/* ============================================
   OpenClaw 指南 — Stylesheet
   Theme: lobster orange on deep charcoal
   ============================================ */

:root {
  /* brand */
  --accent: #FF5A2D;
  --accent-bright: #FF7A3D;
  --accent-dim: #D14A22;
  --info: #FF8A5B;
  --success: #2FBF71;
  --warn: #FFB020;
  --error: #E23D2D;

  /* dark theme (default) */
  --bg: #0D0B0A;
  --bg-alt: #141110;
  --surface: #1A1614;
  --surface-2: #221D1A;
  --surface-3: #2B2421;
  --border: #322A26;
  --border-soft: #262019;

  --text: #F5EFE9;
  --text-2: #C4B8AF;
  --text-3: #8B7F77;

  --code-bg: #120F0E;
  --code-border: #2A2320;

  --shadow: 0 4px 24px rgba(0,0,0,.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.5);

  --radius: 14px;
  --radius-sm: 9px;
  --radius-lg: 22px;

  --wrap: 1140px;
  --nav-h: 62px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Consolas, 'Liberation Mono', monospace;
}

html[data-theme="light"] {
  --bg: #FFFDFB;
  --bg-alt: #FBF6F2;
  --surface: #FFFFFF;
  --surface-2: #FDF8F5;
  --surface-3: #F7EFE9;
  --border: #EADFD6;
  --border-soft: #F0E7E0;

  --text: #241B16;
  --text-2: #5C4F47;
  --text-3: #8B7F77;

  --code-bg: #2A2320;
  --code-border: #3A312C;

  --shadow: 0 4px 20px rgba(90,60,40,.08);
  --shadow-lg: 0 20px 50px rgba(90,60,40,.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .3s ease, color .3s ease;
}

a { color: var(--accent-bright); text-decoration: none; transition: color .2s; }
a:hover { color: var(--text); }

code, kbd, pre { font-family: var(--mono); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--text-2); }
.mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; } .mb-16 { margin-bottom: 16px; } .mb-32 { margin-bottom: 32px; }

::selection { background: var(--accent); color: #fff; }

/* ---------- scrollbar ---------- */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ---------- progress bar ---------- */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  z-index: 200; transition: width .1s linear;
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color .3s, background .3s;
}
.nav.scrolled { border-bottom-color: var(--border); background: color-mix(in srgb, var(--bg) 94%, transparent); }

.nav-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 20px;
}

.brand { display: flex; align-items: center; gap: 9px; color: var(--text); flex-shrink: 0; }
.brand-mark { font-size: 22px; line-height: 1; }
.brand-text { font-weight: 800; font-size: 16.5px; letter-spacing: -.3px; }
.brand-text em { font-style: normal; color: var(--accent); margin-left: 5px; font-weight: 600; }

.nav-links { display: flex; gap: 2px; margin-left: auto; }
.nav-links a {
  color: var(--text-2); font-size: 13.5px; font-weight: 500;
  padding: 7px 11px; border-radius: 7px; white-space: nowrap;
  transition: all .2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-links a.active { color: var(--accent-bright); background: color-mix(in srgb, var(--accent) 12%, transparent); }

.nav-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.theme-toggle {
  width: 34px; height: 34px; border-radius: 9px; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-2); display: grid; place-items: center;
  transition: all .2s;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent-dim); }
.theme-toggle .icon-moon { display: none; }
html[data-theme="light"] .theme-toggle .icon-sun { display: none; }
html[data-theme="light"] .theme-toggle .icon-moon { display: block; }

.menu-toggle {
  display: none; width: 34px; height: 34px; border-radius: 9px; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border);
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.menu-toggle span { display: block; width: 15px; height: 2px; background: var(--text-2); border-radius: 2px; transition: .25s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  padding: 12px 24px; border-radius: 11px; font-weight: 600; font-size: 14.5px;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: all .22s cubic-bezier(.4,0,.2,1);
}
.btn-sm { padding: 7px 13px; font-size: 12.5px; border-radius: 8px; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff; box-shadow: 0 4px 18px color-mix(in srgb, var(--accent) 32%, transparent);
}
.btn-primary:hover {
  color: #fff; transform: translateY(-2px);
  box-shadow: 0 8px 28px color-mix(in srgb, var(--accent) 45%, transparent);
}
.btn-ghost { background: var(--surface-2); color: var(--text-2); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--accent-dim); background: var(--surface-3); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 60px) 0 80px; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .3; }
.orb-1 { width: 520px; height: 520px; background: var(--accent); top: -140px; right: -100px; animation: float1 16s ease-in-out infinite; }
.orb-2 { width: 420px; height: 420px; background: #8B2F6B; bottom: -120px; left: -90px; animation: float2 20s ease-in-out infinite; }
.orb-3 { width: 340px; height: 340px; background: var(--accent-bright); top: 45%; left: 42%; opacity: .16; animation: float1 24s ease-in-out infinite reverse; }
html[data-theme="light"] .orb { opacity: .18; }

@keyframes float1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-45px,55px) scale(1.12); } }
@keyframes float2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(55px,-45px) scale(1.1); } }

.grid-lines {
  position: absolute; inset: 0; opacity: .35;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
}

.hero-inner { position: relative; z-index: 1; text-align: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 17px; border-radius: 100px; margin-bottom: 30px;
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-2); font-weight: 500;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 22%, transparent); animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

