/* ==========================================================================
   HuHoBot Penguin 下载站 — 白色 + 绿色 · 像素风格
   ========================================================================== */

:root {
  /* 色板：白 + 绿 */
  --white:      #ffffff;
  --paper:      #f3fbf6;
  --paper-2:    #e7f7ed;
  --ink:        #0b2e17;
  --ink-2:      #2c6644;
  --ink-3:      #5a8f74;
  --green:      #16a34a;
  --green-2:    #22c55e;
  --green-dark: #0f7a37;
  --green-deep: #14532d;
  --green-pale: #d6f5e2;
  --green-line: #9fe0b8;
  --amber:      #d97706;
  --amber-pale: #fef3c7;

  /* 像素风：一律直角 + 硬阴影 */
  --bw: 3px;
  --shadow: 5px 5px 0 var(--green-deep);
  --shadow-sm: 3px 3px 0 var(--green-deep);
  --shadow-green: 5px 5px 0 var(--green);

  --font-pixel: "Fusion Pixel 12px Proportional SC", "Fusion Pixel 12px Proportional",
                "Silkscreen", "Zpix", "Press Start 2P", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-mono: "Fusion Pixel 12px Monospaced SC", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --wrap: 1160px;
}

* { box-sizing: border-box; }

/* 锚点跳转时给吸顶导航留出空间 */
html { scroll-behavior: smooth; scroll-padding-top: 78px; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-pixel);
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: none;
  font-smooth: never;
  image-rendering: pixelated;
  text-rendering: optimizeSpeed;
  overflow-x: hidden;
}

/* 像素网格背景 */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 163, 74, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 163, 74, .055) 1px, transparent 1px);
  background-size: 16px 16px;
}

main, .site-header, .site-footer { position: relative; z-index: 1; }

.wrap { width: min(var(--wrap), calc(100% - 40px)); margin-inline: auto; }

code {
  font-family: var(--font-mono);
  font-size: .92em;
  background: var(--green-pale);
  border: 2px solid var(--green-line);
  padding: 0 5px;
  color: var(--green-deep);
  white-space: nowrap;
}

a { color: var(--green-dark); }

/* ============================ 顶栏 ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: var(--bw) solid var(--green-deep);
  box-shadow: 0 3px 0 var(--green-pale);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 62px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}
.brand-logo {
  width: 30px;
  height: 30px;
  display: block;
  flex-shrink: 0;
  /* logo 是平滑插画，禁用全局的 pixelated 缩放 */
  image-rendering: auto;
}
.brand-text {
  font-family: "Silkscreen", var(--font-pixel);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .5px;
}
.brand-accent { color: var(--green); margin-left: 4px; }

.nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav a {
  text-decoration: none;
  color: var(--ink-2);
  padding: 6px 12px;
  border: 2px solid transparent;
  font-size: 14px;
}
.nav a:hover {
  color: var(--green-deep);
  background: var(--green-pale);
  border-color: var(--green-line);
}

/* ============================ 按钮 ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-pixel);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  padding: 10px 18px;
  border: var(--bw) solid var(--green-deep);
  background: var(--white);
  color: var(--green-deep);
  box-shadow: var(--shadow-sm);
  transition: none;
  white-space: nowrap;
  user-select: none;
}
.btn:hover { background: var(--green-pale); }
.btn:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--green-deep);
}
.btn-sm { padding: 6px 12px; font-size: 13px; box-shadow: 2px 2px 0 var(--green-deep); }
.btn-sm:active { transform: translate(2px, 2px); }
.btn-xl { padding: 16px 28px; font-size: 17px; box-shadow: var(--shadow); }
.btn-xl:active { transform: translate(5px, 5px); }

.btn-primary { background: var(--green); color: var(--white); }
.btn-primary:hover { background: var(--green-2); }

.btn-ghost { background: var(--white); color: var(--green-deep); }
.btn-ghost:hover { background: var(--green-pale); }

.btn-addon { background: var(--green-deep); color: var(--white); }
.btn-addon:hover { background: var(--green-dark); }
.btn-addon .dot {
  width: 8px; height: 8px;
  background: var(--green-2);
  display: inline-block;
  animation: blink 1.2s steps(2, start) infinite;
}
@keyframes blink { 0%,100% { opacity: 1 } 50% { opacity: .15 } }

