/* ============================================================
   随身号官方网站 · 共享样式
   纯静态，无外部 CDN / 字体 / 追踪器
   ============================================================ */

:root {
  --ink: #262328;
  --muted: #747078;
  --line: #e7e4eb;
  --paper: #fbfafc;
  --card: #ffffff;
  --green: #7257f5;
  --green-dark: #563bd6;
  --green-soft: #eeebff;
  --amber: #896310;
  --amber-soft: #fff4cf;
  --red: #b54861;
  --red-soft: #ffe9ef;
  --focus: #ded6ff;
  --nav-h: 72px;
  --radius: 20px;
  --shadow: 0 24px 60px rgba(49, 38, 66, .09);
  --shadow-sm: 0 6px 22px rgba(47, 39, 58, .05);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI Variable", "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 86% -4%, #ece6ff 0, transparent 30%),
    radial-gradient(circle at 0% 16%, #fff0f6 0, transparent 28%),
    var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
.ico svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
a { color: var(--green); }
a:hover { color: var(--green-dark); }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.hidden { display: none !important; }

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--green); color: #fff; padding: 10px 16px; border-radius: 10px;
  font-weight: 700; text-decoration: none; transition: top .18s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- 顶部状态横幅 ---------- */
.status-banner {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 9px 18px; background: #eeeaff; color: #4d3ca0; border-bottom: 1px solid #ded6ff;
  font-size: 13px; text-align: center; letter-spacing: .01em; line-height: 1.5;
}
.status-banner .pulse {
  flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%;
  background: #7257f5; box-shadow: 0 0 0 5px rgba(114, 87, 245, .13);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .88); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1180px; margin: 0 auto; min-height: var(--nav-h);
  padding: 0 24px; display: flex; align-items: center; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; margin-right: auto; }
.brand:hover { color: inherit; }
.brand-mark {
  width: 42px; height: 42px; flex: 0 0 auto; display: grid; place-items: center;
  border-radius: 12px; background: linear-gradient(145deg, #8d79ff, #6548e8); color: #fff; font-weight: 800; font-size: 20px; box-shadow: inset 0 1px rgba(255,255,255,.35), 0 6px 16px rgba(91,65,210,.2); transform: rotate(-3deg);
}
.brand-text strong, .brand-text small { display: block; line-height: 1.2; }
.brand-text strong { font-size: 19px; letter-spacing: .05em; }
.brand-text small { color: var(--muted); font-size: 11px; margin-top: 3px; }

.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  color: #56615c; text-decoration: none; font-weight: 600; font-size: 14.5px;
  padding: 8px 12px; border-radius: 10px; white-space: nowrap;
}
.site-nav a:hover { color: #4b4550; background: #f2eff7; }
.site-nav a.is-current, .site-nav a[aria-current="page"] { color: var(--green-dark); background: var(--green-soft); }
.site-nav .nav-cta {
  margin-left: 8px; background: #333133; color: #fff; font-weight: 600;
  padding: 9px 16px; border-radius: 8px; box-shadow: 0 0 0 1px rgba(0,0,0,.75), 0 1px 3px rgba(0,0,0,.3), 1px 4px 8px rgba(0,0,0,.12);
}
.site-nav .nav-cta:hover { background: var(--green-dark); color: #fff; }

/* 移动端汉堡按钮 */
.nav-toggle {
  display: none; margin-left: auto; width: 44px; height: 44px;
  background: transparent; border: 1px solid var(--line); border-radius: 11px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle-bar { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 通用布局 ---------- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section.tight { padding: 44px 0; }
.section.alt { background: rgba(247,245,252,.7); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.eyebrow {
  color: var(--green); letter-spacing: .14em; font-weight: 800;
  font-size: 11px; text-transform: uppercase; margin: 0 0 10px;
}
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2, .section-head h1 { font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 14px; letter-spacing: -.02em; line-height: 1.2; }
.section-head p { color: var(--muted); margin: 0; font-size: 16px; }

/* ---------- 按钮 ---------- */
.btn {
  width: 148px; height: 42px; display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  border: 0; border-radius: 9px; padding: 0 12px; font-weight: 650; font-size: 14px; white-space: nowrap;
  text-decoration: none; transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: #333133; color: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.75), 0 1px 3px rgba(0,0,0,.32), 1px 4px 8px rgba(0,0,0,.12); }
.btn.primary:hover { background: #1f1d20; color: #fff; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: #58635e; }
.btn.ghost:hover { border-color: var(--green); color: var(--green-dark); }
.btn.soft { background: var(--green-soft); color: var(--green-dark); }
.btn.soft:hover { background: #d4e8df; }
.btn.lg, .btn.sm { width: 148px; height: 42px; padding: 0 12px; font-size: 15px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- 主视觉 ---------- */
.hero { padding: 72px 0 80px; }
.hero-inner {
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 44px; align-items: center;
}
.hero h1 {
  font-size: clamp(38px, 5.8vw, 68px); line-height: 1; letter-spacing: -.04em; font-weight: 650;
  margin: 12px 0 20px;
}
.hero .lead { color: #4a5650; font-size: 17px; max-width: 560px; margin: 0 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 9px; }
.hero-badges span {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 8px 13px; font-size: 12.5px; color: #4a5650;
}

