/* 公开展示页的视觉增强。作者：wwj
 * 在页面原有样式后加载；不依赖脚本，不改动业务组件和内容可见性。
 */
:root {
  --border: #dce5ef;
  --bg-soft: #f5f7fa;
  --radius: 16px;
  --shadow: 0 3px 14px rgba(20, 45, 90, .04);
  --shadow-lg: 0 12px 32px rgba(20, 45, 90, .08);
}

body { overflow-wrap: break-word; }
button, input, select, textarea { font: inherit; }
a, button, [role="button"], [role="tab"] { touch-action: manipulation; }
:is(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
}
:is(section, header, h2, h3, .tbl-col)[id] { scroll-margin-top: 88px; }

/* 实色导航与清晰的点击区域。 */
.nav { background: #fff; backdrop-filter: none; }
.nav-inner { gap: 16px; }
.nav-left, .brand { flex-shrink: 0; }
.nav-menu { gap: 22px; }
.nav-menu a { white-space: nowrap; }
.nav-menu a:not(.nav-cta) { padding-block: 10px; }
.nav-cta, .brand .logo { box-shadow: none; }
.nav-burger { width: 44px; height: 44px; flex-shrink: 0; border-radius: 8px; }
.nav-burger:hover { background: var(--bg-soft); }
#mNav { max-height: calc(100dvh - 64px); overflow-y: auto; }
#mNav a:hover { color: var(--primary); background: var(--bg-soft); }

/* 首屏保留全部说明，减少装饰占用的高度。 */
.hero { padding: 48px 0; background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.hero-inner { max-width: 960px; }
.hero-mascot {
  display: inline-block;
  width: 60px;
  height: 60px;
  margin: 0 12px 24px 0;
  vertical-align: middle;
  box-shadow: none;
}
.hero-brand { display: inline-block; margin: 0 0 24px; vertical-align: middle; font-size: 21px; }
.hero-inner .pill {
  display: flex;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 22px;
  padding: 6px 14px;
  border-radius: 8px;
  box-shadow: none;
}
.hero-inner h1 { font-size: 46px; line-height: 1.3; text-wrap: balance; }
.hero h1 .grad { background: none; color: var(--primary); }
.hero-sub { margin-top: 20px; line-height: 1.85; }
.hero-actions { margin-top: 26px; gap: 12px; }
.hero-note { line-height: 1.8; }
.trust { margin-top: 28px; gap: 12px; }
.trust-item { padding: 9px 16px; border-radius: 8px; box-shadow: none; }

/* 卡片与按钮用边框和间距区分层级。 */
.btn { min-height: 46px; border-radius: 10px; max-width: 100%; white-space: normal; }
.btn-primary { box-shadow: 0 3px 8px rgba(43, 110, 215, .14); }
.btn-primary:hover { transform: none; box-shadow: 0 4px 12px rgba(43, 110, 215, .18); }
.btn-ghost { border-color: #bfcee1; }
.section { padding: 64px 0; }
.sec-head { margin-bottom: 36px; }
.sec-head h2 { font-size: 30px; line-height: 1.45; text-wrap: balance; }
.sec-head p { line-height: 1.8; }
.feat, .vs-card, .price-card { box-shadow: var(--shadow); }
.feat { padding: 28px 24px; }
.feat:hover { transform: none; box-shadow: var(--shadow-lg); }
.feat-ic { width: 46px; height: 46px; border-radius: 11px; font-size: 20px; }
.feat-ic.c1, .dic.official { background: var(--primary); }
.feat-ic.c2 { background: #0a7a4b; }
.feat-ic.c3 { background: #8a6512; }
.feat p, .feat li { line-height: 1.8; }
.safe { background-image: none; border-radius: 20px; padding: 44px 36px; }
.safe-head h2 { font-size: 29px; line-height: 1.45; }
.safe-item { border-radius: 12px; }
.price-card.rec { box-shadow: 0 8px 24px rgba(43, 110, 215, .1); }
.more-toggle { min-height: 44px; padding: 8px 12px; }
.compare { margin-top: 36px; }
.compare td, .compare th { line-height: 1.7; }
.step { border-radius: 12px; }
.faq-q { min-height: 56px; line-height: 1.65; }
.faq-q:hover { background: var(--bg-soft); }
.faq-item.open .faq-a { max-height: none; }
.faq-a { line-height: 1.85; }
.endcta { background: var(--primary-dark); border-radius: 20px; padding: 44px 28px; }
.endcta h2 { line-height: 1.45; }
.footer-cols { gap: 40px; }
.footer-col a { padding-block: 8px; }
.footer-bot { line-height: 1.9; }

