/* ==========================================================================
   XEMORE 易陌科技 · 官网样式
   参考语言：国内 SaaS 营销站（凡科 / 易陌陪玩云）—— 浅色底、蓝色主色、
   橙色主行动、浏览器框产品预览、信任条与大数字。
   工程约束：4px 栅格 / 三档文字 / 卡片圆角 14 / 按钮 10 / 单一阴影体系
   ========================================================================== */

:root {
  /* 表面 */
  --bg: #ffffff;
  --bg-soft: #f5f8ff;
  --bg-soft-2: #eef4ff;
  --line: #e6ebf5;
  --line-strong: #d3dcec;

  /* 文字 */
  --ink: #0f172a;
  --text: #1d2939;
  --text-2: #4a5568;
  --text-3: #667085;

  /* 品牌与状态 */
  --brand: #1f5eff;
  --brand-dark: #1546cc;
  --brand-weak: #eaf1ff;
  --cta: #ff8a1e;
  --cta-dark: #f07700;
  --ok: #0e7a3f;
  --ok-weak: #e6f7ee;
  --warn: #b45309;
  --warn-weak: #fff4e5;
  --bad: #dc2626;
  --bad-weak: #fdeaea;
  --done-weak: #f1f4fa;

  /* 尺寸 */
  --shell: 1180px;
  --gap: 24px;
  --radius-btn: 10px;
  --radius-card: 14px;
  --radius-panel: 18px;
  --radius-tag: 6px;

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 16px 40px rgba(23, 58, 140, 0.10);
  --shadow-lg: 0 24px 64px rgba(23, 58, 140, 0.14);

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC",
    "Noto Sans SC", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  margin: 0 0 12px;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 3.6vw, 3.1rem); line-height: 1.18; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
h3 { font-size: 1.0625rem; font-weight: 600; }
h4 { font-size: 0.9375rem; font-weight: 600; }

p { margin: 0 0 16px; color: var(--text-2); }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 16px; padding-left: 20px; color: var(--text-2); }
li { margin-bottom: 6px; }
li:last-child { margin-bottom: 0; }

strong { color: var(--ink); font-weight: 600; }

em { font-style: normal; color: var(--brand); }

::selection { background: var(--brand-weak); color: var(--brand-dark); }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 90;
  padding: 8px 16px;
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius-btn);
  font-size: 0.875rem;
}
.skip-link:focus { left: 16px; }

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

/* ------------------------------------------------------------------ 容器 */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 32px;
}

/* ------------------------------------------------------------------ 顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(1.2) blur(12px);
  -webkit-backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand__mark {
  position: relative;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--brand);
}

.brand__mark::before,
.brand__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 15px;
  height: 2px;
  border-radius: 1px;
  background: #fff;
}

.brand__mark::before { transform: translate(-50%, -50%) rotate(45deg); }
.brand__mark::after { transform: translate(-50%, -50%) rotate(-45deg); opacity: 0.75; }

.brand__text strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.brand__text small {
  display: block;
  font-size: 0.6875rem;
  line-height: 1.4;
  color: var(--text-3);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav li { margin: 0; flex-shrink: 0; }

.site-nav a {
  display: block;
  padding: 8px 14px;
  white-space: nowrap;
  font-size: 0.9375rem;
  line-height: 22px;
  color: var(--text-2);
  border-radius: 8px;
  transition: color 140ms var(--ease), background-color 140ms var(--ease);
}

.site-nav a:hover { color: var(--brand); background: var(--brand-weak); }

.site-nav a[aria-current="page"] { color: var(--brand); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.header-tel {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.875rem;
  line-height: 20px;
  color: var(--text-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-btn);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  transition: border-color 140ms var(--ease), color 140ms var(--ease);
}

.header-tel:hover { border-color: var(--brand); color: var(--brand); }

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-btn);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle span { position: relative; display: block; width: 16px; height: 1.5px; background: currentColor; }
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1.5px;
  background: currentColor;
}
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }

