/* 局点官网样式。深色是品牌固定色（球场绿底 + 荧光球黄），不做浅色模式。
   色值来源：App 的 DesignSystem.swift（荧光球四色）与 Theme.swift 草地皮肤表面色。 */
:root {
  color-scheme: dark;
  --bg: #07140f;
  --bg-2: #0a1d15;
  --bg-3: #0d2a1f;
  --court: #0d3427;
  --panel: rgba(255, 255, 255, .045);
  --panel-2: rgba(255, 255, 255, .075);
  --line: rgba(239, 231, 212, .14);
  --line-strong: rgba(239, 231, 212, .3);
  --text: #f1f4ec;
  --muted: rgba(241, 244, 236, .66);
  --faint: rgba(241, 244, 236, .42);
  --ball: #d4f225;
  --ball-hi: #edff6e;
  --ball-deep: #a9c60d;
  --ink: #123b0a;
  --cream: #efe7d4;
  --radius: 20px;
  --wrap: 1120px;
  --gutter: 20px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "PingFang SC", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.7 var(--font);
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
.wrap { width: min(100% - var(--gutter) * 2, var(--wrap)); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; padding: 8px 12px; background: var(--ball); color: var(--ink); border-radius: 8px; }
.skip:focus { left: 8px; }

/* ---------- 文字 ---------- */
.eyebrow {
  font: 600 12px/1.4 var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ball);
  opacity: .85;
  margin-bottom: 18px;
}
.h2 {
  font-size: clamp(28px, 4.2vw, 46px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -.01em;
}
.lead { font-size: clamp(16px, 1.4vw, 18px); color: var(--muted); max-width: 40em; }
.h2 + .lead { margin-top: 18px; }
.link { color: var(--ball); font-weight: 600; }
.link:hover { color: var(--ball-hi); }
.tag {
  display: inline-block; margin-left: 6px; padding: 1px 8px; border-radius: 999px;
  font: 600 11px/1.7 var(--mono); letter-spacing: .04em; vertical-align: 2px;
  color: var(--ball); border: 1px solid rgba(212, 242, 37, .4);
}
.note { color: var(--faint); font-size: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--ball); color: var(--ink); font-weight: 700;
  padding: 12px 20px; border-radius: 999px; transition: background .2s, transform .2s;
}
.btn:hover { background: var(--ball-hi); }
.btn--small { padding: 8px 14px; font-size: 14px; }
.badge img { display: block; height: 50px; width: auto; }
.badge:hover { opacity: .9; }

/* ---------- 顶栏 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 20, 15, .72);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-color: var(--line);
}
.nav__in { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__icon { border-radius: 9px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .1); }
.brand__name { font-size: 20px; font-weight: 800; letter-spacing: .02em; }
.brand__alt { font: 600 11px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--faint); margin-left: 2px; }
.nav__links { display: flex; gap: 28px; font-size: 14px; color: var(--muted); }
.nav__links a:hover { color: var(--text); }
.nav__right { display: flex; align-items: center; gap: 16px; }
.lang { font: 600 13px/1 var(--mono); letter-spacing: .08em; color: var(--muted); padding: 6px 4px; }
.lang:hover { color: var(--text); }

/* ---------- 首屏 ---------- */
.hero { position: relative; padding: 150px 0 0; overflow: hidden; }
.hero__lines { position: absolute; inset: 0; color: var(--cream); opacity: .09; pointer-events: none; }
.hero__lines svg { width: 100%; height: 100%; display: block; }
.hero__glow {
  position: absolute; left: 50%; top: 58%; width: 900px; height: 900px; transform: translate(-50%, -30%);
  background: radial-gradient(closest-side, rgba(212, 242, 37, .16), rgba(212, 242, 37, .05) 45%, transparent 72%);
  pointer-events: none;
}
.hero__in { position: relative; text-align: center; }
.hero__title {
  font-size: clamp(42px, 8vw, 88px);
  line-height: 1.05; font-weight: 900; letter-spacing: -.02em;
  max-width: 12em; margin-inline: auto;
}
.hero__title em { font-style: normal; color: var(--ball); white-space: nowrap; }
.hero__lead { margin: 26px auto 0; max-width: 34em; }
.hero__cta { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-top: 34px; }
.hero__note { font-size: 13px; color: var(--faint); }
.hero__phones {
  display: grid; grid-template-columns: 1fr 1.28fr 1fr; align-items: end; gap: 6%;
  width: min(100%, 860px); margin: 70px auto -12%; padding: 0 4%;
}
.phone--side { transform: translateY(6%); opacity: .92; }
.hero .phone--left { transform: translateY(6%) rotate(-2deg); }
.hero .phone--right { transform: translateY(6%) rotate(2deg); }

