/**
 * Simple Content — COME 蓝主色深色风
 * 主色参考 https://web-in.cometostory.com/en ：accent-blue #00BBFF、dark #101219、surface #181D29
 */
:root {
  --sc-bg: #101219;
  --sc-bg-2: #131720;
  --sc-bg-deep: #0a0c11;
  --sc-surface: #181d29;
  --sc-surface-2: #2a3546;
  --sc-ink: #f4f7fb;
  --sc-muted: #9aa3b5;
  --sc-body-text: #b6bfcf;
  --sc-lede-text: #d7e0ef;
  --sc-h4: #e8eef8;
  --sc-line: rgba(244, 247, 251, 0.1);
  --sc-line-strong: rgba(244, 247, 251, 0.16);
  /* COME accent-blue */
  --sc-blue: #00bbff;
  --sc-blue-2: #33c9ff;
  --sc-blue-deep: #0081c3;
  --sc-blue-soft: rgba(0, 187, 255, 0.12);
  --sc-tag: #3e4f68;
  --sc-radius: 12px;
  --sc-header-h: 72px;
  --sc-article-max: 42rem;
  --sc-glow-1: rgba(0, 187, 255, 0.16);
  --sc-glow-2: rgba(0, 129, 195, 0.18);
  --sc-glow-3: rgba(0, 187, 255, 0.06);
  --sc-img-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  --sc-footer-bg: rgba(10, 12, 17, 0.94);
  --sc-dock-bg: linear-gradient(
    180deg,
    rgba(16, 18, 25, 0.72) 0%,
    rgba(13, 17, 26, 0.96) 40%,
    #0a0c11 100%
  );
  /* 内容带背景（非整页铺色） */
  --sc-band-lead: rgba(24, 29, 41, 0.96);
  --sc-band-a: rgba(30, 36, 50, 0.88);
  --sc-band-b: rgba(0, 187, 255, 0.08);
  --sc-band-border: var(--sc-line);
  --sc-header-bg: rgba(16, 18, 25, 0.92);
  --sc-mobile-panel-bg: rgba(16, 18, 25, 0.98);
  --sc-nav-backdrop: rgba(4, 8, 14, 0.72);
  --sc-nav-hover-bg: rgba(246, 239, 228, 0.05);
  --font-display: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --font-body: "DM Sans", "Segoe UI", system-ui, sans-serif;

  /* 兼容旧变量名（组件/样式里仍可能引用） */
  --sc-saffron: var(--sc-blue);
  --sc-saffron-2: var(--sc-blue-2);
  --sc-gold: var(--sc-blue-2);
  --sc-maroon: #0e2c3b;
  --sc-indigo: #181d29;

  --ink: var(--sc-ink);
  --text: var(--sc-ink);
  --muted: var(--sc-muted);
  --accent: var(--sc-blue);
  --panel: var(--sc-surface);
  --radius-base: var(--sc-radius);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--sc-ink);
  background:
    radial-gradient(ellipse 65% 42% at 100% -8%, var(--sc-glow-1), transparent 55%),
    radial-gradient(ellipse 50% 38% at -8% 18%, var(--sc-glow-2), transparent 52%),
    radial-gradient(ellipse 40% 28% at 72% 92%, var(--sc-glow-3), transparent 45%),
    linear-gradient(180deg, var(--sc-bg-2) 0%, var(--sc-bg) 42%, var(--sc-bg-deep) 100%);
  background-attachment: fixed;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.7;
  overflow-x: hidden;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.18;
  color: var(--sc-ink);
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.narrow {
  width: min(var(--sc-article-max), calc(100% - 2rem));
  margin-inline: auto;
}

.section {
  padding: clamp(2.25rem, 5vw, 3.75rem) 0;
}

/* —— Page shell —— */
.sc-page {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 100vh;
}

.sc-page-body {
  flex: 1;
}

main#main {
  min-height: 48vh;
}

main#main > .section:first-child {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