/* ------------------------------------------------------------------ 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 24px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 140ms var(--ease), border-color 140ms var(--ease),
    color 140ms var(--ease), box-shadow 140ms var(--ease);
}

.btn--cta {
  background: var(--cta);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.btn--cta:hover { background: var(--cta-dark); }

.btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--brand-dark); }

.btn--ghost {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }

.btn--sm { min-height: 36px; padding: 0 16px; font-size: 0.875rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ------------------------------------------------------------------ 首屏 */
.hero {
  position: relative;
  padding: 64px 0 72px;
  background: #f2f7ff;
  border-bottom: 1px solid var(--line);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: 56px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--brand-dark);
}

.hero__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
}

.hero h1 {
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.hero .lede {
  max-width: 32em;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-2);
}

.hero__note {
  margin: 16px 0 0;
  font-size: 0.8125rem;
  color: var(--text-3);
}

/* 首屏视觉：浏览器框 + 手机框 */
.hero__visual {
  position: relative;
  padding: 0 0 32px 0;
}

.mock {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mock__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #f7f9fd;
  border-bottom: 1px solid var(--line);
}

.mock__dots { display: inline-flex; gap: 6px; }
.mock__dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #dbe3f0;
}

.mock__url {
  flex: 1;
  padding: 4px 10px;
  font-size: 0.6875rem;
  color: var(--text-3);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock__body { padding: 0; }

.mock__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.mock__stat { padding: 16px; border-right: 1px solid var(--line); }
.mock__stat:last-child { border-right: 0; }
.mock__stat dt { font-size: 0.75rem; color: var(--text-3); line-height: 1.5; }
.mock__stat dd {
  margin: 2px 0 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}
.mock__stat dd small { margin-left: 2px; font-size: 0.75rem; font-weight: 400; color: var(--text-3); }
.mock__stat .up { margin-left: 6px; font-size: 0.6875rem; font-weight: 600; color: var(--ok); }

.order-list { margin: 0; padding: 0; list-style: none; }

.order-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.order-list li:last-child { border-bottom: 0; }

.order-game { font-size: 0.875rem; color: var(--ink); font-weight: 500; }
.order-meta { margin-left: 4px; font-size: 0.75rem; color: var(--text-3); }

.mock__foot {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 16px;
  font-size: 0.75rem;
  color: var(--text-3);
  background: #f9fbff;
  border-top: 1px solid var(--line);
}

.mock__foot strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.6;
  border-radius: 6px;
  white-space: nowrap;
}

.badge--wait { color: var(--warn); background: var(--warn-weak); }
.badge--live { color: var(--brand); background: var(--brand-weak); }
.badge--done { color: var(--text-2); background: var(--done-weak); }
.badge--cancel { color: var(--bad); background: var(--bad-weak); }
.badge--ok { color: var(--ok); background: var(--ok-weak); }

/* 手机框 */
.phone {
  position: absolute;
  right: -16px;
  bottom: -8px;
  width: 184px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow-lg);
}

.phone__screen {
  padding: 12px;
  background: var(--bg-soft);
  border-radius: 20px;
}

.phone__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.6875rem;
  color: var(--text-3);
}

.phone__shop {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 8px;
}

.phone__logo {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.phone__shop strong { display: block; font-size: 0.75rem; color: var(--ink); line-height: 1.4; }
.phone__shop span { display: block; font-size: 0.6875rem; color: var(--text-3); }

.phone__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  background: #fff;
  border-radius: 10px;
  margin-bottom: 6px;
  font-size: 0.6875rem;
  color: var(--text-2);
}

.phone__item b { font-size: 0.75rem; color: var(--brand); font-weight: 600; }

.phone__cta {
  margin-top: 8px;
  padding: 8px;
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #fff;
  background: var(--brand);
  border-radius: 10px;
}

/* ------------------------------------------------------------------ 信任条 */
.trust { background: #fff; border-bottom: 1px solid var(--line); }

.trust__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin: 0;
  padding: 28px 0;
  list-style: none;
}