/* 手机：截图本身是整屏，外面只加一圈机身边，不做假模型 */
.phone {
  position: relative; overflow: hidden; background: #000;
  border-radius: 13.6% / 6.3%;
  border: 5px solid #0c110e;
  box-shadow: 0 0 0 1px rgba(239, 231, 212, .13), 0 44px 90px -24px rgba(0, 0, 0, .75);
  aspect-ratio: 800 / 1738;
}
.phone img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ---------- 事实条 ---------- */
.facts { position: relative; margin-top: 12%; background: linear-gradient(180deg, transparent, var(--bg-2)); }
.facts__list {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.facts__list li {
  padding: 22px 16px; text-align: center; font-size: 14px; color: var(--muted);
  border-left: 1px solid var(--line);
}
.facts__list li:first-child { border-left: 0; }

/* ---------- 三大卖点 ---------- */
.pillars { background: var(--bg-2); padding: 40px 0 20px; }
.pillar {
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 8%;
  padding: 90px 0; border-bottom: 1px solid var(--line);
}
.pillar:last-child { border-bottom: 0; }
.pillar:nth-child(even) .pillar__media { order: -1; }
.pillar__text .lead { margin-top: 18px; }
.bullets { margin-top: 30px; display: grid; gap: 16px; }
.bullets li { display: grid; grid-template-columns: 5.5em 1fr; gap: 14px; align-items: baseline; padding-top: 14px; border-top: 1px solid var(--line); }
.bullets strong { font-weight: 700; color: var(--text); }
:lang(en) .bullets li { grid-template-columns: 8.5em 1fr; }
.bullets span { color: var(--muted); font-size: 15px; }
.pillar__media { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.phones { display: grid; width: min(100%, 320px); }
.phones .phone { grid-area: 1 / 1; opacity: 0; transform: scale(.97); transition: opacity .4s ease, transform .4s ease; pointer-events: none; }
.phones .phone.is-active { opacity: 1; transform: none; pointer-events: auto; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.chip {
  border: 1px solid var(--line-strong); background: transparent; color: var(--muted);
  padding: 7px 16px; border-radius: 999px; cursor: pointer; font-size: 14px;
  transition: background .2s, color .2s, border-color .2s;
}
.chip:hover { color: var(--text); border-color: var(--cream); }
.chip.is-active { background: var(--ball); color: var(--ink); border-color: var(--ball); font-weight: 700; }
.chip:focus-visible { outline: 2px solid var(--ball-hi); outline-offset: 2px; }

/* ---------- 更多功能 ---------- */
.more { padding: 110px 0; background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.grid { margin-top: 44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.card {
  padding: 26px 22px; border-radius: var(--radius); background: var(--panel);
  border: 1px solid var(--line); transition: background .2s, transform .2s;
}
.card:hover { background: var(--panel-2); transform: translateY(-2px); }
.card__icon { width: 28px; height: 28px; color: var(--ball); display: block; }
.card h3 { margin-top: 18px; font-size: 17px; font-weight: 700; }
.card p { margin-top: 8px; font-size: 14px; color: var(--muted); }

/* ---------- Apple Watch ---------- */
.watch { padding: 110px 0; background: #040705; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.watch__shots { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.watch__shots li { text-align: center; }
.watchframe {
  width: min(100%, 210px); margin-inline: auto; overflow: hidden; background: #000;
  border-radius: 24%; border: 7px solid #15181a; aspect-ratio: 416 / 496;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .12), inset 0 0 0 1px rgba(255, 255, 255, .06), 0 30px 60px -20px rgba(0, 0, 0, .8);
}
.watchframe img { display: block; width: 100%; height: 100%; object-fit: cover; }
.watch__shots figcaption { margin-top: 14px; font-size: 14px; color: var(--muted); }
.watch .note { margin-top: 40px; max-width: 46em; }

/* ---------- 数据与隐私 ---------- */
.privacy { padding: 110px 0; background: var(--bg); }
.privacy__in { display: grid; grid-template-columns: 1fr 1fr; gap: 8%; align-items: start; }
.privacy__head .link { display: inline-block; margin-top: 22px; }
.checks { display: grid; gap: 14px; padding-top: 6px; }
.checks li { position: relative; padding: 14px 0 14px 26px; border-top: 1px solid var(--line); color: var(--muted); }
.checks li::before { content: ""; position: absolute; left: 4px; top: 25px; width: 9px; height: 9px; border-radius: 50%; background: var(--ball); }

