@charset "UTF-8";
/* ==========================================================================
   Auto Dark Mode 中文站 · 全站样式
   配色取自项目标志：日光橙 #F5A623 / 深夜蓝 #1F4699
   扁平、现代、专业；无阴影堆叠，以 1px 描边与留白构成层次
   ========================================================================== */

/* ---------- 变量 ---------- */
:root {
  --sun: #f5a623;
  --sun-2: #ffc24b;
  --sun-deep: #d98200;
  --sun-soft: #fff6e6;
  --moon: #1f4699;
  --moon-deep: #122a63;
  --moon-soft: #eef3fd;

  --ink: #0e1b3a;
  --body: #4a5568;
  --muted: #77839b;
  --line: #e5e9f2;
  --line-strong: #d5dced;
  --bg: #ffffff;
  --bg-2: #f7f9fc;
  --navy: #0b1737;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(14, 27, 58, 0.06);
  --shadow: 0 18px 40px -26px rgba(14, 27, 58, 0.45);
  --max: 1180px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Source Han Sans SC", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 基础 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; border: 0; }

h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  color: var(--ink);
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.05rem, 4.1vw, 3.35rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.6rem, 2.7vw, 2.2rem); letter-spacing: -0.02em; }
h3 { font-size: 1.16rem; }
h4 { font-size: 1rem; }

p { margin: 0 0 1.1em; }
a { color: var(--moon); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { margin: 0 0 1.1em; padding-left: 1.25em; }
li { margin-bottom: 0.4em; }

strong { color: var(--ink); font-weight: 600; }
small { font-size: 0.8rem; }

svg { flex: none; }
.icon { width: 22px; height: 22px; stroke-width: 1.75; }
.icon-lg { width: 26px; height: 26px; }
.sprite { display: none; }

::selection { background: #ffe3ae; color: var(--ink); }

:focus-visible {
  outline: 3px solid rgba(31, 70, 153, 0.45);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 400;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 10px;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; text-decoration: none; }

/* ---------- 布局 ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 84px 0; }
.section--tight { padding: 60px 0; }
.section--alt {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head.is-left { margin-left: 0; text-align: left; }
.section-head .lead { color: var(--body); font-size: 1.06rem; margin-bottom: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sun-deep);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--sun), var(--sun-deep));
  border-radius: 2px;
}
.eyebrow.is-moon { color: var(--moon); }
.eyebrow.is-moon::before { background: linear-gradient(90deg, #4d7fdc, var(--moon)); }
.eyebrow.is-center { justify-content: center; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(3, 1fr); }
.grid--gap-lg { gap: 28px; }

.lead {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--body);
}

.muted { color: var(--muted); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 20px; }
.mt-6 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--sun-2) 0%, var(--sun) 45%, #e08b00 100%);
  color: #241605;
  box-shadow: 0 12px 26px -14px rgba(224, 139, 0, 0.9);
}
.btn-primary:hover { box-shadow: 0 16px 30px -14px rgba(224, 139, 0, 0.95); }
.btn-primary .icon { stroke-width: 2; }

.btn-ghost {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--sun); background: #fffdf8; }

.btn-dark {
  background: var(--moon-deep);
  color: #fff;
}
.btn-dark:hover { background: #17337a; }

.btn-sm { height: 42px; padding: 0 18px; font-size: 0.92rem; border-radius: 10px; }
.btn-lg { height: 56px; padding: 0 30px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.btn-row.is-center { justify-content: center; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--moon);
}
.text-link .icon { width: 18px; height: 18px; transition: transform 0.18s ease; }
.text-link:hover .icon { transform: translateX(3px); }

/* ---------- 顶栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 22px -18px rgba(14, 27, 58, 0.55); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  flex: none;
}
.brand:hover { text-decoration: none; }
.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #fff;
  object-fit: cover;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.02rem; letter-spacing: -0.01em; }
.brand-text small { color: var(--muted); font-size: 0.72rem; letter-spacing: 0.04em; }

.site-nav { margin-left: auto; }
.site-nav ul {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav li { margin: 0; }
.site-nav a {
  display: block;
  padding: 9px 14px;
  border-radius: 9px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--body);
}
.site-nav a:hover { background: var(--bg-2); color: var(--ink); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 700; background: var(--sun-soft); }

