/* ==========================================================================
   墨匠官网 · 设计系统
   依据：design/设计规格.md（配色 hex / 圆角 / 间距 / 字体栈 / 三级阴影 /
   六个图形母题 / 动效与 reduced-motion 兜底 / 响应式断点）
   视觉方向：① 实感演示型（data-style="demo"）
   默认浅色，可切深色（localStorage 记忆 + 跟随系统）
   运行时零外部依赖：字体一律系统字体栈，图标全部内联 SVG
   ========================================================================== */

/* ---------------- 1. 设计令牌 ---------------- */
:root {
  --brand: #3370FF;
  --brand-deep: #2563EB;
  --brand-soft: #E8F0FF;
  --purple: #7B5CFF;
  --btn: #2B63E8;          /* 实心主按钮专用蓝（白字 5.18:1） */
  --btn-hover: #2459D6;
  --green: #1A9C4F;
  --red: #DC2626;
  --amber: #B45309;
  --accent: #E65B3A;
  --accent-soft: #FFF1EC;

  --bg: #FFFFFF;
  --bg-alt: #F4F6FA;
  --bg-soft: #F7F9FC;
  --surface: #FFFFFF;
  --surface-2: #F2F4F8;
  --surface-3: #E8EBF0;

  --border: #E5E8EF;
  --border-strong: #D3D8E2;
  --grid-line: #C3CCDC;     /* 首屏背景网格线（比 --border 深，浅色下肉眼可见） */

  --text: #1A1D24;
  --text-2: #5A6272;
  --text-3: #8A92A2;

  --grad: linear-gradient(135deg, #3370FF, #7B5CFF);
  --glow: rgba(51, 112, 255, .10);

  --sh-1: 0 1px 2px rgba(23, 35, 71, .05), 0 1px 1px rgba(18, 28, 64, .03);
  --sh-2: 0 2px 6px rgba(23, 35, 71, .06), 0 8px 20px -8px rgba(23, 35, 71, .12);
  --sh-3: 0 2px 4px rgba(23, 35, 71, .06), 0 12px 28px -10px rgba(23, 35, 71, .14), 0 30px 60px -30px rgba(23, 35, 71, .16);
  --sh-inset: inset 0 1px 0 rgba(255, 255, 255, .9);

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  --header-h: 72px;
  --max: 1120px;
}

html[data-theme="dark"] {
  --brand: #5B8CFF;
  --brand-deep: #85AAFF;
  --brand-soft: rgba(91, 140, 255, .15);
  --btn: #1F6FEB;          /* 白字 4.63:1 */
  --btn-hover: #3B82F6;
  --green: #34D399;
  --red: #F87171;
  --amber: #FBBF24;
  --accent: #FF8A68;
  --accent-soft: rgba(255, 138, 104, .12);

  --bg: #0B0D12;
  --bg-alt: #11131A;
  --bg-soft: #171A22;
  --surface: #1D212B;
  --surface-2: #252A36;
  --surface-3: #2D3341;

  --border: #2A2F3B;
  --border-strong: #363D4D;
  --grid-line: #343B4A;     /* 深色主题下的网格线 */

  --text: #EEF0F4;
  --text-2: #ADB4C2;
  --text-3: #7D8699;

  --glow: rgba(91, 140, 255, .14);
  --sh-1: 0 1px 2px rgba(0, 0, 0, .30), 0 0 0 1px rgba(255, 255, 255, .04);
  --sh-2: 0 4px 14px rgba(0, 0, 0, .30), 0 0 0 1px rgba(255, 255, 255, .03);
  --sh-3: 0 8px 28px rgba(0, 0, 0, .45);
  --sh-inset: inset 0 1px 0 rgba(255, 255, 255, .05);
}

/* ---------------- 2. 基础 ---------------- */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; }
[id] { scroll-margin-top: calc(var(--header-h) + 22px); }
/* 用 overflow-x: clip 而不是 hidden：hidden 会把 body 变成滚动容器，
   让页面里所有 position: sticky（购买页价格卡、左侧章节索引）失效。clip 不建立滚动容器。 */
html, body { width: 100%; overflow-x: clip; }

html[data-lang="zh"] [data-lang="en"],
html[data-lang="en"] [data-lang="zh"] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.7 var(--font);
  caret-color: var(--brand);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 { margin: 0; font-weight: 800; letter-spacing: 0; line-height: 1.2; }
p { margin: 0 0 12px; }
a { color: var(--brand-deep); text-decoration: none; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

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

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

.ic { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.ic-lg { width: 22px; height: 22px; }
.ic-xl { width: 30px; height: 30px; }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

::selection { background: color-mix(in srgb, var(--brand) 22%, transparent); }

* { scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { border: 2px solid transparent; border-radius: 999px; background: var(--border-strong); background-clip: content-box; }
*::-webkit-scrollbar-track { background: transparent; }

/* ---------------- 3. 布局 ---------------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 780px; }
.sec { padding: 68px 0; }
.sec--alt { background: var(--bg-alt); }

.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 28%, #000 34%, transparent 82%);
  mask-image: radial-gradient(ellipse 100% 80% at 50% 28%, #000 34%, transparent 82%);
}

.glow { position: absolute; border-radius: 50%; filter: blur(60px); pointer-events: none; }
.hero__glow { width: 420px; height: 420px; left: -140px; top: -120px; background: var(--glow); }

.sec-head { margin-bottom: 26px; }
.sec-head h2 { font-size: 30px; }
.sec-head p { color: var(--text-2); margin-top: 12px; max-width: 760px; }
.sec-head p em { color: var(--text-3); font: 600 12px/1.4 var(--font-mono); font-style: normal; }

/* 滚动淡入：脚本启用后才隐藏元素，失败或减少动效时内容保持可见。 */
.rv-on .rv {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(8px);
  transition: opacity .72s var(--ease), transform .72s var(--ease), filter .72s var(--ease);
}
.rv-on .rv.is-visible { opacity: 1; transform: translateY(0); filter: blur(0); }

/* ---------------- 4. 页头 / 页脚 ---------------- */
.hd {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid var(--border);
}
.hd__in { max-width: var(--max); margin: 0 auto; padding: 0 24px; height: var(--header-h); display: flex; align-items: center; gap: 18px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--text); font-size: 19px; letter-spacing: 0; }
.hd .logo { font-size: 24px; }   /* 页头字标：图形 38px 时 24px 最平衡（等图形高会反压品牌标）；页脚名片锁定仍走 .logo 的 19px */
.logo:hover { text-decoration: none; }
.logo__mark { width: 38px; height: 38px; border-radius: 11px; background: var(--brand); color: #fff; display: flex; align-items: center; justify-content: center; flex: none; box-shadow: 0 10px 22px -14px rgba(51, 112, 255, .9); }
/* 墨匠主图形：实心填充（LogoMark.astro），**不能套 .ic**（.ic 是 fill:none + stroke 的描边类，
   套上去会把实心造型描成空心）。图形自带留白，坐标与方块同系，铺满容器即为官方比例 */
.logo__glyph { width: 100%; height: 100%; flex: none; display: block; }
/* 英文牌名：小一号、等宽、灰、字距拉开，从属于中文，不用斜杠（斜杠是全站「类目 / EN」的写法） */
.logo__en {
  font: 600 11px/1 var(--font-mono);
  letter-spacing: .08em;
  color: var(--text-2);            /* 不用 --text-3：11px 小字在白底只有 3.1:1，不达 AA */
  margin-left: -2px;               /* 容器 gap 9px，收到 7px：英文从属于中文 */
}
/* 页脚竖排两行（名片背面）：墨匠上、DSR.INK 下 */
.logo--stack .logo__txt { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; }
.logo--stack .logo__en { margin-left: 0; }   /* 取消页头那 7px 的从属缩进 */
/* 手机页头只剩 图形 + 「墨匠」：导航项 + 主题按钮 + CTA 已经占满 390px，
   英文全称在 aria-label / title / og:site_name 里都还有，藏掉不损失信息 */
@media (max-width: 700px) { .logo__en { display: none; } }

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a {
  color: var(--text); padding: 6px 9px; border-radius: 8px;
  display: flex; flex-direction: row; align-items: center; line-height: 1.15;
}
.nav__zh { font-size: 14px; font-weight: 700; }
.nav__en { font: 600 9px/1 var(--font-mono); letter-spacing: .06em; color: var(--text-3); }
.nav a:hover:not(.nav-cta) { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav a:hover:not(.nav-cta) .nav__en { color: var(--brand-deep); }
.nav-cta { color: #fff !important; }
.nav-cta span { font-size: 13px; font-weight: 750; }
.nav-cta:hover { background: var(--btn-hover) !important; color: #fff !important; box-shadow: var(--sh-2); text-decoration: none; }

.lang-switch { position: relative; }
.lang-btn {
  appearance: none; display: inline-flex; align-items: center; gap: 6px;
  height: 34px; padding: 0 8px 0 9px; border: 1px solid var(--border);
  border-radius: 9px; background: var(--surface); color: var(--text-2);
  font: 650 12.5px/1 var(--font); cursor: pointer;
}
.lang-btn:hover { border-color: var(--brand); color: var(--brand-deep); }
.lang-btn__icon { width: 16px; height: 16px; }
.lang-btn__chev { width: 13px; height: 13px; transition: transform .18s var(--ease); }
.lang-btn[aria-expanded="true"] .lang-btn__chev { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; width: 148px;
  padding: 6px; border: 1px solid var(--border); border-radius: 13px;
  background: var(--surface); box-shadow: var(--sh-3);
}
.lang-menu[hidden] { display: none; }
.lang-option {
  appearance: none; display: flex; align-items: center; gap: 8px;
  width: 100%; border: 0; border-radius: 8px; padding: 8px 9px;
  background: transparent; color: var(--text); font: 650 13px/1.2 var(--font);
  cursor: pointer; text-align: left;
}
.lang-option:hover { background: var(--bg-soft); }
.lang-option__check { display: none; width: 15px; height: 15px; color: var(--brand); }
.lang-option[aria-checked="true"] .lang-option__check { display: inline-flex; }

.theme-btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text-2); width: 32px; height: 32px; border-radius: 8px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex: none;
}
.theme-btn:hover { border-color: var(--brand); color: var(--brand); }
/* 浅色显示月亮（切到深色），深色显示太阳（切回浅色） */
.theme-btn .theme-ico { display: none; }
.theme-btn .theme-ico--moon { display: block; }
html[data-theme="dark"] .theme-btn .theme-ico--moon { display: none; }
html[data-theme="dark"] .theme-btn .theme-ico--sun { display: block; }

.nav-toggle {
  appearance: none; border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text-2); width: 32px; height: 32px; border-radius: 8px; cursor: pointer;
  display: none; align-items: center; justify-content: center; flex: none;
  padding: 0;
}
.nav-toggle:hover { border-color: var(--brand); color: var(--brand); }

.nav-scrim {
  position: fixed; inset: 0; z-index: 55;
  display: none;
  background: rgba(15, 23, 42, .42);
  opacity: 0; transition: opacity .24s var(--ease);
}
.nav-scrim.is-open { display: block; opacity: 1; }

.mobile-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: flex; flex-direction: column; gap: 14px;
  padding: 8px 18px calc(18px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  border: 1px solid var(--border); border-bottom: 0;
  border-radius: 26px 26px 0 0;
  box-shadow: var(--sh-3);
  transform: translateY(calc(100% + 24px));
  transition: transform .34s var(--ease);
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav[hidden] { display: none; }
.mobile-nav__handle {
  position: relative; width: 72px; height: 18px; margin: 0 auto;
  cursor: grab; touch-action: none;
}
.mobile-nav__handle::before {
  content: ""; position: absolute; left: 15px; right: 15px; top: 5px;
  height: 4px; border-radius: 999px; background: var(--border-strong);
}
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; }
.mobile-nav__head div { display: flex; flex-direction: column; }
.mobile-nav__head b { font-size: 18px; line-height: 1.2; }
.mobile-nav__head span { color: var(--text-3); font: 600 10px/1.2 var(--font-mono); letter-spacing: .08em; }
.mobile-nav nav { display: grid; gap: 4px; grid-template-columns: 1fr 1fr; }
.mobile-nav nav a {
  padding: 12px 10px; border-radius: 14px;
  border: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text); display: flex; flex-direction: row; gap: 2px;
}
.mobile-nav nav a span { font-weight: 750; font-size: 13.5px; }
.mobile-nav nav a:hover { background: var(--bg-soft); text-decoration: none; }
.mobile-nav nav a.on { color: var(--brand-deep); border-color: color-mix(in srgb, var(--brand) 35%, var(--border)); background: var(--brand-soft); }
.mobile-nav__install { margin-top: 2px; }
.mobile-nav__pro { text-align: center; color: var(--text-2); font-size: 13px; font-weight: 650; }

