:root {
  --ink: #0b1020;
  --text: #1a2036;
  --muted: #667085;
  --line: #e6e8f2;
  --brand: #3b30f0;
  --brand-2: #7a5cff;
  --brand-3: #36c5f0;
  --brand-soft: #eeedff;
  --bg-soft: #f6f7fd;
  --night: #070a1f;
  --night-2: #0d1238;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 16, 32, .04), 0 12px 32px rgba(11, 16, 32, .07);
  --shadow-lg: 0 2px 4px rgba(11, 16, 32, .04), 0 24px 56px rgba(41, 33, 160, .16);
  --grad: linear-gradient(135deg, #3b30f0 0%, #7a5cff 100%);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
h1, h2, h3, h4, p { margin: 0; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* 顶部导航 */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(230, 232, 242, .9);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); font-size: 17px; white-space: nowrap; }
.logo-img { width: 36px; height: 36px; flex: none; display: block; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text b { font-size: 17px; font-weight: 800; letter-spacing: -.2px; }
.logo-text small { font-size: 12px; font-weight: 500; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a { padding: 8px 14px; border-radius: 10px; font-size: 15px; font-weight: 500; color: #3a4259; transition: background .15s, color .15s; }
.nav a:hover { background: var(--bg-soft); color: var(--ink); }
.nav a.active { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.nav a.nav-cta { background: var(--grad); color: #fff; margin-left: 10px; padding: 9px 18px; font-weight: 600; box-shadow: 0 6px 16px rgba(59, 48, 240, .28); }
.nav a.nav-cta:hover { color: #fff; filter: brightness(1.08); }
.lang-btn { border: 1px solid var(--line); border-radius: 10px; padding: 7px 12px; font-size: 14px; font-weight: 500; color: #3a4259; margin-left: 8px; white-space: nowrap; flex: none; background: #fff; }
.lang-btn:hover { border-color: #c9cdf5; color: var(--brand); }
.nav-toggle { display: none; background: #fff; border: 1px solid var(--line); border-radius: 10px; width: 40px; height: 40px; cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 4px auto; border-radius: 2px; }

/* 深色首屏：首页、内页标题区、公司介绍页首屏共用 */
.hero, .page-head, .about-hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(60% 90% at 85% 0%, rgba(122, 92, 255, .50) 0%, rgba(122, 92, 255, 0) 60%),
    radial-gradient(45% 70% at 0% 100%, rgba(54, 197, 240, .22) 0%, rgba(54, 197, 240, 0) 62%),
    radial-gradient(40% 60% at 40% 0%, rgba(59, 48, 240, .40) 0%, rgba(59, 48, 240, 0) 65%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%);
}
.hero::before, .page-head::before, .about-hero::before, .cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(80% 90% at 50% 0%, #000 30%, transparent 85%);
  mask-image: radial-gradient(80% 90% at 50% 0%, #000 30%, transparent 85%);
}
.hero > .wrap, .page-head > .wrap, .about-hero > .wrap { position: relative; }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .09); color: #dcd9ff;
  border: 1px solid rgba(255, 255, 255, .16);
  font-size: 13px; font-weight: 600; letter-spacing: .2px;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #8f7dff; box-shadow: 0 0 0 4px rgba(143, 125, 255, .25); }

/* 首页首屏 */
.hero { padding: 92px 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 56px; align-items: center; }
.hero h1 { margin-top: 24px; font-size: 54px; line-height: 1.2; font-weight: 800; color: #fff; letter-spacing: -1px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #a99bff 0%, #7fd8ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { margin-top: 22px; font-size: 18px; color: rgba(255, 255, 255, .76); max-width: 33em; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius);
  font-size: 16px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; font-family: inherit; line-height: 1.4;
  transition: transform .15s, box-shadow .15s, filter .15s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #1a2140; }
.btn-light { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-light:hover { border-color: #c9cdf5; }
.btn-brand { background: var(--grad); color: #fff; box-shadow: 0 10px 24px rgba(59, 48, 240, .32); }
.btn-brand:hover { filter: brightness(1.08); }
/* 深色背景上的按钮 */
.hero .btn-dark, .about-hero .btn-dark { background: #fff; color: var(--ink); box-shadow: 0 10px 30px rgba(0, 0, 0, .28); }
.hero .btn-dark:hover, .about-hero .btn-dark:hover { background: #f1f0ff; }
.hero .btn-light, .about-hero .btn-light, .cta .btn-light { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .26); }
.hero .btn-light:hover, .about-hero .btn-light:hover, .cta .btn-light:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .4); }