/* 文章栏：不再整页一块大底色，背景交给内容带 / panel / 图片外框 */
main#main > .section .narrow.sc-article,
main#main > .section .narrow {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

body[data-theme="simple-content"] .portable--banded {
  display: grid;
  gap: 1rem;
}

body[data-theme="simple-content"] .sc-content-band {
  display: grid;
  gap: 1rem;
  padding: clamp(1.15rem, 3vw, 1.75rem) clamp(1.1rem, 3vw, 1.85rem);
  border-radius: calc(var(--sc-radius) + 2px);
  border: 1px solid var(--sc-band-border);
  background: var(--sc-band-a);
  position: relative;
  overflow: hidden;
}

body[data-theme="simple-content"] .sc-content-band.is-lead {
  background: var(--sc-band-lead);
  border-color: var(--sc-line-strong);
  box-shadow: var(--sc-band-lead-shadow, 0 14px 36px rgba(0, 0, 0, 0.22));
}

body[data-theme="simple-content"] .sc-content-band.is-lead::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sc-blue), var(--sc-blue-2), transparent 85%);
}

body[data-theme="simple-content"] .sc-content-band.is-a {
  background: var(--sc-band-a);
}

body[data-theme="simple-content"] .sc-content-band.is-b {
  background: var(--sc-band-b);
  border-color: var(--sc-band-b-border, rgba(0, 187, 255, 0.28));
  box-shadow: var(--sc-band-b-shadow, none);
}

body[data-theme="simple-content"] .sc-content-band.is-b::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--sc-blue), var(--sc-blue-2));
}

body[data-theme="simple-content"] .sc-content-band > :first-child {
  margin-top: 0;
}

/* —— Buttons —— */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.65rem 1.2rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.button:active {
  transform: translateY(1px);
}

.button:focus-visible,
.sc-nav a:focus-visible,
.sc-brand:focus-visible,
.sc-menu:focus-visible {
  outline: 2px solid var(--sc-saffron);
  outline-offset: 3px;
}

.button-primary {
  background: linear-gradient(135deg, var(--sc-blue) 0%, #1ac3ff 55%, var(--sc-blue-2) 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 187, 255, 0.32);
}

.button-primary:hover {
  background: linear-gradient(135deg, var(--sc-blue-2) 0%, #66d4ff 100%);
}

/* —— Header：移动端品牌左、菜单按钮最右 —— */
.sc-header {
  position: sticky;
  top: 0;
  z-index: 60;
  min-height: var(--sc-header-h);
  border-bottom: 1px solid var(--sc-line);
  background: var(--sc-header-bg);
  backdrop-filter: blur(14px) saturate(1.1);
}

.sc-header-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: var(--sc-header-h);
}

.sc-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  /* 吃掉中间空间，把后续控件（含菜单）顶到右侧 */
  flex: 1 1 auto;
}

.sc-brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(51, 201, 255, 0.35);
  flex-shrink: 0;
}

.sc-brand strong {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--sc-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(58vw, 14rem);
}

.sc-nav {
  display: none;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.15rem 0.25rem;
  flex: 1 1 auto;
}

.sc-nav a {
  position: relative;
  color: var(--sc-muted);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}

.sc-nav a:hover {
  color: var(--sc-gold);
  background: var(--sc-nav-hover-bg);
}

.sc-nav a[aria-current="page"] {
  color: var(--sc-gold);
  background: rgba(0, 187, 255, 0.12);
}

.sc-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.28rem;
  height: 2px;
  border-radius: 2px;
  background: var(--sc-saffron);
}

.sc-header-cta {
  display: none;
  flex-shrink: 0;
}

/* 导航 / 底部 Download APK：跟随 Come logo 彩虹渐变（青→绿→黄→橙） */
body[data-theme="simple-content"] .sc-header-cta,
body[data-theme="simple-content"] .sc-mobile-cta,
body[data-theme="simple-content"] .sc-download-dock-btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.22) 0%,
      rgba(255, 255, 255, 0.05) 36%,
      rgba(0, 0, 0, 0.08) 100%
    ),
    linear-gradient(
      95deg,
      #00bbff 0%,
      #1ec8ff 38%,
      #2fd15c 58%,
      #8fd92a 100%,
 