.hero-title {
  font-size: clamp(2.3rem, 6.2vw, 4.5rem);
  line-height: 1.1; font-weight: 800; letter-spacing: -2px; margin-bottom: 26px;
}
.hero-title .grad {
  background: linear-gradient(120deg, var(--accent-bright), var(--accent) 45%, #FFB020);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

.hero-sub {
  max-width: 680px; margin: 0 auto 38px;
  font-size: clamp(15px, 2vw, 17.5px); color: var(--text-2); line-height: 1.75;
}

.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  max-width: 720px; margin: 0 auto;
  padding: 26px 20px; border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  border: 1px solid var(--border); backdrop-filter: blur(12px);
}
.stat { text-align: center; }
.stat b { display: block; font-size: clamp(1.25rem, 3vw, 1.85rem); font-weight: 800; letter-spacing: -1px; color: var(--accent-bright); }
.stat span { font-size: 12px; color: var(--text-3); font-weight: 500; }

.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 1; }
.scroll-hint span { display: block; width: 22px; height: 36px; border: 2px solid var(--border); border-radius: 12px; position: relative; }
.scroll-hint span::after { content: ''; position: absolute; top: 7px; left: 50%; transform: translateX(-50%); width: 3px; height: 7px; border-radius: 2px; background: var(--accent); animation: scrollDot 1.9s ease-in-out infinite; }
@keyframes scrollDot { 0% { opacity: 1; transform: translate(-50%,0); } 70% { opacity: 0; transform: translate(-50%,13px); } 100% { opacity: 0; } }

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 96px 0; position: relative; }
.section.alt { background: var(--bg-alt); }
.section.alt::before, .section.alt::after {
  content: ''; position: absolute; left: 0; right: 0; height: 1px; background: var(--border-soft);
}
.section.alt::before { top: 0; } .section.alt::after { bottom: 0; }

.sec-head { max-width: 700px; margin-bottom: 52px; }
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 500;
  color: var(--accent); letter-spacing: .5px; margin-bottom: 14px;
  padding: 4px 11px; border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}
.sec-head h2 { font-size: clamp(1.7rem, 3.8vw, 2.5rem); font-weight: 800; letter-spacing: -1.1px; line-height: 1.25; margin-bottom: 14px; }
.sec-head .lead { font-size: 16px; color: var(--text-2); }
.sec-sub { font-size: 1.3rem; font-weight: 700; letter-spacing: -.4px; margin-bottom: 4px; }

/* ---------- cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover { border-color: var(--border); box-shadow: var(--shadow); }
.card-lg { padding: 34px; }
.card-title-sm { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -.3px; }
.mini-title { font-size: .95rem; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.card-icon { font-size: 26px; margin-bottom: 14px; line-height: 1; }
.card p { font-size: 14.5px; }
.card h3 { font-size: 1.06rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -.2px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.intro-card .big-text { font-size: 16.5px; line-height: 1.85; color: var(--text); }
.intro-card .big-text strong { color: var(--accent-bright); }

.quote-block {
  margin: 26px 0; padding: 20px 24px; border-left: 3px solid var(--accent);
  background: var(--surface-2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.quote-block p { font-size: 16px; font-style: italic; color: var(--text); font-weight: 500; }
.quote-block cite { font-size: 12.5px; color: var(--text-3); font-style: normal; margin-top: 6px; display: block; }

/* feature cards */
.feature { display: flex; gap: 18px; align-items: flex-start; }
.feat-num {
  font-family: var(--mono); font-size: 24px; font-weight: 700; color: var(--accent);
  opacity: .35; line-height: 1; flex-shrink: 0; min-width: 44px;
}

/* lists */
.list-check, .list-mute, .list-warn, .list-plain { list-style: none; }
.list-check li, .list-mute li, .list-warn li, .list-plain li {
  position: relative; padding-left: 26px; margin-bottom: 11px; font-size: 14.5px; line-height: 1.7;
}
.list-check li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700; }
.list-mute li::before { content: '×'; position: absolute; left: 0; color: var(--text-3); font-weight: 700; }
.list-warn li::before { content: '!'; position: absolute; left: 0; color: var(--warn); font-weight: 800; }
.list-plain li::before { content: '▸'; position: absolute; left: 2px; color: var(--accent); }
.list-check li:last-child, .list-mute li:last-child, .list-warn li:last-child, .list-plain li:last-child { margin-bottom: 0; }
.list-plain li b { color: var(--text); }

/* use-case cards */
.use-card {
  display: flex; gap: 14px; align-items: center; padding: 16px 20px;
  background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm); transition: all .22s;
}
.use-card:hover { border-color: var(--accent-dim); transform: translateX(4px); }
.use-emo { font-size: 22px; flex-shrink: 0; }
.use-card b { display: block; font-size: 14.5px; margin-bottom: 2px; }
.use-card p { font-size: 13px; color: var(--text-3); font-family: var(--mono); }

/* ---------- timeline ---------- */
.timeline { position: relative; padding-left: 26px; margin-top: 22px; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot { position: absolute; left: -26px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--surface); border: 2px solid var(--border); }
.tl-active .tl-dot { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.tl-body b { font-size: 15.5px; display: block; margin-bottom: 4px; font-family: var(--mono); }
.tl-active .tl-body b { color: var(--accent-bright); }
.tl-body p { font-size: 14px; color: var(--text-2); }
.tag-inline { display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 5px; font-size: 11px; font-family: var(--font); font-weight: 600; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); vertical-align: middle; }

