/* ============ 基础重置 ============ */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
  body {
    font-family: var(--font-sans);
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
  }
  a { color: inherit; text-decoration: none; }
  ::selection { background: var(--accent-soft-hover); }

  /* ============ 强调色变量（继承 tokens.css，此处仅补别名） ============ */
  :root {
    --accent-start: var(--accent);
    --accent-end: var(--accent-cyan);
  }

  /* ============ 背景光晕 ============ */
  .bg-aurora {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
    background: var(--bg-base);
  }
  .bg-aurora::before,
  .bg-aurora::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
  }
  .bg-aurora::before {
    width: 60vw; height: 60vw;
    top: -20vw; left: -10vw;
    background: radial-gradient(circle, rgba(22, 119, 255, 0.45), transparent 60%);
  }
  .bg-aurora::after {
    width: 55vw; height: 55vw;
    top: 10vh; right: -15vw;
    background: radial-gradient(circle, rgba(47, 203, 255, 0.38), transparent 60%);
  }
  .bg-aurora .blob3 {
    position: absolute;
    width: 50vw; height: 50vw;
    bottom: -15vw; left: 30vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(22, 119, 255, 0.22), transparent 60%);
    filter: blur(130px);
    opacity: 0.5;
  }

  /* ============ 导航栏 ============ */
  .nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 102;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    background: rgba(255, 255, 255, 0.5);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
    transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
  }
  .nav.scrolled {
    background: rgba(255, 255, 255, 0.82);
    border-bottom-color: var(--border-soft);
  }
  .nav-inner {
    width: 100%;
    max-width: 1120px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .logo {
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 1px;
    width: 96px;
    height: 32px;
    overflow: hidden;
    flex: 0 0 auto;
  }
  .logo .plus {
    background: var(--accent-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    flex: 1;
    justify-content: center;
  }
  .nav-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.2s ease;
  }
  .nav-links a.active { color: var(--text-primary); font-weight: 600; }
  .nav-links a:hover { color: var(--text-primary); }
  .nav-actions .docs-link.active { color: var(--text-primary); font-weight: 600; }
  .nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
  }
  .nav-actions .docs-link {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.2s ease;
  }
  .nav-actions .docs-link:hover { color: var(--text-primary); }
  .nav-actions .dash-user { font-size: 13px; color: var(--text-tertiary); }
  .logo-img {
    display: block;
    width: 96px;
    height: 32px;
    object-fit: contain;
    object-position: left center;
  }
  .nav-actions .logout-btn {
    cursor: pointer; font-family: inherit; border: 1px solid var(--border-soft);
    background: rgba(255,255,255,0.7); color: var(--text-secondary);
    font-size: 13px; font-weight: 500; padding: 8px 14px; border-radius: 9px;
    transition: border-color .2s, color .2s;
  }
  .nav-actions .logout-btn:hover { border-color: var(--danger); color: var(--danger); }
  /* 汉堡菜单 */
  .nav-hamburger { display: none; width: 32px; height: 32px; position: relative; cursor: pointer; background: none; border: none; padding: 0; z-index: 102; }
  .nav-hamburger span {
    display: block; position: absolute; width: 20px; height: 2px; background: var(--text-primary);
    left: 6px; border-radius: 2px; transition: transform .3s ease, opacity .2s ease, top .3s ease;
  }
  .nav-hamburger span:nth-child(1) { top: 9px; }
  .nav-hamburger span:nth-child(2) { top: 15px; }
  .nav-hamburger span:nth-child(3) { top: 21px; }
  .nav-hamburger.open span:nth-child(1) { top: 15px; transform: rotate(45deg); }
  .nav-hamburger.open span:nth-child(2) { opacity: 0; }
  .nav-hamburger.open span:nth-child(3) { top: 15px; transform: rotate(-45deg); }

