/* 官网增量改版：沿用品牌色与既有界面示意，补全导航、搜索和兼容说明。 */
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 200; padding: 10px 16px; background: var(--card); border: 2px solid var(--accent); border-radius: 8px; }
.skip-link:focus { top: 10px; }
.nav { background: var(--card); }
.nav-inner { position: relative; }
.nav-links { gap: 17px; }
.menu-toggle { display: none; }
.hero { padding: 82px 0 70px; }
.hero h1 { font-size: clamp(34px, 3.8vw, 49px); letter-spacing: -1.5px; line-height: 1.3; }
.hero .eyebrow { margin-bottom: 20px; font-size: 12px; letter-spacing: 1px; }
.hero .sub { max-width: 470px; line-height: 1.9; }
.hero-actions .btn { padding: 11px 20px; }
.mock-caption { color: var(--text-dim); font-size: 12px; letter-spacing: .3px; margin: 0 0 12px; text-align: center; }
.hero .mock-side { flex-direction: column; align-items: center; }
.hero .mock-caption { width: 100%; }
.release-details { text-align: left; margin: 18px 0; }
.release-details summary { cursor: pointer; font-size: 13px; color: var(--text-dim); padding: 10px 0; }
.section-kicker { color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: 1.6px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 24px; }
.preview-badge { display: inline-block; color: var(--accent-dark); background: var(--accent-soft); border: 1px solid var(--border); border-radius: 6px; padding: 4px 9px; font-size: 11px; font-weight: 600; letter-spacing: .2px; }
.search-section { padding: 80px 0; }
.search-layout { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 60px; align-items: center; }
.search-copy h2, .compatibility-layout h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.45; letter-spacing: -.6px; margin-bottom: 20px; }
.search-copy > p, .compatibility-intro { color: var(--text-dim); font-size: 15px; line-height: 1.9; }
.search-benefits { list-style: none; margin: 22px 0; padding: 0; display: grid; gap: 12px; font-size: 14px; }
.search-benefits li { padding-left: 16px; border-left: 2px solid var(--accent); }
.search-benefits code { background: var(--code-bg); color: var(--accent-dark); padding: 2px 5px; border-radius: 4px; }
.fine-print { color: var(--text-dim); font-size: 12px !important; line-height: 1.8; }
.search-demo { padding: 24px; border: 1px solid var(--border-strong); border-radius: 16px; background: var(--card); box-shadow: var(--shadow-lg); min-width: 0; }
.demo-topline { display: flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 600; margin-bottom: 22px; }
.demo-indicator { background: var(--green); width: 7px; height: 7px; border-radius: 50%; flex: none; }
.demo-label { margin-left: auto; font-size: 11px; color: var(--text-dim); font-weight: 400; }
.demo-input-label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 7px; }
.demo-input-wrap { display: flex; align-items: center; gap: 10px; border: 1px solid var(--border-strong); background: var(--bg); border-radius: 9px; padding: 11px 13px; }
.demo-input-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.demo-input-wrap .icon { width: 17px; height: 17px; color: var(--accent); }
.demo-input-wrap input { min-width: 0; width: 100%; background: transparent; border: 0; color: var(--text); font: inherit; font-size: 14px; outline: none; }
.demo-input-wrap input::placeholder { color: var(--text-faint); }
.demo-presets { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 16px; }
.demo-presets button { border: 1px solid var(--border); border-radius: 5px; background: var(--bg-soft); color: var(--text-dim); font: inherit; font-size: 11px; padding: 4px 9px; cursor: pointer; }
.demo-presets button:hover, .demo-presets button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent-dark); background: var(--accent-soft); }
.demo-count { color: var(--text-dim); font-size: 11px; margin: 0 0 8px; }
.demo-results { min-height: 256px; }
.demo-record { display: flex; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.demo-record:last-child { border: 0; }
.demo-record > div { min-width: 0; flex: 1; }
.demo-record h3 { font-size: 13px; font-weight: 600; overflow-wrap: anywhere; }
.demo-record p { font-size: 11px; color: var(--text-dim); margin-top: 2px; overflow-wrap: anywhere; }
.demo-type { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--border); background: var(--bg-soft); border-radius: 7px; color: var(--accent-dark); font-size: 10px; flex: none; }
.demo-source { color: var(--text-dim); font-size: 10px; white-space: nowrap; }
.demo-disclaimer { padding-top: 12px; border-top: 1px solid var(--border); margin-top: 8px; }
.demo-empty { padding: 8px 0 22px; color: var(--text-dim); font-size: 13px; }
.resource-section { background: var(--card); }
.resource-section .section-head h2 { margin-top: 16px; }
.resource-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.resource-card { border-top: 1px solid var(--border-strong); padding-top: 20px; }
.resource-number { font: 12px ui-monospace, Consolas, monospace; color: var(--accent); }
.resource-card h3 { font-size: 17px; margin: 14px 0 10px; }
.resource-card p { color: var(--text-dim); font-size: 14px; line-height: 1.9; }
.maintenance-note { display: flex; align-items: flex-start; gap: 26px; padding: 22px 24px; margin: 36px 0 14px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px; font-size: 13px; }
.maintenance-note strong { white-space: nowrap; color: var(--accent-dark); }
.maintenance-note span { color: var(--text-dim); }
.centered { text-align: center; }
.compatibility-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 64px; align-items: start; }
.compatibility-intro { margin-bottom: 20px; }
.text-link { display: inline-flex; gap: 12px; text-decoration: none; font-size: 14px; font-weight: 600; }
.compatibility-panel { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 8px 24px 20px; }
