:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-tint: #eef3fb;
  --card: #ffffff;
  --border: #e6eaf0;
  --border-strong: #d4dae3;
  --text: #16202e;
  --text-dim: #55617a;
  --text-faint: #8a95a8;
  --brand: #2f6bff;
  --brand-dark: #1e4fd6;
  --brand-soft: #eaf1ff;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16, 32, 46, .06);
  --shadow-md: 0 10px 30px rgba(16, 32, 46, .08);
  --maxw: 1160px;
  /* 字号阶梯 */
  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base: 14px;
  --fs-md: 15px;
  --fs-lg: 17px;
  --fs-xl: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "PingFang SC", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans Thai",
    "Microsoft YaHei", "Segoe UI Emoji", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: var(--fs-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { line-height: 1.25; text-wrap: balance; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 24px; border-radius: 10px; font-weight: 600; font-size: var(--fs-md);
  border: 1px solid transparent; cursor: pointer; transition: all .18s ease; white-space: nowrap;
}
.btn--sm { padding: 8px 16px; font-size: var(--fs-base); }
.btn--primary { background: var(--brand); color: #fff; }
.btn--primary:hover { background: var(--brand-dark); }
.btn--ghost { background: #fff; color: var(--text); border-color: var(--border-strong); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }

/* 导航 */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 6px; font-weight: 800; font-size: 20px; letter-spacing: .3px; }
.brand__mark { color: var(--brand); }
.brand__text { color: var(--text); }
.brand__logo { height: 30px; width: auto; display: block; }
.nav__menu { display: flex; gap: 32px; }
.nav__menu a { color: var(--text-dim); font-size: var(--fs-md); font-weight: 500; transition: color .18s; }
.nav__menu a:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: 10px; }
.lang-select {
  background: #fff; border: 1px solid var(--border-strong); color: var(--text-dim);
  padding: 7px 28px 7px 12px; border-radius: 8px; font-size: var(--fs-sm); font-weight: 600; cursor: pointer;
  transition: all .18s; max-width: 130px; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2355617a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}
.lang-select:hover { border-color: var(--brand); color: var(--brand); }
.lang-select:focus { outline: none; border-color: var(--brand); }
.nav__burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav__burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* Hero */
.hero { padding: 84px 0 72px; background: linear-gradient(180deg, var(--bg-tint) 0%, #fff 100%); }
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: var(--fs-sm); font-weight: 600;
  color: var(--brand); background: var(--brand-soft); margin-bottom: 22px;
}
.hero__badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); }
.hero__title { font-size: clamp(34px, 4.6vw, 54px); font-weight: 800; line-height: 1.14; letter-spacing: -.6px; }
.hero__title .accent { color: var(--brand); }
.hero__desc { max-width: 520px; margin-top: 20px; color: var(--text-dim); font-size: var(--fs-lg); line-height: 1.6; }
.hero__cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.hero__note { margin-top: 16px; color: var(--text-faint); font-size: var(--fs-sm); }

/* Hero 里的产品面板（纯 CSS 数据大屏） */
.panel {
  background: #fff; border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow-md); overflow: hidden;
}
.panel__bar { display: flex; align-items: center; gap: 6px; padding: 11px 16px; border-bottom: 1px solid var(--border); background: var(--bg-soft); }
.panel__dot { width: 10px; height: 10px; border-radius: 50%; background: #d7dce4; }
.panel__title { margin-left: 10px; font-size: 13px; color: var(--text-faint); font-weight: 600; }
.panel__live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; color: #16a34a; }
.panel__live-dot { width: 7px; height: 7px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 0 0 rgba(22,163,74,.5); animation: pulse 1.8s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(22,163,74,.5); } 70% { box-shadow: 0 0 0 6px rgba(22,163,74,0); } 100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); } }
.panel__body { padding: 14px; display: flex; flex-direction: column; gap: 10px; background: var(--bg-soft); }

/* KPI 卡片（4 个一排，紧凑，带 sparkline） */
.panel__kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.kpi { background: #fff; border: 1px solid var(--border); border-radius: 9px; padding: 9px 10px; }
.kpi__label { font-size: 10.5px; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi__value { font-size: 16px; font-weight: 800; margin-top: 2px; letter-spacing: -.3px; font-variant-numeric: tabular-nums; }
.kpi__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 4px; }
.kpi__foot .spark { width: 38px; height: 16px; }
.kpi__trend { font-size: 10px; font-weight: 700; }
.kpi__trend.is-up { color: #16a34a; }
.kpi__trend.is-down { color: #ef4444; }

