.nav-public{
  --orange: #ff4d1c;
  --orange-soft: #fff1ed;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --gray: #f5f5f7;
  --line: #e7e7ea;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 18px 50px rgba(29, 29, 31, 0.07);
}.nav-public, .nav-public *{ box-sizing: border-box; }.nav-public{ -webkit-text-size-adjust: 100%; }.nav-public{
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}.nav-public a{ color: inherit; }.nav-public img{ max-width: 100%; }.nav-public .sr-only{
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}.nav-public .nav-header{
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  min-height: 64px; padding: 10px max(20px, calc((100% - 1180px) / 2));
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}.nav-public .nav-brand{
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--orange); font-size: 20px; font-weight: 800; text-decoration: none; white-space: nowrap;
}.nav-public .nav-main{ display: flex; align-items: center; gap: 20px; margin-left: 8px; }.nav-public .nav-main a{ color: var(--ink); font-size: 14px; text-decoration: none; white-space: nowrap; }.nav-public .nav-main a:hover{ color: var(--orange); }.nav-public .nav-actions{ margin-left: auto; display: flex; align-items: center; gap: 10px; }.nav-public .nav-community{
  padding: 8px 14px; border-radius: 999px; background: var(--orange-soft);
  color: var(--orange); font-size: 14px; font-weight: 600; text-decoration: none; white-space: nowrap;
}.nav-public .nav-community:hover{ background: #ffe3d9; }.nav-public .nav-wrap{ max-width: 1180px; margin: 0 auto; padding: 0 24px; }.nav-public .nav-hero{ padding: 72px 0 44px; text-align: center; }
/* 首屏：标题与搜索框紧挨在一起，整组水平居中，顶部保留一点空隙。
   不再把两者拉到容器两端，避免中间出现一大片空白。 */
.nav-public .nav-hero--split{
  display: flex; align-items: center; justify-content: center; gap: 22px;
  padding: 30px 0 22px; text-align: left;
}.nav-public .nav-hero--split .nav-hero__copy{ flex: 0 1 auto; min-width: 0; }.nav-public .nav-hero.nav-hero--split h1{ margin: 2px 0 4px; font-size: clamp(28px, 3vw, 34px); }.nav-public .nav-hero--split .nav-hero__subtitle{ font-size: 13px; line-height: 1.65; }.nav-public .nav-hero__search{ flex: 0 1 560px; min-width: 0; }.nav-public .nav-hero--split .nav-search{ max-width: none; margin: 0; padding: 4px; }.nav-public .nav-hero--split .nav-search input{ padding: 9px 13px; font-size: 14px; }.nav-public .nav-hero--split .nav-search button{ min-height: 36px; padding: 8px 15px; font-size: 13px; }.nav-public .nav-hero__meta{ display: flex; align-items: baseline; gap: 4px 12px; flex-wrap: wrap; margin-top: 4px; }.nav-public .nav-hero--split .nav-search__hint{ margin: 0; font-size: 12px; line-height: 1.6; }.nav-public .nav-hero--split .nav-hero__actions{ justify-content: flex-start; margin: 0; }.nav-public .nav-hero__share{
  padding: 0; border: 0; background: none; color: var(--muted);
  font: inherit; font-size: 12px; line-height: 1.6; text-decoration: underline; cursor: pointer;
}.nav-public .nav-hero--small{ padding-bottom: 26px; }.nav-public .nav-hero--fallback{ padding: 110px 0 80px; }.nav-public .eyebrow{ margin: 0 0 6px; color: var(--orange); font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }.nav-public .nav-hero h1{ margin: 8px 0 10px; font-size: clamp(36px, 6vw, 66px); line-height: 1.06; letter-spacing: -0.03em; }.nav-public .nav-hero__subtitle{ margin: 0; color: var(--muted); font-size: clamp(17px, 2.2vw, 20px); }.nav-public .nav-search{
  display: flex; gap: 6px; max-width: 700px; margin: 30px auto 0;
  padding: 6px; border: 1px solid var(--line); border-radius: 15px; background: var(--gray);
}.nav-public .nav-search input{
  flex: 1; min-width: 0; padding: 12px 15px; border: 0; border-radius: 10px;
  background: transparent; color: var(--ink); font-size: 16px; outline: none;
}.nav-public .nav-search input:focus{ background: var(--white); box-shadow: 0 0 0 3px rgba(255, 77, 28, 0.12); }.nav-public .nav-search button, .nav-public .button{
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 10px 18px; border: 1px solid transparent; border-radius: 10px;
