/* 少杰工具箱 Apple-inspired system: calm surfaces, precise spacing, purple signal. */
:root {
  --apple-bg: #f5f5f7;
  --apple-surface: rgba(255, 255, 255, .88);
  --apple-white: #fff;
  --apple-text: #1d1d1f;
  --apple-muted: #6e6e73;
  --apple-line: rgba(0, 0, 0, .08);
  --apple-line-strong: rgba(0, 0, 0, .13);
  --apple-purple: #6e5cf6;
  --apple-purple-dark: #5542df;
  --apple-purple-soft: #efedff;
  --apple-green: #16865f;
  --apple-red: #c6425d;
  --apple-shadow: 0 16px 44px rgba(24, 20, 48, .08);
  --apple-shadow-hover: 0 24px 58px rgba(38, 29, 83, .13);
  --apple-font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
}

html { background: var(--apple-bg); }
body.site-home,
body.site-center,
body.site-simulator,
body.site-admin {
  background: var(--apple-bg);
  color: var(--apple-text);
  font-family: var(--apple-font);
  letter-spacing: -.015em;
  -webkit-font-smoothing: antialiased;
}

body.site-home::before,
body.site-admin::before { display: none; }

button, input, select, textarea { font-family: var(--apple-font); }
button, a { -webkit-tap-highlight-color: transparent; }

/* A persistent, plain-language exit for long tool flows. */
.home-shortcut {
  position: fixed;
  z-index: 25;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--apple-line-strong);
  border-radius: 980px;
  background: rgba(255, 255, 255, .96);
  color: var(--apple-text);
  box-shadow: 0 8px 22px rgba(24, 20, 48, .12);
  font-size: 13px;
  font-weight: 680;
  line-height: 1;
  text-decoration: none;
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
}
.home-shortcut:hover { border-color: var(--apple-purple); color: var(--apple-purple); }
.home-shortcut svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Shared translucent navigation */
.site-home .topbar,
.site-center .topbar,
.site-simulator .topbar,
.site-admin .top {
  height: 64px;
  border: 0;
  border-bottom: 1px solid rgba(0, 0, 0, .065);
  background: rgba(250, 250, 252, .78);
  box-shadow: none;
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
}

.site-home .brand-orb,
.site-center .brand-mark,
.site-simulator .brand span,
.site-admin .mark {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 9px;
  background: var(--apple-purple);
  color: #fff;
  box-shadow: none;
}

.site-home .brand,
.site-center .brand,
.site-simulator .brand,
.site-admin .brand {
  color: var(--apple-text);
  font-weight: 720;
  letter-spacing: -.035em;
}

.site-home .desktop-nav a,
.site-home .text-action,
.site-center .top-actions a,
.site-center .top-actions button,
.site-simulator .topbar nav a,
.site-admin .top-right,
.site-admin .top-right a {
  color: var(--apple-muted);
  font-size: 13px;
  font-weight: 590;
}

.site-home .desktop-nav a:hover,
.site-home .text-action:hover,
.site-center .top-actions a:hover,
.site-center .top-actions button:hover,
.site-simulator .topbar nav a:hover,
.site-admin .top-right a:hover { color: var(--apple-purple); }

.site-home .primary-small,
.site-home .btn,
.site-home .hero-primary,
.site-center .primary,
.site-simulator .generate,
.site-simulator .result-actions a,
.site-admin .btn {
  border: 0;
  border-radius: 980px;
  background: var(--apple-purple);
  color: #fff;
  box-shadow: none;
  font-weight: 650;
  transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.site-home .primary-small:hover,
.site-home .btn:hover,
.site-home .hero-primary:hover,
.site-center .primary:hover,
.site-simulator .generate:hover,
.site-simulator .result-actions a:hover,
.site-admin .btn:hover {
  background: var(--apple-purple-dark);
  transform: translateY(-1px);
}

/* Home */
.site-home main {
  width: min(1200px, 100%);
  padding: 26px 24px 86px;
}

.site-home .search-shell {
  min-height: 54px;
  margin: 0 auto 18px;
  padding: 0 18px;
  border: 1px solid var(--apple-line);
  border-radius: 17px;
  background: rgba(255, 255, 255, .88);
  color: var(--apple-muted);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .025);
}