.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
.nav-open .nav-toggle .icon-menu { display: none; }
.nav-open .nav-toggle .icon-close { display: block; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 78px;
  background:
    radial-gradient(900px 460px at 88% -12%, #fff1d6 0%, rgba(255, 255, 255, 0) 62%),
    radial-gradient(760px 420px at 2% 108%, #e9f0fe 0%, rgba(255, 255, 255, 0) 66%),
    #fff;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(14, 27, 58, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14, 27, 58, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(760px 420px at 62% 28%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(760px 420px at 62% 28%, #000 0%, transparent 78%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 52px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(1.9rem, 3vw, 2.7rem);
  line-height: 1.24;
  margin-bottom: 18px;
}
.hero h1 em {
  font-style: normal;
  color: var(--sun-deep);
  background: linear-gradient(180deg, transparent 62%, rgba(245, 166, 35, 0.28) 62%);
}
.hero .lead { max-width: 34em; }
.hero .btn-row { margin-top: 28px; }

.hero-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: 26px;
  padding: 0;
  list-style: none;
  font-size: 0.88rem;
  color: var(--muted);
}
.hero-note li { display: inline-flex; align-items: center; gap: 7px; margin: 0; }
.hero-note .icon { width: 16px; height: 16px; color: #2f9e6b; stroke-width: 2.2; }

.hero-visual { position: relative; }

/* ---------- 应用窗口仿真 ---------- */
.mock {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 34px 70px -38px rgba(14, 27, 58, 0.55), 0 2px 6px rgba(14, 27, 58, 0.05);
  overflow: hidden;
}
.mock-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  background: #f3f5f9;
  border-bottom: 1px solid var(--line);
}
.mock-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #d6dce8;
  display: block;
}
.mock-bar i:nth-child(1) { background: #ffb3ab; }
.mock-bar i:nth-child(2) { background: #ffd88c; }
.mock-bar i:nth-child(3) { background: #b7e3b0; }
.mock-bar span {
  margin-left: 8px;
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.mock-body { padding: 18px; }
.mock-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}
.mock-tabs b {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  padding: 5px 9px;
  border-radius: 7px;
}
.mock-tabs b.on { color: var(--moon); background: var(--moon-soft); }

.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 13px;
  margin-bottom: 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 12.5px;
  color: var(--ink);
  background: #fff;
}
.mock-row .sub { color: var(--muted); font-size: 11.5px; }
.mock-row:last-child { margin-bottom: 0; }

.mock-time {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 9px;
  background: linear-gradient(180deg, #fffdf7, #fff);
}
.mock-time.is-dark { background: linear-gradient(180deg, #f6f8ff, #fff); }
.mock-time .swatch {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--sun-2), var(--sun));
  flex: none;
}
.mock-time.is-dark .swatch { background: linear-gradient(135deg, #2a54ad, #12275d); }
.mock-time strong { display: block; font-size: 12.5px; color: var(--ink); }
.mock-time em { font-style: normal; font-size: 15px; font-weight: 700; color: var(--ink); letter-spacing: 0.02em; }

.toggle {
  width: 36px;
  height: 21px;
  border-radius: 999px;
  background: #d9dfec;
  position: relative;
  flex: none;
}
.toggle::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(14, 27, 58, 0.28);
  transition: left 0.2s ease;
}
.toggle.on { background: var(--sun); }
.toggle.on::after { left: 18px; }

.float-chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 18px 34px -22px rgba(14, 27, 58, 0.6);
  font-size: 12.5px;
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}
.float-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.18);
}
.float-chip.is-moon .dot { background: var(--moon); box-shadow: 0 0 0 4px rgba(31, 70, 153, 0.16); }
.float-chip small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); }
.chip-a { top: -56px; left: -10px; }
.chip-b { bottom: -44px; right: -10px; }

/* ---------- 信任条 ---------- */
.trustbar { padding: 0 0 10px; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}
.stat {
  padding: 24px 26px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat b {
  display: block;
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.stat span { font-size: 0.85rem; color: var(--muted); }

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: #f6dcae;
  box-shadow: var(--shadow);
}
.card-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--sun-soft);
  color: var(--sun-deep);
  margin-bottom: 16px;
}
.card-icon.is-moon { background: var(--moon-soft); color: var(--moon); }
.card-icon.is-plain { background: var(--bg-2); color: var(--ink); border: 1px solid var(--line); }
.card h3 { margin-bottom: 8px; font-size: 1.06rem; }
.card p { margin-bottom: 0; font-size: 0.95rem; color: var(--body); }
.card .text-link { margin-top: 16px; font-size: 0.92rem; }

.card.is-flat:hover { transform: none; box-shadow: none; border-color: var(--line); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--moon-soft);
  color: var(--moon);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.tag.is-sun { background: var(--sun-soft); color: #a46100; }
.tag.is-green { background: #e9f7f0; color: #1f7a4d; }
.tag.is-outline { background: #fff; border: 1px solid var(--line-strong); color: var(--body); }