  /* 移动端菜单 */
  .nav-mobile {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.94);
    -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
    z-index: 101; padding: 80px 32px 40px;
    flex-direction: column; align-items: center; justify-content: center; gap: 28px;
    opacity: 0; transition: opacity .3s ease;
  }
  .nav-mobile.active { display: flex; opacity: 1; }
  .nav-mobile a {
    font-size: 18px; font-weight: 500; color: var(--text-primary);
    text-decoration: none; transition: color .2s;
  }
  .nav-mobile a.accent-link { color: var(--accent-ink); }
  .release-badge {
    display: inline-block;
    margin-bottom: 14px;
    padding: 5px 14px;
    border-radius: 980px;
    background: rgba(52,199,89,0.10);
    color: var(--success);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .btn-release {
    background: var(--accent-grad);
    box-shadow: var(--shadow-accent);
  }
  .download-menu {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
  }
  .download-menu .btn-release { display: inline-flex; align-items: center; justify-content: center; }
  .download-menu .btn-release::after {
    content: "";
    width: 0;
    height: 0;
    margin-left: 8px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid rgba(255,255,255,.88);
  }
  .link-accent { color: var(--accent-ink); text-decoration: underline; }
  .page-hero-compact { padding: 120px 24px 40px; text-align: center; }
  .page-hero-compact .section-head { margin-bottom: 0; }
  .guide-title { font-size: clamp(26px,4vw,38px); }
  .inline-center { display: inline-flex; align-items: center; }
  .center-actions { text-align: center; margin-top: 32px; }
  .is-hidden { display: none !important; }
  .download-links {
    position: absolute;
    top: auto;
    bottom: calc(100% + 10px);
    left: 50%;
    z-index: 120;
    display: flex;
    width: max-content;
    min-width: 190px;
    flex-direction: column;
    gap: 8px;
    padding: 10px;
    border-radius: 18px;
    border: 1px solid var(--border-soft);
    background: var(--glass-bg-strong);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    box-shadow: 0 18px 46px rgba(0,0,0,.1);
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(6px);
    transition: opacity .2s ease, transform .2s ease;
  }
  .download-menu:hover .download-links,
  .download-menu:focus-within .download-links { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
  .download-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    background: var(--glass-bg);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    width: 100%;
    transition: transform .2s ease, background .2s ease, color .2s ease;
  }
  .download-link:hover { transform: translateY(-1px); background: var(--glass-bg-strong); color: var(--text-primary); }
  .download-link.is-primary { background: var(--accent-grad); color:var(--text-inverse); border-color: transparent; }
  .download-link.is-primary:hover { color: var(--text-inverse); box-shadow: var(--shadow-accent); }
  .btn-download {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-inverse);
    padding: 7px 16px;
    border-radius: 980px;
    background: var(--accent-grad);
    box-shadow: 0 4px 14px rgba(22, 119, 255, 0.28);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .btn-download:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(22, 119, 255, 0.4);
  }

  /* ============ 通用容器 ============ */
  .container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .page-wrap,
  .dash-wrap,
  .admin-wrap,
  .resource-wrap,
  .auth-wrap,
  .guide,
  .features,
  .architecture,
  .intro,
  .cloud-cta,
  .providers,
  .faq,
  .quiet-band,
  .editorial-section {
    width: 100%;
    box-sizing: border-box;
  }
  section { position: relative; }

  /* ============ Hero ============ */
  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
  }
  .hero-inner { max-width: 880px; }
  .hero-tags {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 28px;
  }
  .pill {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 980px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    letter-spacing: 0.02em;
  }
  .pill.version {
    color: var(--text-tertiary);
    font-family: "SF Mono", ui-monospace, "JetBrains Mono", monospace;
  }
  .hero h1 {
    font-size: clamp(40px, 7vw, 76px);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.05;
    margin-bottom: 24px;
  }
  .hero h1 .accent {
    background: var(--accent-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .hero p.lead {
    font-size: clamp(17px, 2vw, 21px);
    color: var(--text-secondary);
    line-height: 1.55;
    max-width: 720px;
    margin: 0 auto 36px;
    font-weight: 400;
  }
  .hero-cta {
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
  }
  .btn-primary {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-inverse);
    padding: 12px 26px;
    border-radius: 980px;
    background: var(--accent-grad);
    box-shadow: 0 6px 20px rgba(22, 119, 255, 0.3);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(22, 119, 255, 0.42);
  }
  .btn-ghost {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    padding: 12px 26px;
    border-radius: 980px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: background 0.25s ease, transform 0.25s ease;
  }
  .btn-ghost:hover {
    background: var(--glass-bg-strong);
    transform: translateY(-2px);
  }