.site-home .search-shell:focus-within {
  border-color: rgba(110, 92, 246, .45);
  box-shadow: 0 0 0 4px rgba(110, 92, 246, .09) !important;
}

.site-home .home-hero {
  min-height: 430px;
  padding: clamp(45px, 7vw, 82px);
  border: 1px solid rgba(110, 92, 246, .1);
  border-radius: 32px;
  background:
    radial-gradient(circle at 86% 22%, rgba(147, 130, 255, .19), transparent 30%),
    linear-gradient(145deg, #fff 0%, #faf9ff 58%, #f1efff 100%);
  box-shadow: var(--apple-shadow);
  overflow: hidden;
}

.site-home .home-hero::after {
  width: 360px;
  height: 360px;
  right: -120px;
  top: -165px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .55);
  filter: blur(1px);
}

.site-home .eyebrow {
  color: var(--apple-purple);
  font-size: 13px;
  font-weight: 680;
  letter-spacing: .02em;
}

.site-home .home-hero h1 {
  max-width: 700px;
  margin: 13px 0 18px;
  color: var(--apple-text);
  font-size: clamp(43px, 6vw, 72px);
  line-height: .99;
  letter-spacing: -.075em;
  font-weight: 730;
}

.site-home .hero-copy > p:not(.eyebrow) {
  max-width: 520px;
  color: var(--apple-muted);
  font-size: 18px;
  line-height: 1.55;
}

.site-home .hero-actions { margin-top: 30px; gap: 12px; }
.site-home .hero-primary { padding: 12px 20px; }
.site-home .hero-quiet {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--apple-line-strong);
  border-radius: 980px;
  background: rgba(255, 255, 255, .72);
  color: var(--apple-text);
  font-weight: 620;
}
.site-home .hero-quiet:hover { background: #fff; }

.site-home .hero-visual {
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 28px;
  background: rgba(255, 255, 255, .38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .85);
}

.site-home .visual-phone { border-radius: 25px; box-shadow: 0 18px 38px rgba(58, 44, 119, .14); }
.site-home .visual-card,
.site-home .visual-chart { border-radius: 16px; }

.site-home .quick-tools {
  gap: 12px;
  padding: 28px 0 34px;
}

.site-home .quick-item {
  min-height: 112px;
  padding: 15px 10px;
  border: 1px solid transparent;
  border-radius: 22px;
  background: transparent;
  color: var(--apple-text);
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.site-home .quick-item:hover {
  border-color: var(--apple-line);
  background: rgba(255, 255, 255, .76);
  transform: translateY(-2px);
}

.site-home .quick-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  box-shadow: none;
}
.site-home .quick-icon.purple { background: var(--apple-purple); }
.site-home .quick-item b { margin-top: 10px; font-size: 14px; font-weight: 620; }

.site-home .tool-feed {
  padding: clamp(28px, 4vw, 52px);
  border-radius: 30px;
  background: #fff;
  box-shadow: var(--apple-shadow);
}

.site-home .section-title { margin-bottom: 24px; }
.site-home .section-title p { color: var(--apple-purple); font-weight: 680; }
.site-home .section-title h2 { font-size: clamp(28px, 4vw, 42px); letter-spacing: -.055em; }

.site-home .grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  border: 0;
  background: transparent;
}

.site-home .tool {
  min-height: 240px;
  padding: 24px;
  border: 1px solid var(--apple-line);
  border-radius: 23px;
  background: #fafafa;
  box-shadow: none;
  transition: border-color .18s ease, background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.site-home .tool:hover {
  border-color: rgba(110, 92, 246, .22);
  background: #fff;
  box-shadow: var(--apple-shadow-hover);
  transform: translateY(-3px);
}

.site-home .tool-icon { width: 44px; height: 44px; border-radius: 14px; background: var(--apple-purple-soft); color: var(--apple-purple); }
.site-home .state { border-radius: 980px; background: #ececef; color: var(--apple-muted); }
.site-home .state.ok { background: #e7f6ef; color: var(--apple-green); }
.site-home .tool h3 { color: var(--apple-text); font-size: 22px; font-weight: 680; }
.site-home .tool p { color: var(--apple-muted); }
.site-home .cost b { color: var(--apple-purple); }
.site-home .legal-footer { justify-content: center; margin-top: 34px; }