/* ---------- 场景卡 ---------- */
.scene {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.scene:hover { border-color: #f6dcae; transform: translateY(-3px); box-shadow: var(--shadow); }
.scene .card-icon { margin-bottom: 14px; }
.scene h3 { font-size: 1.03rem; margin-bottom: 6px; }
.scene p { margin: 0; font-size: 0.94rem; }
.scene .meta {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.82rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 7px;
}
.scene .meta .icon { width: 15px; height: 15px; color: var(--sun-deep); }

/* ---------- 交替特性 ---------- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 34px 0;
}
.feature.is-reverse .feature-media { order: 2; }
.feature h2, .feature h3 { margin-bottom: 14px; }
.feature .lead { font-size: 1.02rem; }
.feature-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}
.feature-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 0.96rem;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 14px;
  height: 8px;
  border-left: 2.5px solid var(--sun-deep);
  border-bottom: 2.5px solid var(--sun-deep);
  transform: rotate(-45deg);
  border-radius: 1px;
}
.feature-media {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  padding: 22px;
  box-shadow: 0 26px 50px -36px rgba(14, 27, 58, 0.5);
}
.feature-media.is-tint { background: linear-gradient(160deg, #fdf8ee, #f5f8ff); }

/* ---------- 选项卡（界面预览） ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 30px;
}
.tab {
  padding: 10px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--body);
  font-family: inherit;
  font-size: 0.93rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
}
.tab:hover { border-color: var(--sun); color: var(--ink); }
.tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.tabpanel[hidden] { display: none; }

.preview-wrap {
  max-width: 940px;
  margin: 0 auto;
}
.preview-note {
  margin-top: 18px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- 步骤 ---------- */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.steps > li {
  position: relative;
  counter-increment: step;
  margin: 0;
  padding: 30px 26px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  color: #eef1f8;
  letter-spacing: -0.03em;
}
.steps > li h3 { position: relative; font-size: 1.04rem; margin-bottom: 8px; }
.steps > li p { margin: 0; font-size: 0.94rem; position: relative; }
.steps > li .step-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--moon-soft);
  color: var(--moon);
  margin-bottom: 16px;
}

/* ---------- 对比表 ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  -webkit-overflow-scrolling: touch;
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
  min-width: 620px;
}
table.data caption {
  caption-side: top;
  text-align: left;
  padding: 16px 20px;
  font-size: 0.85rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
table.data th,
table.data td {
  padding: 13px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data thead th {
  background: var(--bg-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #fcfdff; }
table.data td strong { font-weight: 600; }

/* ---------- 下载卡 ---------- */
.dl-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.dl-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.dl-card.is-primary { border-color: #f3dcb4; background: linear-gradient(180deg, #fffdf7, #fff); }
.dl-version {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}
.dl-version b { font-size: 1.9rem; color: var(--ink); letter-spacing: -0.02em; }
.dl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--muted);
}
.dl-meta li { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.dl-meta .icon { width: 15px; height: 15px; }

.hash {
  display: block;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  background: var(--bg-2);
  font-family: "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace;
  font-size: 0.76rem;
  line-height: 1.7;
  color: #3d4a66;
  word-break: break-all;
}
.hash-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.8rem;
  color: var(--muted);
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  white-space: nowrap;
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #fff;
  color: var(--body);
  font-family: inherit;
  font-size: 0.76rem;
  cursor: pointer;
}
.copy-btn:hover { border-color: var(--sun); color: var(--ink); }
.copy-btn .icon { width: 14px; height: 14px; }
.copy-btn.is-done { border-color: #9dd6b6; color: #1f7a4d; background: #f2fbf6; }

code.inline {
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  font-family: "Cascadia Mono", Consolas, Menlo, monospace;
  font-size: 0.86em;
  color: #2c3a5c;
}

.cmd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0f1c3d;
  color: #e6ecf9;
  font-family: "Cascadia Mono", Consolas, Menlo, monospace;
  font-size: 0.84rem;
}
.cmd > span {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
}
.cmd .copy-btn { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.22); color: #dbe4f5; }
.cmd .copy-btn:hover { border-color: var(--sun); }
.cmd .copy-btn.is-done { background: rgba(53, 190, 122, 0.16); border-color: #3fbf86; color: #b7f0d3; }

/* ---------- 折叠问答 ---------- */
.faq-list { max-width: 880px; margin: 0 auto; }
details.faq {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  margin-bottom: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
details.faq[open] { border-color: #f3dcb4; box-shadow: 0 12px 30px -26px rgba(14, 27, 58, 0.6); }
details.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--ink);
  font-size: 1rem;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
  flex: none;
}
details.faq[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
details.faq .faq-body {
  padding: 0 22px 20px;
  font-size: 0.95rem;
  color: var(--body);
}
details.faq .faq-body p:last-child { margin-bottom: 0; }