/* 面板内卡片容器 */
.panel__card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 11px 13px; }
.panel__card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.panel__card-title { font-size: 12px; font-weight: 700; color: var(--text); }
.panel__card-value { font-size: 12.5px; font-weight: 700; }
.panel__card-value .up { color: #16a34a; font-size: 10.5px; margin-left: 4px; }

/* 面积趋势图 */
.chart { height: 72px; }
.area-svg { width: 100%; height: 72px; display: block; }

/* 渠道占比（紧凑两列网格） */
.channels { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.channel__top { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--text-dim); margin-bottom: 3px; }
.channel__top span:last-child { font-weight: 700; color: var(--text); }
.channel__bar { height: 5px; border-radius: 999px; background: var(--bg-tint); overflow: hidden; }
.channel__bar span { display: block; height: 100%; border-radius: 999px; }

.pill { padding: 2px 8px; border-radius: 999px; font-size: 10.5px; font-weight: 700; white-space: nowrap; }
.pill--ok { background: #e7f6ec; color: #16a34a; }
.pill--wait { background: #fff2e0; color: #d97706; }
.pill--info { background: #e8f0ff; color: #2f6bff; }

/* Stats 条 */
.stats { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-soft); }
.stats__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 36px 0; text-align: center; }
.stats__num { font-size: 34px; font-weight: 800; color: var(--brand); letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.stats__label { color: var(--text-dim); font-size: var(--fs-base); margin-top: 6px; }

/* Section 通用 */
.section { padding: 78px 0; }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section__eyebrow { color: var(--brand); font-weight: 700; font-size: var(--fs-sm); letter-spacing: 1px; text-transform: uppercase; }
.section__title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; margin-top: 10px; letter-spacing: -.4px; }
.section__sub { color: var(--text-dim); font-size: var(--fs-lg); margin-top: 12px; line-height: 1.6; }

/* 产品卡片 */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 22px; transition: all .18s ease; box-shadow: var(--shadow);
}
.card:hover { border-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card__icon { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); margin-bottom: 16px; }
.card__icon svg { width: 22px; height: 22px; }
.card__tag { font-size: var(--fs-xs); color: var(--brand); font-weight: 700; letter-spacing: .5px; }
.card__title { font-size: var(--fs-lg); font-weight: 700; margin-top: 2px; }
.card__desc { color: var(--text-dim); font-size: var(--fs-base); margin-top: 8px; line-height: 1.6; }

/* 全球化 */
.section--global { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.regions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.region {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 20px; box-shadow: var(--shadow); transition: all .18s;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.region:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--brand); }
.region__flag { font-size: 40px; line-height: 1; }
.region__name { font-size: var(--fs-lg); font-weight: 700; }

/* 优势 */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature { display: flex; gap: 16px; padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.feature__icon { width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); }
.feature__icon svg { width: 20px; height: 20px; }
.feature__title { font-size: var(--fs-lg); font-weight: 700; }
.feature__desc { color: var(--text-dim); font-size: var(--fs-base); margin-top: 6px; line-height: 1.6; }

/* 客户 logo 墙 */
.clients { padding: 56px 0; }
.clients__title { text-align: center; color: var(--text-faint); font-size: var(--fs-base); font-weight: 600; letter-spacing: .5px; margin-bottom: 32px; }
.clients__grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
  align-items: center; max-width: 1000px; margin: 0 auto;
}
.client-logo {
  height: 68px; display: grid; place-items: center;
  padding: 12px 16px; border: 1px solid var(--border); border-radius: 12px; background: #fff;
  box-shadow: var(--shadow); transition: all .2s ease;
}
.client-logo:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.client-logo img {
  max-width: 100%; max-height: 40px; object-fit: contain;
  filter: grayscale(100%); opacity: .7; transition: filter .2s, opacity .2s;
}
.client-logo:hover img { filter: grayscale(0); opacity: 1; }