/* Login and registration sheet */
.site-home .drawer {
  background: rgba(25, 23, 34, .3);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.site-home .sheet {
  width: min(470px, 100%);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, .75);
  border-radius: 30px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 30px 90px rgba(18, 16, 33, .22);
}
.site-home .sheet-badge { color: var(--apple-purple); font-weight: 650; }
.site-home .sheet h2 { color: var(--apple-text); font-size: 34px; font-weight: 720; }
.site-home .close { width: 34px; height: 34px; border-radius: 50%; background: #ececef; color: #6e6e73; }
.site-home .field input {
  min-height: 50px;
  border: 1px solid var(--apple-line-strong);
  border-radius: 13px;
  background: rgba(255, 255, 255, .86);
}
.site-home .field input:focus { border-color: var(--apple-purple); box-shadow: 0 0 0 4px rgba(110, 92, 246, .1); }
.site-home .checks { border: 0; border-radius: 15px; background: #f1f1f3; }
.site-home .notice, .site-home .success { border-radius: 13px; }

/* User center */
.site-center .layout { width: min(1200px, 100%); grid-template-columns: 220px minmax(0, 1fr); }
.site-center .sidebar { padding-top: 34px; border-color: var(--apple-line); }
.site-center .sidebar a { margin: 2px 0; border-radius: 12px; color: var(--apple-muted); font-weight: 590; }
.site-center .sidebar a:hover,
.site-center .sidebar a.active { background: var(--apple-purple-soft); color: var(--apple-purple); }
.site-center main { padding: 48px 24px 80px 48px; }
.site-center .page-head { border: 0; }
.site-center .page-head > p { color: var(--apple-purple); }
.site-center .page-head h1 { color: var(--apple-text); font-size: 42px; font-weight: 720; }
.site-center .page-head > span { color: var(--apple-muted); }
.site-center .page-panel {
  padding: 28px;
  border: 1px solid var(--apple-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--apple-shadow);
}
.site-center .summary-grid { gap: 12px; border: 0; background: transparent; }
.site-center .summary-grid article { border-radius: 18px; background: #f5f5f7; }
.site-center .summary-grid strong { color: var(--apple-text); }
.site-center .summary-grid a,
.site-center .balance strong { color: var(--apple-purple); }
.site-center .secondary,
.site-center .load-more { border-color: var(--apple-line-strong); border-radius: 980px; background: #fff; }
.site-center .field input { border-color: var(--apple-line-strong); border-radius: 13px; }
.site-center .field input:focus { border-color: var(--apple-purple); box-shadow: 0 0 0 4px rgba(110, 92, 246, .1); }
.site-center .notice { border-color: rgba(110, 92, 246, .16); border-radius: 14px; background: var(--apple-purple-soft); }
.site-center .work-card { border-color: var(--apple-line); border-radius: 18px; }
.site-center .work-card img { background: #f0f0f2; }

