/* ============================================================
   13-desktop-premium.css — 桌面端高级质感层（加载顺序最后，赢得级联）
   设计语言：高端编辑部（editorial premium）——
   衬线展示字大标题 / 大量留白 / 发丝细线 / 克制铜色点缀 / 悬停微动效。
   只作用于 ≥900px；移动端唯一影响是隐藏 .ss-home-sub（桌面专属副标题）。
   ============================================================ */

/* 移动端：隐藏桌面专属元素 */
.ss-home-sub {
  display: none;
}

/* 导航双标签：移动端显示"扫描台"，桌面端显示"首页"（内容门户语义） */
.ss-tab-label-d {
  display: none;
}

@media (min-width: 900px) {
  :root {
    --serif: "Noto Serif SC", "Songti SC", serif;
    --nav-h: 60px;
  }

  /* ---------- 画布：更安静的底 ---------- */
  #app.app-shell::before {
    opacity: 0.45; /* 弱化发丝网格，桌面上大面积网格显得廉价 */
  }

  /* ---------- 顶部品牌条：毛玻璃 ---------- */
  #app.app-shell .ss-header {
    height: 64px;
    align-items: center;
    background: color-mix(in srgb, var(--panel) 78%, transparent);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  }

  #app.app-shell .ss-brand-name {
    font-size: 17px;
    letter-spacing: 0.08em;
  }

  #app.app-shell .ss-brand-os {
    letter-spacing: 0.3em;
  }

  /* ---------- 导航：纯文字编辑部风格 ---------- */
  #app.app-shell .ss-tabbar {
    height: var(--nav-h);
    align-items: stretch;
    gap: 8px;
    background: color-mix(in srgb, var(--panel) 88%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  #app.app-shell .ss-tab {
    padding: 0 18px;
    gap: 0;
  }

  #app.app-shell .ss-tab .ss-tab-ico {
    display: none; /* 桌面导航去图标：纯文字更高级 */
  }

  #app.app-shell .ss-tab .ss-tab-label {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--ink2);
    transition: color 0.18s ease;
  }

  #app.app-shell .ss-tab:hover .ss-tab-label {
    color: var(--ink);
  }

  #app.app-shell .ss-tab.active .ss-tab-label {
    color: var(--ink);
    font-weight: 800;
  }

  #app.app-shell .ss-tab .ss-tab-bar {
    top: auto;
    bottom: 0;
    left: 18px;
    right: 18px;
    width: auto;
    height: 2px;
    border-radius: 2px 2px 0 0;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.22s ease;
    background: var(--copper);
  }

  #app.app-shell .ss-tab.active .ss-tab-bar {
    transform: scaleX(1);
    box-shadow: 0 0 12px var(--glow);
  }

  /* ---------- 滚动条：细雅 ---------- */
  #app.app-shell .ss-scroll::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  #app.app-shell .ss-scroll::-webkit-scrollbar-thumb {
    border-radius: 8px;
    background: color-mix(in srgb, var(--ink3) 36%, transparent);
  }

  #app.app-shell .ss-scroll::-webkit-scrollbar-track {
    background: transparent;
  }

  /* ---------- 通用卡片悬停语言 ---------- */
  #app.app-shell .ss-explore-card,
  #app.app-shell [data-action="premium-open"],
  #app.app-shell .ss-plan-grid > [data-action="open-member"]:not(.ss-plan-trial) {
    transition: transform 0.2s ease, box-shadow 0.25s ease, border-color 0.2s ease;
  }

  /* 阴影固定用深色：暗色主题下 var(--ink) 是近白，会把"阴影"变成白光晕 */
  #app.app-shell .ss-explore-card:hover,
  #app.app-shell [data-action="premium-open"]:hover,
  #app.app-shell .ss-plan-grid > [data-action="open-member"]:not(.ss-plan-trial):hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--copper) 55%, var(--line2)) !important;
    box-shadow: 0 18px 44px rgba(12, 14, 18, 0.16);
  }

  #app.app-shell .ss-btn-copper:hover {
    filter: brightness(1.06);
    box-shadow: 0 12px 30px color-mix(in srgb, var(--copper) 35%, transparent);
  }

  /* ---------- 首页（扫描台）：着陆级排版 ---------- */
  #app[data-page="scenes"] .ss-scroll > * {
    max-width: 980px;
  }

  .ss-home-brand {
    padding: 54px 0 6px !important;
  }

  .ss-home-brand .ss-eyebrow {
    font-size: 12px !important;
    letter-spacing: 0.5em !important;
  }