  .page-wrap, .dash-wrap, .admin-wrap, .resource-wrap {
    width: min(100% - 48px, 1180px);
    margin: 0 auto;
    padding: 104px 0 72px;
  }
  .page-wrap.wide, .dash-wrap.wide { width: min(100% - 48px, 1280px); }
  .page-header, .dash-top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
  }
  .page-header.stack, .dash-top.stack { align-items: flex-start; flex-direction: column; }
  .page-eyebrow, .dash-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-ink);
    margin-bottom: 8px;
  }
  .page-title, .dash-top h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.12;
    color: var(--text-primary);
  }
  .page-desc, .dash-sub {
    max-width: 680px;
    margin-top: 12px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-secondary);
  }
  .card, .glass-card, .panel, .note-card {
    border-radius: 22px;
    background: var(--glass-bg-strong);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.05);
  }
  .card, .glass-card, .panel { padding: 28px; }
  .card, .glass-card, .panel, .note-card, .feature, .step, .faq-item, .cloud-card, .provider-block, .quiet-card, .module-row, .admin-head, .admin-panel-card, .cfg-card, .overview-card, .library-card, .upload-card, .resource-item, .voice-row, .auth-card {
    border-radius: 20px;
  }
  .card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .section-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
  }
  .section-row h2, .section-row h3, .card-title {
    font-size: 18px;
    font-weight: 650;
    letter-spacing: -0.01em;
    color: var(--text-primary);
  }
  .muted, .empty, .loading {
    color: var(--text-tertiary);
    font-size: 13px;
  }
  .empty, .loading { text-align: center; padding: 42px 18px; }
  .form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .form-field { display: flex; flex-direction: column; gap: 7px; }
  .form-field label, .field-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
  }
  input, select, textarea, .form-control {
    font: inherit;
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: rgba(255,255,255,0.78);
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  }
  input:not([type="checkbox"]):not([type="radio"]):not([type="file"]), select, textarea, .form-control {
    min-height: 42px;
    padding: 10px 13px;
  }
  input:focus, select:focus, textarea:focus, .form-control:focus {
    border-color: rgba(22, 119, 255, 0.45);
    box-shadow: 0 0 0 4px rgba(22, 119, 255, 0.1);
    background: rgba(255,255,255,0.94);
  }
  textarea { resize: vertical; }
  button, .btn-primary, .btn-ghost, .btn-download, .btn-sm {
    font-family: inherit;
    cursor: pointer;
    border: 0;
  }
  .btn-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 34px;
    padding: 7px 13px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
  }
  .btn-purple { color: var(--text-inverse); background: var(--accent-grad); box-shadow: var(--shadow-accent); }
  .btn-red, .btn-danger { color: var(--danger); border: 1px solid var(--danger-soft); background: var(--danger-soft); }
  .btn-sm:hover { transform: translateY(-1px); }
  .inline-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; }
  .table-wrap {
    width: 100%;
    overflow-x: auto;
    border-radius: 18px;
    border: 1px solid var(--border-soft);
    background: rgba(255,255,255,.58);
  }
  table { width: 100%; border-collapse: collapse; min-width: 720px; }
  th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border-soft); font-size: 13px; }
  th { color: var(--text-tertiary); font-weight: 650; background: rgba(255,255,255,.52); }
  td { color: var(--text-secondary); }
  tbody tr:hover { background: rgba(22,119,255,.035); }
  tr:last-child td { border-bottom: 0; }
  code, pre { font-family: "SF Mono", ui-monospace, "JetBrains Mono", monospace; }
  .status-pill, .tag, .admin-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    border: 1px solid var(--border-soft);
    background: rgba(255,255,255,.66);
    color: var(--text-tertiary);
  }
  .tag-on, .status-success { color: var(--success); border-color: var(--success-soft); background: var(--success-soft); }
  .tag-off, .status-danger { color: var(--danger); border-color: var(--danger-soft); background: var(--danger-soft); }
  .status-warn { color: var(--warning); border-color: var(--warning-soft); background: var(--warning-soft); }
  .toast {
    position: fixed;
    left: 50%;
    bottom: 30px;
    z-index: 300;
    transform: translateX(-50%) translateY(8px);
    max-width: min(420px, calc(100vw - 32px));
    padding: 11px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,.94);
    color: var(--text-secondary);
    font-size: 13px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    border: 1px solid var(--line);
    box-shadow: 0 12px 30px var(--line);
    transition: opacity .25s ease, transform .25s ease;
  }
  .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

  .section-shell {
    width: min(100% - 48px, 1120px);
    margin: 0 auto;
  }

  /* ============ 引言区 ============ */
  .intro {
    padding: 100px 24px;
    text-align: center;
  }
  .intro blockquote {
    max-width: 820px;
    margin: 0 auto;
    font-size: clamp(24px, 3.4vw, 38px);
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: var(--text-primary);
  }
  .intro .attribution {
    margin-top: 24px;
    font-size: 15px;
    color: var(--text-tertiary);
    letter-spacing: 0.01em;
  }
  .intro .attribution::before {
    content: "— ";
    color: var(--text-tertiary);
  }
  .divider-line {
    width: 48px;
    height: 2px;
    background: var(--accent-grad);
    border-radius: 2px;
    margin: 64px auto 0;
    opacity: 0.6;
  }

  /* ============ 区块标题 ============ */
  .section-head {
    text-align: center;
    margin-bottom: 64px;
  }
  .section-eyebrow {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: var(--accent-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 14px;
  }
  .section-title {
    font-size: clamp(30px, 4.5vw, 50px);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.1;
    color: var(--text-primary);
  }
  .section-sub {
    margin-top: 16px;
    font-size: 17px;
    color: var(--text-tertiary);
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
  }

  /* ============ 功能展示区 ============ */
  .features { padding: 80px 24px 120px; }
  .feature-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
    max-width: 1040px;
    margin: 0 auto;
  }
  .feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 44px 48px;
    border-radius: 28px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  }
  .feature:hover {
    transform: translateY(-3px);
    border-color: rgba(22, 119, 255, 0.22);
    box-shadow: 0 20px 50px rgba(22, 119, 255, 0.08);
  }
  /* 非对称错落 */
  .feature:nth-child(odd) .feature-text { order: 1; }
  .feature:nth-child(odd) .feature-visual { order: 2; }
  .feature:nth-child(even) .feature-text { order: 2; }
  .feature:nth-child(even) .feature-visual { order: 1; }