/* ---------- code blocks ---------- */
.code-block {
  margin: 16px 0; border-radius: var(--radius-sm); overflow: hidden;
  border: 1px solid var(--code-border); background: var(--code-bg);
}
.code-block.sm pre { font-size: 12.5px; padding: 14px 16px; }
.code-head {
  display: flex; align-items: center; gap: 10px; padding: 9px 14px;
  background: rgba(255,255,255,.035); border-bottom: 1px solid var(--code-border);
}
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.dots i:nth-child(1) { background: #E23D2D; }
.dots i:nth-child(2) { background: #FFB020; }
.dots i:nth-child(3) { background: #2FBF71; }
.code-title { font-family: var(--mono); font-size: 11.5px; color: #9a8f88; flex: 1; }
.copy-btn {
  background: transparent; border: 1px solid var(--code-border); color: #9a8f88;
  font-size: 11px; padding: 3px 9px; border-radius: 5px; cursor: pointer;
  font-family: var(--font); transition: all .2s;
}
.copy-btn:hover { color: var(--accent-bright); border-color: var(--accent-dim); }
.copy-btn.done { color: var(--success); border-color: var(--success); }

.code-block pre { padding: 18px; overflow-x: auto; }
.code-block code {
  font-size: 13.5px; line-height: 1.72; color: #F0E6DE; white-space: pre;
}
/* syntax colors */
.tok-cmd { color: #FF8A5B; font-weight: 600; }
.tok-flag { color: #FFB020; }
.tok-str { color: #2FBF71; }
.tok-cm { color: #7d716a; font-style: italic; }
.tok-punc { color: #9a8f88; }
.tok-url { color: #6FC3DF; text-decoration: underline; text-underline-offset: 2px; }

code:not(.code-block code):not([class*="tok-"]) {
  background: var(--surface-3); padding: 2px 6px; border-radius: 5px;
  font-size: .88em; color: var(--accent-bright);
  border: 1px solid var(--border-soft);
}
.code-block code .tok-cmd, .code-block code b { color: #FF8A5B; font-weight: 600; }

kbd {
  background: var(--surface-3); border: 1px solid var(--border); border-bottom-width: 2px;
  padding: 2px 6px; border-radius: 5px; font-size: 12px; color: var(--text);
}

/* ---------- tabs ---------- */
.tabs { margin-top: 20px; }
.tab-bar {
  display: flex; gap: 4px; flex-wrap: wrap; padding: 4px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; margin-bottom: 18px;
}
.tab {
  padding: 8px 15px; border-radius: 7px; border: none; background: transparent;
  color: var(--text-2); font-size: 13.5px; font-weight: 600; cursor: pointer;
  font-family: var(--font); transition: all .2s; white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--surface); color: var(--accent-bright); box-shadow: 0 1px 4px rgba(0,0,0,.15); }
html[data-theme="light"] .tab.active { background: #fff; }
.tab-panel { display: none; animation: fadeUp .3s ease; }
.tab-panel.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- notes ---------- */
.note {
  padding: 16px 20px; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--info) 8%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--info) 24%, transparent);
  border-left: 3px solid var(--info);
}
.note b { display: block; margin-bottom: 4px; font-size: 14px; }
.note p { font-size: 13.5px; color: var(--text-2); margin: 0; }
.note-soft { background: var(--surface-2); border-color: var(--border); border-left-color: var(--accent); }
.note-warn { background: color-mix(in srgb, var(--warn) 8%, var(--surface)); border-color: color-mix(in srgb, var(--warn) 26%, transparent); border-left-color: var(--warn); }

/* ---------- requirement grid ---------- */
.req-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.req { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); }
.req-ico { font-size: 20px; flex-shrink: 0; }
.req b { display: block; font-size: 14.5px; margin-bottom: 3px; }
.req p { font-size: 13px; color: var(--text-3); }

/* ---------- options list ---------- */
.opt-list { display: grid; gap: 10px; }
.opt { display: flex; gap: 12px; align-items: baseline; padding: 12px 16px; background: var(--surface-2); border-radius: var(--radius-sm); border: 1px solid var(--border-soft); flex-wrap: wrap; }
.opt b { font-size: 14px; color: var(--accent-bright); min-width: 180px; }
.opt span { font-size: 13.5px; color: var(--text-2); }

/* ---------- steps ---------- */
.steps { display: grid; gap: 22px; margin-top: 24px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step-n {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff; font-weight: 700; font-size: 14px;
  display: grid; place-items: center; margin-top: 2px;
}
.step-body { flex: 1; min-width: 0; }
.step-body > b { font-size: 15.5px; display: block; margin-bottom: 4px; }
.step-body p { font-size: 14px; }
.step-body .code-block { margin-top: 12px; }

/* ---------- download cards ---------- */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.dl-card {
  display: flex; flex-direction: column; gap: 4px; padding: 20px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); transition: all .22s;
}
.dl-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow); }
.dl-ico { font-size: 24px; margin-bottom: 6px; }
.dl-card b { font-size: 15px; }
.dl-card span { font-size: 12.5px; color: var(--text-3); }
.dl-card em { font-size: 12.5px; color: var(--accent-bright); font-style: normal; font-weight: 600; margin-top: 6px; }