/* ---------- 提示条 ---------- */
.notice {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid #f3dcb4;
  border-left: 4px solid var(--sun);
  border-radius: 10px;
  background: #fffcf4;
  font-size: 0.93rem;
}
.notice.is-blue { border-color: #cfdcf7; border-left-color: var(--moon); background: #f7faff; }
.notice .icon { width: 20px; height: 20px; margin-top: 2px; color: var(--sun-deep); }
.notice.is-blue .icon { color: var(--moon); }
.notice strong { display: block; margin-bottom: 2px; }
.notice p:last-child { margin-bottom: 0; }

/* ---------- CTA 区块 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: 58px 56px;
  border-radius: var(--radius-lg);
  background: radial-gradient(680px 320px at 88% 0%, rgba(245, 166, 35, 0.26) 0%, rgba(245, 166, 35, 0) 62%),
    linear-gradient(135deg, #14275c 0%, #0b1737 62%);
  color: #d7e0f2;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #b9c6e0; max-width: 46em; }
.cta-band .btn-row { margin-top: 26px; }
.cta-band .btn-ghost { background: transparent; border-color: rgba(255, 255, 255, 0.28); color: #fff; }
.cta-band .btn-ghost:hover { background: rgba(255, 255, 255, 0.08); border-color: #fff; }
.cta-band .meta { margin-top: 18px; font-size: 0.84rem; color: #8fa0c2; }

/* ---------- 页面头部（内页） ---------- */
.page-hero {
  padding: 46px 0 54px;
  background:
    radial-gradient(720px 340px at 92% 0%, #fff4de 0%, rgba(255, 255, 255, 0) 64%),
    #fff;
  border-bottom: 1px solid var(--line);
}
.page-hero .lead { max-width: 44em; }
.page-hero h1 { font-size: clamp(1.85rem, 3.4vw, 2.75rem); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.83rem;
  color: var(--muted);
  list-style: none;
  padding: 0;
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
.breadcrumb li + li::before {
  content: "/";
  color: var(--line-strong);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--moon); }
.breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--navy);
  color: #a8b6d1;
  padding: 64px 0 26px;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-footer h4 {
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.site-footer a { color: #a8b6d1; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 9px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-brand img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: #fff;
}
.footer-brand strong { color: #fff; font-size: 1.05rem; display: block; line-height: 1.2; }
.footer-brand small { color: #8194b8; font-size: 0.76rem; }
.footer-desc { max-width: 30em; color: #93a3c2; font-size: 0.9rem; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 9px;
  font-size: 0.84rem;
  color: #c4d0e6;
}
.footer-social a:hover { border-color: var(--sun); color: #fff; text-decoration: none; }
.footer-social .icon { width: 16px; height: 16px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 22px;
  font-size: 0.82rem;
  color: #7e90b2;
}
.footer-bottom p { margin: 0; }

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px 18px;
  overflow-y: auto;
}
.modal.is-open { display: flex; }
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 16, 36, 0.62);
  backdrop-filter: blur(4px);
  animation: fade 0.2s ease;
}
.modal-dialog {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin: auto;
  padding: 34px 34px 28px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 40px 90px -30px rgba(4, 10, 26, 0.7);
  animation: pop 0.22s cubic-bezier(0.22, 0.9, 0.3, 1);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--body);
  cursor: pointer;
}
.modal-close:hover { border-color: var(--line-strong); background: var(--bg-2); color: var(--ink); }

.modal-head { text-align: center; margin-bottom: 24px; }
.modal-head .tag { margin-bottom: 12px; }
.modal-head h2 { font-size: 1.45rem; margin-bottom: 8px; }
.modal-head p { margin: 0; font-size: 0.92rem; color: var(--muted); }

.qr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 20px 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #fbfcff, #fff);
}
.qr-img {
  width: 100%;
  max-width: 190px;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  padding: 10px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}
.qr-img img { width: 100%; height: 100%; object-fit: contain; }
.qr-card figcaption { text-align: center; }
.qr-card figcaption strong {
  display: block;
  font-size: 0.94rem;
  color: var(--ink);
  margin-bottom: 3px;
}
.qr-card figcaption span { font-size: 0.78rem; color: var(--muted); }