  .ss-home-title {
    font-family: var(--serif) !important;
    font-size: 60px !important;
    font-weight: 900 !important;
    letter-spacing: 0.1em !important;
    margin-top: 16px !important;
  }

  .ss-home-sub {
    display: block;
    margin-top: 16px;
    color: var(--ink2);
    font-size: 15px;
    letter-spacing: 0.04em;
  }

  .ss-home-hero {
    max-width: 680px;
    margin: 36px auto 0 !important;
    padding: 30px 32px !important;
    border-radius: 22px !important;
  }

  .ss-home-hero-title {
    font-size: 24px !important;
    line-height: 1.45 !important;
  }

  .ss-home-hero-sub {
    font-size: 14px !important;
    margin-top: 10px !important;
  }

  .ss-home-hero .ss-scan-input {
    font-size: 16px;
    min-height: 76px;
  }

  #app.app-shell .ss-ghost-video {
    margin: 20px auto 0;
  }

  .ss-home-explore {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 16px !important;
  }

  #app.app-shell .ss-explore-card {
    padding: 20px 18px !important;
    border-radius: 18px !important;
  }

  /* 判断闭环条：收窄居中，弱化为脚注 */
  #app[data-page="scenes"] .ss-home-loop {
    max-width: 680px;
    margin-left: auto !important;
    margin-right: auto !important;
    margin-top: 34px !important;
  }

  /* ---------- 会员页：三卡横排 ---------- */
  #app[data-page="membership"] .ss-scroll > * {
    max-width: 920px;
  }

  #app[data-page="membership"] .ss-plan-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
    gap: 14px !important;
  }

  /* 体验链接横跨三列（类名钩子：trial 计划 id 是运行时可配的，不能写死） */
  #app[data-page="membership"] .ss-plan-grid > .ss-plan-trial {
    grid-column: 1 / -1;
  }

  .ss-member-hero {
    padding: 34px 36px !important;
    border-radius: 24px !important;
  }

  /* ---------- 专栏：杂志排版 ---------- */
  .ss-prem-head {
    padding: 26px 0 4px;
    text-align: center;
  }

  .ss-prem-title {
    font-family: var(--serif) !important;
    font-size: 38px !important;
    letter-spacing: 0.06em !important;
  }

  .ss-prem-sub {
    font-size: 13.5px !important;
    margin-top: 10px !important;
  }

  .ss-prem-list {
    gap: 14px !important;
    margin-top: 26px !important;
  }

  #app.app-shell [data-action="premium-open"] {
    padding: 24px 26px !important;
    border-radius: 18px !important;
  }

  #app.app-shell .ss-prem-card-title {
    font-size: 20px !important;
    line-height: 1.5 !important;
  }

  #app.app-shell .ss-prem-card-sub {
    font-size: 14px !important;
    line-height: 1.75 !important;
    margin-top: 10px !important;
  }

  /* 文章阅读页：正经的长文排版 */
  .ss-prem-article h1 {
    font-family: var(--serif) !important;
    font-size: 36px !important;
    line-height: 1.5 !important;
    letter-spacing: 0.01em !important;
    margin-top: 18px !important;
  }

  .ss-prem-article .ss-premium-body {
    font-size: 17px !important;
    line-height: 2.05 !important;
    letter-spacing: 0.01em;
    margin-top: 30px !important;
  }

  .ss-premium-body h2,
  .ss-premium-body h3 {
    font-family: var(--serif);
    color: var(--ink);
    line-height: 1.5;
    margin: 40px 0 14px;
  }

  .ss-premium-body h2 { font-size: 26px; }
  .ss-premium-body h3 { font-size: 21px; }

  .ss-premium-body p { margin: 0 0 18px; }

  .ss-premium-body ul,
  .ss-premium-body ol {
    margin: 0 0 18px;
    padding-left: 26px;
  }

  .ss-premium-body li { margin: 6px 0; }

  .ss-premium-body blockquote {
    margin: 26px 0;
    padding: 4px 0 4px 22px;
    border-left: 2.5px solid var(--copper);
    color: var(--ink2);
    font-family: var(--serif);
    font-size: 17.5px;
  }

  .ss-premium-body a {
    color: var(--copper);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
  }

  /* ---------- 朋友圈：白卡装裱 ---------- */
  #app[data-page="moments"] .ss-scroll > * {
    max-width: 620px;
    margin-top: 26px;
    margin-bottom: 34px;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 22px 60px rgba(12, 14, 18, 0.12);
  }