.trust__list li { display: flex; align-items: flex-start; gap: 12px; margin: 0; }

.trust__badge {
  flex-shrink: 0;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-weak);
  border-radius: 9px;
}

.trust__list strong { display: block; font-size: 0.9375rem; font-weight: 500; color: var(--ink); line-height: 1.5; }
.trust__list span { display: block; font-size: 0.8125rem; color: var(--text-3); line-height: 1.6; }

/* ------------------------------------------------------------------ 数字带 */
.stats-band { background: var(--bg-soft); border-bottom: 1px solid var(--line); }

.stats-band__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin: 0;
  padding: 40px 0;
  list-style: none;
  text-align: center;
}

.stats-band__list li { margin: 0; }

.stats-band__num {
  display: block;
  font-size: clamp(1.75rem, 2.8vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stats-band__num i { font-style: normal; font-size: 0.5em; font-weight: 600; margin-left: 2px; color: var(--text-3); }
.stats-band__label { display: block; margin-top: 4px; font-size: 0.875rem; color: var(--text-2); }

/* ------------------------------------------------------------------ 区块 */
.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--soft { background: var(--bg-soft); }

.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head p { margin-bottom: 0; font-size: 1rem; }

.section-head--left { margin-left: 0; text-align: left; }

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

.card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 160ms var(--ease), border-color 160ms var(--ease);
}

.card:hover { border-color: #cfdcf5; box-shadow: var(--shadow-md); }

.card h3 { margin-bottom: 8px; }
.card p { margin-bottom: 0; font-size: 0.9375rem; }

a.card__meta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--brand);
  font-weight: 500;
}
a.card__meta:hover { color: var(--brand-dark); }

span.card__meta {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--text-3);
}

.card__badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 2px 8px;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--brand);
  background: var(--brand-weak);
  border-radius: var(--radius-tag);
}

.card__num {
  display: block;
  margin-bottom: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand);
}

/* 功能分组卡片 */
.group-card { padding: 28px; }
.group-card h3 { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-size: 1.125rem; }
.group-card h3 span {
  padding: 1px 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-3);
  background: var(--bg-soft);
  border-radius: 4px;
}
.group-card dl { margin: 0; }
.group-card dt { margin-top: 16px; font-size: 0.9375rem; font-weight: 500; color: var(--ink); }
.group-card dd { margin: 4px 0 0; font-size: 0.875rem; line-height: 1.7; color: var(--text-2); }

/* 面板 */
.panel {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-sm);
}

.panel h3 { margin-top: 0; }
.panel ul { margin-bottom: 0; }
.panel p { font-size: 0.9375rem; }

/* ------------------------------------------------------------------ 分栏 */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 48px;
  align-items: start;
}

.split--wide { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 56px; }

/* ------------------------------------------------------------------ 流程 */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  counter-increment: step;
  position: relative;
  margin: 0;
  padding: 24px 24px 24px 64px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 24px;
  width: 24px;
  height: 26px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-weak);
  border-radius: 8px;
}

.steps strong { display: block; margin-bottom: 4px; font-weight: 600; color: var(--ink); }
.steps p { margin: 0; font-size: 0.875rem; }

.split .steps { grid-template-columns: minmax(0, 1fr); }

/* 订单链路 */
.flow {
  counter-reset: f;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow li {
  counter-increment: f;
  position: relative;
  margin: 0;
  padding: 20px 16px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  font-size: 0.875rem;
  color: var(--text-2);
  box-shadow: var(--shadow-sm);
}

.flow li::before {
  content: "" counter(f, decimal-leading-zero);
  display: block;
  margin-bottom: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand);
}

.flow li strong { display: block; margin-bottom: 2px; font-weight: 600; color: var(--ink); }

/* 状态机条 */
.state-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 32px 0 0;
  padding: 20px 24px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}

.state-strip__label { margin-right: 8px; font-size: 0.8125rem; font-weight: 600; color: var(--text-2); }

.state-chip {
  padding: 3px 10px;
  font-size: 0.8125rem;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-tag);
}