/* ---------- FAQ ---------- */
.faq { padding: 110px 0; background: var(--bg-2); }
.faq__in { display: grid; grid-template-columns: 1fr 1.6fr; gap: 8%; align-items: start; }
.faq__head .link { display: inline-block; margin-top: 22px; }
.faq__list { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary {
  cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-weight: 700; font-size: 17px; position: relative;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font: 300 26px/1 var(--mono); color: var(--ball); transition: transform .25s;
}
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__item p { padding: 0 0 22px; color: var(--muted); max-width: 44em; }

/* ---------- 下载 ---------- */
.download { position: relative; padding: 130px 0 120px; overflow: hidden; text-align: center; background: var(--bg); }
.download__glow {
  position: absolute; left: 50%; top: 50%; width: 760px; height: 760px; transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(212, 242, 37, .14), transparent 70%); pointer-events: none;
}
.download__in { position: relative; display: flex; flex-direction: column; align-items: center; }
.download__icon { border-radius: 22px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .12), 0 30px 60px -20px rgba(0, 0, 0, .8); margin-bottom: 30px; }
.download .lead { margin-top: 18px; text-align: center; }
.download__cta { display: flex; align-items: center; gap: 36px; margin-top: 36px; }
.download__cta .badge img { height: 60px; }
.qr { display: flex; align-items: center; gap: 14px; padding: 10px 16px 10px 10px; border-radius: 16px; background: var(--panel); border: 1px solid var(--line); }
.qr img { width: 96px; height: 96px; border-radius: 8px; display: block; }
.qr span { font-size: 13px; color: var(--muted); max-width: 9em; text-align: left; line-height: 1.5; }
.download__req { margin-top: 30px; font-size: 13px; color: var(--faint); }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); padding: 44px 0 40px; background: var(--bg); }
.footer__in { display: grid; grid-template-columns: 1fr auto; gap: 24px 40px; align-items: start; }
.footer__brand p { margin-top: 8px; font-size: 13px; color: var(--faint); }
.footer__links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; font-size: 14px; color: var(--muted); }
.footer__links a:hover { color: var(--text); }
.footer__social { display: inline-flex; align-items: center; }
.footer__social svg { width: 22px; height: 22px; display: block; }
.footer__links a.footer__social:hover { color: #ff2442; }   /* 小红书品牌红，只在悬停时出现 */
.footer__legal { grid-column: 1 / -1; font-size: 12px; color: var(--faint); }

/* ---------- 进场动画（只在有 JS 时启用，否则内容直接可见）---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .phones .phone { transition: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .watch__shots { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .pillar { gap: 6%; }
}
@media (max-width: 760px) {
  body { font-size: 15px; }
  .nav__links { display: none; }
  .nav__in { height: 58px; }
  .hero { padding-top: 112px; }
  .hero__phones { grid-template-columns: 1fr 1.3fr 1fr; gap: 4%; margin-top: 48px; padding: 0; }
  .facts__list { grid-template-columns: repeat(2, 1fr); }
  .facts__list li { border-left: 0; border-top: 1px solid var(--line); padding: 16px 10px; font-size: 13px; }
  .facts__list li:nth-child(-n+2) { border-top: 0; }
  .facts__list li:nth-child(even) { border-left: 1px solid var(--line); }
  .pillars { padding-top: 10px; }
  .pillar { grid-template-columns: 1fr; gap: 40px; padding: 64px 0; }
  .pillar:nth-child(even) .pillar__media { order: 0; }
  .pillar__media { order: 1; }
  .bullets li { grid-template-columns: 1fr; gap: 4px; }
  .more, .watch, .privacy, .faq { padding: 80px 0; }
  .privacy__in, .faq__in { grid-template-columns: 1fr; gap: 32px; }
  .download { padding: 90px 0; }
  .download__cta { flex-direction: column; gap: 20px; }
  .qr { display: none; }   /* 手机上扫不了自己的屏幕，角标直接点即可 */
  .footer__in { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .hero__phones { grid-template-columns: 1fr 1.35fr 1fr; gap: 3%; margin-inline: -6%; width: auto; }
  .brand__alt { display: none; }
}