottom: 12px; }
.legal__toc ol {
  margin: 0;
  padding-left: 20px;
  columns: 2;
  column-gap: 34px;
}
.legal__toc li { margin-bottom: 8px; font-size: 14.5px; break-inside: avoid; }
.legal__toc a { color: var(--brand); text-decoration: none; }
.legal__toc a:hover { text-decoration: underline; }
.legal__part { scroll-margin-top: 96px; }
.legal__h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 52px 0 8px;
  font-size: 24px;
}
.legal__h2::before {
  content: "";
  flex: none;
  width: 34px; height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}
.legal__sub { margin: 0 0 20px; font-size: 14.5px; color: var(--muted); }
.legal h3 { margin: 26px 0 8px; font-size: 17px; }
.legal p { margin: 0 0 12px; font-size: 15px; line-height: 1.9; color: var(--text); }
.legal ul { margin: 0 0 14px; padding-left: 22px; }
.legal li { margin-bottom: 7px; font-size: 15px; line-height: 1.85; color: var(--text); }
.legal li::marker { color: var(--accent); }
.legal a { color: var(--brand); }
.legal__note {
  padding: 16px 18px;
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  background: var(--brand-soft);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.legal__note strong { color: var(--brand-dark); }
.legal__end {
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--muted);
}
@media (max-width: 768px) {
  .legal__toc { padding: 18px 20px; }
  .legal__toc ol { columns: 1; }
  .legal__h2 { font-size: 21px; }
}

/* ===================== 404 页面 ===================== */
.err { padding: 128px 0 112px; text-align: center; }
.err__eyebrow { display: inline-block; font-size: 13px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.err__code {
  margin: 18px 0 0;
  font-size: 104px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
  background: linear-gradient(120deg, var(--brand), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.err__title { margin: 10px 0 0; font-size: 32px; color: var(--ink); }
.err__desc { margin: 16px auto 0; max-width: 560px; font-size: 16px; line-height: 1.9; color: var(--muted); }
.err__actions { margin-top: 36px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.err__hint { margin-top: 40px; font-size: 14px; color: var(--muted); }

@media (max-width: 640px) {
  .err { padding: 88px 0 72px; }
  .err__code { font-size: 76px; }
  .err__title { font-size: 24px; }
}