.ft { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 46px 0 26px; margin-top: 0; }
.ft__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 34px; }
.ft h4 { font-size: 13px; color: var(--text); margin-bottom: 12px; letter-spacing: 0; }
.ft ul { list-style: none; margin: 0; padding: 0; }
.ft li { margin-bottom: 8px; }
.ft li a { color: var(--text-2); font-size: 13.5px; }
.ft__brand p { color: var(--text-2); font-size: 13px; margin-top: 12px; max-width: 340px; }
.ft__base {
  display: flex; justify-content: space-between; align-items: center; gap: 10px 18px; flex-wrap: wrap;
  margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--border);
  color: var(--text-3); font-size: 12.5px;
}
/* 备案信息一组（ICP + 公安）：整组不拆散，窄屏整体换行 */
.ft__beian { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 6px 18px; }
.ft__beian a { color: inherit; font-size: 12.5px; }
.ft__beian a:hover { color: var(--text-2); text-decoration: underline; }
/* 徽标 + 公安备案号：inline-flex 保证图片和文字不被父级 flex 挤散 */
.ft__beian-g { display: inline-flex; align-items: center; gap: 6px; }
/* 公安备案徽标：官方徽标本身细节就密，放到和 12.5px 备案号同级（16px）才不抢视线 */
.ft__gongan { width: 16px; height: 16px; flex: none; display: block; opacity: .92; }
@media (max-width: 560px) {
  .ft__base { justify-content: flex-start; }
  .ft__beian { gap: 6px 14px; }
}

/* ---------------- 5. 按钮 / 徽章 ---------------- */
.btn {
  appearance: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--r-md);
  border: 1px solid var(--border-strong); background: var(--surface);
  color: var(--text); font: 600 14px/1.2 var(--font); cursor: pointer;
  transition: background .14s var(--ease), border-color .14s var(--ease), transform .1s var(--ease), box-shadow .14s var(--ease);
}
.btn:hover { border-color: var(--brand); text-decoration: none; box-shadow: var(--sh-1); }
.btn--primary {
  background: var(--btn); color: #fff; border-color: transparent;
  box-shadow: 0 2px 0 #1B48B0, var(--sh-2);
}
.btn--primary:hover { background: var(--btn-hover); box-shadow: 0 3px 0 #14357F, var(--sh-3); color: #fff; }
.btn--primary:active { transform: translateY(2px); box-shadow: 0 0 0 #1B46B8, var(--sh-1); }
.btn--lg { padding: 13px 24px; font-size: 15px; }
.btn--sm { padding: 7px 13px; font-size: 13px; border-radius: var(--r-sm); }
.btn--block { width: 100%; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px; font: 600 12px/1.4 var(--font);
  background: var(--surface-3); color: var(--text-2); border: 1px solid var(--border);
}
.badge--brand { background: var(--brand-soft); color: var(--brand-deep); border-color: color-mix(in srgb, var(--brand) 25%, transparent); }
.badge--green { background: color-mix(in srgb, var(--green) 12%, transparent); color: var(--green); border-color: color-mix(in srgb, var(--green) 25%, transparent); }

/* ---------------- 6. 首屏 · 实感演示 ---------------- */
.hero { position: relative; overflow: hidden; padding: 64px 0 76px; }
/* 海报底：低对比、缓慢流动的渐变体，首页唯一的动态氛围层 */
.hero::before {
  content: "";
  position: absolute; inset: -22% -12% auto -12%; height: 132%;
  pointer-events: none;
  background:
    radial-gradient(44% 56% at 16% 26%, color-mix(in srgb, var(--brand) 26%, transparent), transparent 68%),
    radial-gradient(40% 54% at 82% 18%, color-mix(in srgb, var(--purple) 22%, transparent), transparent 70%),
    radial-gradient(48% 62% at 58% 82%, color-mix(in srgb, var(--brand) 16%, transparent), transparent 72%);
  filter: blur(36px);
  opacity: .8;
  animation: hero-flow 24s ease-in-out infinite alternate;
}
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 40px; align-items: center; position: relative; z-index: 2; }
.hero h1 { font-size: clamp(38px, 4.2vw, 52px); line-height: 1.12; letter-spacing: 0; overflow-wrap: anywhere; }
.hero h1 em,
.priv-banner h3 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero h1 em {
  background-image: linear-gradient(105deg, var(--brand-deep), var(--brand) 34%, var(--purple) 58%, var(--brand-deep) 82%);
  background-size: 220% 100%;
  background-position: 0% 50%;
  animation: hero-gradient-flow 14s linear infinite;
}
.hero__lede { color: var(--text-2); font-size: 16.5px; margin: 16px 0 0; max-width: 540px; overflow-wrap: anywhere; }
.hero__en { color: var(--text-3); font-size: 13px; margin: 8px 0 0; max-width: 520px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 14px; }
.hero__mono { font: 12.5px/1.6 var(--font-mono); color: var(--text-3); }

.kicker {
  display: inline-flex; flex-direction: column; gap: 5px;
  margin: 0 0 16px;
}
.kicker span {
  width: max-content; padding: 6px 11px;
  border: 1px solid color-mix(in srgb, var(--brand) 24%, var(--border));
  border-radius: 999px; background: var(--brand-soft);
  color: var(--brand-deep); font: 750 12px/1.2 var(--font-mono); letter-spacing: .08em;
}
.kicker small { color: var(--text-2); font-size: 12.5px; font-weight: 650; }

.eyebrow {
  display: block; margin-bottom: 10px;
  color: var(--brand-deep); font: 750 11px/1.3 var(--font-mono);
  letter-spacing: .12em; text-transform: uppercase;
}
.sec-head h2 { position: relative; padding-bottom: 12px; }
.sec-head h2::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 58px; height: 3px; border-radius: 999px;
  background: var(--grad);
}
.sec-head--center h2::after { left: 50%; transform: translateX(-50%); }

.spec-strip {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px; margin: 24px 0 0;
}
.spec {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 12px; border: 1px solid var(--border);
  border-radius: var(--r-lg); background: var(--surface);
  box-shadow: var(--sh-1);
}
.spec strong {
  font-size: clamp(28px, 3vw, 38px); line-height: 1; letter-spacing: 0;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.spec span { font-size: 12px; font-weight: 750; line-height: 1.35; color: var(--text); }
.spec span em { color: var(--text-3); font: 600 9.5px/1.2 var(--font-mono); letter-spacing: .04em; }

.card-en { color: var(--brand-deep); font: 650 11.5px/1.35 var(--font-mono); }

.hero-facts {
  display: flex; flex-wrap: wrap; gap: 8px;
  list-style: none; margin: 22px 0 0; padding: 0;
}
.hero-facts li {
  padding: 6px 10px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--text-2);
  font-size: 12.5px; font-weight: 650;
}

/* 浏览器窗口（3D 微透视） */
.hero__demo { position: relative; }
.demo-trust {
  display: inline-flex; align-items: center; gap: 9px;
  margin: 0 0 10px 8px; padding: 7px 12px;
  border: 1px solid color-mix(in srgb, var(--brand) 18%, var(--border));
  border-radius: 999px; background: color-mix(in srgb, var(--surface) 86%, var(--brand-soft));
  box-shadow: var(--sh-1);
  color: var(--text-2); font: 600 11.5px/1 var(--font-mono); letter-spacing: .02em;
}
.demo-trust span { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.demo-trust .ic { width: 13px; height: 13px; color: var(--green); }
.demo-trust i { width: 1px; height: 12px; background: var(--border-strong); }
.brw {
  border-radius: 14px; border: 1px solid var(--border); background: var(--surface);
  box-shadow: var(--sh-3); overflow: hidden;
  transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg);
  animation: float-a 8s var(--ease) infinite;
}
.brw__bar { height: 36px; display: flex; align-items: center; gap: 10px; padding: 0 12px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.brw__dots { display: flex; gap: 6px; }
.brw__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.brw__bar .url { flex: 1; font-size: 11px; color: var(--text-3); background: var(--bg-soft); border: 1px solid var(--border); border-radius: 6px; padding: 3px 9px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brw__body { position: relative; padding: 16px 272px 22px 16px; min-height: 500px; background: var(--bg); }

.doc__ttl { font-size: 19px; font-weight: 700; letter-spacing: 0; }
.doc__meta { font-size: 10.5px; color: var(--text-3); margin: 4px 0 12px; }
.doc__source { margin-bottom: 7px; color: var(--brand-deep); font-size: 9.5px; letter-spacing: .05em; }
.doc__p { margin: 0 0 10px; color: var(--text-2); font-size: 11.5px; line-height: 1.65; }
.doc__blk { height: 9px; border-radius: 4px; background: var(--bg-alt); box-shadow: inset 0 0 0 1px var(--border); margin-bottom: 8px; }
.doc__blk.w95 { width: 95%; } .doc__blk.w88 { width: 88%; } .doc__blk.w72 { width: 72%; } .doc__blk.w60 { width: 60%; }
.doc__blk:nth-child(4) { animation-delay: .5s; } .doc__blk:nth-child(5) { animation-delay: 1s; } .doc__blk:nth-child(7) { animation-delay: 1.5s; } .doc__blk:nth-child(8) { animation-delay: 2s; }
.doc__h { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; margin: 12px 0 9px; }
.doc__h > span:first-child { width: 3px; height: 14px; border-radius: 2px; background: var(--brand); }
.doc__tbl { display: flex; flex-direction: column; gap: 4px; margin: 10px 0; }
.doc__tbl i { height: 22px; border-radius: 4px; background: var(--bg-alt); box-shadow: inset 0 0 0 1px var(--border); }
.doc__tbl i:first-child { background: var(--brand-soft); }
.doc__pic {
  height: 54px; border-radius: 8px; margin: 10px 0 4px; display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  background: repeating-linear-gradient(45deg, var(--bg-alt) 0 8px, var(--surface-2) 8px 16px);
  box-shadow: inset 0 0 0 1px var(--border);
}

/* 悬浮球 48px：球面就是墨匠主图形（蓝底圆角方 + 白曲尺 + 青墨滴），与插件 floating.js 同一造型 */
.fball {
  position: absolute; right: 16px; bottom: 46px; width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  filter: drop-shadow(0 6px 14px rgba(51, 112, 255, .38)) drop-shadow(0 2px 4px rgba(15, 23, 42, .18));
}
.fball__glyph { width: 100%; height: 100%; display: block; }
/* 墨滴轻微呼吸：与插件里的动效同一个节奏 */
.fball__drop { transform-box: fill-box; transform-origin: center; animation: fballDrop 3.6s ease-in-out infinite; }
@keyframes fballDrop { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-2.5px) scale(1.05); } }
/* 悬浮助手快捷菜单：首页海报按插件真实界面还原（232px / 双标签 / Pro 色块） */
.fpanel {
  position: absolute;
  z-index: 3;
  --parallax-y: 0px;
  top: 34px;
  right: 18px;
  width: 232px;
  padding: 6px;
  border: 1px solid #E5E8EF;
  border-radius: 14px;
  background: rgba(255, 255, 255, .97);
  color: #1A1D24;
  box-shadow: 0 14px 36px rgba(15, 23, 42, .18), 0 2px 8px rgba(15, 23, 42, .08);
  animation: float-b 7s var(--ease) infinite;
  will-change: transform;
}

.fpanel__hd {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  padding: 5px 6px 7px;
}

.fpanel__hd > i {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 2px;
  background: #3370FF;
  box-shadow: 0 0 0 2.5px rgba(51, 112, 255, .16);
}