.state-chip--key { color: var(--brand); border-color: #cfe0ff; background: var(--brand-weak); }
.state-chip--end { color: var(--text-3); }

.state-arrow { font-size: 0.8125rem; color: var(--line-strong); }

/* ------------------------------------------------------------------ 表格 */
.info-table,
.compare {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9375rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.info-table th,
.info-table td,
.compare th,
.compare td {
  padding: 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.info-table tr:last-child th,
.info-table tr:last-child td,
.compare tr:last-child th,
.compare tr:last-child td { border-bottom: 0; }

.info-table th {
  width: 30%;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-3);
  white-space: nowrap;
  background: var(--bg-soft);
}

.info-table td { color: var(--ink); }

.compare caption {
  caption-side: top;
  padding: 0 0 12px;
  text-align: left;
  font-size: 0.8125rem;
  color: var(--text-3);
}

.compare thead th {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--bg-soft);
  white-space: nowrap;
}

.compare tbody th { width: 32%; font-size: 0.875rem; font-weight: 400; color: var(--text-2); }
.compare td { color: var(--text-2); }
.compare .yes { color: var(--ok); font-weight: 600; }
.compare .no { color: var(--text-3); }

/* ------------------------------------------------------------------ FAQ */
.faq { display: grid; gap: 12px; }

.faq details {
  padding: 0 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  transition: border-color 160ms var(--ease);
}

.faq details[open] { border-color: #cfdcf5; }

.faq summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--brand);
  line-height: 1;
}

.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 20px; font-size: 0.9375rem; }

/* ------------------------------------------------------------------ 面包屑 */
/* 面包屑与子页头共用一条底色，避免出现「白色窄带 + 浅底区块」的断层 */
.breadcrumb {
  position: relative;
  padding: 24px 32px 8px;
  font-size: 0.8125rem;
  color: var(--text-3);
  background: #f5f8ff;
  box-shadow: 0 0 0 100vmax #f5f8ff;
  clip-path: inset(0 -100vmax);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
.breadcrumb li + li::before { content: "/"; color: var(--line-strong); }
.breadcrumb a:hover { color: var(--brand); }

/* ------------------------------------------------------------------ 子页头 */
.page-hero {
  padding: 24px 0 56px;
  background: #f5f8ff;
  border-bottom: 1px solid var(--line);
}

.page-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  gap: 56px;
  align-items: center;
}

.page-hero h1 { margin-bottom: 16px; }

.page-hero__aside {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-md);
}

.page-hero__aside h2 {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-3);
}

.page-hero__aside ul { margin: 0; padding: 0; list-style: none; font-size: 0.875rem; color: var(--text-2); }

.page-hero__aside li {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.page-hero__aside li:first-child { padding-top: 0; border-top: 0; }
.page-hero__aside li:last-child { padding-bottom: 0; }

/* ------------------------------------------------------------------ 数字卡 */
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }

.stat {
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
}

.stat__num {
  display: block;
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.stat__num .unit { margin-left: 4px; font-size: 0.875rem; font-weight: 500; color: var(--text-3); }
.stat__label { display: block; margin-top: 6px; font-size: 0.875rem; font-weight: 500; color: var(--text); }
.stat__note { display: block; margin-top: 4px; font-size: 0.75rem; color: var(--text-3); }

/* ------------------------------------------------------------------ 角色卡 */
.role h3 { margin-bottom: 12px; }
.role__list { margin: 0; padding-left: 16px; font-size: 0.875rem; }
.role__list li { margin-bottom: 6px; }

/* ------------------------------------------------------------------ 计费 */
.price-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }

.price {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
}

.price__num { font-size: 2rem; font-weight: 600; line-height: 1.1; color: var(--ink); font-variant-numeric: tabular-nums; }
.price__unit { margin-left: 6px; font-size: 0.8125rem; font-weight: 500; color: var(--text-3); }
.price h3 { margin: 12px 0 6px; font-size: 1rem; }
.price p { margin: 0; font-size: 0.875rem; }