.modal-foot {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--muted);
}
.modal-foot p { margin: 0; }

body.has-modal { overflow: hidden; }

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

/* ---------- 内容排版 ---------- */
.prose h2 { margin-top: 2.2em; }
.prose h2:first-child { margin-top: 0; }
.prose .eyebrow + h2,
.prose .eyebrow + h3 { margin-top: 0; }
.prose h3 { margin-top: 1.8em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose > p:last-child { margin-bottom: 0; }
.prose blockquote {
  margin: 1.6em 0;
  padding: 18px 22px;
  border-left: 4px solid var(--sun);
  background: var(--sun-soft);
  border-radius: 0 10px 10px 0;
  color: #6b4a10;
}
.prose blockquote p:last-child { margin-bottom: 0; }

/* ---------- 文章配图 ---------- */
.article-figure {
  margin: 0 0 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-2);
}
.article-figure img {
  width: 100%;
  height: auto;
  display: block;
}
.article-figure figcaption {
  padding: 13px 20px;
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
}
@media (max-width: 640px) {
  .article-figure { margin-bottom: 30px; border-radius: 12px; }
  .article-figure figcaption { padding: 11px 15px; font-size: 0.8rem; }
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  font-size: 0.84rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.article-meta li { display: inline-flex; align-items: center; gap: 7px; margin: 0; }
.article-meta .icon { width: 15px; height: 15px; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: start;
}
.side-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-2);
}
.side-card h3 { font-size: 1rem; margin-bottom: 10px; }
.side-card ul { margin-bottom: 0; font-size: 0.92rem; }
.side-card ol { margin-bottom: 0; font-size: 0.92rem; }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 9px;
  font-size: 0.95rem;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.62em;
  width: 12px;
  height: 7px;
  border-left: 2.5px solid #2f9e6b;
  border-bottom: 2.5px solid #2f9e6b;
  transform: rotate(-45deg);
  border-radius: 1px;
}

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; padding: 0; list-style: none; }
.pill-row li { margin: 0; }

/* ---------- 滚动显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { gap: 40px; }
  .feature { gap: 40px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 1100px) {
  .header-inner { gap: 18px; }
  .site-nav a { padding: 9px 9px; font-size: 0.9rem; }
}

@media (max-width: 900px) {
  .header-inner { gap: 14px; }
  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin: 0;
    padding: 10px 24px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -30px rgba(14, 27, 58, 0.6);
    display: none;
  }
  .nav-open .site-nav { display: block; }
  .site-nav ul { flex-direction: column; gap: 2px; }
  .site-nav a { padding: 12px 14px; font-size: 1rem; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-primary { height: 42px; padding: 0 16px; font-size: 0.9rem; }

  .hero { padding: 46px 0 58px; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero .lead { max-width: none; }
  .chip-a { left: 0; top: -38px; }
  .chip-b { right: 0; bottom: -34px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }

  .grid-3, .grid-2, .grid-6 { grid-template-columns: 1fr 1fr; }
  .feature { grid-template-columns: 1fr; gap: 28px; padding: 22px 0; }
  .feature.is-reverse .feature-media { order: 0; }
  .steps { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 28px; }
  .dl-hero { grid-template-columns: 1fr; gap: 30px; }
  .cta-band { padding: 40px 28px; }
  .section { padding: 62px 0; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .container { padding: 0 18px; }
  .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr; }
  .brand-text small { display: none; }
  .brand-logo { width: 34px; height: 34px; }

  /* 弹窗：二维码改为横向条目，标题单行可读，整屏可容纳 */
  .modal { align-items: flex-start; padding-top: 18px; }
  .qr-grid { grid-template-columns: 1fr; gap: 10px; }
  .qr-card {
    flex-direction: row;
    align-items: center;
    text-align: left;
    padding: 12px;
    gap: 14px;
  }
  .qr-img { width: 104px; flex: none; padding: 6px; }
  .qr-card figcaption { text-align: left; }
  .qr-card figcaption strong { font-size: 0.9rem; word-break: keep-all; }
  .qr-card figcaption span { font-size: 0.75rem; }
  .modal-dialog { padding: 26px 18px 20px; border-radius: 16px; }
  .modal-head { margin-bottom: 18px; }
  .modal-head h2 { font-size: 1.2rem; }
  .modal-foot { margin-top: 16px; padding-top: 14px; }

  /* 悬浮说明块在窄屏会遮挡窗口内容，直接隐藏 */
  .float-chip { display: none; }

  .hero-note { gap: 6px 14px; }
  .section { padding: 52px 0; }
  .cta-band { padding: 34px 22px; border-radius: 18px; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .tabs { justify-content: flex-start; }
  .tab { padding: 9px 15px; font-size: 0.88rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .modal, .float-chip, .tabs { display: none !important; }
  body { color: #000; }
  .card, .mock { break-inside: avoid; }
}