/* 首屏右侧示意图 */
.mock {
  position: relative; border-radius: 22px; padding: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .05));
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 30px 80px rgba(3, 5, 26, .55), inset 0 1px 0 rgba(255, 255, 255, .18);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 2px 4px 14px; font-size: 12px; color: rgba(255, 255, 255, .6); }
.mock-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .26); }
.mock-bar span { margin-left: auto; padding: 2px 10px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .2); }
.mock-q { display: flex; gap: 10px; align-items: flex-start; }
.mock-avatar { flex: none; width: 32px; height: 32px; border-radius: 10px; background: rgba(255, 255, 255, .16); display: grid; place-items: center; font-size: 13px; font-weight: 700; color: #fff; }
.mock-avatar.ai { background: var(--grad); }
.mock-q p { background: rgba(255, 255, 255, .12); border-radius: 4px 14px 14px 14px; padding: 9px 14px; font-size: 15px; color: #fff; }
.mock-a { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; }
.mock-a-body { flex: 1; min-width: 0; background: #fff; color: var(--ink); border-radius: 4px 16px 16px 16px; padding: 16px 18px; }
.mock-a-title { font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: .5px; }
.mock-a ol { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 8px; counter-reset: m; }
.mock-a li { counter-increment: m; display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; background: #f5f6fb; font-size: 14px; }
.mock-a li::before { content: counter(m); flex: none; width: 22px; height: 22px; border-radius: 7px; background: #e4e6f1; color: #5b6380; font-size: 12px; font-weight: 700; display: grid; place-items: center; }
.mock-a li b { font-weight: 700; white-space: nowrap; }
.mock-a li s { flex: 1; height: 7px; border-radius: 4px; background: #e1e4ef; min-width: 20px; }
.mock-a li.hit { background: var(--brand-soft); box-shadow: inset 0 0 0 1.5px rgba(59, 48, 240, .45); }
.mock-a li.hit::before { background: var(--brand); color: #fff; }
.mock-a li.hit b { color: var(--brand); }
.mock-a li.hit s { background: #cfcbff; }
.mock-a li em { font-style: normal; flex: none; font-size: 12px; font-weight: 700; color: #fff; background: var(--grad); padding: 2px 10px; border-radius: 999px; }
.mock-src { margin-top: 12px; padding-top: 12px; border-top: 1px dashed #dfe2ee; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.mock-src span.chip { padding: 3px 10px; border-radius: 999px; background: #f0f1f8; color: #454d6a; font-weight: 600; }
.mock-src span.chip.own { background: var(--brand-soft); color: var(--brand); }
.mock-tags { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.mock-tags span { text-align: center; padding: 9px 6px; border-radius: 12px; font-size: 13px; font-weight: 600; color: #e6e3ff; background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .14); }

/* 首屏底部三张服务入口 */
.hero-cards { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mini-card {
  display: flex; gap: 14px; align-items: flex-start;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); border-radius: 18px;
  padding: 20px 22px; transition: background .2s, border-color .2s, transform .2s;
}
.mini-card:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .28); transform: translateY(-3px); }
.mini-card h3 { font-size: 17px; color: #fff; }
.mini-card p { font-size: 14px; color: rgba(255, 255, 255, .68); margin-top: 2px; }
.mini-card .icon { background: rgba(255, 255, 255, .12); color: #cfc8ff; box-shadow: none; }

.icon {
  width: 46px; height: 46px; border-radius: 14px; flex: none;
  background: var(--grad); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 8px 18px rgba(59, 48, 240, .28);
}
.icon svg { width: 22px; height: 22px; }

/* 内页标题区 */
.page-head { padding: 76px 0 72px; }
.page-head h1 { margin-top: 20px; font-size: 44px; line-height: 1.25; font-weight: 800; color: #fff; letter-spacing: -.6px; }
.page-head p { margin-top: 16px; font-size: 18px; color: rgba(255, 255, 255, .76); max-width: 40em; }