.hero-visual {
  position: relative; border-radius: 24px; padding: 34px 30px; overflow: hidden;
  background: radial-gradient(circle at 84% 16%, rgba(255,255,255,.8) 0 8%, transparent 9%), radial-gradient(circle at 88% 82%, #ffddec 0 12%, transparent 13%), linear-gradient(145deg, #e9e3ff 0%, #f6f2ff 54%, #e7f3ff 100%);
  color: #29242e; border: 1px solid #ddd5fa; box-shadow: var(--shadow);
}
.hero-visual h2 { margin: 0 0 6px; font-size: 20px; color: #29242e; }
.hero-visual .sub { color: #716a7a; font-size: 13px; margin-bottom: 24px; }
.flow { display: flex; flex-direction: column; gap: 0; }
.flow-node {
  display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: 14px;
  background: rgba(255, 255, 255, .72); border: 1px solid rgba(109,86,190,.13); box-shadow: 0 3px 12px rgba(74,57,105,.05);
}
.flow-node + .flow-arrow { margin: 0 auto; }
.flow-arrow { color: #8fc2ac; font-size: 18px; line-height: 1; padding: 4px 0; }
.flow-node .ico { flex: 0 0 auto; width: 36px; height: 36px; display: grid; place-items: center; background: #eeeaff; color: #654ed6; border-radius: 10px; }
.flow-node strong { display: block; font-size: 14.5px; }
.flow-node small { color: #746d7d; font-size: 12.5px; display: block; margin-top: 2px; }
.flow-node .tag { margin-left: auto; flex: 0 0 auto; font-size: 11px; font-weight: 700; color: #755717; background: #fff3cc; border: 1px solid #ead99d; padding: 3px 8px; border-radius: 999px; }
.hero-visual .lock-note {
  margin-top: 20px; padding: 13px 15px; border-radius: 12px;
  background: rgba(255,255,255,.62); border: 1px solid rgba(109,86,190,.12); font-size: 13px; color: #5f5868;
  display: flex; align-items: center; gap: 9px;
}

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: rgba(255,255,255,.97); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm);
}
.card .ico {
  width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px;
  background: var(--green-soft); color: var(--green-dark); margin-bottom: 16px;
}
.card:nth-child(3n+2) .ico { background: #ffeaf2; color: #a34868; }
.card:nth-child(3n) .ico { background: #e8f3ff; color: #376da2; }
.card h3 { margin: 0 0 10px; font-size: 18px; letter-spacing: -.01em; }
.card p { color: var(--muted); margin: 0; font-size: 14.5px; }

/* ---------- 工作流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step { position: relative; padding: 26px 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.step::before {
  counter-increment: step; content: counter(step);
  width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px;
  background: var(--green); color: #fff; font-weight: 800; font-size: 14px; margin-bottom: 14px;
}
.step h3 { margin: 0 0 8px; font-size: 16.5px; }
.step p { color: var(--muted); margin: 0; font-size: 13.5px; }

/* ---------- 安全边界提示框 ---------- */
.notice {
  display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px;
  border-radius: 14px; font-size: 14.5px;
}
.notice .ico { flex: 0 0 auto; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: transparent; margin: 0; }
.notice p { margin: 0; line-height: 1.7; }
.notice strong { display: block; margin-bottom: 3px; }
.notice.amber { background: var(--amber-soft); border: 1px solid #f0d9b4; color: #6d4a12; }
.notice.amber .ico { background: rgba(167,93,0,.12); }
.notice.green { background: var(--green-soft); border: 1px solid #cfe7dc; color: #145238; }
.notice.green .ico { background: rgba(11,107,79,.12); }
.notice.neutral { background: #f1f4f1; border: 1px solid var(--line); color: #4a5550; }
.notice.neutral .ico { background: rgba(24,33,29,.06); }
.notice-stack { display: grid; gap: 14px; }