  .feature-icon {
    width: 48px; height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-grad);
    color: var(--text-inverse);
    margin-bottom: 22px;
    box-shadow: 0 8px 20px rgba(22, 119, 255, 0.25);
  }
  .feature-icon svg { width: 24px; height: 24px; }
  .feature h3 {
    font-size: 26px;
    font-weight: 600;
    letter-spacing: -0.015em;
    margin-bottom: 14px;
    color: var(--text-primary);
  }
  .feature p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
  }
  .feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .tag {
    font-size: 12px;
    font-family: "SF Mono", ui-monospace, "JetBrains Mono", monospace;
    color: var(--text-tertiary);
    padding: 5px 11px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.035);
    border: 1px solid var(--border-soft);
    letter-spacing: 0.01em;
  }
  .tag-label {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-right: 6px;
    align-self: center;
    font-weight: 500;
  }
  .feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    position: relative;
  }
  .visual-card {
    width: 100%;
    border-radius: 22px;
    background: linear-gradient(160deg, rgba(255,255,255,0.85), rgba(245,245,247,0.6));
    border: 1px solid var(--border-soft);
    padding: 28px;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
  }
  .visual-card::after {
    content: "";
    position: absolute;
    top: -40%; right: -40%;
    width: 80%; height: 80%;
    background: var(--accent-grad);
    filter: blur(60px);
    opacity: 0.12;
    border-radius: 50%;
  }
  .vc-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    font-family: "SF Mono", ui-monospace, "JetBrains Mono", monospace;
    position: relative;
    z-index: 1;
  }
  .vc-row:last-child { margin-bottom: 0; }
  .vc-key {
    color: var(--text-tertiary);
    min-width: 70px;
  }
  .vc-val {
    color: var(--text-primary);
    font-weight: 500;
  }
  .vc-bar {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: rgba(0,0,0,0.06);
    overflow: hidden;
  }
  .vc-bar > span {
    display: block;
    height: 100%;
    border-radius: 3px;
    background: var(--accent-grad);
  }
  .vc-bar .w-50 { width: 50%; }
  .vc-bar .w-62 { width: 62%; }
  .vc-bar .w-78 { width: 78%; }
  .vc-bar .w-80 { width: 80%; }
  .vc-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 3px rgba(52, 199, 89, 0.18);
  }

  /* ============ 配置演示区 ============ */
  .config { padding: 100px 24px; }
  .config-card {
    max-width: 880px;
    margin: 0 auto;
    border-radius: 24px;
    background: var(--glass-bg-strong);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.08);
    overflow: hidden;
  }
  .config-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.4);
  }
  .config-dots { display: flex; gap: 8px; }
  .config-dots span {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: rgba(0,0,0,0.12);
  }
  .config-dots span:nth-child(1) { background: #FF5F57; }
  .config-dots span:nth-child(2) { background: #FEBC2E; }
  .config-dots span:nth-child(3) { background: #28C840; }
  .config-file {
    font-size: 13px;
    color: var(--text-tertiary);
    font-family: "SF Mono", ui-monospace, "JetBrains Mono", monospace;
    margin-left: 8px;
  }
  pre.code {
    margin: 0;
    padding: 28px 32px;
    overflow-x: auto;
    font-family: "SF Mono", ui-monospace, "JetBrains Mono", "Cascadia Code", monospace;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.35);
  }
  .code .c-comment { color: var(--text-tertiary); font-style: italic; }
  .code .c-section { color: var(--accent-ink); font-weight: 600; }
  .code .c-key { color: var(--text-primary); }
  .code .c-string { color: var(--success); }
  .code .c-bool { color: var(--danger); }
  .code .c-num { color: var(--warning); }

  /* ============ 快速开始 ============ */
  .quickstart { padding: 100px 24px 60px; }
  .steps {
    max-width: 1040px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .step {
    padding: 36px 32px;
    border-radius: 24px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
  }
  .step:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.06);
  }
  .step-num {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    background: var(--accent-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 14px;
  }
  .step h4 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.015em;
    margin-bottom: 12px;
    color: var(--text-primary);
  }
  .step p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
  }
  .step code {
    font-family: "SF Mono", ui-monospace, "JetBrains Mono", monospace;
    font-size: 13px;
    color: var(--accent-ink);
    background: rgba(22,119,255,0.08);
    padding: 2px 6px;
    border-radius: 6px;
  }
  .verify-block {
    max-width: 1040px;
    margin: 32px auto 0;
    padding: 28px 32px;
    border-radius: 20px;
    background: var(--glass-bg-strong);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    text-align: left;
  }
  .verify-block .vb-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .verify-block pre {
    font-family: "SF Mono", ui-monospace, "JetBrains Mono", monospace;
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-secondary);
    white-space: pre-wrap;
  }
  .verify-block pre .ok { color: var(--success); }