/* 下载和阅读页面。 */
.dhero, .hhead, .lhead {
  background: var(--bg-soft);
  padding: 44px 24px 32px;
  border-bottom: 1px solid var(--border);
}
.dhero h1, .hhead h1, .lhead h1 { line-height: 1.4; text-wrap: balance; }
.vbadge { border-radius: 8px; box-shadow: none; }
.dcard { padding: 22px; box-shadow: var(--shadow); }
.dcard.primary { background: #f1f6fd; }
.dcard:hover { transform: none; }
.dinfo { min-width: 0; }
.dinfo .dd { line-height: 1.75; }
.panel { box-shadow: var(--shadow); }
.panel li::before { content: "✓"; font-family: var(--font); }
.panel.warn li::before { content: "!"; }
.steps-mini li::before { content: counter(s); }
.doc { gap: 32px; padding-top: 32px; }
.doc-main { min-width: 0; }
.doc-main p, .doc-main li, .legal p, .legal li { line-height: 1.9; }
.doc-main h2 { margin-bottom: 12px; }
.toc { background: #fff; box-shadow: var(--shadow); }
.toc a { padding-block: 10px; }
.toc a:hover { background: var(--primary-soft); }
.legal h2 { line-height: 1.55; }
.legal h2::before { flex-shrink: 0; }
.legal :is(p, li) a, .doc-main :is(p, li) a { text-underline-offset: 3px; }
.legal :is(p, li) a:hover, .doc-main :is(p, li) a:hover { text-decoration: underline; }

@media (min-width: 861px) and (max-width: 1100px) {
  .nav-inner { gap: 10px; padding-inline: 20px; }
  .nav-menu { gap: 14px; }
  .nav-left { gap: 8px; }
  .prod-tabs a { padding-inline: 8px; font-size: 13px; }
  .nav-cta { padding-inline: 14px; }
}

@media (min-width: 641px) and (max-width: 860px) {
  .safe-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .nav-inner { gap: 10px; }
  .nav-left { margin-right: auto; }
  /* 与年报页保持一致：窄屏也能直接找到下载入口。 */
  .nav:has(.nav-burger) .nav-menu { display: flex; gap: 0; }
  .nav:has(.nav-burger) .nav-menu a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 9px 12px; font-size: 13px; }
  .nav-burger { margin-left: 0; }
  .hero { padding: 32px 0 36px; }
  .hero-inner h1 { font-size: clamp(26px, 5.8vw, 36px); }
  .hero-sub { font-size: 16px; text-align: left; }
  .hero-mascot { width: 44px; height: 44px; margin: 0 8px 20px 0; }
  .hero-brand { font-size: 18px; margin-bottom: 20px; }
  .hero-brand span { font-size: 13px; margin-left: 4px; }
  .section { padding: 44px 0; }
  .sec-head { margin-bottom: 28px; }
  .sec-head h2 { font-size: 26px; }
  .safe { padding: 32px 22px; }
  .safe-head h2 { font-size: 26px; }
}

@media (max-width: 480px) {
  .wrap, .hero-inner, .nav-inner { padding-inline: 18px; }
  .hero-inner h1 { font-size: clamp(24px, 6.7vw, 30px); }
  .hero-brand span { display: block; margin-left: 0; }
  .hero-inner .pill { font-size: 12px; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { width: 100%; padding: 13px 18px; }
  .hero-note { font-size: 12px; }
  .trust { gap: 8px; }
  .trust-item { font-size: 12px; padding: 8px 10px; gap: 6px; }
  .feat, .vs-card, .price-card { padding: 24px 20px; }
  .compare th, .compare td { padding: 11px 9px; font-size: 13px; }
  .faq-q { padding: 16px; font-size: 15px; }
  .faq-a div { padding: 0 16px 18px; }
  .endcta { padding: 32px 20px; }
  .endcta h2 { font-size: 25px; }
  .endcta .btn { width: 100%; padding: 13px 16px; }
  .footer-cols { gap: 24px; }
  .dhero, .hhead, .lhead { padding: 32px 18px 26px; }
  .dhero h1, .hhead h1, .lhead h1 { font-size: 26px; }
  .vbadge { font-size: 12px; padding: 8px 10px; }
  .dwrap, .legal, .doc { padding-inline: 18px; }
  .dcard { padding: 18px 14px; gap: 12px; flex-wrap: wrap; }
  .dinfo { flex-basis: 160px; }
  .panel { padding: 22px 18px; }
  .doc-main th, .doc-main td, .legal th, .legal td { padding: 10px 8px; font-size: 13px; }
  .legal .promise { padding: 20px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}