  background: var(--white); color: var(--ink); font: inherit; font-size: 14px; text-decoration: none; cursor: pointer;
}.nav-public .nav-search button, .nav-public .button.primary{ background: var(--orange); color: var(--white); }.nav-public .nav-search button:hover, .nav-public .button.primary:hover{ background: #ff5a1f; }.nav-public .button{ border-color: var(--line); }.nav-public .button:hover{ border-color: #d8d8dc; }.nav-public .nav-search__hint{ margin: 14px auto 0; color: var(--muted); font-size: 14px; }.nav-public .nav-search__hint a{ color: var(--orange); }.nav-public .nav-hero__actions{ display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 14px; flex-wrap: wrap; }.nav-public .nav-section{ padding: 28px 0 8px; }.nav-public .section-title{ display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }.nav-public .section-title h2, .nav-public .nav-section h2{ margin: 0; font-size: 25px; letter-spacing: -0.02em; }.nav-public .section-title span{ color: var(--muted); font-size: 14px; }.nav-public .view-toggle{ margin-left: auto; display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--gray); }.nav-public .view-toggle button{ padding: 5px 10px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font-size: 13px; cursor: pointer; }.nav-public .view-toggle button.is-active{ background: var(--white); color: var(--ink); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08); }.nav-public .category-links{ display: flex; flex-wrap: wrap; gap: 10px; }.nav-public .category-links a{
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px;
  border-radius: 999px; background: var(--gray); color: var(--ink); font-size: 14px; text-decoration: none;
}.nav-public .category-links a:hover{ background: var(--orange-soft); color: var(--orange); }.nav-public .category-links small{ color: var(--muted); font-size: 12px; }.nav-public .site-grid{ display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }.nav-public .site-card{
  display: flex; flex-direction: column; min-width: 0; padding: 18px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--white);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}.nav-public .site-card:hover{ border-color: #d8d8dc; box-shadow: var(--shadow); transform: translateY(-1px); }.nav-public .site-card__head{ display: flex; align-items: center; gap: 12px; min-width: 0; }.nav-public .site-card__head img, .nav-public .site-icon{
  display: grid; place-items: center; flex: 0 0 44px; width: 44px; height: 44px;
  border-radius: 12px; background: var(--orange-soft); color: var(--orange);
  object-fit: cover; font-weight: 800;
}.nav-public .site-card__identity{ min-width: 0; flex: 1; }.nav-public .site-card__identity h3{ margin: 0; font-size: 17px; line-height: 1.35; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }.nav-public .site-card__identity h3 a{ color: var(--ink); text-decoration: none; }.nav-public .site-card__identity h3 a:hover{ color: var(--orange); }.nav-public .site-card__identity p{ margin: 2px 0 0; color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }.nav-public .sponsor{
  margin-left: auto; padding: 3px 7px; border-radius: 6px;
  background: #fff7e6; color: #a15c00; font-size: 11px; font-weight: 600; white-space: nowrap;
}.nav-public .sponsor--large{ padding: 5px 9px; font-size: 12px; }
/* 社群卡片上的收藏按钮：只有社群页面渲染这个按钮，公开站不出现，卡片其余结构两边一致。 */
.nav-public .site-card__favorite{
  flex: 0 0 auto; margin-left: auto; padding: 4px 11px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--white); color: var(--muted);
  font: inherit; font-size: 11.5px; font-weight: 600; cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.nav-public .site-card__favorite:hover{ border-color: #ffc7b3; background: var(--orange-soft); color: var(--orange); }
.nav-public .site-card__favorite.is-active{ border-color: #ffd2c5; background: var(--orange-soft); color: var(--orange); }.nav-public .site-card__desc{
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  margin: 14px 0 8px; color: var(--muted); font-size: 14px; line-height: 1.6;
}.nav-public .site-card__desc--muted{ color: #9a9aa0; }.nav-public .site-card__reason{
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  margin: 0 0 8px; padding-left: 9px; border-left: 2px solid #ffd2c5; color: #8a5a4c; font-size: 12px;