/* ---------- 状态徽章 ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 6px 11px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.pill.good { background: var(--green-soft); color: var(--green-dark); }
.pill.warning { background: var(--amber-soft); color: var(--amber); }
.pill.neutral { background: #eef1ef; color: #66716c; }
.pill.bad { background: var(--red-soft); color: var(--red); }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- 对比 / 能力状态表 ---------- */
.feature-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.feature-table th, .feature-table td { text-align: left; padding: 15px 18px; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.feature-table thead th { background: #f4f7f4; color: #4a5550; font-size: 12.5px; letter-spacing: .04em; text-transform: uppercase; }
.feature-table tr:last-child td { border-bottom: 0; }
.feature-table td:first-child { font-weight: 650; }
.feature-table td:not(:first-child) { color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; max-width: 820px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 20px; font-weight: 700; font-size: 15.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; flex: 0 0 auto; width: 24px; height: 24px; display: grid; place-items: center;
  border-radius: 8px; background: var(--green-soft); color: var(--green-dark); font-weight: 700;
  transition: transform .18s ease;
}
.faq-item[open] summary::after { content: "–"; transform: rotate(180deg); }
.faq-item .faq-body { padding: 0 20px 20px; color: var(--muted); font-size: 14.5px; line-height: 1.75; }
.faq-item .faq-body p { margin: 0 0 10px; }
.faq-item .faq-body p:last-child { margin-bottom: 0; }

/* ---------- 价格 / 充值方案 ---------- */
.pricing-note { margin-bottom: 26px; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line);
  border-radius: 20px; padding: 28px; box-shadow: var(--shadow-sm); position: relative;
}
.plan.featured { border-color: #8d78ee; box-shadow: 0 20px 50px rgba(89,65,181,.13); }
.plan .plan-badge {
  position: absolute; top: -12px; left: 24px; background: #7257f5; color: #fff;
  font-size: 11px; font-weight: 800; letter-spacing: .04em; padding: 4px 12px; border-radius: 999px;
}
.plan h3 { margin: 4px 0 4px; font-size: 19px; }
.plan .plan-tag { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.plan .price { font-size: 30px; font-weight: 800; letter-spacing: -.02em; margin: 4px 0 2px; }
.plan .price small { font-size: 13px; font-weight: 600; color: var(--muted); }
.plan .price-hint { color: var(--muted); font-size: 12.5px; margin: 0 0 20px; }
.plan ul { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 10px; flex: 1; }
.plan li { position: relative; padding-left: 26px; font-size: 14px; color: #46514c; line-height: 1.55; }
.plan li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 800; }
.plan li.muted-item { color: var(--muted); }
.plan li.muted-item::before { content: "–"; color: var(--muted); }
.plan .btn { width: 100%; }

/* ---------- 表单（仅信息展示，不提交后端） ---------- */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 30px; box-shadow: var(--shadow-sm); }
.panel h2 { margin: 0 0 8px; font-size: 22px; }
.panel p.lead { color: var(--muted); margin: 0 0 20px; }
.field { display: block; margin: 0 0 16px; }
.field span { display: block; font-size: 13px; font-weight: 700; margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px;
  color: var(--ink); background: #fff; font: inherit;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: 3px solid var(--focus); border-color: #8d78ee; }
.field .hint { font-size: 12px; color: var(--muted); font-weight: 400; margin-top: 6px; }

/* ---------- CSP-safe page layout helpers ---------- */
.page-hero-compact { padding-bottom: 40px; }
.page-title {
  font-size: clamp(30px, 4vw, 46px); line-height: 1.12;
  letter-spacing: -.03em; margin: 12px 0 16px;
}
.page-title-wide { font-size: clamp(32px, 4.6vw, 50px); max-width: 760px; margin-bottom: 18px; }
.page-lead { font-size: 17px; max-width: 680px; color: #4a5650; margin: 0; }
.page-lead-narrow { font-size: 16px; max-width: 520px; margin-bottom: 26px; }
.grid-start { align-items: start; gap: 32px; }
.grid-followup { margin-top: 20px; }
.link-followup { margin-top: 16px; }
.link-followup-lg { margin-top: 22px; }
.link-followup-xl { margin-top: 28px; }
.notice-followup { margin-top: 16px; }
.notice-followup-lg { margin-top: 24px; }
.section-head-compact { margin-bottom: 20px; }
.fine-print { font-size: 13px; color: var(--muted); margin-top: 18px; margin-bottom: 0; }
.full-width { width: 100%; }
.form-note { margin: 18px 0 0; font-size: 13px; color: var(--muted); text-align: center; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }
.small-muted { font-size: 13px; color: var(--muted); margin: 0; }
.steps-three { grid-template-columns: repeat(3, 1fr); }
.cta-card { text-align: center; padding: 48px 28px; }
.cta-card-spaced { margin-top: 40px; }
.cta-title { font-size: clamp(24px, 3vw, 32px); margin: 8px 0 14px; }
.cta-copy { color: var(--muted); max-width: 520px; margin: 0 auto 24px; }
.actions-center { justify-content: center; }