    );
  box-shadow:
    0 10px 26px rgba(0, 160, 200, 0.28),
    0 8px 22px rgba(255, 140, 40, 0.18),
    0 2px 0 rgba(255, 255, 255, 0.16) inset,
    0 -1px 0 rgba(0, 0, 0, 0.18) inset;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    filter 0.18s ease,
    background 0.18s ease;
}

body[data-theme="simple-content"] .sc-header-cta:hover,
body[data-theme="simple-content"] .sc-mobile-cta:hover,
body[data-theme="simple-content"] .sc-download-dock-btn:hover {
  filter: brightness(1.06) saturate(1.08);
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.28) 0%,
      rgba(255, 255, 255, 0.06) 38%,
      rgba(0, 0, 0, 0.06) 100%
    ),
    linear-gradient(
      95deg,
      #00bbff 0%,
      #1ec8ff 38%,
      #2fd15c 58%,
      #8fd92a 100%,
    );
  box-shadow:
    0 14px 32px rgba(0, 187, 255, 0.32),
    0 10px 26px rgba(255, 154, 40, 0.22),
    0 2px 0 rgba(255, 255, 255, 0.2) inset,
    0 -1px 0 rgba(0, 0, 0, 0.14) inset;
}

body[data-theme="simple-content"] .sc-header-cta:active,
body[data-theme="simple-content"] .sc-mobile-cta:active,
body[data-theme="simple-content"] .sc-download-dock-btn:active {
  transform: translateY(1px);
  filter: brightness(0.97);
}

/* 汉堡菜单：始终在 flex 行最右（移动端可见） */
.sc-menu {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  flex-shrink: 0;
  padding: 10px;
  border: 1px solid var(--sc-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  order: 10;
}

.sc-menu span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--sc-gold);
  border-radius: 2px;
}

.sc-mobile-panel {
  position: fixed;
  z-index: 55;
  top: var(--sc-nav-top, var(--sc-header-h));
  left: 0;
  right: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  border-top: 1px solid var(--sc-line);
  border-bottom: 1px solid var(--sc-line);
  background: var(--sc-mobile-panel-bg);
  padding: 0.75rem 0 1.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(12px);
}

.sc-mobile-panel[hidden] {
  display: none !important;
}

/* 导航蒙板：点空白处关闭；site.js 挂到 body 避免 sticky 裁切 */
.sc-nav-backdrop {
  position: fixed;
  top: var(--sc-nav-top, var(--sc-header-h));
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 54;
  background: var(--sc-nav-backdrop);
  opacity: 0;
  pointer-events: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.2s ease;
}

.sc-nav-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.sc-nav-backdrop[hidden] {
  display: none !important;
}

html.t2-nav-open body[data-theme="simple-content"],
body[data-theme="simple-content"].t2-nav-open {
  overflow: hidden;
}

.sc-mobile-links {
  display: grid;
  gap: 0.2rem;
}

.sc-mobile-links > a:not(.button) {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0.15rem;
  color: var(--sc-ink);
  font-weight: 600;
  border-bottom: 1px solid var(--sc-line);
}

.sc-mobile-links > a:not(.button)[aria-current="page"] {
  color: var(--sc-gold);
}

.sc-mobile-links > a:not(.button) span {
  color: var(--sc-saffron);
}

.sc-mobile-links > a.button.sc-mobile-cta {
  display: inline-flex;
  margin-top: 0.9rem;
  width: 100%;
  box-sizing: border-box;
  border-bottom: none;
}

@media (min-width: 880px) {
  .sc-header-inner {
    gap: 1rem;
  }

  .sc-brand {
    flex: 0 1 auto;
  }

  .sc-brand strong {
    max-width: min(28vw, 16rem);
  }

  .sc-nav {
    display: flex;
  }

  .sc-header-cta {
    display: inline-flex;
  }

  .sc-menu {
    display: none;
  }

  .sc-mobile-panel,
  .sc-nav-backdrop {
    display: none !important;
  }
}

/* —— Portable Text（Simple Content 强化阅读样式） —— */
body[data-theme="simple-content"] .portable {
  display: grid;
  gap: 1.15rem;
}

body[data-theme="simple-content"] .portable :is(p, li, blockquote) {
  margin: 0;
  color: var(--sc-body-text);
  font-size: 1.08rem;
  line-height: 1.8;
}

body[data-theme="simple-content"] .portable p {
  text-wrap: pretty;
}

/* 标题后第一段略放大，作导语 */
body[data-theme="simple-content"] .portable > h1:first-child + p,
body[data-theme="simple-content"] .portable > h2:first-child + p {
  font-size: 1.16rem;
  color: var(--sc-lede-text);
  line-height: 1.75;
}

body[data-theme="simple-content"] .portable strong {
  color: var(--sc-ink);
  font-weight: 700;
}

body[data-theme="simple-content"] .portable em {
  font-style: italic;
  color: var(--sc-lede-text);
}