.fpanel__hd b {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  color: #1A1D24;
  font-size: 11.5px;
  font-weight: 650;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fpanel__ver {
  flex: none;
  color: #8A92A2;
  font-size: 9.5px;
  opacity: .9;
}

.fpanel__tag {
  flex: none;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(125, 134, 153, .12);
  color: #63708A;
  font-size: 9.5px;
  font-weight: 600;
  line-height: 1.35;
}

.fpanel__close {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  flex: none;
  border-radius: 6px;
  color: #8A92A2;
}

.fpanel__close .ic {
  width: 12px;
  height: 12px;
}

.fpanel__tabs {
  display: flex;
  gap: 3px;
  margin-bottom: 6px;
  padding: 3px;
  border: 1px solid #E5E8EF;
  border-radius: 9px;
  background: #F4F6FA;
}

.fpanel__tabs span {
  flex: 1;
  padding: 5px 4px;
  border-radius: 7px;
  color: #8A92A2;
  font-size: 10.5px;
  font-weight: 550;
  line-height: 1.3;
  text-align: center;
}

.fpanel__tabs .on {
  background: #fff;
  color: #3370FF;
  box-shadow: 0 1px 4px rgba(20, 34, 74, .12);
}

.fpanel__pro {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  margin-bottom: 6px;
  padding: 6px 8px;
  border-radius: 9px;
  background: #2563EB;
  color: #fff;
  box-shadow: 0 7px 18px -14px rgba(37, 99, 235, .95);
}

.fpanel__pro-ico {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: none;
  border-radius: 7px;
  background: rgba(255, 255, 255, .16);
}

.fpanel__pro-ico .ic {
  width: 14px;
  height: 14px;
}

.fpanel__pro b {
  flex: 1;
  min-width: 0;
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.3;
}

.fpanel__pro > span:last-child {
  flex: none;
  color: rgba(255, 255, 255, .9);
  font-size: 10px;
  font-weight: 700;
}

.fpanel__list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.fpanel__item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 6px 8px;
  border: 1px solid #E5E8EF;
  border-radius: 9px;
  background: #fff;
}

.fpanel__ic {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: 8px;
  background: #EFF4FF;
  color: #3370FF;
}

.fpanel__ic .ic {
  width: 16px;
  height: 16px;
}

.fpanel__nm {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  color: #1A1D24;
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fpanel__pbadge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 18px;
  flex: none;
  padding: 0 5px;
  border: 1px solid rgba(51, 112, 255, .25);
  border-radius: 5px;
  background: rgba(51, 112, 255, .12);
  color: #3370FF;
  font-size: 8.5px;
  font-weight: 800;
  line-height: 1;
}

.fpanel__item--violet {
  border-color: #E4D8FF;
  background: #F7F2FF;
}

.fpanel__item--violet .fpanel__ic {
  background: rgba(124, 58, 237, .12);
  color: #7C3AED;
}

.fpanel__item--green {
  border-color: #CDE9D6;
  background: #F1FAF4;
}

.fpanel__item--green .fpanel__ic {
  background: rgba(21, 128, 61, .12);
  color: #15803D;
}

.fpanel__item--red {
  border-color: #F5D1D1;
  background: #FFF2F2;
}

.fpanel__item--red .fpanel__ic {
  background: rgba(220, 38, 38, .10);
  color: #DC2626;
}

.fpanel__item--amber {
  border-color: #F4DFB5;
  background: #FFF8E9;
}

.fpanel__item--amber .fpanel__ic {
  background: rgba(217, 119, 6, .12);
  color: #D97706;
}

.fpanel__utils {
  display: flex;
  gap: 5px;
  margin-top: 6px;
}

.fpanel__utils span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-width: 0;
  flex: 1;
  padding: 6px 3px;
  border: 1px solid #E5E8EF;
  border-radius: 8px;
  color: #8A92A2;
  font-size: 9px;
  line-height: 1.2;
  white-space: nowrap;
}

.fpanel__utils .ic {
  width: 12px;
  height: 12px;
  flex: none;
}

/* 侧边栏面板 168px（照 panel.html） */
.pmock {
  position: absolute; right: 74px; top: 40px; width: 168px;
  bottom: 26px;
  display: flex; flex-direction: column;
  background: #171A22; border: 1px solid #2A2F3B; border-radius: 10px; padding: 8px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .30); color: #EEF0F4;
}
.pmock__hd { display: flex; align-items: center; gap: 6px; padding: 2px 2px 8px; border-bottom: 1px solid #2A2F3B; }
.pmock__hd b { font-size: 11.5px; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pmock__hd .badge { font-size: 9.5px; padding: 1px 6px; }
.pmock__t { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-top: 7px; }
.pmock__t div { display: flex; flex-direction: column; gap: 3px; padding: 6px; border-radius: 7px; background: #1F242E; font-size: 9.5px; color: #ADB4C2; }
.pmock__t div.hi {
  grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 7px;
  color: #EEF0F4; background: #2459D6; box-shadow: inset 0 0 0 1px rgba(145, 184, 255, .45);
}
.pmock__t .ic { width: 12px; height: 12px; color: #5B8CFF; }
.pmock__t { flex: 1; align-content: start; }
.pmock__foot {
  display: flex; align-items: center; gap: 6px; margin-top: 8px; padding-top: 8px;
  border-top: 1px solid #2A2F3B; color: #9CA5B5; font-size: 9px; line-height: 1.35;
}
.pmock__foot .ic { width: 12px; height: 12px; color: #51D18D; flex: none; }

/* 母题 M1：页面 → 箭头 → 文件 */
.xf { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
.xf__tag { flex: none; font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--text-3); }
.xf__arrow { position: relative; flex: 1; height: 2px; background: var(--grad); border-radius: 2px; }
.xf__arrow::after { content: ""; position: absolute; right: -1px; top: -4px; border-left: 6px solid var(--brand); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.xf__arrow i { position: absolute; top: -2px; width: 6px; height: 6px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 2px var(--brand); animation: travel 3.2s var(--ease) infinite; }
.xf__out { flex: none; display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--text-2); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 11px; box-shadow: var(--sh-1); }
.xf__out b { font-size: 12px; color: var(--text); }
.xf__out span { color: var(--text-3); }
.xf__out span:nth-child(3) { animation-delay: .35s; }
.xf__out span:nth-child(4) { animation-delay: .7s; }
.xf__out span:nth-child(5) { animation-delay: 1.05s; }

@keyframes travel { 0% { left: 0; opacity: 0; } 12% { opacity: 1; } 88% { opacity: 1; } 100% { left: calc(100% - 6px); opacity: 0; } }
@keyframes float-a {
  0%, 100% { transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg) translateY(0); }
  50% { transform: perspective(1400px) rotateY(-2.4deg) rotateX(.8deg) translateY(-10px); }
}
@keyframes float-b {
  0%, 100% { transform: translate3d(0, var(--parallax-y, 0px), 0); }
  50% { transform: translate3d(0, calc(var(--parallax-y, 0px) - 8px), 0); }
}
@keyframes hero-gradient-flow {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}
@keyframes hero-flow {
  0%   { transform: translate3d(-2%, -1.5%, 0) scale(1.04) rotate(-1deg); }
  50%  { transform: translate3d(2.5%, 1%, 0) scale(1.10) rotate(1.5deg); }
  100% { transform: translate3d(-1%, 2%, 0) scale(1.05) rotate(-1.5deg); }
}

/* 信任条 */
.trust-bar { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.trust-bar .wrap {
  display: flex; gap: 12px 24px; flex-wrap: wrap; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.trust-bar span { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 650; line-height: 1.5; color: var(--text); }
.trust-bar .ic { width: 17px; height: 17px; color: var(--green); }
.trust-bar b { font-weight: 750; }
.trust-bar small { color: var(--text-3); font: 600 10.5px/1.2 var(--font-mono); letter-spacing: .03em; }

/* ---------------- 7. 产品矩阵 / 卡片 ---------------- */
.cap-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.cap-card {
  display: flex; flex-direction: column; min-height: 260px;
  padding: 22px;
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .13), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-1);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.cap-card:nth-child(2) {
  background:
    radial-gradient(circle at 100% 0%, rgba(123, 92, 255, .14), transparent 36%),
    var(--surface);
}
.cap-card:nth-child(3) {
  background:
    radial-gradient(circle at 100% 0%, rgba(230, 91, 58, .13), transparent 36%),
    var(--surface);
}
.cap-card:nth-child(4) {
  background:
    radial-gradient(circle at 100% 0%, rgba(26, 156, 79, .13), transparent 36%),
    var(--surface);
}
.cap-card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--sh-3); }
.cap-card__top { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.cap-card__ico {
  width: 48px; height: 48px; flex: none; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--bg-soft); color: var(--brand-deep);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.cap-card:hover .cap-card__ico { background: var(--surface-2); }
.cap-card__ico .ic { width: 21px; height: 21px; }
.cap-card__ico .iart { width: 36px; height: 36px; display: block; }
.cap-card__tag { margin-left: auto; color: var(--text-3); font-size: 10px; letter-spacing: .1em; }
.cap-card h3 { max-width: 460px; font-size: 21px; line-height: 1.28; }
.cap-card p { max-width: 520px; margin: 10px 0 0; color: var(--text-2); font-size: 14px; }
.cap-card ul {
  display: flex; flex-wrap: wrap; gap: 7px 14px;
  list-style: none; margin: auto 0 0; padding: 18px 0 0;
}
.cap-card li { display: inline-flex; align-items: center; gap: 5px; color: var(--text-2); font-size: 12.5px; }
.cap-card li .ic { width: 13px; height: 13px; color: var(--brand); }

.sec-head--center { text-align: center; }
.sec-head--center p { margin-left: auto; margin-right: auto; }

.platform-grid {
  display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 10px;
}
.platform-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  min-width: 0; min-height: 106px; padding: 14px 8px;
  border: 1px solid var(--border); border-radius: 12px;
  background:
    radial-gradient(circle at 50% 0%, rgba(51, 112, 255, .10), transparent 42%),
    var(--surface);
  box-shadow: var(--sh-1); text-align: center;
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.platform-card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--sh-3); }
.platform-card__mark {
  width: 46px; height: 46px; flex: none; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--border);
}
.platform-card__mark img {
  width: 26px; height: 26px; display: block; object-fit: contain;
}
/* X 官方标是纯黑填充，深色主题下反相，保证可见 */
html[data-theme="dark"] .platform-card__mark img[src$="/x.svg"] { filter: invert(1); }
.platform-card b { min-width: 0; font-size: 12px; line-height: 1.25; overflow-wrap: anywhere; }
.platform-note { margin: 16px 0 0; color: var(--text-3); font-size: 12.5px; text-align: center; }

.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.prod-card {
  position: relative; display: flex; flex-direction: column; gap: 10px;
  padding: 20px; border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface); box-shadow: var(--sh-2); color: var(--text);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--sh-3); border-color: var(--brand); text-decoration: none; }
.prod-card__top { display: flex; align-items: center; gap: 10px; }
.prod-card__icon { width: 44px; height: 44px; border-radius: 12px; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; flex: none; }
.prod-card__top .badge { margin-left: auto; }
.prod-card h3 { font-size: 19px; }
.prod-card__en { font: 11.5px/1.5 var(--font-mono); color: var(--text-3); margin-top: 3px; }
.prod-card p { color: var(--text-2); font-size: 13.5px; margin: 0; }
.prod-card__link { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--brand-deep); margin-top: auto; }
/* 母题 M2：折角 */
.prod-card.m-fold::after {
  content: ""; position: absolute; top: 0; right: 0; width: 26px; height: 26px;
  background: linear-gradient(225deg, var(--bg-alt) 50%, transparent 50%);
  border-top-right-radius: var(--r-lg); border-left: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.prod-card--soon { border-style: dashed; box-shadow: none; background: transparent; }
.prod-card--soon:hover { transform: none; box-shadow: none; border-color: var(--border-strong); }
.soon-ico { width: 44px; height: 44px; border-radius: 12px; border: 1px dashed var(--border-strong); color: var(--text-3); display: flex; align-items: center; justify-content: center; }