.compatibility-panel dl > div { display: grid; grid-template-columns: 126px minmax(0, 1fr); gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.compatibility-panel dt { font-weight: 600; }
.compatibility-panel dd { color: var(--text-dim); overflow-wrap: anywhere; }
.compatibility-foot { color: var(--text-dim); font-size: 12px; padding-top: 16px; line-height: 1.8; }
.release-note { text-align: left; border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 12px 16px; color: var(--text-dim); font-size: 13px; margin: 18px 0; }
@media (max-width: 1050px) { .nav-links { gap: 12px; } .nav-links a { font-size: 12px; } }
@media (max-width: 980px) {
  .menu-toggle { display: inline-flex; }
  .nav-links { display: none; }
  .nav-links.is-open { display: flex; position: absolute; left: 0; right: 0; top: 60px; flex-wrap: wrap; gap: 0; padding: 12px; background: var(--card); border: 1px solid var(--border); border-radius: 0 0 12px 12px; box-shadow: var(--shadow); }
  .nav-links.is-open a { padding: 10px 14px; font-size: 14px; }
  .search-layout, .compatibility-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .hero-grid { gap: 32px; }
  .hero-copy { max-width: 680px; }
  .hero .sub { max-width: 600px; }
  .hero .mock-side { max-width: 540px; width: 100%; margin: 0 auto; }
}
@media (max-width: 640px) {
  .hero { padding: 48px 0; }
  .hero h1 { font-size: clamp(29px, 7.7vw, 42px); letter-spacing: -1px; }
  .hero .sub { font-size: 15px; }
  .hero-actions { gap: 9px; }
  .hero-actions .btn { padding: 11px 14px; font-size: 13px; }
  .search-section { padding: 48px 0; }
  .search-demo { padding: 18px; }
  .resource-grid { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .maintenance-note { flex-direction: column; gap: 8px; padding: 18px; }
  .compatibility-panel { padding: 4px 18px 18px; }
  .compatibility-panel dl > div { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .section-kicker { font-size: 10px; letter-spacing: 1px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ===== v2.0.14 信息架构优化 ===== */
:target { scroll-margin-top: 122px; }
.release-strip {
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 10%, var(--card)), var(--card));
  border-bottom: 1px solid var(--border);
}
.release-strip-inner {
  min-height: 42px; display: flex; align-items: center; gap: 10px;
  color: var(--text-dim); font-size: 12.5px;
}
.release-strip strong { color: var(--text); font-size: 13px; }
.release-strip a { margin-left: auto; text-decoration: none; font-weight: 600; white-space: nowrap; }
.release-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex: none;
  box-shadow: 0 0 0 4px var(--green-soft);
}
.release-summary { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hero-proof {
  display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px;
}
.hero-proof span {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px;
  color: var(--text-dim); background: color-mix(in srgb, var(--card) 78%, transparent);
  border: 1px solid var(--border); border-radius: 8px; font-size: 11.5px;
}
.hero-proof .icon { width: 14px; height: 14px; color: var(--accent); }
.card--new { position: relative; border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); background: linear-gradient(145deg, var(--card), color-mix(in srgb, var(--accent-soft) 72%, var(--card))); }
.card-label {
  position: absolute; top: 16px; right: 16px; color: var(--accent-dark);
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-radius: 999px; padding: 3px 8px; font-size: 10px; font-weight: 700;
}
.feature-map { padding: 52px 0 58px; }
.feature-map-head {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px;
  align-items: end; margin-bottom: 26px;
}
.feature-map-head h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.3; letter-spacing: -.5px; }
.feature-map-head p { color: var(--text-dim); font-size: 14px; line-height: 1.9; max-width: 500px; justify-self: end; margin: 0; }
.feature-map-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.feature-map-card {
  display: grid; gap: 7px; min-height: 148px; padding: 18px; color: var(--text);
  text-decoration: none; background: var(--card); border: 1px solid var(--border);
  border-radius: 13px; transition: transform .15s, border-color .15s, box-shadow .15s;
}
.feature-map-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 46%, var(--border)); box-shadow: var(--shadow); }
.feature-map-card--accent { background: linear-gradient(145deg, var(--accent-soft), var(--card)); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.map-index { color: var(--accent); font: 700 11px ui-monospace, Consolas, monospace; letter-spacing: .4px; }
.map-icon { color: var(--accent-dark); font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.feature-map-card strong { font-size: 16px; }
.feature-map-card small { color: var(--text-dim); font-size: 12px; line-height: 1.6; }
#features > .container > .section-head { margin-bottom: 20px; }
#features > .container > .section-head h2 { font-size: clamp(26px, 3vw, 34px); }
#features .feature { padding-top: 52px; padding-bottom: 52px; }
#features .feature:first-of-type { padding-top: 6px; }
#passwords .feature-head h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

@media (max-width: 980px) {
  .feature-map-head { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .feature-map-head p { justify-self: start; }
  .feature-map-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .release-strip-inner { min-height: 44px; gap: 8px; }
  .release-summary { display: none; }
  .release-strip a { font-size: 12px; }
  .hero-proof { gap: 6px; }
  .hero-proof span { padding: 5px 7px; font-size: 10.5px; }
  .feature-map { padding: 42px 0 46px; }
  .feature-map-grid { grid-template-columns: minmax(0, 1fr); }
  .feature-map-card { min-height: 0; }
  #features .feature { padding-top: 40px; padding-bottom: 40px; }
}