/* ---------- interface cards ---------- */
.iface { text-align: center; }
.iface-ico { font-size: 30px; margin-bottom: 10px; }
.iface b { display: block; font-size: 15.5px; margin-bottom: 6px; }
.iface p { font-size: 13.5px; margin-bottom: 12px; }
.mini-cmd {
  display: inline-block; font-size: 12px; padding: 4px 10px;
  background: var(--code-bg); border: 1px solid var(--code-border);
  border-radius: 6px; color: #FF8A5B;
}

/* ---------- slash grid ---------- */
.slash-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.slash { display: flex; gap: 14px; align-items: baseline; padding: 12px 16px; background: var(--surface-2); border-radius: var(--radius-sm); border: 1px solid var(--border-soft); flex-wrap: wrap; }
.slash code { font-size: 13px; flex-shrink: 0; }
.slash span { font-size: 13px; color: var(--text-2); }

/* ---------- command table ---------- */
.cmd-table { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.cmd-group { background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 18px; }
.cmd-group-h { font-size: 12.5px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .6px; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.cmd-row { display: flex; gap: 12px; padding: 5px 0; align-items: baseline; flex-wrap: wrap; }
.cmd-row code { font-size: 12.5px; flex-shrink: 0; min-width: 0; }
.cmd-row span { font-size: 12.5px; color: var(--text-3); }
.cmd-row code code { background: none; border: none; padding: 0; color: var(--text-3); font-size: 11.5px; }

/* ---------- tool grid ---------- */
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.tool { padding: 16px 18px; background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); }
.tool b { display: block; font-size: 14.5px; margin-bottom: 8px; }
.tool code { display: inline-block; font-size: 11.5px; padding: 2px 7px; margin: 0 4px 5px 0; background: var(--code-bg); border: 1px solid var(--code-border); color: #FF8A5B; border-radius: 5px; }
.tool p { font-size: 12.5px; color: var(--text-3); margin-top: 6px; }

/* ---------- channels ---------- */
.chan-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.chan {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 18px 10px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); text-align: center; font-size: 13.5px; font-weight: 600;
  transition: all .22s;
}
.chan span { font-size: 22px; }
.chan em { font-size: 10.5px; font-style: normal; color: var(--text-3); font-weight: 500; }
.chan:hover { border-color: var(--accent-dim); transform: translateY(-3px); }
.chan.active { background: color-mix(in srgb, var(--accent) 10%, var(--surface)); border-color: var(--accent); color: var(--accent-bright); }
.chan.active em { color: var(--accent); }

/* ---------- data box ---------- */
.data-box { padding: 20px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.data-box h4 { font-size: 14.5px; margin-bottom: 12px; }
.data-box .code-block { margin-bottom: 0; }
.data-box .code-block:last-child { margin-bottom: 0; }

/* ---------- memory cards ---------- */
.mem-card .mem-file {
  font-family: var(--mono); font-size: 13px; font-weight: 600; color: #FF8A5B;
  background: var(--code-bg); border: 1px solid var(--code-border);
  padding: 5px 11px; border-radius: 6px; display: inline-block; margin-bottom: 12px;
}
.mem-card b { display: block; font-size: 14.5px; margin-bottom: 6px; }
.pill { display: inline-block; font-size: 10.5px; padding: 1px 7px; border-radius: 4px; background: var(--surface-3); border: 1px solid var(--border); color: var(--text-3); font-weight: 600; vertical-align: middle; }
.mini-card { background: var(--surface-2); padding: 20px; }
.mini-card b { display: block; font-size: 14.5px; margin-bottom: 6px; }

/* ---------- mechanism cards ---------- */
.mech { text-align: center; }
.mech-ico { font-size: 28px; margin-bottom: 12px; }
.mech b { display: block; font-size: 15px; margin-bottom: 8px; }
.mech p { font-size: 13.5px; }

.cron-ref { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.cron-ref div { display: flex; gap: 14px; align-items: baseline; padding: 10px 14px; background: var(--surface-2); border-radius: var(--radius-sm); border: 1px solid var(--border-soft); }
.cron-ref code { font-size: 13px; flex-shrink: 0; }
.cron-ref span { font-size: 13px; color: var(--text-2); }

/* ---------- tri cards ---------- */
.tri { text-align: left; }
.tri-ico { font-size: 28px; margin-bottom: 12px; }
.tri b { display: block; font-size: 16px; margin-bottom: 8px; }
.tri p { font-size: 14px; }

/* ============================================
   ARCH DIAGRAM
   ============================================ */
.arch-wrap { padding: 20px; overflow-x: auto; }
.arch-svg { min-width: 640px; }
.arch-svg svg { width: 100%; height: auto; display: block; }
.a-box { fill: var(--surface-2); stroke: var(--border); stroke-width: 1.5; rx: 10; }
.a-box-main { fill: color-mix(in srgb, var(--accent) 12%, var(--surface-2)); stroke: var(--accent); stroke-width: 2; }
.a-box-hot { fill: color-mix(in srgb, var(--accent) 20%, var(--surface-2)); stroke: var(--accent-bright); stroke-width: 2; }
.a-t { fill: var(--text); font-size: 13.5px; font-weight: 700; font-family: var(--font); text-anchor: middle; }
.a-t2 { fill: var(--text-3); font-size: 11.5px; font-family: var(--font); text-anchor: middle; }
.a-lbl { fill: var(--text-3); font-size: 11px; font-family: var(--font); text-anchor: middle; }
.a-line { stroke: var(--accent); stroke-width: 1.8; fill: none; marker-end: url(#arrow); }
.a-line-dim { stroke: var(--border); stroke-width: 1.5; fill: none; stroke-dasharray: 4 4; marker-end: url(#arrowDim); }
.a-title { fill: var(--accent); font-size: 12px; font-weight: 700; font-family: var(--mono); text-anchor: middle; letter-spacing: 1px; }