/* ============================ Hero ============================ */
.hero {
  padding: 72px 0 60px;
  background:
    radial-gradient(circle at 12% 18%, var(--green-pale) 0, transparent 42%),
    var(--white);
  border-bottom: var(--bw) solid var(--green-deep);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 52px;
  align-items: center;
}
.hero-logo {
  width: 88px;
  height: 88px;
  display: block;
  margin-bottom: 18px;
  image-rendering: auto;
  filter: drop-shadow(4px 4px 0 var(--green-pale));
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  letter-spacing: 2px;
  margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.32;
  margin: 0 0 20px;
  letter-spacing: 1px;
  color: var(--green-deep);
}
.lede {
  font-size: 15px;
  color: var(--ink-2);
  margin: 0 0 28px;
  max-width: 56ch;
}
.lede strong { color: var(--green-dark); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }

.hero-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding: 0;
  margin: 0;
  border-top: 2px dashed var(--green-line);
  padding-top: 20px;
}
.hero-facts li { font-size: 13px; color: var(--ink-3); }
.hero-facts b {
  font-family: "Silkscreen", var(--font-pixel);
  font-size: 19px;
  color: var(--green);
  margin-right: 5px;
}

/* 终端像素卡（Mac 风格窗口） */
.pixel-card {
  border: var(--bw) solid var(--green-deep);
  background: var(--green-deep);
  box-shadow: var(--shadow);
}
.pixel-card-bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 11px;
  border-bottom: var(--bw) solid var(--green-deep);
  background: var(--green-pale);
}
.dot { width: 11px; height: 11px; flex: none; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }

.card-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  white-space: nowrap;
  pointer-events: none;
}

/* 终端主体：固定高度 + 程序化滚动，旧行向上滚出 */
.term { background: var(--green-deep); }
.term-body {
  height: 380px;
  overflow: hidden;
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  color: #eaf7f0;
  scrollbar-width: none;
}
.term-body::-webkit-scrollbar { display: none; }
.term-line { white-space: pre-wrap; word-break: break-word; }

/* 语义配色（沿用本站白+绿像素风） */
.t-prompt    { color: var(--green-2); font-weight: 700; }  /* shell $ */
.t-input     { color: #7dd3fc; }                           /* 用户输入的命令 */
.t-time      { color: #fbbf24; }                           /* [xx:xx:xx INFO]: */
.t-plugin    { color: var(--green-2); font-weight: 700; }  /* [HuHoBotPenguin] */
.t-text      { color: #eaf7f0; }                           /* 正文 */
.t-loading   { color: #9db8a8; }                           /* 早期加载提示 */
.t-done      { color: #4ade80; font-weight: 700; }         /* 成功提示 */
.t-mc-prompt { color: var(--white); font-weight: 700; }    /* 服务端 > 提示符 */

/* 下划线光标 */
.term-caret {
  display: inline-block;
  width: 9px;
  height: 3px;
  margin-left: 3px;
  background: var(--green-2);
  vertical-align: baseline;
  animation: blink 1.05s steps(2, start) infinite;
}
.t-mc-prompt + .term-caret { background: var(--white); }

/* ============================ 区块 ============================ */
.section { padding: 70px 0; }
.section-alt {
  background: var(--paper);
  border-top: var(--bw) solid var(--green-deep);
  border-bottom: var(--bw) solid var(--green-deep);
}
.section-title {
  font-size: clamp(21px, 2.6vw, 28px);
  margin: 0 0 12px;
  color: var(--green-deep);
  letter-spacing: 1px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.section-title .hash { color: var(--green-2); font-family: var(--font-mono); }
.section-sub {
  margin: 0 0 34px;
  color: var(--ink-2);
  max-width: 78ch;
  font-size: 14.5px;
}

/* ============================ 功能网格 ============================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 18px;
}
.feature {
  background: var(--white);
  border: var(--bw) solid var(--green-deep);
  padding: 20px 18px;
  box-shadow: var(--shadow-sm);
}
.feature-icon {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--green-pale);
  border: 2px solid var(--green-dark);
  color: var(--green-dark);
  font-size: 18px;
  margin-bottom: 12px;
}
.feature h3 {
  margin: 0 0 7px;
  font-size: 15px;
  color: var(--green-deep);
}
.feature p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.8;
}