  /* ============ 架构总览 ============ */
  .architecture { padding: 80px 24px; }
  .arch-grid {
    max-width: 1040px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 28px;
  }
  .arch-diagram {
    padding: 32px;
    border-radius: 24px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    overflow: hidden;
  }
  .arch-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .arch-tier { width: 100%; display: flex; flex-direction: column; align-items: center; gap: 12px; }
  .arch-tier-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-tertiary);
  }
  .arch-tier-box {
    width: 100%;
    border: 1.5px dashed rgba(22, 119, 255, 0.35);
    border-radius: 18px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.4);
  }
  .arch-row {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 10px;
  }
  .arch-node {
    flex: 1;
    min-width: 0;
    text-align: center;
    padding: 14px 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
  }
  .arch-node .n-title { font-size: 13.5px; font-weight: 600; color: var(--text-primary); }
  .arch-node .n-sub { font-size: 11px; color: var(--text-tertiary); font-family: "SF Mono", ui-monospace, monospace; }
  .arch-node.is-core {
    background: var(--accent-grad);
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(22, 119, 255, 0.25);
  }
  .arch-node.is-core .n-title { color: var(--text-inverse); }
  .arch-node.is-core .n-sub { color: rgba(255, 255, 255, 0.88); }
  .arch-node.is-server {
    background: rgba(22, 119, 255, 0.08);
    border-color: rgba(22, 119, 255, 0.28);
    min-width: 220px;
    padding: 16px 28px;
  }
  .arch-connector {
    width: 2px;
    height: 26px;
    background: var(--accent-grad);
    position: relative;
    flex-shrink: 0;
  }
  .arch-connector::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0; height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid var(--accent);
  }
  .arch-branch {
    width: 75%;
    height: 30px;
    position: relative;
  }
  .arch-branch::before {
    content: "";
    position: absolute;
    top: 0; left: 50%;
    width: 2px; height: 14px;
    background: var(--accent-grad);
    transform: translateX(-50%);
  }
  .arch-branch::after {
    content: "";
    position: absolute;
    top: 14px;
    left: 16.66%; right: 16.66%;
    height: 2px;
    background: var(--accent-grad);
  }
  .arch-api-grid {
    width: 75%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .arch-api-cell { display: flex; flex-direction: column; align-items: center; gap: 0; }
  .arch-api-cell .leg { width: 2px; height: 16px; background: var(--accent-grad); flex-shrink: 0; }
  .arch-modules {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .module-row {
    padding: 18px 22px;
    border-radius: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    transition: border-color 0.3s ease, transform 0.3s ease;
  }
  .module-row:hover {
    border-color: rgba(22,119,255,0.25);
    transform: translateX(2px);
  }
  .module-row .m-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
  }
  .module-row .m-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
  }
  .module-row .m-path {
    font-size: 12px;
    font-family: "SF Mono", ui-monospace, monospace;
    color: var(--text-tertiary);
  }
  .module-row .m-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
  }
  .flow-chain {
    max-width: 1040px;
    margin: 32px auto 0;
    padding: 28px 32px;
    border-radius: 20px;
    background: var(--glass-bg-strong);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
  }
  .flow-chain .fc-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 18px;
  }
  .flow-chain ol {
    list-style: none;
    counter-reset: flow;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 32px;
  }
  .flow-chain li {
    counter-increment: flow;
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: 30px;
    position: relative;
  }
  .flow-chain li::before {
    content: counter(flow);
    position: absolute;
    left: 0; top: 0;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--accent-grad);
    color: var(--text-inverse);
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* ============ 使用教程 ============ */
  .guide { padding: 80px 24px; }
  .guide-grid {
    max-width: 1040px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .guide-card {
    padding: 30px 32px;
    border-radius: 22px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
  }
  .guide-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(22,119,255,0.07);
  }
  .guide-card .gc-eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 8px;
  }
  .guide-card h4 {
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
    color: var(--text-primary);
  }
  .guide-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 16px;
  }
  .guide-card .gc-code {
    font-family: "SF Mono", ui-monospace, "JetBrains Mono", monospace;
    font-size: 12.5px;
    line-height: 1.65;
    color: var(--text-secondary);
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 16px 18px;
    overflow-x: auto;
    white-space: pre;
  }
  .guide-card .gc-code .c-comment { color: var(--text-tertiary); font-style: italic; }
  .guide-card .gc-code .c-section { color: var(--accent-ink); font-weight: 600; }
  .guide-card .gc-code .c-key { color: var(--text-primary); }
  .guide-card .gc-code .c-string { color: var(--success); }
  .guide-card .gc-code .c-bool { color: var(--danger); }

  /* ============ 联机说明 ============ */
  .multiplayer { padding: 80px 24px; }
  .mp-card {
    max-width: 880px;
    margin: 0 auto;
    padding: 40px 44px;
    border-radius: 24px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
  }
  .mp-rules {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 8px;
  }
  .mp-rule {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 16px 18px;
    border-radius: 14px;
    background: rgba(255,255,255,0.45);
    border: 1px solid var(--border-soft);
  }
  .mp-rule .r-dot {
    flex-shrink: 0;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: var(--accent-grad);
    color: var(--text-inverse);
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .mp-rule .r-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
  }
  .mp-rule .r-text strong { color: var(--text-primary); font-weight: 600; }

  /* ============ FAQ ============ */
  .faq { padding: 80px 24px 120px; }
  .faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  details.faq-item {
    padding: 22px 26px;
    border-radius: 18px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    transition: border-color 0.3s ease, background 0.3s ease;
  }
  details.faq-item[open] {
    background: var(--glass-bg-strong);
    border-color: rgba(22,119,255,0.2);
  }
  details.faq-item summary {
    list-style: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    letter-spacing: -0.005em;
  }
  details.faq-item summary::-webkit-details-marker { display: none; }
  details.faq-item summary::after {
    content: "";
  }
  details.faq-item[open] summary::after {
    content: "";
  }
  details.faq-item .faq-a {
    margin-top: 14px;
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.65;
  }
  details.faq-item .faq-a code {
    font-family: "SF Mono", ui-monospace, monospace;
    font-size: 13px;
    color: var(--accent-ink);
    background: rgba(22,119,255,0.08);
    padding: 1px 6px;
    border-radius: 5px;
  }