/* ============================================
   TOAST — 顶部提示
   ============================================ */
.toast {
  position: fixed; top: calc(var(--nav-h) + 14px); right: 20px; z-index: 300;
  width: min(358px, calc(100vw - 32px));
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 20px 18px 18px;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  opacity: 0; transform: translateX(26px) scale(.96); pointer-events: none;
  transition: opacity .5s cubic-bezier(.4,0,.2,1), transform .5s cubic-bezier(.4,0,.2,1);
}
.toast.show { opacity: 1; transform: none; pointer-events: auto; }
.toast.hide { opacity: 0; transform: translateX(26px) scale(.96); pointer-events: none; }

.toast-ico {
  font-size: 24px; line-height: 1; flex-shrink: 0;
  animation: wobble 3.2s ease-in-out infinite;
}
@keyframes wobble {
  0%, 82%, 100% { transform: rotate(0) scale(1); }
  86% { transform: rotate(-13deg) scale(1.1); }
  90% { transform: rotate(11deg) scale(1.1); }
  94% { transform: rotate(-6deg); }
}
.toast-body { flex: 1; min-width: 0; }
.toast-body b { display: block; font-size: 14.5px; font-weight: 700; margin-bottom: 5px; }
.toast-body p { font-size: 13.5px; line-height: 1.68; color: var(--text-2); }
.toast-body strong { color: var(--accent-bright); }
.toast-fine {
  display: block; margin-top: 8px; font-size: 11.5px; color: var(--text-3);
  padding-top: 8px; border-top: 1px dashed var(--border); font-style: italic;
}

/* 5 秒倒计时进度条 */
.toast-bar {
  margin-top: 10px; height: 3px; border-radius: 2px;
  background: var(--surface-3); overflow: hidden;
}
.toast-bar i { display: block; height: 100%; width: 100%; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-bright)); transform-origin: left center; }
.toast-bar i.run { animation: toastCountdown 5s linear forwards; }
@keyframes toastCountdown { from { transform: scaleX(1); } to { transform: scaleX(0); } }
/* 悬停暂停时冻结进度，给用户读完的时间 */
.toast:hover .toast-bar i.run { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) {
  .toast-bar i.run { animation: none; }
  .toast { transition: opacity .3s ease; }
}

.toast-x {
  position: absolute; top: 8px; right: 10px;
  width: 26px; height: 26px; border-radius: 7px; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
  font-size: 19px; line-height: 1; display: grid; place-items: center;
  transition: all .2s; z-index: 2; padding: 0 0 2px;
}
.toast-x:hover { color: #fff; background: var(--error); border-color: var(--error); transform: rotate(90deg); }

/* ============================================
   PRIORITY TABLE — 技能加载顺序
   ============================================ */
.prio-table { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.prio-h, .prio-row {
  display: grid; grid-template-columns: 88px 1.1fr 1.6fr 1fr; gap: 12px;
  padding: 11px 16px; align-items: center;
}
.prio-h { background: var(--surface-2); font-size: 11.5px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: .5px; }
.prio-row { border-top: 1px solid var(--border-soft); font-size: 13.5px; transition: background .18s; }
.prio-row:hover { background: var(--surface-2); }
.prio-row b { font-family: var(--mono); font-size: 12.5px; color: var(--text-3); font-weight: 600; }
.prio-row:first-of-type b { color: var(--accent); }
.prio-row span { color: var(--text); }
.prio-row code { font-size: 11.5px; }
.prio-row em { font-style: normal; font-size: 12.5px; color: var(--text-3); }

/* ============================================
   MARKETPLACE — 技能市场
   ============================================ */
.mkt-top { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.mkt-search {
  flex: 1; min-width: 260px; display: flex; align-items: center; gap: 11px;
  padding: 0 16px; height: 46px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  color: var(--text-3); transition: border-color .22s, box-shadow .22s;
}
.mkt-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); }
.mkt-search input {
  flex: 1; min-width: 0; background: transparent; border: none; outline: none;
  color: var(--text); font-size: 14.5px; font-family: var(--font);
}
.mkt-search input::placeholder { color: var(--text-3); }
.mkt-clear {
  background: transparent; border: none; color: var(--text-3); cursor: pointer;
  font-size: 19px; line-height: 1; padding: 0 4px; border-radius: 5px; opacity: 0; pointer-events: none;
  transition: all .2s;
}
.mkt-search.has-text .mkt-clear { opacity: 1; pointer-events: auto; }
.mkt-clear:hover { color: var(--accent); }
.mkt-visit { flex-shrink: 0; height: 46px; }

.mkt-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.chip {
  padding: 7px 16px; border-radius: 100px; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-2); font-size: 13px; font-weight: 600; font-family: var(--font);
  transition: all .2s;
}
.chip:hover { color: var(--text); border-color: var(--accent-dim); }
.chip.active { background: linear-gradient(135deg, var(--accent), var(--accent-dim)); color: #fff; border-color: transparent; }