.priv-banner {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 26px 28px; border: 1px solid var(--border); border-radius: var(--r-xl);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-2);
}
.priv-banner .ic { color: var(--green); }
.priv-banner h3 { font-size: 20px; margin-bottom: 8px; }
.priv-banner p { color: var(--text-2); font-size: 14px; margin: 0; }

/* ---------------- 8. 功能区 ---------------- */
.feat-layout { display: grid; grid-template-columns: 1.25fr 1fr; gap: 16px; }
.feat-col { display: flex; flex-direction: column; gap: 16px; }
.feat, .feat-lead {
  border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px;
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-1);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.feat:hover, .feat-lead:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--sh-3); }
.feat { display: flex; gap: 12px; align-items: flex-start; }
.feat__ico, .feat-lead__ico { width: 44px; height: 44px; border-radius: 12px; background: var(--bg-soft); color: var(--brand-deep); display: flex; align-items: center; justify-content: center; flex: none; }
.feat b { display: block; font-size: 14.5px; }
.feat em, .feat-lead em { display: block; color: var(--brand-deep); font: 650 10.5px/1.3 var(--font-mono); letter-spacing: .03em; font-style: normal; }
.feat > div > span { display: block; font-size: 13px; color: var(--text-2); margin-top: 4px; }
.feat-lead { display: flex; gap: 14px; }
.feat-lead b { display: block; font-size: 17px; margin-bottom: 6px; }
.feat-lead > div > span { font-size: 13.5px; color: var(--text-2); }
.mono-tag { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.mono-tag span { font: 11px/1.6 var(--font-mono); padding: 2px 7px; border-radius: 5px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); }
.pro-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }

/* 对照表 */
.cmp-wrap { border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--sh-1); overflow-x: auto; }
.cmp { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 14px; }
.cmp th, .cmp td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.cmp-en { display: block; color: var(--text-3); font: 600 10px/1.3 var(--font-mono); letter-spacing: .02em; }
.cmp thead th { font-size: 12.5px; color: var(--text-2); font-weight: 600; background: var(--surface-2); }
.cmp .c-free, .cmp .c-pro { text-align: center; width: 150px; }
.cmp .c-pro { background: color-mix(in srgb, var(--brand) 5%, transparent); }
.cmp tbody tr:hover { background: var(--bg-soft); }
.cmp .row-cat td { font: 600 11.5px/1.5 var(--font-mono); letter-spacing: .08em; color: var(--text-3); background: var(--bg-alt); }
.cmp .ok-ic { color: var(--green); width: 18px; }
.cmp .no-ic { color: var(--text-3); opacity: .7; width: 15px; }
.cmp-note { margin: 12px 0 0; font-size: 12.5px; color: var(--text-3); }

/* 安装渠道 */
.chan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.chan {
  display: flex; flex-direction: column; gap: 9px; align-items: flex-start; padding: 20px;
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-1);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.chan:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--sh-3); }
.chan__ico { width: 46px; height: 46px; border-radius: 12px; background: var(--bg-soft); color: var(--brand-deep); display: flex; align-items: center; justify-content: center; }
.chan:hover .chan__ico { background: var(--surface-2); }
.chan b { font-size: 15px; }
.chan p { color: var(--text-2); font-size: 13.5px; margin: 0; flex: 1; }

/* ---------------- 9. 付费页（移动优先 + 容器查询） ---------------- */
.buy-hero {
  position: relative; overflow: hidden; text-align: center;
  padding: 56px 22px 10px;
}
.buy-hero::before {
  content: ""; position: absolute; left: 50%; top: -220px;
  width: 620px; height: 420px; border-radius: 50%;
  transform: translateX(-50%);
  background: var(--glow); filter: blur(60px); pointer-events: none;
}
.buy-hero > * { position: relative; z-index: 2; }
.buy-hero h1 { font-size: clamp(26px, 3.4vw, 34px); margin: 12px 0 10px; }
.buy-hero p { color: var(--text-2); margin: 0 auto; max-width: 470px; }

.feature-hint {
  display: flex; gap: 10px; align-items: flex-start; max-width: var(--max); margin: 22px auto 0;
  padding: 12px 16px; border-radius: var(--r-md); background: var(--brand-soft); color: var(--brand-deep);
  font-size: 13.5px; line-height: 1.6;
}
.feature-hint .ic { margin-top: 2px; }

/* 注意：这里曾经用 container-type: inline-size + @container 做购买页双栏。
   inline-size 容器会带上 layout containment，实测会把右栏的 position: sticky 压死，
   所以改回普通媒体查询，改用宽度断点控制双栏。 */
.buy-shell { }
.buy-grid { display: grid; grid-template-columns: 1fr; gap: 22px; max-width: var(--max); margin: 26px auto 0; padding: 0 24px 72px; }
.buy-sec-title { font-size: 20px; margin: 0 0 16px; }

.buy-steps { list-style: none; margin: 0; padding: 0; }
.buy-steps li { position: relative; display: flex; gap: 16px; padding: 0 0 24px; }
.buy-steps li:last-child { padding-bottom: 0; }
.buy-steps li::after {
  content: ""; position: absolute; left: 25px; top: 54px; bottom: 6px; width: 2px;
  background: repeating-linear-gradient(180deg, var(--border-strong) 0 4px, transparent 4px 8px);
}
.buy-steps li:last-child::after { display: none; }
.buy-steps b { display: block; font-size: 15.5px; margin: 3px 0 4px; }
.buy-steps p { margin: 0; color: var(--text-2); font-size: 14px; }
.buy-steps .hl { color: var(--brand-deep); font-weight: 600; }

.tut-shots { display: grid; gap: 12px; margin-top: 12px; }
.tut-visual {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}
.tut-visual .gv { min-height: 176px; }
.tut-visual__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.tut-visual__steps span {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 11.5px;
  line-height: 1.35;
}
.tut-visual__steps b {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-deep);
  display: grid;
  place-items: center;
  flex: none;
  font-size: 10px;
}
.benefit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.benefit {
  display: flex; gap: 10px; align-items: flex-start; padding: 14px 16px;
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-1); font-size: 13.5px; color: var(--text-2);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.benefit:hover { transform: translateY(-3px); border-color: var(--brand); box-shadow: var(--sh-3); }
.benefit .ic { color: var(--brand); width: 18px; height: 18px; margin-top: 1px; }
.benefit b { color: var(--text); display: block; font-size: 13.5px; }
.fineprint { color: var(--text-3); font-size: 12.5px; line-height: 1.75; margin-top: 24px; padding-top: 16px; border-top: 1px dashed var(--border); }

.price-card {
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  border: 1px solid var(--border); border-radius: var(--r-xl);
  box-shadow: var(--sh-3); border-top: 3px solid var(--brand); padding: 24px 22px; text-align: center; order: -1;
}
.price { display: flex; align-items: baseline; justify-content: center; gap: 8px; }
  .price strong { font-size: 46px; font-weight: 800; letter-spacing: 0; line-height: 1.1; color: var(--text); }
.price span { color: var(--text-2); font-size: 14px; font-weight: 600; }
.price-tag { color: var(--text-3); font: 11.5px/1.5 var(--font-mono); margin: 4px 0 16px; }
.price-perks { list-style: none; margin: 0 0 18px; padding: 0; text-align: left; font-size: 13.5px; color: var(--text-2); }
.price-perks li { display: flex; gap: 8px; align-items: center; padding: 5px 0; }
.price-perks .ic { width: 15px; height: 15px; color: var(--green); }
.qr-hint { font-weight: 600; font-size: 14.5px; margin: 14px 0 4px; }
.qr-hint em { font-style: normal; color: var(--brand-deep); }
.qr-sub { color: var(--text-3); font-size: 12.5px; margin: 0 0 14px; line-height: 1.6; }

@media (min-width: 760px) {
  .buy-grid { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; }
  .price-card { order: 2; position: sticky; top: calc(var(--header-h) + 18px); align-self: start; }
  .buy-main { min-width: 0; }
}

/* ---------------- 10. 占位（二维码 / 截图） ---------------- */
.qr-ph {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  aspect-ratio: 1 / 1; width: 100%; max-width: 220px; margin: 0 auto;
  border: 1px solid var(--border); border-radius: 14px; background: #fff;
  color: var(--text-3); text-align: center; padding: 14px;
}
.qr-ph .ic { width: 34px; height: 34px; }
.qr-ph b { font-size: 13px; color: var(--text-2); }
.qr-ph span { font-size: 11px; line-height: 1.5; }
.qr-ph img { width: 100%; height: 100%; object-fit: contain; }
.qr-ph--contact { aspect-ratio: auto; min-height: 220px; }
.qr-ph--wechat {
  position: relative; overflow: hidden;
  background:
    linear-gradient(90deg, rgba(7, 193, 96, .06) 1px, transparent 1px),
    linear-gradient(rgba(7, 193, 96, .06) 1px, transparent 1px),
    #fff;
  background-size: 18px 18px;
  border-color: color-mix(in srgb, #07C160 28%, var(--border));
}
.qr-ph__empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.qr-ph__eyebrow { color: #078A46 !important; font-size: 9px !important; letter-spacing: .12em; }
.qr-ph__glyph {
  width: 92px; height: 92px; display: grid; place-items: center; border-radius: 18px;
  background: #fff; color: #078A46; box-shadow: var(--sh-2);
}
.qr-ph__glyph .ic { width: 54px; height: 54px; stroke-width: 1.7; }
.qr-ph__empty b { color: var(--text) !important; font-size: 14px !important; }
.qr-ph__empty > span:last-child { color: var(--text-2) !important; font-size: 11.5px !important; }

.shot {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  min-height: 120px; padding: 18px 12px; text-align: center;
  border: 1px dashed var(--border-strong); border-radius: var(--r-md); background: var(--surface-2);
  color: var(--text-3); font-size: 12px; line-height: 1.6;
}
.shot .ic { width: 26px; height: 26px; }
.shot b { display: block; font-size: 12.5px; color: var(--text-2); }

.shots-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 12px 0 30px; }
.chapter-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0 22px; }

/* ---------------- 11. FAQ / 文档页 ---------------- */
.faq {
  border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--sh-1); overflow: hidden;
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .08), transparent 30%),
    var(--surface);
}
.faq details { border-bottom: 1px solid var(--border); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  display: flex; align-items: center; gap: 10px; cursor: pointer; list-style: none;
  padding: 15px 18px; font-weight: 600; font-size: 14.5px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { background: var(--bg-soft); }
.faq summary .chev { margin-left: auto; transition: transform .2s var(--ease); color: var(--text-3); }
.faq details[open] summary .chev { transform: rotate(180deg); }
.faq details p, .faq details ol, .faq details ul { margin: 0; padding: 0 18px 16px 46px; color: var(--text-2); font-size: 14px; }

.doc h2 { font-size: 19px; margin: 28px 0 10px; }
.doc ol, .doc ul { color: var(--text-2); padding-left: 22px; }
.doc li { margin-bottom: 7px; }
.callout {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; margin: 18px 0;
  border-radius: var(--r-md); background: var(--brand-soft); color: var(--brand-deep); font-size: 14px; line-height: 1.6;
}
.callout .ic { margin-top: 3px; flex: none; }

.log { display: flex; flex-direction: column; gap: 22px; }
.log-item { padding-left: 18px; border-left: 2px solid var(--border); }
.log-item h3 { margin: 0 0 2px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.log-item time { font: 12px/1.6 var(--font-mono); color: var(--text-3); }
.log-item ul { margin: 10px 0 0; padding-left: 18px; color: var(--text-2); font-size: 14px; }

.anchor-nav { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 22px; }
.anchor-nav a { font-size: 13px; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-2); background: var(--surface); }
.anchor-nav a:hover { border-color: var(--brand); color: var(--brand-deep); text-decoration: none; }

/* ---------------- 11.5 内页版式（工作室手册风格） ---------------- */

/* ---- 版心：左侧章节索引 + 右侧正文，像一本工具手册而不是通用卡片页 ---- */
.page-shell {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 54px; align-items: start;
}
.page-shell--solo { max-width: 900px; grid-template-columns: minmax(0, 1fr); }
.page-body { max-width: 780px; }