/* Simulators */
.site-simulator main { width: min(1200px, 100%); padding: 58px 24px 96px; }
.site-simulator .intro > p { color: var(--apple-purple); font-weight: 680; }
.site-simulator .intro h1 { color: var(--apple-text); font-size: clamp(40px, 5.5vw, 64px); font-weight: 720; letter-spacing: -.07em; }
.site-simulator .steps {
  padding: 15px 18px;
  border: 1px solid var(--apple-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 4px 20px rgba(24, 20, 48, .04);
}
.site-simulator .steps b { border-radius: 50%; }
.site-simulator .steps span.active { color: var(--apple-purple); }
.site-simulator .steps span.active b { background: var(--apple-purple); }
.site-simulator .workspace { gap: 18px; }
.site-simulator .photo-panel,
.site-simulator .settings-panel,
.site-simulator .generation-state,
.site-simulator .result {
  border: 1px solid var(--apple-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--apple-shadow);
  overflow: hidden;
}
.site-simulator .photo-panel { top: 82px; padding: 25px; }
.site-simulator .settings-panel { padding: 0 26px; }
.site-simulator .panel-heading > span { border-radius: 50%; background: var(--apple-purple-soft); color: var(--apple-purple); }
.site-simulator .panel-heading h2 { color: var(--apple-text); font-weight: 680; }
.site-simulator .panel-heading p { color: var(--apple-muted); }
.site-simulator .setting-block { border-color: var(--apple-line); }
.site-simulator .upload {
  border: 1.5px dashed rgba(110, 92, 246, .34);
  border-radius: 18px;
  background: #faf9ff;
  color: var(--apple-purple);
}
.site-simulator .upload:hover { background: var(--apple-purple-soft); }
.site-simulator .photo-wrap { border-radius: 17px; }
.site-simulator .eye-box { border-color: var(--apple-purple); background: rgba(110, 92, 246, .09); }
.site-simulator .eye-box span,
.site-simulator .eye-box button { background: var(--apple-purple); }
.site-simulator .quiet { border-color: var(--apple-line-strong); border-radius: 980px; }
.site-simulator .issue-grid label span,
.site-simulator .choice-row label span {
  border-color: var(--apple-line);
  border-radius: 13px;
  background: #fafafa;
}
.site-simulator .issue-grid label input:checked + span,
.site-simulator .choice-row input:checked + span {
  border-color: rgba(110, 92, 246, .55);
  background: var(--apple-purple-soft);
  color: var(--apple-purple);
  box-shadow: 0 0 0 1px rgba(110, 92, 246, .08);
}
.site-simulator .line-field select { border-color: var(--apple-line-strong); border-radius: 13px; }
.site-simulator .cost-line { padding: 13px 15px; border-radius: 13px; background: #f5f5f7; }
.site-simulator .cost-line strong { color: var(--apple-purple); }
.site-simulator .confirm input,
.site-simulator .permission input { accent-color: var(--apple-purple); }
.site-simulator .generate { min-height: 50px; }
.site-simulator .generate:disabled { background: #b9b7c4; }
.site-simulator .spinner { border-color: #e6e3fa; border-top-color: var(--apple-purple); }
.site-simulator .result { padding: 28px; }
.site-simulator .result-head p,
.site-simulator .result-head a { color: var(--apple-purple); }
.site-simulator .compare figure { border-radius: 17px; overflow: hidden; background: #f0f0f2; }
.site-simulator .result-actions button { border-color: var(--apple-purple); border-radius: 980px; color: var(--apple-purple); }
.site-simulator .toast { border-radius: 980px; background: rgba(38, 35, 52, .92); backdrop-filter: blur(16px); }

/* Admin workbench */
.site-admin .workbench { grid-template-columns: 238px minmax(0, 1fr); background: var(--apple-bg); }
.site-admin aside {
  top: 64px;
  height: calc(100vh - 64px);
  padding: 24px 14px;
  border-color: var(--apple-line);
  background: rgba(249, 249, 251, .82);
  backdrop-filter: blur(18px);
}
.site-admin .nav-group { color: #929297; font-size: 11px; font-weight: 650; }
.site-admin .nav { border-radius: 12px; color: var(--apple-muted); font-weight: 590; }
.site-admin .nav:hover,
.site-admin .nav.active { background: var(--apple-purple-soft); color: var(--apple-purple); }
.site-admin main { width: 100%; min-width: 0; max-width: 1500px; padding: 42px clamp(24px, 4vw, 58px) 80px; }
.site-admin .page-head {
  padding: 0 0 24px;
  border: 0;
  border-bottom: 1px solid var(--apple-line);
  border-radius: 0;
  background: transparent;
}
.site-admin h1 { color: var(--apple-text); font-size: 38px; font-weight: 720; }
.site-admin p { color: var(--apple-muted); }
.site-admin .role { border-radius: 980px; background: var(--apple-purple-soft); color: var(--apple-purple); }
.site-admin .cards { gap: 14px; }
.site-admin .metric,
.site-admin .section,
.site-admin .service,
.site-admin .login {
  border: 1px solid var(--apple-line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 8px 30px rgba(24, 20, 48, .055);
}
.site-admin .metric { padding: 21px; }
.site-admin .metric strong { color: var(--apple-text); }
.site-admin .section { margin-top: 18px; }
.site-admin .section-head { border-color: var(--apple-line); }
.site-admin .table th { background: #f5f5f7; color: var(--apple-muted); }
.site-admin .table td,
.site-admin .table th { border-color: var(--apple-line); }
.site-admin .service-grid { gap: 14px; border: 0; background: transparent; }
.site-admin .service { padding: 20px; }
.site-admin .badge { border-radius: 980px; }
.site-admin .btn.secondary { background: #ededf0; color: var(--apple-text); }
.site-admin .btn.danger { background: #fff0f3; color: var(--apple-red); }
.site-admin .input,
.site-admin select { border-color: var(--apple-line-strong); border-radius: 11px; }
.site-admin .input:focus,
.site-admin select:focus { border-color: var(--apple-purple); box-shadow: 0 0 0 4px rgba(110, 92, 246, .1); }
.site-admin .modal { background: rgba(25, 23, 34, .3); backdrop-filter: blur(16px); }
.site-admin .modal-card { border: 1px solid rgba(255, 255, 255, .7); border-radius: 24px; box-shadow: 0 30px 90px rgba(18, 16, 33, .22); }
.site-admin .modal-head { border-color: var(--apple-line); }
.site-admin .close { border-radius: 980px; background: #ededf0; }
.site-admin .toast { border-radius: 980px; background: rgba(38, 35, 52, .92); }