body[data-theme="simple-content"] .portable h1,
body[data-theme="simple-content"] .portable h2,
body[data-theme="simple-content"] .portable h3,
body[data-theme="simple-content"] .portable h4 {
  margin: 0.95rem 0 0;
  color: var(--sc-ink);
  scroll-margin-top: calc(var(--sc-header-h) + 0.75rem);
}

body[data-theme="simple-content"] .portable > :first-child {
  margin-top: 0;
}

body[data-theme="simple-content"] .portable > h1:first-child {
  font-size: clamp(2.05rem, 5.2vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.2rem;
  padding-bottom: 1.05rem;
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(
      90deg,
      rgba(0, 187, 255, 0.75),
      rgba(51, 201, 255, 0.2),
      transparent 85%
    )
    1;
}

body[data-theme="simple-content"] .portable h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

body[data-theme="simple-content"] .portable h2 {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  margin-top: 1.7rem;
  padding-top: 0.35rem;
}

body[data-theme="simple-content"] .portable h2::before {
  content: "";
  display: block;
  width: 2.25rem;
  height: 2px;
  margin-bottom: 0.7rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--sc-saffron), transparent);
}

body[data-theme="simple-content"] .portable h3 {
  font-size: 1.24rem;
  margin-top: 1.35rem;
  color: var(--sc-gold);
}

body[data-theme="simple-content"] .portable h4 {
  font-size: 1.08rem;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--sc-h4);
}

body[data-theme="simple-content"] .portable a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin: 0.15rem 0.2rem 0.15rem 0;
  padding: 0.45rem 0.95rem;
  min-height: 2.35rem;
  border-radius: 10px;
  border: 1px solid transparent;
  /* 默认即用原 hover/点击态：白字 + 实心蓝 */
  background: linear-gradient(135deg, var(--sc-blue) 0%, #1ac3ff 55%, var(--sc-blue-2) 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95em;
  line-height: 1.2;
  text-decoration: none;
  text-underline-offset: unset;
  box-shadow: 0 8px 22px rgba(0, 187, 255, 0.3);
  transition:
    color 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

body[data-theme="simple-content"] .portable a:hover {
  color: #ffffff;
  background: linear-gradient(135deg, var(--sc-blue-2) 0%, #66d4ff 100%);
  box-shadow: 0 10px 26px rgba(0, 187, 255, 0.38);
}

body[data-theme="simple-content"] .portable a:active {
  transform: translateY(1px);
}

body[data-theme="simple-content"] .portable a:focus-visible {
  outline: 2px solid var(--sc-saffron);
  outline-offset: 3px;
}

body[data-theme="simple-content"] .portable li > a {
  margin-top: 0.15rem;
  margin-bottom: 0.15rem;
}

/* 列表内链接：保持行内文字，避免 chip 按钮把圆点顶歪 */
body[data-theme="simple-content"] .portable .list-item a {
  display: inline;
  margin: 0;
  padding: 0;
  min-height: 0;
  border: none;
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: var(--sc-blue-2);
  font-size: inherit;
  font-weight: 700;
  line-height: inherit;
  vertical-align: baseline;
}

body[data-theme="simple-content"] .portable .list-item a:hover {
  color: #ffffff;
  background: none;
  border-color: transparent;
  box-shadow: none;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

body[data-theme="simple-content"] .portable .list-item a:active {
  transform: none;
}

body[data-theme="simple-content"] .portable blockquote {
  margin: 0.35rem 0;
  border-left: 3px solid var(--sc-saffron);
  border-radius: 0 10px 10px 0;
  padding: 0.9rem 1.15rem;
  font-style: italic;
  color: var(--sc-ink);
  background: linear-gradient(
    90deg,
    rgba(0, 187, 255, 0.12),
    rgba(42, 53, 70, 0.35) 55%,
    transparent
  );
}

body[data-theme="simple-content"] .portable-list {
  margin: 0.15rem 0;
  padding: 0.85rem 1rem;
  display: grid;
  gap: 0.65rem;
  list-style: none;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--sc-line);
  border-radius: 12px;
}

body[data-theme="simple-content"] .portable-list.bullet > .list-item,
body[data-theme="simple-content"] .portable-list.number > .list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  line-height: 1.8;
}

body[data-theme="simple-content"] .portable .list-item-body {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: normal;
}