/* 新版内页：与首页相同的浅色工作台，不再使用“手册 / 档案章”的文档感。 */
.doc-intro { position: relative; overflow: hidden; border-bottom: 1px solid var(--border); }
/* 内页头部沿用首页的「左上品牌光晕 + 网格」，但更克制 */
.doc-intro::before {
  content: ""; position: absolute; top: -180px; left: -140px;
  width: 420px; height: 420px; border-radius: 50%;
  background: var(--glow); filter: blur(58px); pointer-events: none;
}
.doc-intro__in {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 52px;
  align-items: end; padding-top: 58px; padding-bottom: 48px;
}
.doc-intro h1 { max-width: 760px; margin: 12px 0 14px; font-size: clamp(34px, 4.2vw, 52px); letter-spacing: 0; }
.doc-intro__en { margin: 0; color: var(--brand-deep); font: 700 14px/1.4 var(--font-mono); letter-spacing: .02em; }
.doc-intro__en--soft { margin-top: 8px; color: var(--text-3); font-weight: 600; }
.doc-intro__aside {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 18px; border: 1px solid var(--border); border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-1);
}
.doc-intro__aside > span:first-child { color: var(--text-3); font-size: 10px; letter-spacing: .12em; }
.doc-intro__aside b { margin-top: 7px; font-size: 24px; letter-spacing: 0; }
.doc-intro__aside p { margin: 7px 0 16px; color: var(--text-2); font-size: 12.5px; line-height: 1.6; }
.doc-content .page-body { max-width: none; }

/* ---- 大标题：左主标题 + 右侧档案章 ---- */
.page-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--border); background: var(--bg); }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, var(--accent) 0 3px, transparent 3px) 0 0 / 100% 100% no-repeat,
    linear-gradient(to right, color-mix(in srgb, var(--border) 62%, transparent) 1px, transparent 1px) 0 0 / 46px 46px;
  opacity: .7; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 72%);
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}
/* 注意：这个类会和 .wrap 叠在同一元素上，左右内边距必须交给 .wrap（24px / 窄屏 18px），
   这里只设上下，否则会把 .wrap 的水平 padding 覆盖成 0，窄屏下大标题会贴边 */
.page-hero__in {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: minmax(0, 1fr) 164px; gap: 26px 44px;
  padding-top: 62px; padding-bottom: 30px;
}
.page-hero__main { min-width: 0; }
.page-hero h1 { font-size: clamp(34px, 4.2vw, 52px); letter-spacing: 0; margin: 12px 0 14px; }
.page-hero__lede { color: var(--text-2); font-size: 15.5px; max-width: 660px; margin: 0; }
.page-hero__meta {
  display: flex; gap: 10px 18px; flex-wrap: wrap; margin-top: 16px;
  font: 12px/1.6 var(--font-mono); color: var(--text-3);
}
.page-hero__stamp {
  align-self: end;
  display: flex; flex-direction: column; align-items: flex-end;
  padding: 14px 0 0 18px;
  border-left: 1px solid var(--border-strong);
  text-align: right;
}
.page-hero__stamp-kicker { color: var(--text-3); font-size: 9px; letter-spacing: .12em; }
.page-hero__stamp strong {
  margin-top: 6px;
  color: var(--accent);
  font: 800 58px/.9 var(--font-mono);
  letter-spacing: 0;
}
.page-hero__stamp em { color: var(--text-3); font-size: 9px; font-style: normal; letter-spacing: .14em; }
.page-hero__stamp i { width: 52px; height: 2px; margin: 12px 0 9px; background: var(--accent); }
.page-hero__stamp small { color: var(--text-2); font-size: 11px; }
.page-hero__rule {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 14px;
  padding-top: 18px; border-top: 1px solid var(--border-strong);
  color: var(--text-3); font-size: 10px; letter-spacing: .08em;
}
.page-hero__rule i { flex: 1; height: 1px; background: var(--border); }
/* 关于页 h1 是全站最长的一句：拆成两段，折行只允许发生在逗号处（4/8 断法） */
.h1-split > span { display: inline-block; }
@media (max-width: 375px) { .page-hero h1 { font-size: 26px; } }   /* 窄屏降字号，仍一行放完 */

/* ---- 章节流：大编号留白 + 横线分隔，去掉重复卡片边框 ---- */
.chapters { display: flex; flex-direction: column; gap: 0; }
.chapter {
  position: relative;
  display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 20px;
  padding: 34px 0 36px;
  border-top: 1px solid var(--border-strong);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.chapter:first-child { border-top: 0; }
.chapter--plain { grid-template-columns: minmax(0, 1fr); }
.chapter > * { grid-column: 2; min-width: 0; }
.chapter--plain > * { grid-column: 1; }
.chapter__no {
  grid-column: 1;
  grid-row: 1 / span 99;
  align-self: start;
  margin: 0;
  color: var(--accent);
  font: 800 clamp(28px, 3.2vw, 42px)/1 var(--font-mono);
  letter-spacing: 0;
}
.chapter h2, .chapter h3 { font-size: 25px; letter-spacing: 0; margin: 0 0 12px; }
.chapter p { margin: 0 0 11px; }
.chapter p:last-child { margin-bottom: 0; }
.chapter ul, .chapter ol { color: var(--text-2); padding-left: 22px; margin: 0 0 10px; }
.chapter li { margin-bottom: 7px; }
.chapter .faq { border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.chapter .faq details { border-bottom-style: dashed; }
.chapter--a, .chapter--b, .chapter--c { margin: 0; }
.chapters--timeline { border-left: 0; padding-left: 0; margin-left: 0; }
.chapters--timeline .chapter { grid-template-columns: minmax(0, 1fr); }
.chapter__meta { font: 12px/1.6 var(--font-mono); color: var(--text-3); margin: 0 0 10px; }

/* ---- 左侧章节索引 ---- */
.mini-idx {
  position: sticky; top: calc(var(--header-h) + 20px);
  order: -1;
  display: flex; flex-direction: column;
  font-size: 12.5px; line-height: 1.35;
  border-top: 2px solid var(--text);
}
.mini-idx__lab {
  display: block;
  padding: 10px 0 8px;
  color: var(--text-3);
  font-size: 9px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.mini-idx a {
  display: grid; grid-template-columns: 25px minmax(0, 1fr); gap: 7px; align-items: center;
  min-width: 0; padding: 9px 0;
  border-top: 1px solid var(--border);
  color: var(--text-3);
}
.mini-idx a i { color: var(--text-3); font-size: 9px; font-style: normal; }
.mini-idx a span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-idx a:hover { color: var(--text-2); text-decoration: none; }
.mini-idx a.on { color: var(--text); font-weight: 700; }
.mini-idx a.on i { color: var(--accent); }

/* 内页内容卡片：标题、说明和 FAQ 都落在统一工作台上，避免出现 Markdown 长文感。 */
.doc-content .chapters {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px;
}
.doc-content .chapter {
  display: block;
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-1);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.doc-content .chapter:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--sh-3); }
.doc-content .chapter:first-child { border-top: 1px solid var(--border); }
.doc-content .chapter > * { grid-column: auto; }
.doc-content .chapter__no {
  display: inline-flex; margin: 0 0 12px;
  color: var(--brand-deep); font: 700 11px/1 var(--font-mono); letter-spacing: .08em;
}
.doc-content .chapter h2,
.doc-content .chapter h3 { margin-bottom: 12px; font-size: 21px; }
.doc-content .chapter__meta { margin-top: -6px; }
.doc-content .chapters--timeline { grid-template-columns: 1fr; }
.doc-content .chapters--timeline .chapter { min-height: 0; }

/* ---- 三档小节标题（产品主页）：消灭「三个小标题长得一模一样」的模板感 ---- */
.sec-head--2 h2 { font-size: 24px; }
.sec-head--3 h2 { font-size: 20px; }
.sec-head--2 h2::after, .sec-head--3 h2::after { display: none; }   /* 渐变短线只留给第一档 */

/* ---- 对照表区 8/4 非对称（左边表、右边一句结论 + CTA） ---- */
.cmp-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; align-items: start; }
.cmp-layout > div { min-width: 0; }
.cmp-side {
  border: 1px solid var(--border); border-radius: var(--r-lg); border-top: 3px solid var(--brand);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-2); padding: 20px;
}
.cmp-side__tag { font: 11.5px/1.5 var(--font-mono); color: var(--text-3); margin: 0 0 8px; }
.cmp-side b { display: block; font-size: 16px; margin-bottom: 8px; }
.cmp-side p { color: var(--text-2); font-size: 13.5px; margin: 0 0 14px; }

/* ---- 购买页主栏：章节编号 + 节奏分隔（转化链路一个像素都没动） ---- */
.buy-sec__no {
  display: block; font: 700 12px/1 var(--font-mono); letter-spacing: .14em;
  color: var(--brand-deep); margin-bottom: 8px;
}
.buy-sec__sub { margin: 0 0 10px; color: var(--text-2); font-size: 13.5px; line-height: 1.6; }
.buy-sec + .buy-sec { margin-top: 28px; padding-top: 28px; border-top: 1px dashed var(--border); }
.buy-sec:first-of-type .buy-sec-title { margin-top: 0; }

@media (max-width: 1080px) {
  .page-shell { grid-template-columns: 1fr; }
  .mini-idx { display: none; }          /* 窄屏直接不显示索引，不做抽屉，省事且不占屏 */
  .cmp-layout { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .chapter { padding: 28px 0 30px; }
  .doc-intro__in { grid-template-columns: 1fr; gap: 24px; padding-top: 44px; padding-bottom: 34px; }
  .doc-intro__aside { max-width: 360px; }
  .doc-content .chapters { grid-template-columns: 1fr; }
  .page-hero__in { grid-template-columns: 1fr; padding-top: 42px; padding-bottom: 26px; }
  .page-hero__stamp { display: none; }
  .page-hero__rule { margin-top: 4px; }
}

/* ---------------- 11.6 首页 · 适用场景（降级版：不配图标、卡更小、字重压低） ---------------- */
/* 图标的主角是下面「覆盖范围」那一块，两块都配图标会互相抢，所以这块只留文字 */
.scn-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.scn-card {
  display: flex; flex-direction: column;
  min-height: 270px; border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 20px 18px;
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-1);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.scn-card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--sh-3); }
.scn-card__ico {
  width: 48px; height: 48px; margin-bottom: 16px; border-radius: 12px;
  display: grid; place-items: center; background: var(--bg-soft); color: var(--brand-deep);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.scn-card:hover .scn-card__ico { background: var(--surface-2); }
.scn-card__ico .ic { width: 21px; height: 21px; }
.scn-card__ico .iart { width: 36px; height: 36px; display: block; }
.scn-card h3 { font-size: 18px; font-weight: 800; }
.scn-card p { margin: 8px 0 0; color: var(--text-2); font-size: 13px; line-height: 1.65; }
.scn-card ul { list-style: none; margin: auto 0 0; padding: 16px 0 0; display: flex; flex-direction: column; gap: 7px; }
.scn-card li { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; line-height: 1.6; color: var(--text-2); }
.scn-card li .ic { width: 14px; height: 14px; margin-top: 3px; color: var(--brand); }
.scn-card li:last-child { color: var(--text); }

.reason-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.reason-card {
  display: flex; gap: 13px; align-items: flex-start;
  padding: 20px; border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface); box-shadow: var(--sh-1);
}
.reason-card__ico {
  width: 38px; height: 38px; flex: none; border-radius: 10px;
  display: grid; place-items: center; background: var(--brand-soft); color: var(--brand-deep);
}
.reason-card__ico .ic { width: 19px; height: 19px; }
.reason-card b { display: block; font-size: 16px; }
.reason-card p { margin: 5px 0 0; color: var(--text-2); font-size: 13px; line-height: 1.65; }