/* ---------- 页脚 ---------- */
.site-footer { background: #29262b; color: #d9d4dc; border-top: 1px solid #3a363d; margin-top: 40px; }
.footer-inner {
  max-width: 1180px; margin: 0 auto; padding: 52px 24px 40px;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px;
}
.footer-brand { display: flex; gap: 14px; align-items: flex-start; }
.footer-brand .brand-mark { background: var(--green); }
.footer-brand strong { color: #fff; font-size: 18px; display: block; }
.footer-brand p { color: #aaa4ae; font-size: 13.5px; margin: 6px 0 0; max-width: 360px; line-height: 1.6; }
.footer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.footer-nav h2 { color: #fff; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 14px; }
.footer-nav a { display: block; color: #aaa4ae; text-decoration: none; font-size: 14px; padding: 5px 0; }
.footer-nav a:hover { color: #eaf6ef; }
.footer-meta {
  border-top: 1px solid #3a363d; padding: 20px 24px; max-width: 1180px; margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 8px 24px; color: #8e8792; font-size: 12.5px; justify-content: center; text-align: center;
}
.footer-meta p { margin: 0; }
.footer-meta .muted-link { color: #7f9a8f; text-decoration: underline; }
.footer-meta .muted-link:hover { color: #cfe0d8; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { max-width: 560px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; max-width: 520px; }
}

@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px 16px 18px;
    box-shadow: var(--shadow); display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 13px 14px; font-size: 15.5px; }
  .site-nav .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }
  .header-inner { padding: 0 16px; }
}

@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .hero { padding: 48px 0 56px; }
  .grid-2, .grid-4, .steps { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 auto; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; padding: 40px 20px 32px; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .feature-table { display: block; overflow-x: auto; white-space: nowrap; }
  .panel { padding: 22px 18px; }
  .steps-three { grid-template-columns: 1fr; }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .btn:hover { transform: none; }
}

/* ============================================================
   2026-08 · 截图校准版展示首页
   蓝色城市动画背景 + 浮动导航 + 大型产品舞台 + 黑色 CTA/页脚
   ============================================================ */
.showcase-home { background: #fff; color: #252527; line-height: 1.55; overflow-x: hidden; }
.showcase-home .scene-hero { min-height: 1480px; padding: 18px 24px 0; position: relative; background: #25a8e6 url("./hero-china-anime-v2.png") center top / max(1920px, 100vw) auto no-repeat; }
.showcase-home .scene-nav { width: min(1080px, calc(100% - 40px)); min-height: 72px; margin: 0 auto; padding: 10px 12px 10px 22px; display: flex; align-items: center; gap: 24px; position: relative; z-index: 5; border: 1px solid rgba(255,255,255,.68); border-radius: 23px; background: rgba(235,247,253,.72); box-shadow: 0 13px 35px rgba(17,77,112,.16), inset 0 1px rgba(255,255,255,.8); backdrop-filter: blur(18px); }
.scene-brand { margin-right: auto; display: flex; align-items: center; gap: 10px; color: #292a2c; text-decoration: none; }
.scene-brand:hover { color: #292a2c; }
.scene-brand span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; background: #292a2c; color: #fff; font-size: 18px; font-weight: 900; }
.scene-brand strong { font-size: 22px; letter-spacing: -.04em; }
.scene-links { display: flex; align-items: center; gap: 4px; }
.scene-links a, .scene-actions > a:first-child { padding: 9px 11px; color: #303033; font-size: 14px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.scene-links a:hover, .scene-actions > a:first-child:hover { color: #111; background: rgba(255,255,255,.45); border-radius: 9px; }
.scene-actions { display: flex; align-items: center; gap: 6px; }
.dark-button, .yellow-button, .outline-button { min-height: 44px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; border-radius: 10px; text-decoration: none; font-size: 14px; font-weight: 750; transition: transform .16s ease, box-shadow .16s ease; }
.dark-button { color: #fff !important; background: #303033; box-shadow: 0 2px 4px rgba(0,0,0,.26), 0 8px 20px rgba(30,31,34,.14); }
.dark-button:hover, .yellow-button:hover, .outline-button:hover { transform: translateY(-2px); }
.scene-nav .nav-toggle { border-color: rgba(45,46,48,.14); background: rgba(255,255,255,.5); }