  /* ---------- 思想场/议事厅/档案库：稍宽的工作列 ---------- */
  #app[data-page="feed"] .ss-scroll > *,
  #app[data-page="council"] .ss-scroll > *,
  #app[data-page="assets"] .ss-scroll > * {
    max-width: 840px;
  }

  /* ---------- 页脚：精修 ---------- */
  /* 页脚在 #app 之外拿不到主题变量（变量作用域在 #app.app-shell 上），固定浅纸色与既有实现一致 */
  .site-footer {
    background: rgba(255, 253, 248, 0.92);
  }

  .site-footer .site-footer-inner {
    padding: 13px 24px;
  }

  .site-footer-brand b {
    letter-spacing: 0.12em;
  }

  /* ================= 桌面原生页面滚动 =================
     去掉"内嵌应用"的内部滚动容器：整页由浏览器原生滚动，
     品牌条+导航 sticky 吸顶，页脚回到文档流末尾——这是"网页感"的关键。 */
  /* 07-mobile-audit 与 08-editorial-final(!important) 给 .site/.phone-shell/.app-shell 设的
     overflow-x:hidden 会把它们变成 sticky 的"滚动容器"，导致吸顶失效。
     改用 overflow-x:clip（同样防横向溢出但不建滚动容器）；须带 !important 反制 08。 */
  /* 06 给 html,body 设的 overflow-x:hidden 会把 body 变成滚动容器（单轴 hidden 令另一轴 computed 为 auto），
     sticky 会相对 body 的内部滚动口而永不吸附——body 改 clip 即可；html 保持原样（它就是页面滚动器）。 */
  body {
    overflow: visible !important;
    overflow-x: clip !important;
  }

  .site,
  .phone-shell {
    overflow: visible !important;
    overflow-x: clip !important;
  }

  #app.app-shell {
    height: auto;
    min-height: calc(100vh - 44px);
    overflow: visible !important;
    overflow-x: clip !important;
  }

  #app.app-shell .ss-scroll {
    overflow: visible;
  }

  #app.app-shell .ss-header {
    position: sticky;
    top: 0;
    z-index: 40;
  }

  #app.app-shell .ss-tabbar {
    position: sticky;
    top: 64px;
    z-index: 39;
  }

  /* 原生滚动下页面滚动条由浏览器接管；细雅滚动条挪到全局 */
  body::-webkit-scrollbar { width: 10px; }
  body::-webkit-scrollbar-thumb { border-radius: 10px; background: rgba(120, 120, 118, 0.4); }
  body::-webkit-scrollbar-track { background: transparent; }

  /* ================= 门户首页（桌面专属视图） ================= */
  .ss-tab-label-m { display: none; }
  .ss-tab-label-d { display: inline; }

  #app[data-page="scenes"] .ss-scroll > .ss-portal {
    max-width: 1080px;
  }

  /* 头条区 */
  .ss-portal-headline {
    display: block;
    width: 100%;
    padding: 44px 8px 34px;
    text-align: center;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--line);
  }

  .ss-portal-headline-link { cursor: pointer; }

  .ss-portal-headline-title {
    font-family: var(--serif);
    color: var(--ink);
    font-size: 42px;
    font-weight: 900;
    line-height: 1.45;
    letter-spacing: 0.02em;
    margin: 18px auto 0;
    max-width: 860px;
    transition: color 0.18s ease;
  }

  .ss-portal-headline-link:hover .ss-portal-headline-title {
    color: var(--copper);
  }

  .ss-portal-headline-sub {
    color: var(--ink2);
    font-size: 15px;
    line-height: 1.8;
    margin: 14px auto 0;
    max-width: 640px;
  }

  .ss-portal-headline-meta {
    margin-top: 16px;
    color: var(--copper);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
  }

  /* 主体两栏 */
  .ss-portal-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 36px;
    margin-top: 30px;
    align-items: start;
  }

  .ss-portal-section { margin-bottom: 34px; }

  .ss-portal-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 4px;
  }

  .ss-portal-section-title {
    color: var(--ink);
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.03em;
  }

  .ss-portal-more {
    background: transparent;
    border: 0;
    color: var(--ink3);
    font-size: 12.5px;
    transition: color 0.15s ease;
  }

  .ss-portal-more:hover { color: var(--copper); }

  /* 情报行（朋友圈精选） */
  .ss-portal-moment {
    display: flex;
    gap: 13px;
    width: 100%;
    text-align: left;
    padding: 15px 6px;
    background: transparent;
    border: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
    transition: background 0.15s ease;
  }