  /* ============ 服务商支持区 ============ */
  .providers { padding: 100px 24px; text-align: center; }
  .provider-cloud {
    max-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
  .provider-chip {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 11px 20px;
    border-radius: 980px;
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition: transform 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  }
  .provider-chip:hover {
    transform: translateY(-2px);
    border-color: rgba(22, 119, 255, 0.3);
    color: var(--text-primary);
  }

  /* ============ 页脚 ============ */
  footer {
    padding: 80px 24px 48px;
    text-align: center;
    border-top: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.4);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
  }
  .footer-links {
    display: flex;
    justify-content: center;
    gap: 36px;
    margin-bottom: 28px;
  }
  .footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
  }
  .footer-links a:hover { color: var(--text-primary); }
  .footer-links svg { width: 16px; height: 16px; }
  .footer-copy {
    font-size: 13px;
    color: var(--text-tertiary);
    letter-spacing: 0.01em;
  }
  .footer-copy .dot { margin: 0 8px; opacity: 0.5; }

  /* ============ Cookie 提示栏 ============ */
  .cookie-bar {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 9998;
    padding: 12px 24px; display: none; align-items: center; justify-content: center;
    gap: 16px; flex-wrap: wrap; font-size: 13px;
    background: rgba(255,255,255,0.92);
    -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
    border-top: 1px solid var(--border-soft);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
  }
  .cookie-bar.show { display: flex; }
  .cookie-bar p { color: var(--text-secondary); max-width: 520px; }
  .cookie-bar a { color: var(--accent-ink); text-decoration: underline; }
  .cookie-bar a:hover { color: var(--accent-deep); }
  .cookie-btn {
    cursor: pointer; font-family: inherit; border: none;
    padding: 8px 18px; border-radius: 980px; font-size: 13px; font-weight: 500;
    background: var(--accent-grad); color: var(--text-inverse);
    transition: transform .2s, box-shadow .2s; white-space: nowrap;
  }
  .cookie-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(22,119,255,0.25); }
  @media (max-width: 480px) {
    .cookie-bar { padding: 10px 16px; flex-direction: column; text-align: center; gap: 10px; }
    .cookie-bar p { font-size: 12px; }
  }

  /* ============ 响应式 ============ */
  @media (max-width: 860px) {
    .nav-links { display: none; }
    .nav-hamburger { display: block; min-width:44px; min-height:44px; }
    .nav-mobile a { display:flex; align-items:center; justify-content:center; min-height:44px; }
    .page-wrap, .dash-wrap, .admin-wrap, .resource-wrap, .page-wrap.wide, .dash-wrap.wide { width: min(100% - 32px, 100%); padding: 88px 0 56px; }
    .page-header, .dash-top { align-items: flex-start; flex-direction: column; gap: 14px; }
    .card-grid, .card-grid.three, .form-grid { grid-template-columns: 1fr; }
    .card, .glass-card, .panel { padding: 22px; border-radius: 18px; }
    .inline-form { align-items: stretch; }
    .inline-form input:not([type="checkbox"]):not([type="radio"]), .inline-form select, .inline-form button { width: 100%; }
    .table-wrap table, .record-table-wrap table { min-width: 620px; }
    .feature {
      grid-template-columns: 1fr;
      gap: 28px;
      padding: 32px 28px;
    }
    .feature:nth-child(odd) .feature-text,
    .feature:nth-child(odd) .feature-visual,
    .feature:nth-child(even) .feature-text,
    .feature:nth-child(even) .feature-visual { order: unset; }
    .hero { padding: 120px 24px 80px; }
    .hero h1 { font-size: clamp(32px, 10vw, 56px); }
    pre.code { padding: 22px 20px; font-size: 12.5px; }
    .steps { grid-template-columns: 1fr; }
    .arch-grid { grid-template-columns: 1fr; }
    .arch-row { flex-direction: column; }
    .arch-branch { width: 90%; }
    .arch-api-grid { width: 90%; }
    .flow-chain ol { grid-template-columns: 1fr; }
    .guide-grid { grid-template-columns: 1fr; }
    .mp-rules { grid-template-columns: 1fr; }
    .section-title { font-size: clamp(26px, 7vw, 40px); }
    .section-sub { font-size: 15px; padding: 0 8px; }
    .cloud-card { padding: 36px 24px; }
    .cloud-desc { font-size: 14px; }
    .nav-inner { gap: 12px; }
  }