/* 页脚 */
.footer { border-top: 1px solid var(--border); padding: 56px 0 28px; background: var(--bg-soft); }
.footer__top { display: grid; grid-template-columns: 2.4fr 1fr 1fr; gap: 40px; }
.footer__brand .brand__logo { height: 34px; }
.footer__slogan { color: var(--text-dim); font-size: var(--fs-base); margin-top: 14px; max-width: 320px; line-height: 1.6; }
.footer__contact { list-style: none; margin: 20px 0 0; display: flex; flex-direction: column; gap: 10px; }
.footer__contact li { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: var(--fs-base); }
.footer__contact svg { width: 17px; height: 17px; color: var(--brand); flex-shrink: 0; }
.footer__contact a { color: var(--text-dim); transition: color .18s; }
.footer__contact a:hover { color: var(--brand); }
.footer__social { display: flex; gap: 10px; margin-top: 20px; }
.footer__social a {
  width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--border); color: var(--text-dim); transition: all .18s;
}
.footer__social a:hover { background: var(--brand); color: #fff; border-color: var(--brand); transform: translateY(-2px); }
.footer__social svg { width: 18px; height: 18px; }
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__title { font-size: var(--fs-sm); font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 2px; }
.footer__col a { color: var(--text-dim); font-size: var(--fs-base); transition: color .18s; }
.footer__col a:hover { color: var(--brand); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border);
  color: var(--text-faint); font-size: var(--fs-sm);
}
.footer__site { font-weight: 600; }

/* 滚动进场动画 */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

/* 响应式 */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .regions { grid-template-columns: repeat(2, 1fr); }
  .stats__inner { grid-template-columns: repeat(2, 1fr); }
  .clients__grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 640px) {
  .nav__menu {
    position: fixed; top: 66px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    transform: translateY(-120%); transition: transform .3s; padding: 8px 0;
  }
  .nav__menu.open { transform: none; }
  .nav__menu a { padding: 14px 24px; }
  .nav__burger { display: flex; }
  .cards, .features { grid-template-columns: 1fr; }
  .regions { grid-template-columns: repeat(2, 1fr); }
  .clients__grid { grid-template-columns: repeat(3, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer__brand { grid-column: 1 / -1; }
}

/* ========== 新增区块样式 ========== */
.section--soft { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* 三大套餐 */
.packages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pkg { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 26px; box-shadow: var(--shadow); transition: all .18s ease; display: flex; flex-direction: column; }
.pkg:hover { border-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.pkg__head { display: flex; align-items: center; gap: 14px; }
.pkg__icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 11px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); }
.pkg__icon svg { width: 24px; height: 24px; }
.pkg__name { font-size: 22px; font-weight: 800; letter-spacing: .3px; }
.pkg__for { color: var(--text-faint); font-size: var(--fs-sm); margin-top: 6px; }
.pkg__list { list-style: none; margin-top: 20px; display: flex; flex-direction: column; gap: 12px; }
.pkg__list li { position: relative; padding-left: 26px; color: var(--text-dim); font-size: var(--fs-base); line-height: 1.6; }
.pkg__list li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232f6bff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat;
}

/* FAQ */
.faq-wrap { max-width: 820px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: var(--fs-md); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--brand); font-weight: 400; flex-shrink: 0; }
.faq[open] summary::after { content: "−"; }
.faq p { padding: 0 22px 20px; color: var(--text-dim); font-size: var(--fs-base); margin: 0; line-height: 1.6; }

@media (max-width: 980px) {
  .packages { grid-template-columns: 1fr; }
}

/* ========== 生态集成 ========== */
.pt-group { margin-top: 28px; }
.pt-group:first-of-type { margin-top: 8px; }
.pt-group__label { text-align: center; color: var(--text-faint); font-size: var(--fs-sm); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.pt-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.pt-logo {
  height: 60px; min-width: 108px; display: grid; place-items: center;
  padding: 10px 18px; background: #fff; border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow);
  transition: all .2s ease;
}
.pt-logo:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--border-strong); }
.pt-logo img { max-width: 100%; max-height: 34px; object-fit: contain; }

@media (max-width: 640px) {
  .pt-logo { min-width: 84px; height: 52px; padding: 8px 12px; }
  .pt-logo img { max-height: 28px; }
}

/* ========== 联系我们 / 办公地点 ========== */
.offices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.office {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); transition: all .18s ease;
}
.office:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--brand); }
.office__head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.office__flag { font-size: 26px; line-height: 1; }
.office__country { font-size: var(--fs-base); font-weight: 700; color: var(--brand); }
.office__company { font-size: var(--fs-md); font-weight: 700; line-height: 1.45; }
.office__addr { color: var(--text-dim); font-size: var(--fs-sm); margin-top: 8px; line-height: 1.6; }

@media (max-width: 900px) { .offices { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .offices { grid-template-columns: 1fr; } }