/* ---------------- 11.6-b 首页 · 输入输出工作台 ---------------- */
.flow-board {
  display: grid;
  grid-template-columns: minmax(0, .86fr) 118px minmax(0, 1.35fr);
  gap: 18px;
  align-items: stretch;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: color-mix(in srgb, var(--surface) 92%, var(--brand-soft));
  box-shadow: var(--sh-2);
}
.flow-board__side {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.flow-board__head { display: flex; align-items: baseline; gap: 9px; margin-bottom: 14px; }
.flow-board__head span { color: var(--brand-deep); font-size: 10px; letter-spacing: .11em; }
.flow-board__head b { font-size: 17px; letter-spacing: 0; }
.flow-board__stack { display: flex; flex-direction: column; gap: 9px; }
.flow-board__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.flow-card {
  display: flex; gap: 11px; align-items: flex-start;
  min-width: 0; padding: 12px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg-soft);
}
.flow-card__ico {
  width: 34px; height: 34px; flex: none; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand-deep);
}
.flow-card__ico .ic { width: 18px; height: 18px; }
.flow-card > span:last-child, .flow-card__copy { min-width: 0; }
.flow-card b { display: block; font-size: 13.5px; line-height: 1.3; }
.flow-card b em { margin-left: 5px; color: var(--text-3); font: 500 10px/1 var(--font-mono); font-style: normal; }
.flow-card em, .flow-card small { display: block; margin-top: 4px; color: var(--text-2); font-size: 11.5px; line-height: 1.45; font-style: normal; }
.flow-card--out { padding: 13px; background: var(--surface); }
.flow-card--wide { grid-column: 1 / -1; }
.flow-board__bridge {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  text-align: center;
}
.flow-board__bridge-ico {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--green); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--green) 18%, transparent);
}
.flow-board__bridge i { width: 1px; height: 34px; background: linear-gradient(var(--brand), transparent); }
.flow-board__bridge em { color: var(--text-3); font: 500 10.5px/1.3 var(--font-mono); font-style: normal; }
.flow-board__bridge b { font-size: 14px; color: var(--brand-deep); }

@media (max-width: 1080px) {
  .scn-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .cap-grid { grid-template-columns: 1fr; }
  .flow-board { grid-template-columns: 1fr; }
  .flow-board__bridge { flex-direction: row; padding: 4px 0; }
  .flow-board__bridge i { width: 54px; height: 1px; background: linear-gradient(90deg, var(--brand), transparent); }
}
@media (max-width: 700px) {
  .scn-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow-board { padding: 10px; gap: 10px; }
  .flow-board__side { padding: 14px; }
  .flow-board__grid { grid-template-columns: 1fr; }
  .flow-card--wide { grid-column: auto; }
  .reason-grid { grid-template-columns: 1fr; }
}

/* ---------------- 12. 响应式 ---------------- */
@media (max-width: 960px) {
    .hero__grid, .feat-layout { grid-template-columns: minmax(0, 1fr); }
    .hero__grid > *, .feat-layout > * { min-width: 0; }
  .brw { transform: none; }        /* 窄屏去掉透视：避免文字模糊 */
  .ft__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .wrap { padding: 0 18px; }
  .trust-bar .wrap { justify-content: flex-start; }
  .sec { padding: 50px 0; }
  .benefit-grid { grid-template-columns: 1fr; }
  .hero__grid { gap: 26px; }
  .pmock { display: none; }        /* 小屏隐藏侧边栏 mock，避免挤糊 */
  .brw__body { min-height: 0; padding: 16px; }
  .brw__body .doc { display: none; }
  .fpanel {
    position: relative;
    top: auto;
    right: auto;
    width: min(100%, 252px);
    margin: 0 auto;
  }
  .fball { display: none; }
  .hero { padding: 40px 0 56px; }
  .hero__demo,
  .brw,
  .xf { max-width: 100%; }
      /* 手机横排只留常用操作，完整入口放进展开菜单 */
      .nav a:not(.nav-cta) { display: none; }
      .nav-toggle { display: flex; }
    .pro-grid { grid-template-columns: 1fr; }

    /* ---- 页脚：品牌介绍占整行，两组短链接并排（原来是整列单排，页脚高达 710px） ----
     ⚠️ 只改列数与间距，备案那一行（.ft__base，ICP + 公安）不在这个 grid 里，不受影响 */
  .ft { padding: 38px 0 22px; }
  .ft__grid { grid-template-columns: 1fr 1fr; gap: 26px 18px; }
  .ft__brand { grid-column: 1 / -1; }

  /* ---- 场景卡：手机端保持统一卡片样式 ---- */
  .scn-grid { gap: 12px; }

  /* ---- 区块头：h2 30px → 24px（手机标题是分段，不是喊话） ----
     用 :not() 跳过产品页的二/三档标题：它们本来就是 24 / 20px，不能被顶回 24 */
  .sec-head:not(.sec-head--2):not(.sec-head--3) h2 { font-size: 24px; }
  .sec-head { margin-bottom: 20px; }
}
/* ---- 首屏转化区（手机）：数字 4 挤一行 → 2×2，两个 CTA 全宽堆叠 ---- */
@media (max-width: 560px) {
  .chapter { grid-template-columns: 1fr; gap: 8px; padding: 24px 0 26px; }
  .doc-content .chapter { padding: 18px; }
  .doc-content .chapter h2, .doc-content .chapter h3 { font-size: 19px; }
  .chapter > *, .chapter--plain > * { grid-column: 1; }
  .chapter__no { grid-row: auto; margin-bottom: 2px; font-size: 16px; letter-spacing: 0; }
  .chapter h2, .chapter h3 { font-size: 21px; }
  .hero__cta { gap: 10px; }
  .hero__cta .btn { width: 100%; }     /* 并排实测 349px vs 可用 354px 只差 5px，太悬，改堆叠 */
  .nav a.nav-cta { display: none; }
  .spec-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spec { align-items: center; padding: 12px; }
  .spec strong { font-size: 32px; }
  .hero-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .hero-facts li { min-width: 0; text-align: center; }
  .xf { flex-direction: column; align-items: stretch; }
  .xf__arrow { width: 100%; }
  .xf__out { width: 100%; }
  /* 快捷键提示：手机装不了浏览器扩展，这行在手机上是死信息（平板 >560px 仍显示） */
  .hero__mono { display: none; }
}

/* ---------------- 13. 补充件（页面组件用到的小类） ---------------- */

/* 导航当前项 / 窄屏隐藏项 */
.nav a.on { color: var(--brand-deep); background: var(--brand-soft); }
.nav a.hide-sm { display: inline; }

/* 产品页首屏：产品说明 + 横向处理流程，避免复用首页海报 */
.prod-intro { position: relative; overflow: hidden; border-bottom: 1px solid var(--border); }
.prod-intro::before {
  content: ""; position: absolute; top: -190px; left: -150px;
  width: 440px; height: 440px; border-radius: 50%;
  background: var(--glow); filter: blur(58px); pointer-events: none;
}
.prod-intro__in { position: relative; z-index: 2; padding-top: 54px; padding-bottom: 48px; }
.prod-intro__head { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, .55fr); gap: 44px; align-items: end; }
.prod-intro__head h1 { max-width: 720px; margin: 0 0 16px; font-size: clamp(34px, 4.4vw, 54px); line-height: 1.08; letter-spacing: 0; }
.prod-intro__head p { max-width: 720px; color: var(--text-2); font-size: 16px; line-height: 1.75; }
.prod-intro__actions { display: flex; flex-direction: column; align-items: stretch; gap: 10px; padding-bottom: 2px; }
.prod-intro__actions .btn { justify-content: center; white-space: nowrap; }
.prod-intro__actions > span { color: var(--text-3); font: 11.5px/1.6 var(--font-mono); text-align: center; }
.prod-intro__flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 38px;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border);
}
.prod-intro__step { min-width: 0; padding: 20px 20px 19px 0; }
.prod-intro__step + .prod-intro__step { padding-left: 20px; border-left: 1px solid var(--border); }
.prod-intro__step span { display: block; color: var(--brand-deep); font-size: 10.5px; letter-spacing: .06em; }
.prod-intro__step b { display: block; margin-top: 10px; font-size: 19px; }
.prod-intro__step p { margin: 6px 0 0; color: var(--text-2); font-size: 12.5px; line-height: 1.6; }

/* 文档页小标题 / 占位提示 */
.doc-h2 { font-size: 20px; margin: 26px 0 14px; }
.store-todo { display: inline-block; margin: 8px 0 0; padding: 6px 11px; border-radius: var(--r-sm); font-size: 12.5px; color: var(--amber); background: color-mix(in srgb, var(--amber) 10%, transparent); border: 1px dashed color-mix(in srgb, var(--amber) 35%, transparent); }

/* 按钮：占位态（链接还没填时不给死链） */
.btn--todo { border-style: dashed; color: var(--text-3); background: var(--surface-2); cursor: not-allowed; }
.btn--todo:hover { border-color: var(--border-strong); box-shadow: none; }

/* 关于页联系方式 */
.about-contact { display: flex; gap: 26px; flex-wrap: wrap; align-items: flex-start; margin-top: 16px; }
.about-qr { flex: none; width: 220px; }
.about-mail { flex: 1; min-width: 240px; }
.about-mail p { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }

/* 图标尺寸微调 */
.prod-card__link .ic { width: 15px; height: 15px; }
.badge .ic { width: 12px; height: 12px; }
.chan .btn .ic { width: 14px; height: 14px; }
.shot__hint { color: var(--text-3); opacity: .85; font-size: 11px; }
.ft__sig { color: var(--text-3); font-size: 12px; }

/* 页头面板 mock 里的小 logo（避免内联 style） */
.pmock__logo { width: 22px; height: 22px; border-radius: 6px; background: var(--grad); flex: none; }

/* [hidden] 要压过 .feature-hint 的 display:flex */
.feature-hint[hidden] { display: none; }

/* ---------------- 14. 产品界面模拟 / 安装步骤图 ---------------- */
/* 没有实拍素材时也不展示空白截图位：用界面结构把“装上以后是什么样”讲清楚 */
.pv { position: relative; width: 100%; }
.pv__browser {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--sh-3);
}
.pv__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 38px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.pv__dots { display: flex; gap: 6px; flex: none; }
.pv__dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); }
.pv__url {
  flex: 1;
  min-width: 0;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-soft);
  color: var(--text-3);
  font-size: 10.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pv__body {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  padding: 20px;
  background:
    linear-gradient(to right, color-mix(in srgb, var(--border) 45%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--border) 45%, transparent) 1px, transparent 1px),
    var(--bg);
  background-size: 34px 34px;
}
.pv__doc {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: calc(100% - 222px);
  min-height: 452px;
  padding: 20px 20px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--sh-1);
}
.pv__breadcrumb { color: var(--brand-deep); font-size: 10px; }
.pv__title { margin-top: 10px; font-size: 21px; letter-spacing: 0; }
.pv__meta { margin: 4px 0 16px; color: var(--text-3); font-size: 9.5px; }
.pv__line { height: 8px; margin-bottom: 8px; border-radius: 5px; background: var(--bg-alt); }
.pv__line--92 { width: 92%; }
.pv__line--88 { width: 88%; }
.pv__line--86 { width: 86%; }
.pv__line--74 { width: 74%; }
.pv__line--67 { width: 67%; }
.pv__h { display: flex; align-items: center; gap: 8px; margin: 8px 0 10px; font-size: 12px; }
.pv__h i { width: 3px; height: 14px; border-radius: 2px; background: var(--brand); }
.pv__table { display: grid; gap: 5px; width: 100%; margin-top: 10px; }
.pv__table i { height: 24px; border: 1px solid var(--border); border-radius: 5px; background: var(--bg-alt); }
.pv__table i:first-child { background: var(--brand-soft); }
.pv__toc {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 30%;
  margin: auto 0 0 10px;
}
.pv__toc span { color: var(--text-3); font-size: 9px; }
.pv__toc i { width: 100%; height: 5px; border-radius: 3px; background: var(--bg-alt); }
.pv__panel {
  position: absolute;
  top: 20px;
  right: 20px;
  bottom: 20px;
  width: 220px;
  padding: 12px;
  border: 1px solid #2e3544;
  border-radius: 14px;
  background: #151922;
  color: #eef0f4;
  box-shadow: 0 18px 34px rgba(16, 24, 40, .28);
  display: flex;
  flex-direction: column;
}
.pv__panel-head { display: flex; align-items: center; gap: 8px; padding-bottom: 10px; border-bottom: 1px solid #2b3240; }
.pv__logo { width: 28px; height: 28px; border-radius: 7px; background: var(--brand); color: #fff; display: grid; place-items: center; flex: none; }
.pv__panel-title { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.pv__panel-title b { font-size: 11px; white-space: nowrap; }
.pv__panel-title em { color: #9ca5b5; font-size: 8.5px; font-style: normal; white-space: nowrap; }
.pv__badge { padding: 2px 6px; border: 1px solid #3b4352; border-radius: 999px; color: #b9c1cf; font-size: 8.5px; }
.pv__primary {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0;
  padding: 9px;
  border-radius: 9px;
  background: var(--btn);
  color: #fff;
}
.pv__primary .ic { width: 15px; height: 15px; }
.pv__primary span { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.pv__primary b { font-size: 10.5px; }
.pv__primary em { color: rgba(255, 255, 255, .76); font-size: 8.5px; font-style: normal; }
.pv__primary .pv__ok { color: #b9f6d0; }
.pv__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; flex: 1; align-content: start; }
.pv__grid span {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-height: 55px;
  padding: 7px;
  border: 1px solid #29313e;
  border-radius: 8px;
  background: #1d2330;
  color: #c7cedb;
  font-size: 8.5px;
}
.pv__grid span.is-locked { color: #8992a3; }
.pv__grid .ic { width: 14px; height: 14px; color: #6d9cff; }
.pv__panel-foot {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 9px;
  border-top: 1px solid #2b3240;
  color: #919bab;
  font-size: 8.5px;
}
.pv__panel-foot .ic { width: 12px; height: 12px; color: #51d18d; }
.pv__ball {
  position: absolute;
  right: 2px;
  bottom: 32px;
  width: 48px;
  height: 48px;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--btn);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--sh-3);
}
.pv__ball .ic { width: 26px; height: 26px; }
.pv__toast {
  position: absolute;
  left: -16px;
  bottom: -18px;
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 192px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--green) 30%, var(--border));
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--sh-2);
}
.pv__toast > .ic { width: 18px; height: 18px; color: var(--green); }
.pv__toast span { display: flex; flex-direction: column; }
.pv__toast b { font-size: 11.5px; }
.pv__toast em { color: var(--text-3); font-size: 9.5px; font-style: normal; }