/* 圆点与首行文字垂直居中对齐 */
body[data-theme="simple-content"] .portable-list.bullet > .list-item::before {
  content: "";
  flex: 0 0 auto;
  width: 0.4rem;
  height: 0.4rem;
  margin-top: calc((1.08rem * 1.8 - 0.4rem) / 2);
  border-radius: 50%;
  background: var(--sc-blue);
  box-shadow: 0 0 0 3px rgba(0, 187, 255, 0.15);
}

body[data-theme="simple-content"] .portable-list.number {
  counter-reset: sc-ol;
}

body[data-theme="simple-content"] .portable-list.number > .list-item {
  counter-increment: sc-ol;
}

body[data-theme="simple-content"] .portable-list.number > .list-item::before {
  content: counter(sc-ol) ".";
  flex: 0 0 1.35rem;
  margin-top: 0;
  color: var(--sc-blue);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.8;
  text-align: right;
}

body[data-theme="simple-content"] .portable-figure {
  margin: 0.95rem 0;
}

body[data-theme="simple-content"] .portable-figure img {
  width: 100%;
  border-radius: var(--sc-radius);
  border: 1px solid var(--sc-line);
  box-shadow: var(--sc-img-shadow);
}

body[data-theme="simple-content"] .portable-figure figcaption {
  margin-top: 0.55rem;
  color: var(--sc-muted);
  font-size: 0.88rem;
  text-align: center;
}

body[data-theme="simple-content"] .note {
  background: linear-gradient(145deg, rgba(0, 129, 195, 0.22), rgba(42, 53, 70, 0.55));
  border: 1px solid rgba(0, 187, 255, 0.28);
  border-radius: var(--sc-radius);
  padding: 1.25rem 1.35rem;
}

/* —— Footer —— */
.sc-footer {
  margin-top: auto;
  border-top: 1px solid var(--sc-line);
  background: var(--sc-footer-bg);
  padding: 1.6rem 0 2rem;
}

/* 全站底部 APK CTA：有 apkUrl + 文案才渲染；为 dock 预留滚动空间 */
body[data-theme="simple-content"]:has(.sc-download-dock) {
  padding-bottom: calc(4.75rem + env(safe-area-inset-bottom, 0px));
}

.sc-download-dock {
  position: fixed;
  z-index: 55;
  left: 0;
  right: 0;
  bottom: 0;
  box-sizing: border-box;
  padding: 0.7rem 0;
  padding-bottom: max(0.7rem, env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--sc-line);
  background: var(--sc-dock-bg);
  backdrop-filter: blur(12px) saturate(1.05);
}

.sc-download-dock-inner {
  display: flex;
  justify-content: center;
}

.sc-download-dock-btn {
  width: min(100%, 28rem);
  min-height: 0.15rem;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.sc-footer-inner {
  display: grid;
  gap: 0.85rem;
}

.sc-footer-brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--sc-ink);
}

.sc-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.25rem;
  justify-content: space-between;
  align-items: baseline;
  color: var(--sc-muted);
  font-size: 0.88rem;
}

.sc-footer-note {
  color: var(--sc-gold);
  max-width: 36rem;
  opacity: 0.95;
}

@media (max-width: 640px) {
  body[data-theme="simple-content"] .sc-content-band {
    padding: 1.15rem 1rem 1.3rem;
    border-radius: 12px;
  }

  .sc-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button,
  .sc-nav a {
    transition: none;
  }
}

/* —— 图片外框 / 内容块装饰（受控 frame + PT style） —— */
body[data-theme="simple-content"] .portable-figure.is-frame-line img {
  border: 1px solid var(--sc-line-strong);
  background: transparent;
  box-shadow: none;
  padding: 0;
}

body[data-theme="simple-content"] .portable-figure.is-frame-soft {
  padding: 0.65rem;
  border-radius: calc(var(--sc-radius) + 2px);
  border: 1px solid var(--sc-line);
  background: var(--sc-surface);
}

body[data-theme="simple-content"] .portable-figure.is-frame-soft img {
  border: none;
  box-shadow: none;
}

body[data-theme="simple-content"] .portable-figure.is-frame-accent {
  padding: 0.65rem;
  border-radius: calc(var(--sc-radius) + 2px);
  border: 1px solid rgba(0, 187, 255, 0.35);
  background: var(--sc-blue-soft);
}

body[data-theme="simple-content"] .portable-figure.is-frame-accent img {
  border: none;
  box-shadow: none;
}