/* Legal pages retain long-form readability, with the same system palette. */
body:not(.site-home):not(.site-center):not(.site-simulator):not(.site-admin) {
  background: var(--apple-bg);
  color: var(--apple-text);
  font-family: var(--apple-font);
}

@media (max-width: 900px) {
  .site-home main { padding: 18px 16px 100px; }
  .site-home .home-hero { grid-template-columns: 1fr; min-height: auto; }
  .site-home .hero-visual { min-height: 260px; }
  .site-home .grid { grid-template-columns: 1fr; }
  .site-center .layout { display: block; }
  .site-center main { padding: 28px 18px 70px; }
  .site-admin .workbench { grid-template-columns: 1fr; }
  .site-admin aside { top: 64px; width: 100%; max-width: 100vw; height: auto; background: rgba(249, 249, 251, .92); }
  .site-admin main { max-width: 100vw; overflow: hidden; }
  .site-admin .panel,
  .site-admin .section,
  .site-admin .cards { min-width: 0; max-width: 100%; }
}

@media (max-width: 620px) {
  .home-shortcut { right: 12px; bottom: max(14px, env(safe-area-inset-bottom)); min-height: 40px; padding-inline: 13px; }
  .site-home .topbar,
  .site-center .topbar,
  .site-simulator .topbar,
  .site-admin .top { height: 58px; }

  .site-home .brand-title,
  .site-admin .brand-title { max-width: 124px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  .site-home main { padding-inline: 12px; }
  .site-home .search-shell { min-height: 50px; border-radius: 15px; }
  .site-home .home-hero { padding: 36px 24px 32px; border-radius: 25px; }
  .site-home .home-hero h1 { font-size: 42px; }
  .site-home .hero-copy > p:not(.eyebrow) { font-size: 16px; }
  .site-home .hero-visual { display: none; }
  .site-home .quick-tools { gap: 4px; }
  .site-home .quick-item { min-height: 96px; padding-inline: 3px; border-radius: 16px; }
  .site-home .quick-icon { width: 49px; height: 49px; border-radius: 15px; }
  .site-home .quick-item b { font-size: 12px; }
  .site-home .tool-feed { padding: 28px 18px; border-radius: 25px; }
  .site-home .tool { min-height: 220px; padding: 20px; border-radius: 19px; }
  .site-home .sheet { padding: 28px 20px calc(24px + env(safe-area-inset-bottom)); border-radius: 26px 26px 0 0; }

  .site-center .page-head h1 { font-size: 34px; }
  .site-center .page-panel { padding: 18px; border-radius: 20px; }
  .site-center .summary-grid article { border-radius: 15px; }

  .site-simulator main { padding: 34px 12px 74px; }
  .site-simulator .intro h1 { font-size: 39px; }
  .site-simulator .steps { border-radius: 15px; }
  .site-simulator .photo-panel,
  .site-simulator .settings-panel,
  .site-simulator .generation-state,
  .site-simulator .result { border-radius: 20px; }
  .site-simulator .photo-panel { padding: 18px; }
  .site-simulator .settings-panel { padding-inline: 17px; }
  .site-simulator .upload { border-radius: 16px; }

  .site-admin main { padding: 26px 14px 70px; }
  .site-admin h1 { font-size: 31px; }
  .site-admin .page-head { align-items: flex-start; }
  .site-admin .metric,
  .site-admin .section,
  .site-admin .service { border-radius: 17px; }
  .site-admin .modal-card { border-radius: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}