.hero-copy { width: min(980px, 100%); margin: 92px auto 46px; text-align: center; position: relative; z-index: 2; }
.new-pill, .section-pill { width: fit-content; display: inline-flex; align-items: center; gap: 8px; margin: 0; padding: 6px 12px; border: 1px solid rgba(255,255,255,.7); border-radius: 999px; background: rgba(225,246,255,.74); color: #22333d; font-size: 12px; font-weight: 720; backdrop-filter: blur(10px); }
.new-pill b { padding: 1px 7px; border-radius: 999px; color: #1557bd; background: #e9f1ff; font-size: 10px; letter-spacing: .06em; }
.hero-copy h1 { margin: 25px 0 16px; color: rgba(255,255,255,.72); font-size: clamp(52px, 7vw, 96px); line-height: .98; letter-spacing: -.065em; font-weight: 700; text-shadow: 0 3px 25px rgba(0,96,150,.12); }
.hero-copy h1 em { color: #fff; font-style: normal; }
.hero-copy > p { margin: 0 auto; color: #fff; font-size: clamp(18px, 2vw, 25px); line-height: 1.55; text-shadow: 0 2px 14px rgba(0,87,134,.25); }
.hero-prompt { width: min(650px, 92%); min-height: 126px; margin: 38px auto 17px; padding: 16px; display: flex; flex-direction: column; justify-content: space-between; border: 5px solid rgba(202,234,249,.82); border-radius: 19px; background: rgba(255,255,255,.96); box-shadow: 0 16px 36px rgba(16,94,134,.17); text-align: left; }
.hero-prompt > div { display: flex; align-items: flex-start; gap: 12px; }
.prompt-icon { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; color: #148ac6; background: #e2f5ff; border-radius: 9px; }
.hero-prompt small, .hero-prompt strong { display: block; }
.hero-prompt small { color: #79848b; font-size: 12px; }
.hero-prompt strong { margin-top: 4px; color: #9aa1a6; font-size: 16px; font-weight: 500; }
.hero-prompt > a { align-self: flex-end; padding: 10px 15px; border-radius: 9px; color: #fff; background: #303033; text-decoration: none; font-size: 13px; font-weight: 750; }
.quick-chips { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; }
.quick-chips a { padding: 6px 13px; border-radius: 999px; color: #24343c; background: rgba(221,243,253,.76); font-size: 12px; text-decoration: none; backdrop-filter: blur(10px); }

.product-stage { width: min(1220px, calc(100% - 24px)); margin: 96px auto 0; position: relative; z-index: 2; overflow: hidden; border: 1px solid rgba(59,83,96,.24); border-radius: 27px; background: rgba(215,241,252,.72); box-shadow: 0 28px 70px rgba(24,78,105,.22), 0 0 0 7px rgba(255,255,255,.24); backdrop-filter: blur(16px); }
.stage-tabs { min-height: 68px; padding: 8px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.stage-tabs button { min-width: 0; border: 0; border-radius: 12px; color: #53636b; background: transparent; font-weight: 720; }
.stage-tabs button span { margin-right: 7px; color: #303033; font-size: 18px; }
.stage-tabs button.active { color: #202326; background: rgba(255,255,255,.74); box-shadow: 0 5px 13px rgba(25,78,106,.1); }
.stage-tabs button.active span { color: #f18c36; }
.stage-body { min-height: 570px; margin: 0 8px 8px; padding: 24px; display: grid; grid-template-columns: .72fr 1.45fr; gap: 24px; align-items: stretch; border: 1px solid rgba(70,80,86,.18); border-radius: 22px; background: #fff; }
.stage-copy { padding: 32px 18px 24px; display: flex; flex-direction: column; align-items: flex-start; }
.mini-label { margin: 0 0 18px; color: #f18c36; font-size: 12px; font-weight: 850; letter-spacing: .12em; }
.stage-copy h2 { margin: 0 0 30px; font-size: clamp(32px, 3vw, 48px); line-height: 1.13; letter-spacing: -.045em; }
.stage-copy ul { margin: 0 0 38px; padding: 0; list-style: none; display: grid; gap: 18px; }
.stage-copy li { position: relative; padding-left: 36px; font-size: 16px; font-weight: 650; }
.stage-copy li::before { content: "✓"; position: absolute; left: 0; top: -2px; width: 25px; height: 25px; display: grid; place-items: center; border: 1px solid #e5e5e5; border-radius: 8px; color: #717171; background: #fafafa; }
.stage-copy .dark-button { margin-top: auto; }
.app-preview { align-self: stretch; overflow: hidden; border: 1px solid #ddd; border-radius: 20px; background: #f4f6f7; box-shadow: 0 12px 30px rgba(36,43,48,.1); }
.preview-top { height: 54px; padding: 0 18px; display: flex; align-items: center; gap: 9px; border-bottom: 1px solid #e2e4e5; background: #fff; font-size: 12px; }
.preview-top > span:last-child { margin-left: auto; color: #148456; }
.preview-dot { width: 9px; height: 9px; border-radius: 50%; background: #26bf75; box-shadow: 0 0 0 5px #dcf8e9; }
.preview-layout { height: calc(100% - 54px); display: grid; grid-template-columns: 175px minmax(240px, 1fr) 190px; }
.preview-layout aside { padding: 20px 12px; display: flex; flex-direction: column; gap: 8px; border-right: 1px solid #e1e4e5; background: #fafafa; }
.preview-layout aside > b { margin: 0 8px 10px; }
.preview-layout aside > span { padding: 11px 10px; border-radius: 10px; font-size: 12px; font-weight: 700; }
.preview-layout aside small { display: block; margin-top: 5px; color: #92999c; font-weight: 500; }
.preview-layout aside .selected { color: #0e6c9c; background: #e3f5fd; }
.conversation { padding: 0 18px 18px; display: flex; flex-direction: column; background: #fff; }
.conversation header { height: 66px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #eee; }
.conversation header small { display: block; color: #92999c; }
.conversation header button { border: 0; background: transparent; }
.bubble { max-width: 78%; margin-top: 24px; padding: 13px 15px; border-radius: 14px; font-size: 12px; line-height: 1.55; }
.bubble.in { border-bottom-left-radius: 3px; background: #eef0f1; }
.bubble.out { margin-left: auto; border-bottom-right-radius: 3px; color: #fff; background: #198fca; }
.compose { margin-top: auto; min-height: 52px; padding: 7px; display: flex; align-items: center; gap: 8px; border: 1px solid #ddd; border-radius: 12px; color: #9aa1a4; font-size: 12px; }
.compose span { flex: 1; padding-left: 5px; }
.compose button { padding: 9px 14px; border: 0; border-radius: 8px; color: #fff; background: #303033; }
.phone-card { margin: 18px 14px; padding: 25px 18px; display: flex; flex-direction: column; align-items: center; align-self: start; gap: 7px; border-radius: 16px; background: #fff; box-shadow: 0 5px 18px rgba(35,42,46,.07); text-align: center; }
.phone-signal { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 18px; color: #148fca; background: #e3f6ff; font-size: 27px; }
.phone-card small { color: #899297; }
.battery { margin-top: 10px; padding: 5px 10px; border-radius: 999px; color: #16754f; background: #e5f7ed; font-size: 11px; }