/* 公司介绍页首屏 */
.about-hero { padding: 76px 0 84px; }
.about-hero h1 { margin-top: 20px; font-size: 44px; line-height: 1.25; font-weight: 800; color: #fff; letter-spacing: -.6px; }
.about-hero .two-col { margin-top: 36px; }
.about-hero .prose p { color: rgba(255, 255, 255, .76); }
.about-hero .prose .lead-p { color: #fff; }
.prose .lead-p { font-size: 20px; line-height: 1.65; font-weight: 600; color: var(--ink); }

/* 通用区块 */
.section { padding: 92px 0; }
.section.soft { background: var(--bg-soft); background-image: radial-gradient(rgba(59, 48, 240, .07) 1px, transparent 1px); background-size: 22px 22px; }
.section-head { max-width: 46em; margin-bottom: 44px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; color: var(--brand); letter-spacing: 1.2px; }
.eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--grad); }
.section-head h2 { margin-top: 12px; font-size: 38px; line-height: 1.28; font-weight: 800; color: var(--ink); letter-spacing: -.6px; }
.section-head p { margin-top: 14px; color: #4a5370; font-size: 17px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: c; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.card {
  position: relative; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 30px;
  display: flex; flex-direction: column;
  box-shadow: 0 1px 2px rgba(11, 16, 32, .03);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--grad); opacity: 0; transition: opacity .2s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #cfd0f7; }
.card:hover::after { opacity: 1; }
.card h3 { margin-top: 18px; font-size: 19px; line-height: 1.45; color: var(--ink); }
.card p { margin-top: 8px; color: #4a5370; font-size: 15px; }
.card.plain h3 { margin-top: 0; }
.card.plain .icon + .q-num { margin-top: 18px; }
.card.plain .icon + h3 { margin-top: 18px; }
.q-num { font-size: 12px; font-weight: 700; color: var(--brand); letter-spacing: 1.2px; margin-bottom: 6px; }
/* 没有图标也没有小标签的卡片，自动加序号 */
.card.numbered { counter-increment: c; }
.card.numbered::before {
  content: "0" counter(c);
  font-size: 15px; font-weight: 800; letter-spacing: .5px; line-height: 1;
  width: 46px; height: 46px; border-radius: 14px; margin-bottom: 18px;
  display: grid; place-items: center; color: var(--brand); background: var(--brand-soft);
}
.card.accent { border-color: transparent; background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box; border: 1.5px solid transparent; box-shadow: 0 16px 40px rgba(59, 48, 240, .14); }
.after-grid { margin-top: 30px; font-size: 18px; font-weight: 600; color: var(--ink); padding: 18px 22px; border-radius: 16px; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--brand); }
.prose > p:first-child { margin-top: 0; }
.card .more { align-self: flex-start; margin-top: auto; padding-top: 18px; color: var(--brand); font-weight: 600; font-size: 15px; }
.card .more:hover { text-decoration: underline; }

.prose p { color: #3a4259; font-size: 17px; }
.prose p + p { margin-top: 16px; }

.info-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
.info-table th, .info-table td { text-align: left; padding: 17px 24px; border-bottom: 1px solid var(--line); font-size: 15px; vertical-align: top; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }
.info-table th { width: 8.5em; color: var(--muted); font-weight: 600; background: #fafbff; white-space: nowrap; }
.info-table td { color: var(--ink); }

.company-card { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 30px; box-shadow: var(--shadow-lg); color: var(--ink); }
.about-hero .company-card { border-color: rgba(255, 255, 255, .5); box-shadow: 0 30px 80px rgba(3, 5, 26, .5); }
.company-card h3 { font-size: 20px; font-weight: 700; color: var(--ink); line-height: 1.4; }
.company-card .company-sub { margin-top: 2px; font-size: 14px; color: var(--muted); }
.about-hero .company-card .company-sub { color: var(--muted); }
.company-card dl { margin: 16px 0 0; }
.company-card dl > div { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid #eef0f7; font-size: 14px; }
.company-card dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.company-card dt { color: #5b6380; flex: none; }
.company-card dd { margin: 0; font-weight: 600; color: var(--ink); text-align: right; text-wrap: balance; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }

/* 服务详情 */
.service {
  display: grid; grid-template-columns: 300px 1fr; gap: 44px;
  padding: 40px; margin-bottom: 24px;
  background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow);
  scroll-margin-top: 92px;
}
.service:last-of-type { margin-bottom: 0; }
.service-title .num { display: inline-block; font-size: 12px; font-weight: 700; color: var(--brand); letter-spacing: 1.2px; padding: 4px 12px; border-radius: 999px; background: var(--brand-soft); }
.service-title h2 { margin-top: 14px; font-size: 27px; line-height: 1.35; font-weight: 800; color: var(--ink); text-wrap: balance; letter-spacing: -.3px; }
.service-body dl { margin: 0; display: grid; gap: 22px; }
.service-body dt { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--ink); }
.service-body dt::before { content: ""; width: 8px; height: 8px; border-radius: 3px; background: var(--grad); }
.service-body dd { margin: 6px 0 0; color: #3a4259; }
.example { background: linear-gradient(135deg, #f1f0ff 0%, #f3f8ff 100%); border: 1px solid #dedcff; border-radius: var(--radius); padding: 18px 22px; color: #2a2580; font-size: 15px; }
.service-body ul { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px; color: #3a4259; }
.service-body li { position: relative; padding-left: 28px; }
.service-body li::before { content: "✓"; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); font-size: 11px; font-weight: 800; display: grid; place-items: center; }

.step .n {
  width: 44px; height: 44px; border-radius: 14px;
  background: var(--grad); color: #fff; font-weight: 800; font-size: 17px;
  display: grid; place-items: center; box-shadow: 0 8px 18px rgba(59, 48, 240, .28);
}

.notice { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 34px 36px; box-shadow: var(--shadow); }
.notice h3 { font-size: 22px; font-weight: 800; color: var(--ink); letter-spacing: -.2px; }
.feat-grid { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feat { display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; border-radius: 16px; background: var(--bg-soft); }
.feat::before { content: "✓"; flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--grad); color: #fff; font-size: 13px; font-weight: 800; display: grid; place-items: center; margin-top: 2px; }
.feat p { font-size: 15px; color: #3a4259; }
.notice.privacy { border-left: 4px solid var(--brand); border-radius: 20px; padding: 26px 28px; }

/* 底部行动区 */
.cta {
  position: relative; overflow: hidden; color: #fff; border-radius: 28px; padding: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  background:
    radial-gradient(50% 120% at 100% 0%, rgba(54, 197, 240, .35) 0%, rgba(54, 197, 240, 0) 60%),
    linear-gradient(120deg, #1d14b8 0%, #3b30f0 45%, #7a5cff 100%);
  box-shadow: 0 30px 70px rgba(59, 48, 240, .30);
}
.cta > * { position: relative; }
.cta h2 { font-size: 32px; font-weight: 800; line-height: 1.3; letter-spacing: -.4px; }
.cta p { margin-top: 10px; color: rgba(255, 255, 255, .82); font-size: 17px; }
.cta .btn-brand { background: #fff; color: var(--brand); box-shadow: 0 12px 30px rgba(8, 4, 80, .35); }
.cta .btn-brand:hover { filter: none; background: #f1f0ff; }

/* 联系方式 */
.contact-card .label { margin-top: 18px; font-size: 13px; color: var(--muted); }
.contact-card .value a:hover { color: var(--brand); }
.contact-card .value { margin-top: 2px; font-size: 18px; font-weight: 700; color: var(--ink); overflow-wrap: anywhere; line-height: 1.5; }

/* 预约表单 */
.form-card { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 36px; box-shadow: var(--shadow-lg); }
.form-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--grad); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.field label i { color: #e11d48; font-style: normal; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 15px; color: var(--ink);
  border: 1px solid #d5d8e6; border-radius: 12px; background: #fbfbfe;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(59, 48, 240, .14); }
.field textarea { min-height: 110px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: #4a5370; margin-bottom: 20px; }
.consent input { margin-top: 5px; flex: none; accent-color: var(--brand); }
.consent a { color: var(--brand); text-decoration: underline; }
.form-card .btn { width: 100%; }
.form-card .btn-dark { background: var(--grad); box-shadow: 0 10px 24px rgba(59, 48, 240, .32); }
.form-card .btn-dark:hover { filter: brightness(1.08); }
.form-tip { margin-top: 12px; font-size: 13px; color: var(--muted); text-align: center; }