  @media (max-width: 640px) {
    .hero { padding: 100px 20px 60px; min-height: auto; }
    .hero p.lead { font-size: 16px; padding: 0 8px; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-cta .btn-primary, .hero-cta .btn-ghost { width: 80%; text-align: center; }
    .feature { padding: 24px 20px; border-radius: 20px; }
    .feature h3 { font-size: 22px; }
    .feature p { font-size: 14px; }
    .feature-visual { min-height: 160px; }
    .visual-card { padding: 20px; }
    .vc-row { font-size: 12px; }
    .quickstart { padding: 60px 24px 40px; }
    .step { padding: 28px 24px; }
    .step h4 { font-size: 18px; }
    .providers { padding: 60px 24px; }
    .provider-cloud { gap: 8px; }
    .provider-chip { font-size: 13px; padding: 9px 16px; }
    .faq { padding: 60px 24px 80px; }
    details.faq-item { padding: 18px 20px; }
    details.faq-item summary { font-size: 15px; }
    details.faq-item .faq-a { font-size: 13.5px; }
    .nav { padding: 0 16px; }
    .container { padding: 0 16px; }
    .footer-links { gap: 20px; font-size: 13px; }
    .table-wrap table, .record-table-wrap table { min-width: 560px; }
  }

  @media (max-width: 480px) {
    .page-wrap, .dash-wrap, .admin-wrap, .resource-wrap, .page-wrap.wide, .dash-wrap.wide { width: min(100% - 24px, 100%); padding: 76px 0 44px; }
    .page-title, .dash-top h1 { font-size: clamp(25px, 8vw, 34px); }
    .page-desc, .dash-sub { font-size: 14px; }
    .card, .glass-card, .panel { padding: 18px; }
    .toast { bottom: 18px; border-radius: 18px; }
    .hero { padding: 90px 16px 50px; }
    .hero h1 { font-size: clamp(28px, 11vw, 40px); }
    .hero p.lead { font-size: 15px; }
    .hero-cta .btn-primary, .hero-cta .btn-ghost { width: 100%; padding: 12px 20px; font-size: 14px; }
    .hero-version { font-size: 11px; }
    .feature { padding: 20px 16px; gap: 20px; }
    .feature h3 { font-size: 20px; }
    .feature-icon { width: 38px; height: 38px; border-radius: 11px; margin-bottom: 14px; }
    .feature-tags { gap: 5px; }
    .feature-tags .tag { font-size: 11px; padding: 4px 8px; }
    .visual-card { padding: 16px; border-radius: 16px; }
    .section-head { margin-bottom: 40px; }
    .section-title { font-size: clamp(24px, 8vw, 34px); }
    .section-sub { font-size: 14px; }
    .step { padding: 22px 18px; border-radius: 18px; }
    .step p { font-size: 14px; }
    .cloud-cta { padding: 60px 16px; }
    .cloud-card { padding: 32px 18px; border-radius: 18px; }
    .cloud-step { font-size: 12.5px; padding: 8px 14px; }
    .cloud-num { width: 20px; height: 20px; font-size: 11px; }
    .nav-actions .docs-link { display: none; }
    .nav-actions .dash-user { display: none; }
    .nav-actions { margin-left: auto; gap: 8px; }
    .nav-actions .logout-btn { padding: 7px 12px; font-size: 12px; }
    .footer-links { flex-wrap: wrap; gap: 16px; }
    .footer-copy { font-size: 12px; }
    .nav { height: 50px; }
    .logo { width: 82px; height: 28px; }
    .logo-img { width: 82px; height: 28px; }
    .nav-mobile a { font-size: 16px; }
    /* touch targets */
    .btn-primary, .btn-ghost, .btn-download,
    .nav-hamburger, .provider-chip,
    details.faq-item summary { min-height: 44px; min-width: 44px; }
    .nav-mobile a { padding: 8px 0; min-height: 44px; display: flex; align-items: center; justify-content: center; }
    .table-wrap table, .record-table-wrap table { min-width: 520px; }
    .nav { padding: 0 12px; }
    .nav-inner { gap: 12px; }
    .nav-mobile { padding: 72px 18px 36px; gap: 20px; }
    .nav-mobile a { font-size: 17px; }
  }

  @media (max-width: 380px) {
    .hero { padding: 80px 12px 40px; }
    .feature { padding: 16px 12px; }
    .visual-card { padding: 12px; }
    .vc-row { font-size: 11px; }
    .cloud-step { flex: 1 1 100%; justify-content: center; }
    .provider-cloud { gap: 6px; }
    .provider-chip { font-size: 12px; padding: 7px 12px; }
  }

  /* touch optimizations */
  @media (hover: none) and (pointer: coarse) {
    .btn-primary:active, .btn-ghost:active, .btn-download:active,
    .provider-chip:active, .step:active, .feature:active {
      transform: scale(0.97);
      transition: transform 0.1s ease;
    }
    a, button, [role="button"], select, input[type="checkbox"], input[type="radio"] {
      -webkit-tap-highlight-color: transparent;
    }
  }