body[data-theme="simple-content"] .portable .portable-panel,
body[data-theme="simple-content"] .sc-rt-surface.is-panel {
  margin: 0.35rem 0;
  padding: 1rem 1.15rem;
  border-radius: var(--sc-radius);
  border: 1px solid var(--sc-line);
  background: var(--sc-surface);
  color: var(--sc-body-text);
}

body[data-theme="simple-content"] .portable .portable-lined,
body[data-theme="simple-content"] .sc-rt-surface.is-lined {
  margin: 0.35rem 0;
  padding: 0.85rem 1rem 0.85rem 1.15rem;
  border-left: 3px solid var(--sc-blue);
  border-radius: 0 10px 10px 0;
  background: var(--sc-blue-soft);
  color: var(--sc-body-text);
}

body[data-theme="simple-content"] .sc-rt-surface.is-panel .portable,
body[data-theme="simple-content"] .sc-rt-surface.is-lined .portable {
  gap: 0.85rem;
}

/* —— 浅色皮肤（Site.appearance = light）——
 * 灰蓝页底 + 青绿点缀（贴合 COME CTA）；页脚纯色无渐变
 */
html[data-appearance="light"] body[data-theme="simple-content"],
body[data-theme="simple-content"][data-appearance="light"] {
  --sc-bg: #d5dde8;
  --sc-bg-2: #e0e6ef;
  --sc-bg-deep: #c8d2e0;
  --sc-surface: #ffffff;
  --sc-surface-2: #e8eef5;
  --sc-ink: #0a1830;
  --sc-muted: #3d5a78;
  --sc-body-text: #243b55;
  --sc-lede-text: #152c44;
  --sc-h4: #0e2a48;
  --sc-line: rgba(60, 90, 120, 0.16);
  --sc-line-strong: rgba(60, 90, 120, 0.26);
  --sc-blue: #0090d8;
  --sc-blue-2: #1ec8ff;
  --sc-blue-deep: #006fae;
  --sc-blue-soft: rgba(0, 144, 216, 0.12);
  --sc-mint: #2ec27e;
  --sc-mint-soft: rgba(46, 194, 126, 0.12);
  --sc-gold-soft: rgba(255, 196, 64, 0.16);
  --sc-tag: #c5d4e4;
  --sc-glow-1: rgba(120, 150, 180, 0.22);
  --sc-glow-2: rgba(90, 120, 155, 0.14);
  --sc-glow-3: rgba(100, 130, 165, 0.1);
  --sc-img-shadow: 0 14px 34px rgba(40, 60, 90, 0.12);
  --sc-footer-bg: #e8eef5;
  --sc-dock-bg: rgba(232, 238, 245, 0.96);
  --sc-maroon: #dff6ee;
  --sc-indigo: #ffffff;
  /* 首块：白底 + 淡青边；交替块拉开色相 */
  --sc-band-lead: linear-gradient(165deg, #ffffff 0%, #f2faff 62%, #e8f8f2 100%);
  --sc-band-a: linear-gradient(160deg, #eef8fd 0%, #f7fcff 55%, #ffffff 100%);
  --sc-band-b: linear-gradient(
    145deg,
    rgba(0, 187, 255, 0.2) 0%,
    rgba(46, 194, 126, 0.12) 42%,
    rgba(255, 255, 255, 0.96) 100%
  );
  --sc-band-border: rgba(0, 130, 190, 0.18);
  --sc-band-b-border: rgba(0, 160, 210, 0.42);
  --sc-band-lead-shadow: 0 16px 40px rgba(8, 70, 120, 0.12), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  --sc-band-b-shadow: 0 12px 28px rgba(0, 150, 200, 0.14);
  /* 浅色页 + 深色顶栏 */
  --sc-header-bg: linear-gradient(180deg, #0e1a28 0%, #0a1420 100%);
  --sc-mobile-panel-bg: linear-gradient(180deg, #0f1b2a 0%, #0a141e 100%);
  --sc-nav-backdrop: rgba(4, 14, 26, 0.58);
  --sc-nav-hover-bg: rgba(0, 187, 255, 0.16);
  --sc-header-ink: #f4f7fb;
  --sc-header-muted: #9db0c4;
}