.trust-strip { min-height: 160px; padding: 50px max(24px, calc((100vw - 1280px)/2)); display: flex; align-items: center; justify-content: space-around; gap: 36px; overflow: hidden; color: #aeb4bd; background: #fff; border-bottom: 1px solid #eee; font-size: clamp(16px, 1.5vw, 23px); font-weight: 800; white-space: nowrap; }
.proof-section, .feature-section, .faq-home { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.proof-section { min-height: 620px; padding: 118px 0; display: grid; grid-template-columns: .9fr 1.1fr; gap: 75px; align-items: center; }
.section-pill { border-color: #e5e5e5; background: #fff; color: #404044; backdrop-filter: none; }
.proof-copy h2, .feature-section header h2, .faq-home h2 { margin: 22px 0 20px; font-size: clamp(38px, 4.2vw, 58px); line-height: 1.08; letter-spacing: -.05em; }
.proof-copy > p:last-child { max-width: 570px; color: #5f6266; font-size: 17px; line-height: 1.8; }
.proof-copy b { color: #252527; }
.proof-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.proof-cards article { min-height: 285px; padding: 32px; display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; border: 1px solid #e4e4e4; border-radius: 22px; background: #fff; }
.proof-cards article > span, .proof-cards article small { color: #73777b; }
.proof-cards article strong { font-size: 32px; }
.stars { color: #ffad16; font-size: 25px; letter-spacing: 4px; }

.feature-section { padding: 105px 0 130px; }
.feature-section > header { text-align: center; }
.feature-section > header .section-pill { margin: 0 auto; }
.feature-section > header > p:last-child { color: #73777b; font-size: 18px; }
.feature-grid { margin-top: 70px; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.feature-grid article { min-height: 480px; padding: 38px; overflow: hidden; border: 1px solid #e5e5e5; border-radius: 24px; background: #fff; position: relative; }
.feature-no { color: #f18c36; font-size: 12px; font-weight: 850; letter-spacing: .12em; }
.feature-grid h3 { margin: 16px 0 10px; font-size: 28px; letter-spacing: -.035em; }
.feature-grid p { max-width: 470px; color: #74777b; font-size: 16px; }
.mini-ui { min-height: 190px; margin-top: 40px; padding: 26px; border-radius: 20px; background: #f7f7f7; border: 1px solid #eee; }
.message-ui { display: flex; flex-direction: column; gap: 12px; }
.message-ui i { width: 70%; height: 26px; border-radius: 9px; background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,.05); }
.message-ui i:nth-child(2) { width: 55%; margin-left: auto; background: #dff3fc; }
.message-ui b { align-self: flex-end; padding: 8px 16px; border-radius: 8px; color: #fff; background: #303033; font-size: 12px; }
.monitor-ui { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.monitor-ui i { display: grid; place-items: center; border-radius: 14px; background: #fff; font-style: normal; font-weight: 800; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.contact-ui { display: flex; align-items: center; gap: 16px; }
.contact-ui > i { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 16px; color: #087cad; background: #dff5ff; font-style: normal; font-size: 22px; }
.contact-ui > span { flex: 1; }
.contact-ui small { display: block; color: #8b9194; }
.contact-ui button { padding: 8px 12px; border: 1px solid #ddd; border-radius: 8px; background: #fff; }
.billing-ui { display: grid; align-content: center; }
.billing-ui strong { font-size: 45px; }
.billing-ui span { color: #8b9194; }
.billing-ui b { width: fit-content; margin-top: 25px; padding: 9px 16px; border-radius: 9px; background: #ffcc42; }