.gv {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 166px;
  padding: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: linear-gradient(145deg, var(--bg-soft), var(--surface-2));
  box-shadow: var(--sh-1);
}
.gv__store,
.gv__extensions,
.gv__dialog,
.gv__browser-ui,
.gv__options,
.gv__success { width: 100%; }
.gv__store,
.gv__extensions,
.gv__dialog,
.gv__browser-ui,
.gv__options {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--sh-2);
}
.gv__store-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 9px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.gv__browser-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); flex: none; }
.gv__store-url { color: var(--text-3); font-size: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gv__store-main { display: flex; align-items: center; gap: 9px; padding: 13px 10px 10px; }
.gv__app-icon,
.gv__ext-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  flex: none;
}
.gv__app-copy { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.gv__app-copy b { font-size: 11px; }
.gv__app-copy em { color: var(--text-3); font-size: 8.5px; font-style: normal; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gv__cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 7px;
  border-radius: 6px;
  background: var(--btn);
  color: #fff;
  font-size: 8.5px;
  font-weight: 700;
  white-space: nowrap;
}
.gv__cta .ic { width: 11px; height: 11px; }
.gv__store-foot {
  display: flex;
  gap: 12px;
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: 8px;
}
.gv__store-foot span { display: inline-flex; align-items: center; gap: 4px; }
.gv__store-foot .ic { width: 11px; height: 11px; }
.gv__store-foot .mono { margin-left: auto; }
.gv__toolbar,
.gv__options-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.gv__toolbar b,
.gv__options-head b { font-size: 10px; }
.gv__switch-on {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  color: var(--brand-deep);
  font-size: 8.5px;
  font-weight: 600;
}
.gv__switch-on i,
.gv__toggle-ui {
  position: relative;
  width: 24px;
  height: 13px;
  border-radius: 999px;
  background: var(--btn);
}
.gv__switch-on i::after,
.gv__toggle-ui i::after {
  content: "";
  position: absolute;
  top: 2px;
  right: 2px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fff;
}
.gv__ext-card { display: flex; align-items: center; gap: 8px; padding: 10px; }
.gv__ext-card > span:nth-child(2) { display: flex; flex-direction: column; flex: 1; }
.gv__ext-card b { font-size: 10.5px; }
.gv__ext-card em { color: var(--text-3); font-size: 8.5px; font-style: normal; }
.gv__load-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0 10px 10px;
  padding: 7px;
  border: 1px dashed var(--border-strong);
  border-radius: 7px;
  color: var(--brand-deep);
  background: var(--brand-soft);
  font-size: 9px;
  font-weight: 600;
}
.gv__load-btn .ic { width: 13px; height: 13px; }
.gv__dialog-head { display: flex; align-items: center; padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 10px; }
.gv__dialog-head span { margin-left: auto; color: var(--text-3); }
.gv__dialog-head .ic { width: 13px; height: 13px; }
.gv__path { display: flex; align-items: center; gap: 6px; margin: 10px 10px 7px; padding: 7px 8px; border: 1px solid var(--border); border-radius: 6px; color: var(--text-2); font-size: 8.5px; }
.gv__path .ic { width: 13px; height: 13px; color: var(--brand-deep); }
.gv__path span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gv__files { display: grid; gap: 4px; padding: 0 10px; color: var(--text-2); font-size: 8.5px; }
.gv__files span { display: flex; align-items: center; gap: 5px; padding: 4px 6px; border-radius: 5px; background: var(--bg-soft); }
.gv__files .ic { width: 11px; height: 11px; color: var(--text-3); }
.gv__dialog-act { display: flex; justify-content: flex-end; gap: 6px; padding: 10px; font-size: 8.5px; }
.gv__dialog-act span,
.gv__dialog-act b { padding: 4px 8px; border-radius: 5px; }
.gv__dialog-act span { border: 1px solid var(--border); color: var(--text-2); font-weight: 500; }
.gv__dialog-act b { background: var(--btn); color: #fff; }
.gv__browser-top { display: flex; align-items: center; gap: 7px; padding: 8px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.gv__browser-dots { display: flex; gap: 4px; }
.gv__browser-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); }
.gv__address { flex: 1; min-width: 0; padding: 4px 7px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface); color: var(--text-3); font-size: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gv__ext-pin { position: relative; width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; }
.gv__ext-pin .ic { width: 15px; height: 15px; }
.gv__ext-pin i { position: absolute; top: -4px; right: -4px; width: 13px; height: 13px; border-radius: 50%; background: var(--red); color: #fff; font-size: 8px; font-style: normal; display: grid; place-items: center; }
.gv__avatar { width: 24px; height: 24px; border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center; font-size: 9px; font-weight: 700; }
.gv__tooltip { display: flex; align-items: center; gap: 8px; margin: 18px 12px 14px auto; width: 220px; padding: 9px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); box-shadow: var(--sh-2); }
.gv__tooltip-ico { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; }
.gv__tooltip > span:last-child { display: flex; flex-direction: column; }
.gv__tooltip b { font-size: 10px; }
.gv__tooltip em { color: var(--text-3); font-size: 8px; font-style: normal; }
.gv__options-head > span:nth-child(2) { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.gv__options-head em { color: var(--text-3); font-size: 8px; font-style: normal; }
.gv__license { display: flex; gap: 6px; margin: 10px; }
.gv__license-code { flex: 1; min-width: 0; padding: 7px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-soft); color: var(--text-3); font-size: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gv__license-btn { padding: 7px 10px; border-radius: 6px; background: var(--btn); color: #fff; font-size: 8.5px; font-weight: 700; }
.gv__options p { display: flex; align-items: center; gap: 5px; margin: 0; padding: 0 10px 10px; color: var(--green); font-size: 8.5px; }
.gv__options p .ic { width: 12px; height: 12px; }
.gv__success { display: flex; flex-direction: column; align-items: center; text-align: center; }
.gv__success-ico { width: 38px; height: 38px; margin-bottom: 8px; border-radius: 50%; background: color-mix(in srgb, var(--green) 12%, transparent); color: var(--green); display: grid; place-items: center; }
.gv__success-ico .ic { width: 22px; height: 22px; }
.gv__success b { font-size: 13px; }
.gv__success em { color: var(--text-3); font-size: 9px; font-style: normal; }
.gv__success-code { display: block; max-width: 100%; margin-top: 10px; padding: 6px 8px; border-radius: 6px; background: var(--bg-soft); color: var(--text-3); font-size: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.chan__soon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-sm);
  color: var(--text-3);
  background: var(--surface-2);
  font-size: 12.5px;
  font-weight: 600;
}
.chan__soon .ic { width: 14px; height: 14px; }

.download-panel {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border));
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .12), transparent 42%),
    var(--surface);
  box-shadow: var(--sh-2);
}
.download-panel__ico { width: 42px; height: 42px; border-radius: 11px; background: var(--btn); color: #fff; display: grid; place-items: center; flex: none; }
.download-panel__copy { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.download-panel__copy b { font-size: 15px; }
.download-panel__copy em { color: var(--text-2); font-size: 12.5px; font-style: normal; }
.btn--disabled { opacity: .58; pointer-events: none; }

/* ---------------- 分享按钮（移动端抽屉 / 页脚共用） ---------------- */
.share { position: relative; display: inline-flex; }
.share__toast {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  white-space: nowrap;
  padding: 6px 10px;
  border-radius: var(--r-sm);
  background: var(--text);
  color: var(--bg);
  font-size: 12px;
  font-weight: 650;
  box-shadow: var(--sh-2);
  pointer-events: none;
  z-index: 6;
}
.share__toast[hidden] { display: none; }
/* 页脚那种文字链样式：不抢视觉，和旁边的支持链接同一档 */
.share--link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text-2);
  font: 500 13.5px/1.4 var(--font);
  cursor: pointer;
}
.share--link:hover { color: var(--brand); }
.share--link .ic { width: 15px; height: 15px; }
.mobile-nav > .share { width: 100%; }

.qr-ph__contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  width: 100%;
}
.qr-ph__eyebrow { color: var(--brand-deep); font-size: 9px; letter-spacing: .12em; }
.qr-ph__contact > .ic { width: 28px; height: 28px; color: var(--brand-deep); }
.qr-ph__contact p { margin: 0; }
.qr-ph__contact .btn { margin-top: 4px; }

@media (max-width: 960px) {
  .prod-intro__head { grid-template-columns: 1fr; gap: 26px; align-items: start; }
  .prod-intro__actions { max-width: 360px; }
  .prod-intro__actions > span { text-align: left; }
  .prod-intro__flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prod-intro__step:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--border); }
  .prod-intro__step:nth-child(4) { border-top: 1px solid var(--border); }
  .nav a.hide-sm { display: none; }
  .nav { gap: 12px; }
  .pv__body { min-height: 450px; }
  .pv__doc { min-height: 402px; }
}
@media (max-width: 700px) {
  .hd__in { gap: 10px; padding: 0 14px; }
  .nav { gap: 8px; }
  .nav-cta { padding: 6px 10px; font-size: 12px; white-space: nowrap; }
  .theme-btn { width: 30px; height: 30px; }
  .buy-grid { padding: 0 18px 72px; }
  .prod-intro__in { padding-top: 36px; padding-bottom: 34px; }
  .prod-intro__flow { grid-template-columns: 1fr; margin-top: 28px; }
  .prod-intro__step { padding: 15px 0; }
  .prod-intro__step + .prod-intro__step { padding-left: 0; border-left: 0; border-top: 1px solid var(--border); }
  .about-qr { width: 100%; max-width: 240px; }
  .pv__body { min-height: 420px; padding: 12px; }
  .pv__doc { max-width: calc(100% - 166px); min-height: 392px; padding: 16px 13px; }
  .pv__panel { top: 12px; right: 12px; width: 168px; padding: 9px; }
  .pv__panel-head { gap: 6px; }
  .pv__logo { width: 25px; height: 25px; }
  .pv__grid span { min-height: 48px; padding: 6px; }
  .pv__ball { right: -3px; bottom: 24px; width: 44px; height: 44px; }
  .pv__toast { left: -8px; bottom: -14px; }
  .download-panel { align-items: flex-start; flex-wrap: wrap; }
  .download-panel .btn { width: 100%; }
}
@media (max-width: 420px) {
  .logo { font-size: 14.5px; }
  .hd .logo { font-size: 17px; }   /* 与 26px 图形等比，和桌面端一致约 63% */
  .logo__mark { width: 26px; height: 26px; }
  .nav-cta { padding: 6px 8px; }
  .pv__body { min-height: 386px; }
  .pv__doc { max-width: calc(100% - 150px); min-height: 360px; }
  .pv__panel { width: 152px; }
  .pv__panel-title em { display: none; }
  .pv__grid span { font-size: 8px; }
}