/* ============================ 表格 ============================ */
.table-scroll { overflow-x: auto; border: var(--bw) solid var(--green-deep); box-shadow: var(--shadow); }
.pixel-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 14px;
  min-width: 640px;
}
.pixel-table th {
  background: var(--green-deep);
  color: var(--white);
  text-align: left;
  padding: 12px 15px;
  font-weight: 700;
  white-space: nowrap;
  border-right: 2px solid var(--green-dark);
}
.pixel-table th:last-child { border-right: 0; }
.pixel-table td {
  padding: 11px 15px;
  border-bottom: 2px solid var(--green-pale);
  border-right: 2px solid var(--green-pale);
  color: var(--ink-2);
}
.pixel-table td:last-child { border-right: 0; }
.pixel-table tbody tr:last-child td { border-bottom: 0; }
.pixel-table tbody tr:hover td { background: var(--paper-2); }

/* ============================ 工具条 ============================ */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.toolbar-status {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.toolbar-status.is-error { color: #b91c1c; }
.toolbar-status.is-ok { color: var(--green-dark); }
.spinner {
  width: 12px; height: 12px;
  background: var(--green);
  display: inline-block;
  animation: blink 1s steps(2, start) infinite;
}

/* ============================ 仓库卡片 ============================ */
.repo-list { display: flex; flex-direction: column; gap: 26px; }

.repo-card {
  border: var(--bw) solid var(--green-deep);
  background: var(--white);
  box-shadow: var(--shadow);
  /* 入场动画交给 motion.js 的滚动揭示系统，避免两套动画互相覆盖 */
}

.repo-card[data-featured="true"] { border-color: var(--green); box-shadow: var(--shadow-green); }

.repo-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  background: var(--paper);
  border-bottom: var(--bw) solid var(--green-deep);
  flex-wrap: wrap;
}
.repo-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.repo-name {
  margin: 0;
  font-size: 18px;
  color: var(--green-deep);
  font-family: var(--font-mono);
  letter-spacing: .5px;
}
.repo-role {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 9px;
  border: 2px solid var(--green-deep);
  background: var(--green-pale);
  color: var(--green-deep);
  white-space: nowrap;
}
.repo-card[data-featured="true"] .repo-role { background: var(--green); color: var(--white); border-color: var(--green-deep); }
.repo-role[data-warn="true"] { background: var(--amber-pale); border-color: var(--amber); color: #92400e; }

.repo-tagline {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--ink-2);
}
.repo-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.chip {
  font-size: 11.5px;
  padding: 3px 9px;
  border: 2px solid var(--green-line);
  background: var(--white);
  color: var(--ink-2);
  white-space: nowrap;
}
.chip-ver {
  border-color: var(--green-dark);
  background: var(--green-deep);
  color: var(--white);
  font-family: var(--font-mono);
}

.repo-recommend {
  margin-left: auto;
  align-self: center;
  font-size: 12.5px;
  color: var(--green-dark);
  border-left: var(--bw) solid var(--green-2);
  padding-left: 12px;
  max-width: 240px;
  line-height: 1.7;
}

.repo-body { padding: 20px 22px 22px; }
.repo-intro {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--ink-2);
  max-width: 92ch;
}

.asset-list { display: flex; flex-direction: column; gap: 10px; }

.asset {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 13px 15px;
  border: 2px solid var(--green-line);
  background: var(--paper);
}
.asset:hover { border-color: var(--green); background: var(--paper-2); }

.asset-info { min-width: 0; }
.asset-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 3px;
}
.asset-file {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink);
  word-break: break-all;
  line-height: 1.6;
}
.asset-stats {
  font-size: 11.5px;
  color: var(--ink-3);
  margin-top: 4px;
  font-family: var(--font-mono);
}
.asset-actions { display: flex; gap: 8px; flex-shrink: 0; }
.asset-actions .btn { font-size: 12.5px; padding: 8px 13px; box-shadow: 2px 2px 0 var(--green-deep); }
.asset-actions .btn:active { transform: translate(2px, 2px); box-shadow: 0 0 0; }
.asset-actions .btn[data-primary="true"] { background: var(--green); color: var(--white); }
.asset-actions .btn[data-primary="true"]:hover { background: var(--green-2); }
.asset-actions .btn[data-primary="false"] { background: var(--white); color: var(--green-deep); }
.asset-actions .btn[data-primary="false"]:hover { background: var(--green-pale); }

.repo-foot {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 2px dashed var(--green-line);
  font-size: 12.5px;
  color: var(--ink-3);
}
.repo-foot a { font-size: 12.5px; }