}.nav-public .site-card__tags{ display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }.nav-public .site-card__tags a, .nav-public .site-card__tags span{ padding: 3px 8px; border-radius: 999px; background: var(--gray); color: var(--muted); font-size: 12px; text-decoration: none; }.nav-public .site-card__tags a{ color: var(--orange); }.nav-public .site-card__clicks{ background: var(--orange-soft) !important; color: var(--orange) !important; }.nav-public .site-card__actions{ display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 16px; }.nav-public .site-card__actions > a:first-child{ color: var(--orange); font-size: 14px; text-decoration: none; }.nav-public .site-card__actions .button{ min-height: 34px; padding: 6px 12px; font-size: 13px; }

/* 紧凑列表视图：同一份卡片标记，只切换布局。 */
.nav-public .site-grid.site-grid--list{ grid-template-columns: 1fr; gap: 8px; }.nav-public .site-grid--list .site-card{ display: grid; grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.6fr) auto; align-items: center; gap: 18px; padding: 12px 16px; }.nav-public .site-grid--list .site-card__desc{ margin: 0; -webkit-line-clamp: 2; }.nav-public .site-grid--list .site-card__reason{ display: none; }.nav-public .site-grid--list .site-card__tags{ display: none; }.nav-public .site-grid--list .site-card__actions{ margin: 0; }.nav-public .empty{ margin: 0; padding: 34px 0; color: var(--muted); text-align: center; }.nav-public .nav-about, .nav-public .nav-submit, .nav-public .nav-business{
  margin-top: 28px; padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: var(--gray);
}.nav-public .nav-about p, .nav-public .nav-business p{ margin: 10px 0; color: var(--muted); }.nav-public .nav-about__links{ display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }.nav-public .nav-submit__form{ display: grid; gap: 14px; margin-top: 6px; }.nav-public .nav-submit__grid{ display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }.nav-public .field{ display: grid; gap: 6px; min-width: 0; }.nav-public .field > span{ color: var(--ink); font-size: 13px; font-weight: 600; }.nav-public .field input, .nav-public .field select, .nav-public .field textarea{
  width: 100%; min-width: 0; padding: 11px 12px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--white); color: var(--ink); font: inherit; font-size: 14px;
}.nav-public .field textarea{ resize: vertical; }.nav-public .field input:focus, .nav-public .field select:focus, .nav-public .field textarea:focus{ outline: 2px solid rgba(255, 77, 28, 0.18); border-color: var(--orange); }.nav-public .nav-honeypot{ position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }.nav-public .nav-submit__actions{ display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }.nav-public .form-hint{ color: var(--muted); font-size: 12px; }.nav-public .nav-message{ margin: 4px 0 0; font-size: 14px; color: #16794c; }.nav-public .nav-message.is-error{ color: #c53131; }.nav-public .nav-business__contact a{ color: var(--orange); }.nav-public .breadcrumbs{ display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-top: 26px; color: var(--muted); font-size: 13px; }.nav-public .breadcrumbs a{ color: var(--muted); text-decoration: none; }.nav-public .breadcrumbs a:hover{ color: var(--orange); }.nav-public .detail{ max-width: 820px; margin: 22px auto 10px; padding: 32px; border: 1px solid var(--line); border-radius: 22px; }.nav-public .detail__identity{ display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }.nav-public .site-icon--large{ flex-basis: 76px; width: 76px; height: 76px; border-radius: 20px; font-size: 28px; }.nav-public .detail h1{ margin: 2px 0 2px; font-size: clamp(28px, 4vw, 40px); line-height: 1.15; letter-spacing: -0.02em; }.nav-public .detail__domain{ margin: 0; color: var(--muted); font-size: 14px; }.nav-public .detail__description{ margin: 26px 0; color: var(--muted); font-size: 18px; line-height: 1.7; }.nav-public .detail section{ margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }.nav-public .detail section h2{ font-size: 18px; }.nav-public .detail__facts{ display: grid; gap: 10px; margin: 14px 0 0; }.nav-public .detail__facts > div{ display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 12px; }.nav-public .detail__facts dt{ color: var(--muted); font-size: 14px; }.nav-public .detail__facts dd{ margin: 0; font-size: 14px; min-width: 0; word-break: break-word; }.nav-public .detail__facts a{ color: var(--orange); text-decoration: none; }.nav-public .detail__actions{ display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 26px; }.nav-public .detail__actions .button.primary{ min-height: 46px; padding: 11px 20px; font-size: 15px; }.nav-public .nav-detail__back{ display: flex; gap: 10px; flex-wrap: wrap; }.nav-public .nav-footer{ margin-top: 64px; border-top: 1px solid var(--line); background: #fbfbfd; }.nav-public .nav-footer__inner{
  display: grid; grid-template-columns: 1.6fr repeat(3, minmax(140px, 1fr)); gap: 28px;
  max-width: 1180px; margin: 0 auto; padding: 44px 24px 34px;
}.nav-public .nav-footer__brand p{ margin: 10px 0 0; color: var(--muted); font-size: 14px; }.nav-public .nav-footer__note{ font-size: 12px !important; }.nav-public .nav-footer strong{ display: block; margin-bottom: 10px; font-size: 14px; }.nav-public .nav-footer a{ display: block; margin: 6px 0; color: var(--muted); font-size: 13px; text-decoration: none; }.nav-public .nav-footer a:hover{ color: var(--orange); }.nav-public .nav-footer .nav-brand{ display: inline-flex; margin: 0; color: var(--orange); font-size: 18px; }.nav-public .nav-footer__bottom{
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  max-width: 1180px; margin: 0 auto; padding: 18px 24px 26px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 12px;
}.nav-public .nav-footer__beian{ color: inherit; text-decoration: none; }.nav-public .nav-footer__beian:hover{ color: var(--ink); text-decoration: underline; }@media (max-width: 980px){.nav-public .site-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }.nav-public .nav-main{ gap: 14px; }.nav-public .nav-main a:nth-child(4), .nav-public .nav-main a:nth-child(5){ display: none; }.nav-public .site-grid--list .site-card{ grid-template-columns: 1fr; gap: 8px; }.nav-public .site-grid--list .site-card__desc{ display: none; }.nav-public .site-grid--list .site-card__actions{ justify-content: flex-start; }}@media (max-width: 700px){.nav-public .nav-header{ flex-wrap: wrap; gap: 8px 12px; padding: 10px 16px; }.nav-public .nav-main{
    display: flex; order: 3; width: 100%; gap: 16px;
    overflow-x: auto; padding: 2px 0 4px; scrollbar-width: none;
  }.nav-public .nav-main::-webkit-scrollbar{ display: none; }.nav-public .nav-main a:nth-child(4), .nav-public .nav-main a:nth-child(5){ display: inline; }.nav-public .nav-actions{ margin-left: auto; }.nav-public .nav-community{ padding: 7px 11px; font-size: 13px; }.nav-public .nav-wrap{ padding: 0 16px; }.nav-public .nav-hero{ padding: 46px 0 30px; }.nav-public .nav-hero--split{ flex-direction: column; gap: 14px; padding: 22px 0 18px; text-align: center; }.nav-public .nav-hero--split .nav-hero__search{ flex: 1 1 auto; width: 100%; }.nav-public .nav-hero--split .nav-hero__meta{ justify-content: center; }.nav-public .nav-hero--split .nav-hero__actions{ justify-content: center; }.nav-public .nav-hero--split .nav-search{ margin-top: 0; }.nav-public .nav-hero--fallback{ padding: 70px 0 50px; }.nav-public .nav-search{ margin-top: 22px; }.nav-public .nav-search button{ padding: 10px 14px; }.nav-public .site-grid{ grid-template-columns: 1fr; }.nav-public .section-title h2{ font-size: 21px; }.nav-public .view-toggle{ margin-left: 0; }.nav-public .nav-submit__grid{ grid-template-columns: 1fr; }.nav-public .nav-about, .nav-public .nav-submit, .nav-public .nav-business{ padding: 20px; }.nav-public .detail{ padding: 22px 18px; margin-top: 14px; }.nav-public .detail__identity{ gap: 14px; }.nav-public .detail__facts > div{ grid-template-columns: 70px minmax(0, 1fr); }.nav-public .nav-footer__inner{ grid-template-columns: 1fr 1fr; padding: 34px 16px 24px; }.nav-public .nav-footer__brand{ grid-column: 1 / -1; }.nav-public .nav-footer__bottom{ padding: 16px 16px 24px; }}

/* 软件下载与装机必备（所有按钮共用橙色品牌风格，窄屏自动换行） */