.security-band, .final-cta { width: min(1220px, calc(100% - 48px)); margin: 0 auto 120px; border-radius: 27px; }
.security-band { min-height: 500px; padding: 65px; display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 70px; color: #f6f6f6; background: #232326; box-shadow: inset 0 0 0 1px #3d3d40; }
.section-pill.dark { border-color: #505055; color: #d7d7da; background: #303034; }
.security-band h2 { margin: 20px 0; font-size: clamp(40px, 4.2vw, 60px); line-height: 1.08; letter-spacing: -.05em; }
.security-band p { color: #b8b8bd; font-size: 16px; line-height: 1.8; }
.yellow-button { width: fit-content; margin-top: 20px; color: #28282a; background: #ffcb3f; box-shadow: 0 4px 12px rgba(255,196,32,.15); }
.security-visual { min-height: 300px; display: flex; align-items: center; justify-content: center; gap: 11px; }
.security-visual span { min-width: 130px; min-height: 140px; padding: 23px 15px; display: flex; flex-direction: column; justify-content: center; border: 1px solid #4b4b50; border-radius: 18px; background: #303034; text-align: center; font-weight: 800; }
.security-visual small { display: block; margin-top: 8px; color: #96969d; font-weight: 500; }
.security-visual i { color: #ffcb3f; font-size: 11px; font-style: normal; }

.faq-home { padding: 20px 0 140px; text-align: center; }
.faq-home header .section-pill { margin: 0 auto; }
.faq-home .faq-list { margin: 50px auto 30px; text-align: left; }
.outline-button { border: 1px solid #d8d8d8; color: #303033; background: #fff; }
.final-cta { min-height: 390px; padding: 62px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; overflow: hidden; color: #fff; background: #252527; box-shadow: inset 0 0 0 1px #444; }
.final-cta h2 { margin: 12px 0 30px; font-size: clamp(42px, 4.8vw, 66px); line-height: 1.04; letter-spacing: -.05em; }
.final-cta > div > p { color: #ffcb3f; font-weight: 800; }
.cta-cards { height: 270px; position: relative; }
.cta-cards span { width: 190px; height: 235px; padding: 28px 22px; display: flex; flex-direction: column; justify-content: flex-end; position: absolute; bottom: -34px; border: 6px solid #fff; border-radius: 18px; color: #252527; background: #f3f3f3; box-shadow: 0 22px 45px rgba(0,0,0,.25); font-size: 18px; font-weight: 850; }
.cta-cards small { margin-top: 8px; color: #777; font-size: 12px; }
.tilt-left { left: 2%; transform: rotate(-10deg); }
.tilt-mid { left: 31%; z-index: 2; background: #dff5ff !important; }
.tilt-right { left: 60%; transform: rotate(9deg); background: #fff1c8 !important; }

.showcase-footer { padding: 90px max(24px, calc((100vw - 1180px)/2)) 35px; color: #d9d9dc; background: #202023; }
.footer-top { padding-bottom: 80px; display: grid; grid-template-columns: .9fr 1.3fr; gap: 80px; }
.footer-logo > span { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 15px; color: #242426; background: #ffcb3f; font-size: 26px; font-weight: 900; }
.footer-logo strong { display: block; margin-top: 18px; color: #ffcb3f; font-size: 34px; }
.footer-logo p { color: #8f8f95; }
.footer-top nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-top h2 { margin: 0 0 20px; color: #8f8f95; font-size: 13px; }
.footer-top nav a { display: block; padding: 7px 0; color: #f0f0f1; text-decoration: none; font-size: 14px; }
.footer-bottom { padding-top: 24px; display: flex; align-items: center; gap: 10px; border-top: 1px solid #3a3a3f; }
.footer-bottom > span { padding: 7px 11px; border: 1px solid #3e3e43; border-radius: 999px; color: #929298; font-size: 11px; }
.footer-bottom p { margin-left: auto; color: #77777d; font-size: 12px; }