.mkt-count { font-size: 13px; color: var(--text-3); margin-bottom: 16px; }
.mkt-count b { color: var(--accent-bright); }

.mkt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.skill-card {
  display: flex; flex-direction: column; gap: 12px; padding: 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); position: relative; overflow: hidden;
  transition: transform .25s cubic-bezier(.4,0,.2,1), border-color .25s, box-shadow .25s;
  /* cards are rendered by JS, so they animate in themselves rather than via the reveal observer */
  animation: cardIn .45s cubic-bezier(.4,0,.2,1) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px) scale(.985); }
  to   { opacity: 1; transform: none; }
}
.skill-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 9%, transparent), transparent 55%);
  opacity: 0; transition: opacity .28s;
}
.skill-card:hover { transform: translateY(-4px); border-color: var(--accent-dim); box-shadow: var(--shadow-lg); }
.skill-card:hover::before { opacity: 1; }
.skill-card > * { position: relative; }

.sc-top { display: flex; gap: 12px; align-items: flex-start; }
.sc-ico {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 21px;
  background: var(--surface-3); border: 1px solid var(--border);
}
.sc-meta { flex: 1; min-width: 0; }
.sc-name { font-size: 15px; font-weight: 700; letter-spacing: -.2px; display: block; }
.sc-owner { font-size: 12px; color: var(--text-3); font-family: var(--mono); }
.sc-badge {
  display: inline-flex; align-items: center; gap: 4px; flex-shrink: 0;
  padding: 3px 9px; border-radius: 100px; font-size: 10.5px; font-weight: 700;
}
.sc-safe { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 32%, transparent); }
.sc-hold { background: color-mix(in srgb, var(--warn) 15%, transparent); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 32%, transparent); }
.sc-paid { background: color-mix(in srgb, var(--info) 15%, transparent); color: var(--info); border: 1px solid color-mix(in srgb, var(--info) 32%, transparent); }

.sc-desc { font-size: 13.5px; line-height: 1.65; color: var(--text-2); flex: 1; }
.sc-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.sc-tag {
  padding: 2px 8px; border-radius: 5px; font-size: 11px;
  background: var(--surface-3); color: var(--text-3); border: 1px solid var(--border-soft);
}
.sc-req { font-size: 11.5px; color: var(--text-3); display: flex; align-items: center; gap: 6px; }
.sc-req code { font-size: 10.5px; }

.sc-foot { display: flex; gap: 8px; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--border-soft); }
.sc-stats { display: flex; gap: 12px; font-size: 11.5px; color: var(--text-3); }
.sc-stats span { display: flex; align-items: center; gap: 3px; }
.sc-install {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 7px; cursor: pointer;
  background: var(--surface-3); border: 1px solid var(--border);
  color: var(--text-2); font-size: 11.5px; font-family: var(--mono);
  transition: all .2s; white-space: nowrap; max-width: 100%;
}
.sc-install:hover { color: var(--accent-bright); border-color: var(--accent-dim); background: var(--surface-2); }
.sc-install.done { color: var(--success); border-color: var(--success); }
.sc-install span { overflow: hidden; text-overflow: ellipsis; }

.mkt-empty { text-align: center; padding: 56px 20px; }
.mkt-empty span { font-size: 36px; display: block; margin-bottom: 12px; opacity: .5; }
.mkt-empty p { font-size: 15px; color: var(--text-2); margin-bottom: 6px; }
.mkt-empty small { font-size: 12.5px; color: var(--text-3); }

.mkt-table { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.mkt-th, .mkt-tr { display: grid; grid-template-columns: 82px 1fr; gap: 10px 14px; padding: 11px 14px; align-items: start; }
.mkt-th { background: var(--surface-2); font-size: 11.5px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: .5px; grid-template-columns: 82px 1fr; }
.mkt-th span:last-child { display: none; }
.mkt-tr { border-top: 1px solid var(--border-soft); font-size: 13px; }
.mkt-tr b { font-size: 13.5px; }
.mkt-tr span { color: var(--text-2); grid-column: 2; }
.mkt-tr code { grid-column: 2; font-size: 11.5px; }


/* ============================================
   PRICING — 会员定价
   ============================================ */
.price-card { display: flex; flex-direction: column; position: relative; padding: 30px 26px; }
.price-card.hot {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 40px color-mix(in srgb, var(--accent) 16%, transparent);
  transform: scale(1.02);
}
.price-ribbon {
  position: absolute; top: -1px; right: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 0 0 8px 8px; letter-spacing: .3px;
}
.price-head { padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.price-head > b { font-size: 15px; color: var(--text-2); font-weight: 600; }
.price {
  display: flex; align-items: baseline; gap: 2px; margin-top: 8px;
  font-size: 38px; font-weight: 800; letter-spacing: -2px; color: var(--text); line-height: 1;
}
.price em { font-style: normal; font-size: 20px; font-weight: 700; color: var(--accent-bright); }
.price span { font-size: 13px; font-weight: 500; color: var(--text-3); letter-spacing: 0; margin-left: 4px; }
.price-card .list-check { flex: 1; margin-top: 20px; }
.price-card .list-check li { font-size: 13.5px; margin-bottom: 10px; }
.price-card .list-check strong { color: var(--text); }
.price-foot { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); text-align: center; }
.price-badge {
  display: inline-block; padding: 7px 18px; border-radius: 8px;
  background: var(--surface-3); border: 1px solid var(--border);
  font-size: 12.5px; font-weight: 700; color: var(--text-3);
}
.price-badge.free { background: color-mix(in srgb, var(--success) 13%, transparent); color: var(--success); border-color: color-mix(in srgb, var(--success) 30%, transparent); }
.price-card.hot .price-badge { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent-bright); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }

@media (max-width: 900px) { .price-card.hot { transform: none; } }

/* ============================================
   FAQ
   ============================================ */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color .22s; }
.faq-item[open] { border-color: var(--accent-dim); }
.faq-item summary {
  padding: 18px 52px 18px 24px; cursor: pointer; font-weight: 600; font-size: 15.5px;
  list-style: none; position: relative; transition: background .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--surface-2); }
.faq-item summary::after {
  content: '+'; position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
  font-size: 22px; color: var(--accent); font-weight: 400; line-height: 1; transition: transform .25s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-body { padding: 0 24px 22px; animation: fadeUp .25s ease; }
.faq-body p { font-size: 14.5px; color: var(--text-2); margin-bottom: 11px; }
.faq-body p:last-child { margin-bottom: 0; }
.faq-body .code-block { margin: 14px 0; }

/* ============================================
   CTA
   ============================================ */
.cta-sec { padding: 80px 0; }
.cta-card {
  text-align: center; padding: 60px 40px; border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 70% 100% at 50% 0%, color-mix(in srgb, var(--accent) 15%, transparent), transparent),
    var(--surface);
  border: 1px solid var(--border); position: relative; overflow: hidden;
}
.cta-card::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(var(--border-soft) 1px, transparent 1px), linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 44px 44px; opacity: .3;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, #000, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, #000, transparent);
}
.cta-emo { font-size: 54px; margin-bottom: 16px; position: relative; }
.cta-card h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; position: relative; }
.cta-card > p { color: var(--text-2); font-size: 16px; margin-bottom: 30px; position: relative; }
.cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; position: relative; }
.cta-links { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; font-size: 13.5px; position: relative; }
.cta-links span { color: var(--text-3); }

/* ============================================
   FOOTER
   ============================================ */
.footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 52px 0 26px; }
.footer-inner { display: flex; gap: 40px; justify-content: space-between; flex-wrap: wrap; margin-bottom: 32px; }
.f-left { max-width: 520px; }
.f-left .muted { font-size: 13.5px; margin-top: 12px; }
.f-right { display: flex; gap: 8px; flex-wrap: wrap; align-content: flex-start; }
.f-right a { color: var(--text-3); font-size: 13.5px; padding: 5px 11px; border-radius: 7px; transition: all .2s; }
.f-right a:hover { color: var(--accent-bright); background: var(--surface-2); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; border-top: 1px solid var(--border-soft); font-size: 12.5px; color: var(--text-3); flex-wrap: wrap; gap: 12px; }
.to-top { background: transparent; border: 1px solid var(--border); color: var(--text-3); padding: 6px 14px; border-radius: 8px; cursor: pointer; font-size: 12.5px; font-family: var(--font); transition: all .2s; }
.to-top:hover { color: var(--accent); border-color: var(--accent-dim); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .nav-links.open {
    display: flex; position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 12px 20px 20px; gap: 2px; box-shadow: var(--shadow-lg); max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav-links.open a { padding: 11px 14px; font-size: 15px; }
  .chan-grid { grid-template-columns: repeat(4, 1fr); }
  .mkt-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4, .split, .req-grid, .cmd-table,
  .tool-grid, .slash-grid, .cron-ref, .dl-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 68px 0; }
  .card-lg { padding: 26px; }
  .cta-card { padding: 44px 24px; }
  .feat-num { font-size: 20px; min-width: 34px; }
  .mkt-grid { grid-template-columns: 1fr; }
  .prio-h, .prio-row { grid-template-columns: 76px 1fr; gap: 4px 12px; }
  .prio-h span:nth-child(3), .prio-h span:nth-child(4) { display: none; }
  .prio-row code, .prio-row em { grid-column: 2; }
}

@media (max-width: 600px) {
  .wrap { padding: 0 18px; }
  .hero { min-height: auto; padding: calc(var(--nav-h) + 44px) 0 60px; }
  .hero-title { letter-spacing: -1.2px; }
  .hero-cta { margin-bottom: 44px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .chan-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 56px 0; }
  .sec-head { margin-bottom: 36px; }
  .card { padding: 20px; }
  .card-lg { padding: 22px; }
  .step { gap: 12px; }
  .step-n { width: 26px; height: 26px; font-size: 13px; }
  .tab { padding: 7px 11px; font-size: 12.5px; }
  .code-block pre { padding: 14px; }
  .code-block code { font-size: 12px; }
  .opt { flex-direction: column; gap: 2px; }
  .opt b { min-width: 0; }
  .footer-inner { flex-direction: column; gap: 26px; }
  .scroll-hint { display: none; }
  .toast { right: 16px; left: 16px; width: auto; top: calc(var(--nav-h) + 10px); padding: 15px 16px; }
  .toast-ico { font-size: 21px; }
  .mkt-search { min-width: 0; height: 42px; }
  .mkt-visit { width: 100%; height: 42px; }
}