.notes-toggle {
  background: none;
  border: 0;
  padding: 0;
  color: var(--green-dark);
  cursor: pointer;
  font-family: var(--font-pixel);
  font-size: 12.5px;
  text-decoration: underline;
}
.release-notes {
  margin-top: 14px;
  border: 2px solid var(--green-line);
  background: var(--white);
  padding: 14px 16px;
  font-size: 13px;
  color: var(--ink-2);
  white-space: pre-wrap;
  max-height: 320px;
  overflow: auto;
  line-height: 1.8;
}
.release-notes[hidden] { display: none; }

/* 空 / 错误状态 */
.notice {
  border: var(--bw) solid var(--green-deep);
  padding: 18px 20px;
  background: var(--white);
  font-size: 14px;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}
.notice-warn { background: var(--amber-pale); border-color: var(--amber); color: #7c2d12; }
.notice a { color: inherit; }

.skeleton {
  border: var(--bw) solid var(--green-line);
  background: var(--white);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.skeleton-line {
  height: 12px;
  background: var(--green-pale);
  margin-bottom: 12px;
  animation: blink 1.1s steps(2, start) infinite;
}
.skeleton-line:nth-child(1) { width: 34%; }
.skeleton-line:nth-child(2) { width: 72%; }
.skeleton-line:nth-child(3) { width: 55%; }

/* ============================ Addon CTA ============================ */
.section-addon {
  background:
    repeating-linear-gradient(45deg, var(--green-pale) 0 12px, var(--paper-2) 12px 24px);
  border-top: var(--bw) solid var(--green-deep);
}
.addon-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}
.addon-copy .section-sub { margin-bottom: 24px; }
.pixel-block {
  border: var(--bw) solid var(--green-deep);
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 30px 34px;
  font-family: "Silkscreen", var(--font-pixel);
  font-size: 26px;
  color: var(--green);
  letter-spacing: 4px;
}

/* ============================ FAQ ============================ */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq details {
  border: var(--bw) solid var(--green-deep);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.faq summary {
  cursor: pointer;
  padding: 15px 18px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--green-deep);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "▸";
  color: var(--green-2);
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.faq details[open] summary::before { content: "▾"; }
.faq details[open] summary { border-bottom: 2px solid var(--green-pale); }
.faq p {
  margin: 0;
  padding: 15px 18px 18px;
  font-size: 13.5px;
  color: var(--ink-2);
}

/* ============================ 页脚 ============================ */
.site-footer {
  background: var(--green-deep);
  color: #b9e2c9;
  padding: 44px 0 34px;
  border-top: var(--bw) solid var(--green);
}
.footer-inner { display: flex; flex-direction: column; gap: 20px; }
.footer-brand .brand-text { color: var(--white); font-size: 17px; }
.footer-logo {
  width: 34px;
  height: 34px;
  display: block;
  margin-bottom: 10px;
  image-rendering: auto;
}
.footer-brand p { margin: 8px 0 0; font-size: 13px; color: #8fc9a8; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--green-2); text-decoration: none; font-size: 13.5px; }
.footer-links a:hover { color: var(--white); text-decoration: underline; }
.footer-note {
  margin: 0;
  font-size: 12.5px;
  color: #8fc9a8;
  border-top: 2px solid #1f6b3f;
  padding-top: 18px;
  line-height: 1.9;
}
.footer-note code {
  background: #0e3d22;
  border-color: #1f6b3f;
  color: var(--green-2);
}

/* ============================ 互动动效 ============================ */

/* --- 顶部滚动进度条 --- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--green-2), var(--green));
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 60;
  pointer-events: none;
}

/* --- 顶栏滚动态：压低高度 + 加深投影 --- */
.header-inner { transition: height .18s steps(4, end); }
.site-header { transition: box-shadow .18s steps(4, end); }
.site-header.is-scrolled { box-shadow: 0 3px 0 var(--green-pale), 0 7px 0 rgba(20, 83, 45, .12); }
.site-header.is-scrolled .header-inner { height: 54px; }

/* --- 导航 scrollspy：底部像素下划线 --- */
.nav a { position: relative; }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -5px;
  height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .18s steps(3, end);
}
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--green-dark); }
.nav a:hover { color: var(--green-dark); }

/* --- 滚动揭示 --- */
.rv {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .42s steps(7, end), transform .42s steps(7, end);
}
.rv.is-in { opacity: 1; transform: none; }