  .ss-portal-moment:hover { background: color-mix(in srgb, var(--panel2) 60%, transparent); }

  .ss-portal-avatar {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    flex: 0 0 auto;
    border: 1px solid var(--line);
  }

  .ss-portal-avatar-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--panel2);
    color: var(--ink2);
    font-size: 16px;
    font-weight: 800;
  }

  .ss-portal-moment-body { min-width: 0; flex: 1; }

  .ss-portal-moment-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
  }

  .ss-portal-moment-name {
    color: var(--ink);
    font-size: 14px;
    font-weight: 800;
  }

  .ss-portal-moment-time {
    color: var(--ink3);
    font-size: 11.5px;
    font-family: var(--mono);
    white-space: nowrap;
  }

  .ss-portal-moment-text {
    color: var(--ink2);
    font-size: 14px;
    line-height: 1.7;
    margin-top: 5px;
  }

  /* 专栏卡列 */
  .ss-portal-prem-list { display: grid; gap: 2px; }

  .ss-portal-prem {
    width: 100%;
    text-align: left;
    padding: 16px 6px;
    background: transparent;
    border: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
    transition: background 0.15s ease;
  }

  .ss-portal-prem:hover { background: color-mix(in srgb, var(--panel2) 60%, transparent); }

  .ss-portal-prem-title {
    color: var(--ink);
    font-size: 16.5px;
    font-weight: 800;
    line-height: 1.55;
    transition: color 0.15s ease;
  }

  .ss-portal-prem:hover .ss-portal-prem-title { color: var(--copper); }

  .ss-portal-prem-sub {
    color: var(--ink2);
    font-size: 13px;
    line-height: 1.7;
    margin-top: 5px;
  }

  .ss-portal-prem-meta {
    color: var(--ink3);
    font-size: 11.5px;
    font-family: var(--mono);
    margin-top: 8px;
  }

  .ss-portal-empty {
    color: var(--ink3);
    font-size: 13px;
    padding: 22px 6px;
  }

  /* 侧边栏：吸附在 sticky 品牌条(64)+导航(60) 之下 */
  .ss-portal-side {
    display: grid;
    gap: 14px;
    position: sticky;
    top: 140px;
  }

  .ss-portal-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
    padding: 18px;
  }

  .ss-portal-member { border-color: color-mix(in srgb, var(--copper) 45%, var(--line)); }

  .ss-portal-card-title {
    color: var(--ink);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.02em;
  }

  .ss-portal-card-sub {
    color: var(--ink2);
    font-size: 12.5px;
    line-height: 1.65;
    margin-top: 7px;
  }

  .ss-portal-tiers { margin-top: 12px; display: grid; gap: 8px; }

  .ss-portal-tier {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    color: var(--ink2);
    font-size: 13px;
  }

  .ss-portal-tier b {
    color: var(--ink);
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 800;
  }

  .ss-portal-tier b i {
    font-style: normal;
    color: var(--ink3);
    font-size: 11px;
    font-weight: 400;
  }

  .ss-portal-seats {
    margin-top: 10px;
    color: var(--copper);
    font-size: 12px;
    font-weight: 700;
  }

  .ss-portal-member-cta {
    width: 100%;
    height: 42px;
    border-radius: 11px;
    font-size: 13px;
    margin-top: 14px;
  }

  .ss-portal-topics { margin-top: 10px; display: grid; }

  .ss-portal-topic {
    display: flex;
    align-items: baseline;
    gap: 10px;
    width: 100%;
    text-align: left;
    padding: 8px 2px;
    background: transparent;
    border: 0;
    color: var(--ink2);
    font-size: 13px;
    line-height: 1.5;
    transition: color 0.15s ease;
  }

  .ss-portal-topic:hover { color: var(--copper); }

  .ss-portal-topic i {
    font-style: normal;
    font-family: var(--mono);
    color: var(--ink3);
    font-size: 12px;
    flex: 0 0 auto;
  }

  .ss-portal-tool-cta {
    margin-top: 12px;
    padding: 9px 16px;
    border: 1px solid var(--line2);
    border-radius: 10px;
    background: var(--panel2);
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
    transition: border-color 0.15s ease, color 0.15s ease;
  }

  .ss-portal-tool-cta:hover {
    border-color: var(--copper);
    color: var(--copper);
  }

  .ss-portal-video {
    background: transparent;
    border: 0;
    color: var(--ink3);
    font-size: 12.5px;
    text-align: center;
    padding: 4px;
    transition: color 0.15s ease;
  }

  .ss-portal-video:hover { color: var(--ink); }
}