/* 页面：灰蓝底，弱化彩光 */
html[data-appearance="light"] body[data-theme="simple-content"],
body[data-theme="simple-content"][data-appearance="light"] {
  background:
    radial-gradient(ellipse 70% 48% at 92% -6%, var(--sc-glow-1), transparent 58%),
    radial-gradient(ellipse 52% 40% at -6% 22%, var(--sc-glow-2), transparent 55%),
    linear-gradient(180deg, var(--sc-bg-2) 0%, var(--sc-bg) 48%, var(--sc-bg-deep) 100%);
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable .list-item a:hover,
body[data-theme="simple-content"][data-appearance="light"] .portable .list-item a:hover {
  color: var(--sc-blue-deep);
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable a,
body[data-theme="simple-content"][data-appearance="light"] .portable a {
  box-shadow: 0 8px 22px rgba(0, 150, 224, 0.28);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-content-band,
body[data-theme="simple-content"][data-appearance="light"] .sc-content-band {
  border-color: var(--sc-band-border);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-content-band.is-lead,
body[data-theme="simple-content"][data-appearance="light"] .sc-content-band.is-lead {
  background: var(--sc-band-lead);
  box-shadow: var(--sc-band-lead-shadow);
  border-color: rgba(0, 150, 210, 0.28);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-content-band.is-lead::before,
body[data-theme="simple-content"][data-appearance="light"] .sc-content-band.is-lead::before {
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--sc-blue) 0%,
    var(--sc-blue-2) 38%,
    var(--sc-mint) 68%,
    transparent 92%
  );
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-content-band.is-a,
body[data-theme="simple-content"][data-appearance="light"] .sc-content-band.is-a {
  background: var(--sc-band-a);
  border-color: rgba(0, 130, 190, 0.2);
  box-shadow: 0 8px 22px rgba(12, 70, 110, 0.06);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-content-band.is-b,
body[data-theme="simple-content"][data-appearance="light"] .sc-content-band.is-b {
  background: var(--sc-band-b);
  border-color: var(--sc-band-b-border);
  box-shadow: var(--sc-band-b-shadow);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-content-band.is-b::before,
body[data-theme="simple-content"][data-appearance="light"] .sc-content-band.is-b::before {
  width: 4px;
  background: linear-gradient(180deg, var(--sc-blue-2), var(--sc-mint));
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable h1,
body[data-theme="simple-content"][data-appearance="light"] .portable h1 {
  color: #072038;
  letter-spacing: -0.025em;
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable h2,
body[data-theme="simple-content"][data-appearance="light"] .portable h2 {
  color: #0a2a4a;
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable h2::before,
body[data-theme="simple-content"][data-appearance="light"] .portable h2::before {
  width: 3rem;
  height: 3px;
  background: linear-gradient(90deg, var(--sc-blue), var(--sc-mint), transparent);
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable h3,
body[data-theme="simple-content"][data-appearance="light"] .portable h3 {
  color: var(--sc-blue-deep);
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable h4,
body[data-theme="simple-content"][data-appearance="light"] .portable h4 {
  color: #0f4a6e;
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable blockquote,
body[data-theme="simple-content"][data-appearance="light"] .portable blockquote {
  border-left-color: var(--sc-mint);
  background: linear-gradient(90deg, var(--sc-mint-soft), rgba(255, 255, 255, 0.7));
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable .list-item::marker,
body[data-theme="simple-content"][data-appearance="light"] .portable .list-item::marker,
html[data-appearance="light"] body[data-theme="simple-content"] .portable li::marker,
body[data-theme="simple-content"][data-appearance="light"] .portable li::marker {
  color: var(--sc-blue);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-header,
body[data-theme="simple-content"][data-appearance="light"] .sc-header {
  border-bottom-color: rgba(0, 187, 255, 0.28);
  box-shadow:
    0 10px 28px rgba(4, 16, 28, 0.3),
    0 1px 0 rgba(0, 187, 255, 0.12) inset;
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-brand img,
body[data-theme="simple-content"][data-appearance="light"] .sc-brand img {
  box-shadow:
    0 0 0 1px rgba(30, 200, 255, 0.45),
    0 0 12px rgba(0, 187, 255, 0.25);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-brand strong,
body[data-theme="simple-content"][data-appearance="light"] .sc-brand strong {
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  color: var(--sc-header-ink);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-nav a,
body[data-theme="simple-content"][data-appearance="light"] .sc-nav a {
  color: var(--sc-header-muted);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-nav a:hover,
html[data-appearance="light"] body[data-theme="simple-content"] .sc-nav a[aria-current="page"],
body[data-theme="simple-content"][data-appearance="light"] .sc-nav a:hover,
body[data-theme="simple-content"][data-appearance="light"] .sc-nav a[aria-current="page"] {
  color: var(--sc-blue-2);
  background: rgba(0, 187, 255, 0.14);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-nav a[aria-current="page"]::after,
body[data-theme="simple-content"][data-appearance="light"] .sc-nav a[aria-current="page"]::after {
  background: linear-gradient(90deg, var(--sc-blue-2), var(--sc-mint));
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-mobile-links > a:not(.button),
body[data-theme="simple-content"][data-appearance="light"] .sc-mobile-links > a:not(.button) {
  color: var(--sc-header-ink);
  border-bottom-color: rgba(244, 247, 251, 0.1);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-mobile-links > a:not(.button)[aria-current="page"],
body[data-theme="simple-content"][data-appearance="light"] .sc-mobile-links > a:not(.button)[aria-current="page"] {
  color: var(--sc-blue-2);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-mobile-links > a:not(.button) span,
body[data-theme="simple-content"][data-appearance="light"] .sc-mobile-links > a:not(.button) span {
  color: var(--sc-mint);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-menu,
body[data-theme="simple-content"][data-appearance="light"] .sc-menu {
  border-color: rgba(0, 187, 255, 0.28);
  background: rgba(0, 187, 255, 0.08);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-menu span,
body[data-theme="simple-content"][data-appearance="light"] .sc-menu span {
  background: var(--sc-blue-2);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-mobile-panel,
body[data-theme="simple-content"][data-appearance="light"] .sc-mobile-panel {
  border-color: rgba(0, 187, 255, 0.22);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-footer,
body[data-theme="simple-content"][data-appearance="light"] .sc-footer {
  border-top: 1px solid rgba(90, 120, 150, 0.2);
  background: var(--sc-footer-bg);
  box-shadow: none;
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-footer-brand,
body[data-theme="simple-content"][data-appearance="light"] .sc-footer-brand {
  color: var(--sc-blue-deep);
  font-weight: 700;
}