@media (max-width: 1000px) {
  .showcase-home .scene-nav { width: calc(100% - 8px); }
  .scene-links { display: none; }
  .scene-nav .nav-toggle { display: flex; order: 2; }
  .scene-links.is-open { display: flex; position: absolute; inset: 82px 0 auto; padding: 12px; flex-direction: column; align-items: stretch; border-radius: 16px; background: #fff; box-shadow: 0 18px 40px rgba(0,0,0,.15); }
  .scene-links.is-open a { padding: 13px; }
  .scene-actions { margin-left: auto; }
  .stage-body { grid-template-columns: 1fr; }
  .stage-copy { min-height: 380px; }
  .preview-layout { min-height: 430px; grid-template-columns: 150px 1fr; }
  .phone-card { display: none; }
  .proof-section, .security-band { grid-template-columns: 1fr; }
  .security-visual { justify-content: flex-start; }
  .showcase-home .scene-hero { min-height: 1800px; }
}

@media (max-width: 700px) {
  .showcase-home .scene-hero { min-height: auto; padding: 10px 10px 70px; background-size: auto 760px; }
  .showcase-home .scene-nav { min-height: 62px; padding: 8px 10px; border-radius: 17px; }
  .scene-brand span { width: 34px; height: 34px; }
  .scene-brand strong { font-size: 19px; }
  .scene-actions > a:first-child { display: none; }
  .scene-actions .dark-button { min-height: 39px; padding: 0 12px; }
  .hero-copy { margin: 66px auto 42px; }
  .hero-copy h1 { font-size: 53px; }
  .hero-copy > p { font-size: 17px; }
  .hero-prompt { width: 100%; }
  .product-stage { width: 100%; margin-top: 80px; }
  .stage-tabs { grid-template-columns: repeat(3, 1fr); }
  .stage-tabs button { min-height: 44px; font-size: 12px; }
  .stage-body { padding: 13px; }
  .stage-copy { min-height: 350px; padding: 25px 10px; }
  .preview-layout { grid-template-columns: 1fr; }
  .preview-layout aside { display: none; }
  .trust-strip { min-height: 120px; padding: 38px 18px; justify-content: flex-start; overflow-x: auto; }
  .proof-section, .feature-section, .faq-home, .security-band, .final-cta { width: calc(100% - 28px); }
  .proof-section { padding: 80px 0; grid-template-columns: 1fr; gap: 45px; }
  .proof-cards, .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 420px; padding: 26px; }
  .security-band, .final-cta { padding: 36px 24px; margin-bottom: 80px; grid-template-columns: 1fr; }
  .security-visual { overflow-x: auto; justify-content: flex-start; }
  .security-visual span { min-width: 115px; }
  .final-cta { min-height: 650px; }
  .cta-cards { margin-top: 30px; }
  .cta-cards span { width: 150px; height: 200px; }
  .tilt-left { left: 0; }.tilt-mid { left: 27%; }.tilt-right { left: 54%; }
  .footer-top { grid-template-columns: 1fr; gap: 55px; }
  .footer-top nav { gap: 18px; }
  .footer-bottom { flex-wrap: wrap; }
  .footer-bottom p { width: 100%; margin-left: 0; }
}

/* 其余官网页面同步蓝 / 黄 / 黑产品语言 */
body:not(.showcase-home) { --green:#1597d1; --green-dark:#0879ad; --green-soft:#e2f5fd; --focus:#d9f2fc; --paper:#f7fbfd; --line:#dce7ec; background:radial-gradient(circle at 88% 0,#dff4fc 0,transparent 28%),var(--paper); }
body:not(.showcase-home) .status-banner { color:#145a78; background:#dff3fb; border-color:#c8e8f5; }
body:not(.showcase-home) .status-banner .pulse { background:#1597d1; box-shadow:0 0 0 5px rgba(21,151,209,.13); }
body:not(.showcase-home) .brand-mark { color:#252527; background:#ffcb3f; box-shadow:inset 0 1px rgba(255,255,255,.5),0 6px 16px rgba(185,133,0,.18); }
body:not(.showcase-home) .site-nav a:hover { color:#185a76; background:#e4f4fa; }
body:not(.showcase-home) .site-nav a.is-current,body:not(.showcase-home) .site-nav a[aria-current="page"] { color:#0879ad; background:#e2f5fd; }
body:not(.showcase-home) .hero-visual { border-color:#a9dcec; background:linear-gradient(rgba(234,248,253,.88),rgba(255,255,255,.94)),url("./hero-china-anime-v2.png") center/cover no-repeat; }
body:not(.showcase-home) .card .ico { color:#0879ad; background:#e2f5fd; }
body:not(.showcase-home) .card:nth-child(3n+2) .ico { color:#8a6200; background:#fff1c5; }
body:not(.showcase-home) .card:nth-child(3n) .ico { color:#0879ad; background:#dff5ff; }
body:not(.showcase-home) .step::before { color:#252527; background:#ffcb3f; }