.nav-public .site-downloads{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }.nav-public .site-download{
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 34px; padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(255, 77, 28, .28); background: #fff5f0; color: var(--orange);
  font-size: 13px; font-weight: 600; text-decoration: none; cursor: pointer;
}.nav-public .site-download:hover{ background: #ffe9df; border-color: var(--orange); }.nav-public .site-download--unavailable{ border-color: var(--line); background: var(--surface); color: var(--muted); cursor: default; }.nav-public .download-menu{ position: relative; }.nav-public .download-menu > summary{ list-style: none; }.nav-public .download-menu > summary::-webkit-details-marker{ display: none; }.nav-public .download-menu__list{
  position: absolute; z-index: 20; left: 0; top: calc(100% + 6px); min-width: 210px;
  display: grid; gap: 2px; padding: 6px; border-radius: 12px;
  border: 1px solid var(--line); background: #fff; box-shadow: 0 12px 32px rgba(20, 20, 20, .12);
}.nav-public .download-menu__list a{ padding: 8px 10px; border-radius: 8px; color: var(--ink); font-size: 13px; text-decoration: none; }.nav-public .download-menu__list a:hover{ background: #fff5f0; color: var(--orange); }.nav-public .essentials-hero{ padding: 16px 0 10px; }.nav-public .essentials-hero .eyebrow{ margin-bottom: 2px; font-size: 11px; }.nav-public .essentials-hero h1{ margin: 4px 0 4px; font-size: clamp(24px, 3vw, 32px); line-height: 1.08; }.nav-public .essentials-hero .nav-hero__subtitle{ font-size: 13px; }.nav-public .essentials-hero .nav-search{ margin-top: 8px; }.nav-public .essentials-hero .nav-search__hint{ margin-top: 4px; font-size: 12px; }.nav-public .essentials-hero .nav-search select{ min-height: 44px; padding: 0 12px; border-radius: 12px; border: 1px solid var(--line); background: #fff; color: var(--ink); }.nav-public .essentials-purposes{ display: flex; flex-wrap: wrap; gap: 10px; }.nav-public .purpose-chip{
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); font-size: 14px; text-decoration: none;
}.nav-public .purpose-chip.is-active{ border-color: var(--orange); background: var(--orange); color: #fff; }.nav-public .essentials-grid{ display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }.nav-public .essentials-card{ padding: 22px; border-radius: 18px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }.nav-public .essentials-card__head{ display: flex; align-items: center; gap: 14px; }.nav-public .essentials-card__head img, .nav-public .essentials-card__head .site-icon{ width: 48px; height: 48px; border-radius: 12px; object-fit: contain; display: grid; place-items: center; }.nav-public .essentials-card__identity h2{ margin: 0; font-size: 18px; }.nav-public .essentials-card__identity p{ margin: 3px 0 0; color: var(--muted); font-size: 13px; }.nav-public .essentials-card__desc{ margin: 14px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }.nav-public .essentials-card__meta{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; color: var(--muted); font-size: 12px; }.nav-public .essentials-card__meta > span{ padding: 3px 9px; border-radius: 999px; background: var(--surface); }.nav-public .essentials-card__meta .purpose-tag{ background: #fff0e8; color: var(--orange); }.nav-public .essentials-card__actions{ display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 16px; }.nav-public .essentials-card__actions > a:last-child{ color: var(--orange); font-size: 13px; text-decoration: none; }.nav-public .essentials-card .site-downloads{ margin-top: 14px; }@media (max-width: 700px){.nav-public .essentials-grid{ grid-template-columns: 1fr; }.nav-public .essentials-card{ padding: 18px; }.nav-public .site-downloads{ gap: 6px; }.nav-public .site-download{ flex: 1 1 auto; min-width: 0; }.nav-public .download-menu{ flex: 1 1 auto; }.nav-public .download-menu > summary{ width: 100%; }.nav-public .download-menu__list{ position: static; margin-top: 6px; width: 100%; box-shadow: none; }.nav-public .essentials-hero .nav-search{ flex-wrap: wrap; }.nav-public .essentials-hero .nav-search select{ width: 100%; }}