html[data-appearance="light"] body[data-theme="simple-content"] .sc-download-dock,
body[data-theme="simple-content"][data-appearance="light"] .sc-download-dock {
  border-top-color: rgba(0, 160, 210, 0.28);
  box-shadow: 0 -12px 32px rgba(0, 130, 190, 0.1);
}

html[data-appearance="light"] body[data-theme="simple-content"] .button-primary,
body[data-theme="simple-content"][data-appearance="light"] .button-primary {
  box-shadow: 0 10px 26px rgba(0, 160, 220, 0.36);
}

html[data-appearance="light"] body[data-theme="simple-content"] .note,
body[data-theme="simple-content"][data-appearance="light"] .note {
  background: linear-gradient(
    145deg,
    rgba(0, 187, 255, 0.14) 0%,
    rgba(46, 194, 126, 0.1) 48%,
    rgba(255, 255, 255, 0.96) 100%
  );
  border: 1px solid rgba(0, 160, 210, 0.36);
  box-shadow: 0 10px 24px rgba(0, 140, 200, 0.1);
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable-figure,
body[data-theme="simple-content"][data-appearance="light"] .portable-figure {
  border-color: rgba(0, 140, 200, 0.22);
  box-shadow: var(--sc-img-shadow);
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable-figure.is-frame-accent,
body[data-theme="simple-content"][data-appearance="light"] .portable-figure.is-frame-accent {
  background: linear-gradient(
    160deg,
    rgba(0, 187, 255, 0.16) 0%,
    rgba(46, 194, 126, 0.1) 50%,
    rgba(255, 255, 255, 0.95) 100%
  );
  border-color: rgba(0, 170, 230, 0.45);
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable .portable-panel,
body[data-theme="simple-content"][data-appearance="light"] .portable .portable-panel {
  background: linear-gradient(160deg, #e4f4fc 0%, #f0fbf6 48%, #ffffff 100%);
  border-color: rgba(0, 140, 200, 0.24);
  box-shadow: 0 8px 20px rgba(8, 80, 120, 0.06);
}

html[data-appearance="light"] body[data-theme="simple-content"] .portable .portable-lined,
body[data-theme="simple-content"][data-appearance="light"] .portable .portable-lined {
  background: linear-gradient(
    90deg,
    rgba(0, 187, 255, 0.18) 0%,
    rgba(46, 194, 126, 0.1) 40%,
    rgba(255, 255, 255, 0.55) 100%
  );
  border-left-color: var(--sc-blue);
}