/* --- 卡片悬停：向左上抬升，硬阴影同步变长 --- */
.repo-card {
  transition: transform .14s steps(3, end), box-shadow .14s steps(3, end);
}
.repo-card:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--green-deep); }
.repo-card[data-featured="true"]:hover { box-shadow: 9px 9px 0 var(--green); }

.feature {
  transition: transform .14s steps(3, end), box-shadow .14s steps(3, end);
}
.feature:hover { transform: translate(-3px, -3px); box-shadow: 7px 7px 0 var(--green-deep); }
.feature:hover .feature-icon { background: var(--green); color: var(--white); border-color: var(--green-deep); }
.feature-icon { transition: background .14s steps(3, end), color .14s steps(3, end), border-color .14s steps(3, end); }

/* --- 平台表：行悬停 --- */
.pixel-table tbody tr { transition: background .12s steps(2, end); }
.pixel-table tbody tr:hover { background: var(--green-pale); }

/* --- Hero logo：轻微浮动 + 悬停摆动 --- */
.hero-logo { animation: logo-float 3.6s steps(12, end) infinite; }
@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}
.brand-logo { transition: transform .16s steps(3, end); }
.brand:hover .brand-logo { transform: rotate(-9deg) scale(1.1); }

/* --- 附属插件按钮：呼吸脉冲 --- */
.btn-addon .dot { animation: dot-pulse 1.8s steps(6, end) infinite; }
@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .35; transform: scale(.7); }
}

/* --- 统计数字 --- */
.hero-facts b { display: inline-block; min-width: 1.1em; }

/* --- 回到顶部 --- */
.to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--green);
  color: var(--white);
  border: var(--bw) solid var(--green-deep);
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  z-index: 55;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity .2s steps(4, end), transform .2s steps(4, end), background .14s steps(2, end);
}
.to-top.is-shown { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--green-2); }
.to-top:active { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--green-deep); }

/* --- 提示条 --- */
.toast-host {
  position: fixed;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 70;
  pointer-events: none;
}
.toast {
  max-width: min(86vw, 460px);
  padding: 10px 16px;
  background: var(--green-deep);
  color: var(--white);
  border: var(--bw) solid var(--green-2);
  font-size: 13px;
  box-shadow: 4px 4px 0 rgba(20, 83, 45, .3);
  animation: toast-in .22s steps(5, end) both;
  word-break: break-all;
}
.toast.is-out { animation: toast-out .4s steps(6, end) both; }
@keyframes toast-in  { from { opacity: 0; transform: translateY(14px) } to { opacity: 1; transform: none } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-10px) } }

/* --- 下载点击的像素粒子 --- */
.spark {
  position: fixed;
  width: 6px; height: 6px;
  background: var(--green-2);
  pointer-events: none;
  z-index: 90;
  animation: spark-fly .62s steps(8, end) forwards;
}
@keyframes spark-fly {
  from { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  to   { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(0); opacity: 0; }
}

/* --- FAQ 展开 --- */
.faq p.faq-in { animation: faq-in .3s steps(6, end) both; }
@keyframes faq-in { from { opacity: 0; transform: translateY(-8px) } to { opacity: 1; transform: none } }
.faq summary { transition: color .14s steps(2, end); }
.faq summary:hover { color: var(--green); }

/* --- 无障碍：偏好减少动效时全部降级 --- */
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .hero-logo, .btn-addon .dot { animation: none; }
  .repo-card:hover, .feature:hover { transform: none; }
  .to-top { transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================ 响应式 ============================ */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .addon-inner { grid-template-columns: 1fr; }
  .nav { display: none; }
  .repo-recommend { margin-left: 0; align-self: flex-start; max-width: none; }
}

@media (max-width: 620px) {
  .wrap { width: calc(100% - 26px); }
  .hero { padding: 48px 0 44px; }
  .section { padding: 50px 0; }
  .asset { grid-template-columns: 1fr; }
  .asset-actions { flex-wrap: wrap; }
  .asset-actions .btn { flex: 1 1 auto; }
  .repo-head { padding: 16px; }
  .repo-body { padding: 16px; }
  .brand-text { font-size: 13px; }
  .term-body { height: 300px; padding: 14px; font-size: 11.5px; }
  .card-title { display: none; }
  .to-top { right: 14px; bottom: 14px; width: 40px; height: 40px; font-size: 17px; }
  .toast-host { bottom: 16px; }
  .hero-logo { width: 68px; height: 68px; }
}