@media print {
  .nav, .hero-bg, .scroll-hint, .to-top, .progress-bar, .menu-toggle { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding: 24px 0; page-break-inside: avoid; }
  .card { border: 1px solid #ddd; }
}

/* ============================================
   支付弹窗 — 个人收款码
   ============================================ */
.modal-mask {
  position: fixed; inset: 0; z-index: 500; display: grid; place-items: center;
  background: rgba(0,0,0,.66); backdrop-filter: blur(6px); padding: 20px;
  animation: fadeIn .22s ease; overflow-y: auto;
}
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
.modal {
  width: 100%; max-width: 420px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px 28px; box-shadow: var(--shadow-lg); margin: auto;
  animation: modalIn .28s cubic-bezier(.4,0,.2,1);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(20px) scale(.97) } to { opacity: 1; transform: none } }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.modal-head b { font-size: 17px; font-weight: 800; letter-spacing: -.3px; }
.modal-x {
  width: 30px; height: 30px; border-radius: 8px; cursor: pointer; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-2); font-size: 20px; line-height: 1; padding: 0;
  display: grid; place-items: center; transition: all .2s;
}
.modal-x:hover { color: var(--error); border-color: var(--error); }

.pay-amount { text-align: center; padding: 18px; border-radius: var(--radius-sm); background: var(--surface-2); margin-bottom: 18px; border: 1px solid var(--border-soft); }
.pay-amount span { display: block; font-size: 12px; color: var(--text-3); margin-bottom: 5px; }
.pay-amount strong { display: block; font-size: 40px; font-weight: 800; letter-spacing: -2px; color: var(--accent-bright); line-height: 1; }
.pay-amount em { display: block; font-size: 13px; color: var(--text-3); font-style: normal; margin-top: 7px; }

.qr-box {
  display: grid; place-items: center; padding: 18px; margin-bottom: 16px;
  background: #fff; border-radius: var(--radius-sm); border: 1px solid var(--border);
  min-height: 190px;
}
.qr-box img { max-width: 100%; max-height: 260px; display: block; }
.qr-placeholder { text-align: center; color: #666; padding: 20px; }
.qr-ph { font-size: 38px; margin-bottom: 10px; }
.qr-placeholder p { font-size: 14px; font-weight: 600; color: #333; margin-bottom: 6px; }
.qr-placeholder small { font-size: 11.5px; color: #888; line-height: 1.6; display: block; }
.pay-contact { text-align: center; font-size: 13px; color: var(--text-2); margin-bottom: 12px; }
.pay-contact code { background: var(--surface-3); padding: 2px 8px; border-radius: 5px; color: var(--accent-bright); }
.pay-notice {
  padding: 12px 15px; border-radius: var(--radius-sm); font-size: 12.5px; line-height: 1.7;
  background: color-mix(in srgb, var(--info) 9%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--info) 24%, transparent);
  color: var(--text-2); margin-bottom: 18px;
}
.pay-step { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 11px; font-size: 13.5px; color: var(--text-2); line-height: 1.65; }
.pay-step b { color: var(--text); }
.pay-step-n {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent);
  font-size: 12px; font-weight: 700; display: grid; place-items: center;
}
.pay-label { display: block; font-size: 12.5px; font-weight: 700; color: var(--text-2); margin: 20px 0 7px; }
.pay-note-input {
  width: 100%; padding: 12px 15px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  font-size: 14.5px; font-family: var(--font); outline: none; transition: border-color .2s;
}
.pay-note-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); }
.pay-note-input:disabled { opacity: .6; }
.pay-note-status { font-size: 13px; min-height: 20px; margin-top: 9px; }
.pay-submit {
  width: 100%; margin-top: 12px; padding: 13px; border-radius: var(--radius-sm); border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim)); color: #fff;
  font-size: 15px; font-weight: 700; font-family: var(--font); transition: all .2s;
}
.pay-submit:hover:not(:disabled) { transform: translateY(-2px); }
.pay-submit:disabled { opacity: .55; cursor: not-allowed; }
.pay-later {
  width: 100%; margin-top: 9px; padding: 11px; border-radius: var(--radius-sm); cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
  font-size: 13.5px; font-weight: 600; font-family: var(--font); transition: all .2s;
}
.pay-later:hover { color: var(--text); }
.pay-order-no { text-align: center; font-size: 11.5px; color: var(--text-3); margin-top: 16px; }
.pay-order-no code { font-family: var(--mono); }

.retry-btn {
  padding: 5px 11px; border-radius: 7px; cursor: pointer; white-space: nowrap;
  background: color-mix(in srgb, var(--accent) 13%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  color: var(--accent); font-size: 12px; font-weight: 700; font-family: var(--font); transition: all .2s;
}
.retry-btn:hover { background: var(--accent); color: #fff; }
.st-mute { color: var(--text-3); }

@media (max-width: 600px) {
  .modal { padding: 22px 20px; max-height: 90vh; overflow-y: auto; }
  .pay-amount strong { font-size: 34px; }
}

/* 导航里的免费入口高亮 */
.nav-links a.nav-free {
  color: var(--success);
  background: color-mix(in srgb, var(--success) 11%, transparent);
}
.nav-links a.nav-free:hover { color: var(--success); border-color: color-mix(in srgb, var(--success) 34%, transparent); }