/* ------------------------------------------------------------------ 规格清单 */
.spec-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }

.spec-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 0;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-tag);
}

.spec-list strong { min-width: 4.5em; font-weight: 600; color: var(--ink); }

.spec-list--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ------------------------------------------------------------------ 行动区 */
.cta {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 48px;
  align-items: center;
  padding: 48px;
  background: var(--bg-soft);
  border: 1px solid #d8e6ff;
  border-radius: var(--radius-panel);
}

.cta h2 { margin-bottom: 10px; }

.cta__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-self: end;
  width: 100%;
  max-width: 320px;
}

.cta__meta { font-size: 0.8125rem; line-height: 1.8; color: var(--text-3); }
.cta__meta a { color: var(--text-2); }
.cta__meta a:hover { color: var(--brand); }

/* ------------------------------------------------------------------ 页脚 */
.site-footer {
  padding: 64px 0 28px;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.85fr));
  gap: 40px;
}

.footer-col h2 { margin: 0 0 12px; font-size: 0.875rem; font-weight: 500; color: var(--ink); }
.footer-col ul { margin: 0; padding: 0; list-style: none; font-size: 0.875rem; }
.footer-col li { margin-bottom: 8px; color: var(--text-2); }
.footer-col a { transition: color 140ms var(--ease); }
.footer-col a:hover { color: var(--brand); }

.footer-desc { max-width: 30em; margin: 16px 0 0; font-size: 0.875rem; color: var(--text-3); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
  font-size: 0.8125rem;
  color: var(--text-3);
}

.footer-bottom a:hover { color: var(--brand); }

/* ------------------------------------------------------------------ 404 */
.error-page {
  display: grid;
  place-items: center;
  min-height: 58vh;
  padding: 88px 0;
  text-align: center;
}

.error-page__code {
  margin: 0 0 8px;
  font-size: clamp(3.5rem, 9vw, 5rem);
  font-weight: 600;
  line-height: 1;
  color: #cfdcf5;
}

/* ------------------------------------------------------------------ 标签列表 */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }

.tag-list li {
  margin: 0;
  padding: 5px 12px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

/* 两列清单 */
.list-2col { column-count: 2; column-gap: 32px; }
.list-2col li { break-inside: avoid; }

/* ------------------------------------------------------------------ 响应式 */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .hero__visual { padding-right: 0; max-width: 620px; }
  .phone { right: 8px; }
  .page-hero__inner { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .split, .split--wide { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust__list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .stats-band__list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta { grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 32px; }
  .cta__actions { justify-self: start; max-width: none; }
  .section { padding: 72px 0; }
  .spec-list--3 { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 1100px) {
  .header-tel { display: none; }
  .site-nav a { padding: 8px 12px; }
}

@media (max-width: 860px) {
  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 16px 16px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .site-nav a { padding: 12px; }
  .nav-toggle { display: inline-flex; }
  .header-tel { display: none; }
  .grid--2, .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }
  .hero { padding: 48px 0 56px; }
}

@media (max-width: 430px) {
  .brand__text small { display: none; }
  .header-inner { gap: 12px; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .shell { padding: 0 20px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .stat-grid, .flow, .price-grid { grid-template-columns: minmax(0, 1fr); }
  .trust__list { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .stats-band__list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .section { padding: 56px 0; }
  .compare th, .compare td, .info-table th, .info-table td { padding: 12px; }
  .compare thead th { white-space: normal; }
  .cta { padding: 24px; }
  .phone { display: none; }
  .mock__stat { padding: 12px; }
  .order-list li { padding: 12px; }
  .list-2col { column-count: 1; }
}

/* 超窄屏：顶栏只保留 logo 与菜单，CTA 交给首屏 */
@media (max-width: 380px) {
  .header-actions .btn { display: none; }
}

/* 正文内的强调链接文字 */
.text-accent { color: var(--brand); }
.text-accent:hover { color: var(--brand-dark); }