.check-list { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 14px; }
.check-list li { display: flex; gap: 14px; color: #3a4259; padding: 16px 18px; border-radius: 16px; background: var(--bg-soft); }
.check-list li::before {
  content: "✓"; flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--grad); color: #fff; font-weight: 800; font-size: 13px;
  display: grid; place-items: center; margin-top: 2px;
}

.privacy h3 { font-size: 18px; color: var(--ink); }
.privacy p { margin-top: 10px; font-size: 15px; color: #4a5370; }

/* 页脚 */
.site-footer { background: var(--night); color: rgba(255, 255, 255, .66); padding: 64px 0 28px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .8fr 1fr 1.5fr; gap: 40px; }
.site-footer .logo { color: #fff; }
.site-footer .logo-img { background: #fff; border-radius: 10px; padding: 4px; }
.site-footer .logo-text small { color: rgba(255, 255, 255, .6); }
.footer-brand p { margin-top: 16px; max-width: 26em; line-height: 1.8; text-wrap: balance; }
.site-footer h4 { font-size: 14px; font-weight: 700; color: #fff; letter-spacing: .5px; margin-bottom: 14px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a, .footer-contact a { color: rgba(255, 255, 255, .66); transition: color .15s; }
.footer-links a:hover, .footer-contact a:hover, .footer-bottom a:hover { color: #fff; }
.footer-contact { display: grid; gap: 10px; }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .12); display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 13px; color: rgba(255, 255, 255, .5); }
.footer-bottom a { color: rgba(255, 255, 255, .5); }

@media (max-width: 1040px) {
  .hero h1 { font-size: 46px; }
  .hero-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 40px; }
}

@media (max-width: 900px) {
  .hero { padding: 60px 0 52px; }
  .hero-grid, .two-col { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .hero h1 { font-size: 36px; letter-spacing: -.5px; }
  .hero-cards { grid-template-columns: 1fr; margin-top: 40px; }
  .page-head { padding: 56px 0 52px; }
  .page-head h1 { font-size: 32px; }
  .about-hero { padding: 56px 0 56px; }
  .about-hero h1 { font-size: 32px; }
  .prose .lead-p { font-size: 18px; }
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 28px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .service { grid-template-columns: 1fr; gap: 18px; padding: 26px 22px; }
  .feat-grid { grid-template-columns: 1fr; }
  .notice { padding: 26px 22px; }
  .cta { padding: 36px 26px; border-radius: 22px; }
  .cta h2 { font-size: 24px; }
  .row-2 { grid-template-columns: 1fr; gap: 0; }
  .form-card { padding: 24px; }
  .info-table th { width: 6.5em; padding: 14px 16px; }
  .info-table td { padding: 14px 16px; }

  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px 24px 18px;
    box-shadow: 0 20px 40px rgba(11, 16, 32, .12);
  }
  .nav.open { display: flex; }
  .lang-btn { order: 2; margin-left: auto; margin-right: 8px; }
  .nav-toggle { order: 3; flex: none; }
  .logo { min-width: 0; white-space: normal; font-size: 15px; }
  .logo-text small { line-height: 1.2; }
  .nav a.nav-cta { margin-left: 0; text-align: center; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .mock { padding: 14px; }
  .mock-tags span { font-size: 12px; padding: 8px 4px; }
  .mock-a li s { display: none; }
  .mock-avatar { width: 28px; height: 28px; border-radius: 9px; font-size: 12px; }
  .mock-q, .mock-a { gap: 8px; }
  .mock-a-body { padding: 12px; }
  .mock-a li { padding: 8px 10px; gap: 8px; flex-wrap: wrap; }
  .mock-a li b { white-space: normal; }
  .mock-a li em { margin-left: auto; padding: 2px 8px; }
}