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

  /* 亮色主题收口：色值全部来自 tokens.css，此处仅保留毛玻璃透明度（玻璃层无品牌色） */
  :root {
    --glass-bg:rgba(255,255,255,.84);
    --glass-bg-strong:rgba(255,255,255,.94);
  }
  body {
    background:var(--bg-base);
    color:var(--text-primary);
  }
  body::before {
    content:"";
    position:fixed;
    inset:0;
    z-index:-3;
    pointer-events:none;
    background:radial-gradient(circle at 72% 12%,var(--accent-soft),transparent 30%),radial-gradient(circle at 18% 38%,var(--accent-cyan-soft),transparent 34%),linear-gradient(180deg,var(--surface) 0%,var(--bg-tint) 34%,var(--surface) 68%,var(--surface) 100%);
  }
  body::after {
    content:"";
    position:fixed;
    inset:0;
    z-index:-2;
    pointer-events:none;
    background:linear-gradient(90deg,rgba(22,119,255,.025) 1px,transparent 1px),linear-gradient(0deg,rgba(22,119,255,.018) 1px,transparent 1px);
    background-size:72px 72px;
    mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 82%);
  }
  ::selection { background:rgba(22,119,255,.16); }
  .bg-aurora { background:transparent; }
  .bg-aurora::before { background:radial-gradient(circle,rgba(22,119,255,.10),transparent 62%); opacity:.55; }
  .bg-aurora::after { background:radial-gradient(circle,rgba(47,203,255,.10),transparent 62%); opacity:.42; }
  .bg-aurora .blob3 { background:radial-gradient(circle,rgba(11,74,164,.10),transparent 62%); opacity:.52; }
  .nav, .nav.scrolled {
    background:rgba(255,255,255,.78);
    border-bottom:1px solid var(--line-soft);
    -webkit-backdrop-filter:blur(24px);
    backdrop-filter:blur(24px);
  }
  .logo, .nav-links a.active, .nav-links a:hover, .nav-actions .docs-link.active, .nav-actions .docs-link:hover { color:var(--text-primary); }
  /* 链接与强调文字统一用 --accent-ink（浅底 5.57:1），避免 4.10:1 不达标 */
  .logo .plus, .nav-mobile a.accent-link, .link-accent, .page-eyebrow, .dash-eyebrow, .section-eyebrow, .step-num, #doc-content a, a { color:var(--accent-ink); }
  .logo .plus, .hero h1 .accent, .section-eyebrow { background:var(--accent-grad-ink); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
  .nav-links a, .nav-actions .docs-link, .nav-actions .dash-user { color:var(--text-tertiary); }
  .nav-actions .logout-btn, .logout-btn, .btn-ghost, .btn-sm, .download-link {
    color:var(--text-secondary);
    background:rgba(255,255,255,.86);
    border:1px solid var(--line);
  }
  .nav-actions .logout-btn:hover, .logout-btn:hover, .btn-ghost:hover, .download-link:hover {
    color:var(--text-primary);
    background:rgba(255,255,255,.96);
    border-color:rgba(22,119,255,.24);
  }
  .nav-hamburger span { background:var(--text-primary); }
  .nav-mobile {
    background:rgba(255,255,255,.96);
    -webkit-backdrop-filter:blur(24px);
    backdrop-filter:blur(24px);
  }
  .nav-mobile a { color:var(--text-secondary); }
  .btn-primary, .btn-download, .btn-purple, .cookie-btn {
    color:var(--text-inverse);
    background:var(--accent-grad);
    box-shadow:0 16px 40px rgba(22,119,255,.24);
  }
  .btn-primary:hover, .btn-download:hover, .btn-purple:hover, .cookie-btn:hover { box-shadow:0 18px 48px rgba(22,119,255,.34); }
  .card, .glass-card, .panel, .note-card, .feature, .visual-card, .step, .mp-card, .mp-rule, details.faq-item, .provider-chip, .download-links, .cloud-card, .table-wrap, .status-pill, .tag, .admin-badge {
    background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(245,249,255,.90));
    border-color:var(--line-soft);
    box-shadow:0 24px 80px var(--line-soft),0 0 70px rgba(22,119,255,.04);
  }
  .feature:hover, .step:hover, details.faq-item[open], .provider-chip:hover, .card:hover, .glass-card:hover, .panel:hover {
    border-color:rgba(22,119,255,.24);
    box-shadow:0 30px 95px rgba(16,24,40,.12),0 0 90px rgba(22,119,255,.08);
  }
  input, select, textarea, .form-control {
    color:var(--text-primary);
    background:rgba(255,255,255,.94);
    border-color:var(--line);
  }
  input:focus, select:focus, textarea:focus, .form-control:focus {
    border-color:rgba(22,119,255,.36);
    box-shadow:0 0 0 4px rgba(22,119,255,.16);
    background:rgba(255,255,255,.98);
  }
  input::placeholder, textarea::placeholder { color: var(--text-decorative); }
  option { background:var(--surface); color:var(--text-primary); }
  th { color:var(--text-tertiary); background:var(--bg-tint); }
  td { color:var(--text-secondary); }
  tbody tr:hover { background:var(--accent-soft); }
  code { color:var(--accent-ink); background:var(--accent-soft); }
  pre, pre.code, pre.toml, .guide-card .gc-code {
    color:var(--text-secondary);
    background:rgba(255,255,255,.94);
    border:1px solid var(--line);
    box-shadow:0 18px 44px rgba(16,24,40,.06);
  }
  footer {
    background:rgba(255,255,255,.78);
    border-top-color:var(--line-soft);
  }
  .cookie-bar {
    background:rgba(255,255,255,.92);
    border-top-color:var(--line-soft);
    color:var(--text-secondary);
  }
  .cookie-bar p { color:var(--text-secondary); }