/* ------------------------------------------------------------------ 配图 */
.card__media {
  display: block;
  margin: -24px -24px 20px;
  border-bottom: 1px solid var(--line);
  border-radius: 13px 13px 0 0;
  overflow: hidden;
  background: var(--bg-soft);
}

.card__media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
}

.shots { display: grid; gap: 24px; }

.shot { margin: 0; }

.shot img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.shot figcaption {
  margin-top: 10px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-3);
}

/* 桌面端：浏览器框 */
.browser-shot {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-md);
}

.browser-shot__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #f7f9fd;
  border-bottom: 1px solid var(--line);
}

.browser-shot__bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #dbe3f0;
}

.browser-shot__bar span {
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--text-3);
}

.browser-shot img { display: block; width: 100%; }

/* 移动端：手机框 */
.shots--phones {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}

.phone-shot { margin: 0; text-align: center; }

.phone-shot img {
  display: block;
  width: 100%;
  max-width: 260px;
  margin: 0 auto;
  border: 5px solid #fff;
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}

.phone-shot figcaption {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--text-3);
}

@media (max-width: 860px) {
  .shots--phones { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .phone-shot img { border-width: 3px; border-radius: 16px; }
}

@media (max-width: 640px) {
  .shots--phones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 无配图的收尾卡片 */
.card--soft {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg-soft);
  border-style: dashed;
}

.card--soft:hover { background: var(--bg-soft-2); }

/* 两列手机截图 */
.shots--phones2 { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 640px; margin-left: auto; margin-right: auto; }

/* 窄幅单图 */
.shot--narrow { max-width: 300px; margin: 32px auto 0; }

/* ------------------------------------------------------------------ 产品中心下拉 */
.site-nav > ul > li { position: relative; }

.has-menu > a::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  opacity: 0.55;
}

.submenu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  width: 520px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-md);
  z-index: 45;
}

/* 透明桥接层：填平导航与面板之间的间隙，避免鼠标经过时丢 hover */
.submenu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -16px;
  height: 16px;
}

.has-menu:hover > .submenu,
.has-menu:focus-within > .submenu { display: grid; }

.submenu a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  transition: background-color 140ms var(--ease);
}

.submenu a:hover,
.submenu a[aria-current="page"] { background: var(--brand-weak); }

.submenu b {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
}

.submenu span {
  display: block;
  margin-top: 2px;
  font-size: 0.75rem;
  color: var(--text-3);
  line-height: 1.5;
}

@media (max-width: 860px) {
  .submenu {
    position: static;
    transform: none;
    width: auto;
    display: none;
    grid-template-columns: minmax(0, 1fr);
    padding: 4px 0 8px 12px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }
  .has-menu.is-open > .submenu { display: grid; }
  .submenu::before { display: none; }
  .submenu a { padding: 8px 10px; }
  .submenu span { display: none; }
  .has-menu > a::after { transform: translateY(-3px) rotate(45deg); }
  .has-menu.is-open > a::after { transform: translateY(0) rotate(225deg); }
}

/* 概况列表的标签 */
.page-hero__aside li b {
  flex-shrink: 0;
  min-width: 4.5em;
  font-weight: 500;
  color: var(--text-3);
}

/* 下拉的收起/展开细节 */
.has-menu:hover > a::after { transform: translateY(0) rotate(225deg); }

@media (max-width: 860px) {
  .submenu b { font-weight: 500; color: var(--text-2); }
  .has-menu > a::after { opacity: 0.45; }
}

/* 奇数步流程：末条占满整行，避免右下留空 */
.steps > li:last-child:nth-child(odd) { grid-column: 1 / -1; }

@media (max-width: 860px) {
  .steps > li:last-child:nth-child(odd) { grid-column: auto; }
}

/* 窄屏：面包屑保留上下留白（.shell 的 padding 简写会覆盖它） */
@media (max-width: 640px) {
  .breadcrumb { padding: 16px 20px 8px; }
}

/* 窄屏：多行说明左对齐更好读，标题仍可居中 */
@media (max-width: 640px) {
  .section-head { text-align: left; }
}