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .cap-card:hover, .scn-card:hover { transform: none; }
}

/* ==========================================================================
   15. 视觉整改（2026-10-04）
   三件事：① 海报与下一段的承接不再是硬分割线；② 区块标题去掉「眉标 + 短横线」
   的 Word 感；③ 能力/流程/购买步骤统一成彩色分区图标。购买页另做密度收拾。
   ========================================================================== */

/* ---------------- 15.1 区块标题：色条眉标 + 排比标题 ---------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  margin-bottom: 12px;
  color: var(--brand-deep); font: 750 11px/1.3 var(--font-mono);
  letter-spacing: .12em; text-transform: uppercase;
}
.eyebrow::before {
  content: ""; width: 20px; height: 3px; border-radius: 999px;
  background: var(--grad); flex: none;
}
.sec-head h2 { padding-bottom: 0; }
.sec-head h2::after { display: none; }
.sec-head:not(.sec-head--2):not(.sec-head--3) h2 {
  font-size: clamp(26px, 2.8vw, 33px); letter-spacing: 0; line-height: 1.22;
}
.sec-head h2 em,
.buy-sec-title em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 60%, color-mix(in srgb, var(--brand) 20%, transparent) 60%);
  border-radius: 3px; padding: 0 .08em;
}
.sec-head p { font-size: 15px; line-height: 1.72; }

/* 首页「核心能力」这类需要完整版块头的区块：左标题 + 右编号/计数 */
.sec-head--split {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px 44px; align-items: end; margin-bottom: 30px;
}
.sec-head__main { min-width: 0; }
.sec-head__aside {
  display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
  padding: 2px 0 4px 22px; border-left: 1px solid var(--border-strong); text-align: right;
}
.sec-head__aside .mono { color: var(--text-3); font: 650 10.5px/1.3 var(--font-mono); letter-spacing: .1em; }
.sec-head__aside b { font-size: 21px; letter-spacing: 0; }
.sec-head__aside i { color: var(--text-3); font-size: 11.5px; font-style: normal; }

/* ---------------- 15.2 首页核心能力：彩色分区图标 ---------------- */
.cap-card { --cap: var(--brand); --cap-soft: var(--brand-soft); }
.cap-card:nth-child(1) { --cap: #3370FF; --cap-soft: #E8F0FF; }
.cap-card:nth-child(2) { --cap: #7B5CFF; --cap-soft: #EFEBFF; }
.cap-card:nth-child(3) { --cap: #E65B3A; --cap-soft: #FFF1EC; }
.cap-card:nth-child(4) { --cap: #1A9C4F; --cap-soft: #E6F6EE; }
.cap-card:hover { border-color: var(--cap); }
.cap-card__ico {
  background: var(--cap-soft); color: var(--cap);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cap) 20%, transparent);
}
.cap-card:hover .cap-card__ico { background: var(--cap); color: #fff; box-shadow: none; }
.cap-card li .ic { color: var(--cap); }
.cap-card .cap-card__tag { color: color-mix(in srgb, var(--cap) 60%, var(--text-3)); }
html[data-theme="dark"] .cap-card:nth-child(1) { --cap: #85AAFF; --cap-soft: rgba(91, 140, 255, .16); }
html[data-theme="dark"] .cap-card:nth-child(2) { --cap: #B3A0FF; --cap-soft: rgba(123, 92, 255, .18); }
html[data-theme="dark"] .cap-card:nth-child(3) { --cap: #FF9A7A; --cap-soft: rgba(230, 91, 58, .18); }
html[data-theme="dark"] .cap-card:nth-child(4) { --cap: #4ADE80; --cap-soft: rgba(26, 156, 79, .20); }

/* ---------------- 15.3 海报 → 内容：渐隐承接，去掉硬分割线 ---------------- */
/* 海报整体拉高，网格背景覆盖更大的版面（接近视口 2/3），底部再用一条更长的渐隐带过渡 */
.hero { padding-top: 74px; padding-bottom: 168px; min-height: min(880px, 80vh); }
.hero .grid-bg {
  -webkit-mask-image: radial-gradient(ellipse 122% 128% at 50% 20%, #000 52%, rgba(0, 0, 0, .6) 76%, transparent 100%);
  mask-image: radial-gradient(ellipse 122% 128% at 50% 20%, #000 52%, rgba(0, 0, 0, .6) 76%, transparent 100%);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 220px;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--brand) 5%, var(--bg-alt)) 58%, var(--bg-alt));
  pointer-events: none; z-index: 1;
}
.trust-bar { border-top: 0; border-bottom: 0; }
.doc-intro, .prod-intro { border-bottom: 0; }
.doc-intro::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 132px;
  background: linear-gradient(180deg, transparent, var(--bg-alt));
  pointer-events: none; z-index: 1;
}
.prod-intro::after, .buy-hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 148px;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--brand) 5%, var(--bg)) 68%, var(--bg));
  pointer-events: none; z-index: 1;
}

/* ---------------- 15.4 产品页流程：读取 / 整理 / 导出 / 交付 ----------------
   四个步骤收进一块统一的浅色面板，靠分隔线分栏，不用四色卡片和粗色条，
   与站内「白底 + 细边 + 轻阴影」的卡片语言保持一致。 */
.prod-intro__flow {
  gap: 0; margin-top: 42px; overflow: hidden;
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface); box-shadow: var(--sh-1);
}
.prod-intro__step {
  position: relative; min-width: 0;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 26px 22px 24px;
  border: 0; border-radius: 0; background: transparent; box-shadow: none;
}
.prod-intro__step + .prod-intro__step { padding-left: 22px; border-left: 1px solid var(--border); }
.prod-intro__step .prod-intro__step-ico {
  width: 56px; height: 56px; margin: 0 0 16px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-soft); color: var(--brand-deep);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--brand) 22%, transparent),
    0 10px 22px -14px color-mix(in srgb, var(--brand) 75%, transparent);
}
.prod-intro__step .prod-intro__step-ico .ic { width: 26px; height: 26px; }
.prod-intro__step > .mono { color: var(--brand-deep); opacity: .7; }
.prod-intro__step b { margin-top: 10px; font-size: 18px; }
.prod-intro__step p { max-width: 210px; }

/* ---------------- 15.5 安装页：方式三通栏 ---------------- */
.doc-content .chapter-wrap { min-width: 0; }
.doc-content .chapter--wide { grid-column: 1 / -1; }

/* ---------------- 15.6 隐私页：两列瀑布流布局，卡片沿用全站内页样式 ----------------
   瀑布流只负责排布节奏，卡片本身的底色/描边/圆角/阴影与帮助、安装、关于页完全一致，
   避免隐私页看起来像另一套视觉系统。 */
.doc-content .chapters--masonry { display: block; columns: 2; column-gap: 16px; }
.doc-content .chapters--masonry .chapter {
  display: block; break-inside: avoid; margin: 0 0 16px;
  border-top: 1px solid var(--border);
}
.doc-content .chapters--masonry .chapter:first-child { border-top: 1px solid var(--border); }

/* ---------------- 15.7 购买页：编号标题、步骤图标、密度收拾 ---------------- */
.buy-sec { --sec-accent: var(--brand-deep); --sec-soft: var(--brand-soft); }
.buy-sec--1 { --sec-accent: #3370FF; --sec-soft: #E8F0FF; }
.buy-sec--2 { --sec-accent: #1A9C4F; --sec-soft: #E6F6EE; }
.buy-sec--3 { --sec-accent: #7B5CFF; --sec-soft: #EFEBFF; }
html[data-theme="dark"] .buy-sec--1 { --sec-accent: #85AAFF; --sec-soft: rgba(91, 140, 255, .16); }
html[data-theme="dark"] .buy-sec--2 { --sec-accent: #4ADE80; --sec-soft: rgba(26, 156, 79, .20); }
html[data-theme="dark"] .buy-sec--3 { --sec-accent: #B3A0FF; --sec-soft: rgba(123, 92, 255, .18); }

.buy-sec__head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.buy-sec__no {
  display: inline-grid; place-items: center; flex: none;
  width: 36px; height: 36px; margin: 0; border-radius: 11px;
  background: var(--sec-soft); color: var(--sec-accent);
  font: 750 13px/1 var(--font-mono); letter-spacing: .03em;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sec-accent) 22%, transparent);
}
.buy-sec-title { margin: 0; font-size: 21px; letter-spacing: 0; }
.buy-sec__sub { margin: 0 0 20px; color: var(--text-2); font-size: 13.5px; line-height: 1.65; }
.buy-sec + .buy-sec { margin-top: 46px; padding-top: 0; border-top: 0; }
.buy-sec:first-of-type .buy-sec-title { margin-top: 0; }

.buy-steps li { --step: #3370FF; --step-soft: #E8F0FF; padding-bottom: 26px; }
.buy-steps li:nth-child(2) { --step: #1A9C4F; --step-soft: #E6F6EE; }
.buy-steps li:nth-child(3) { --step: #7B5CFF; --step-soft: #EFEBFF; }
.buy-steps li:nth-child(4) { --step: #E65B3A; --step-soft: #FFF1EC; }
html[data-theme="dark"] .buy-steps li:nth-child(1) { --step: #85AAFF; --step-soft: rgba(91, 140, 255, .16); }
html[data-theme="dark"] .buy-steps li:nth-child(2) { --step: #4ADE80; --step-soft: rgba(26, 156, 79, .20); }
html[data-theme="dark"] .buy-steps li:nth-child(3) { --step: #B3A0FF; --step-soft: rgba(123, 92, 255, .18); }
html[data-theme="dark"] .buy-steps li:nth-child(4) { --step: #FF9A7A; --step-soft: rgba(230, 91, 58, .18); }
.buy-steps b { font-size: 15px; margin: 2px 0 5px; }
.buy-steps p { font-size: 13.5px; line-height: 1.68; }

.benefit-grid { gap: 12px; }
.benefit { align-items: center; padding: 15px 16px; gap: 12px; }
.benefit:nth-child(4n+1) { --b-acc: #3370FF; --b-soft: #E8F0FF; }
.benefit:nth-child(4n+2) { --b-acc: #1A9C4F; --b-soft: #E6F6EE; }
.benefit:nth-child(4n+3) { --b-acc: #7B5CFF; --b-soft: #EFEBFF; }
.benefit:nth-child(4n) { --b-acc: #E65B3A; --b-soft: #FFF1EC; }
.benefit__ico {
  width: 36px; height: 36px; flex: none; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--b-soft, var(--brand-soft)); color: var(--b-acc, var(--brand-deep));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--b-acc, var(--brand)) 20%, transparent);
}
.benefit__ico .ic { width: 18px; height: 18px; }

.buy-fine { margin-top: 30px; padding: 18px 20px; border-radius: var(--r-lg); background: var(--bg-soft); border: 1px solid var(--border); }
.buy-fine__title { margin: 0 0 12px; color: var(--text-3); font: 700 10.5px/1.3 var(--font-mono); letter-spacing: .12em; }
.buy-fine ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 22px; margin: 0; padding: 0; list-style: none; }
.buy-fine li { position: relative; padding-left: 14px; color: var(--text-3); font-size: 12.5px; line-height: 1.65; }
.buy-fine li::before { content: ""; position: absolute; left: 0; top: .62em; width: 5px; height: 5px; border-radius: 50%; background: var(--border-strong); }

.badge--inline { margin-left: 6px; }
.sec-head--spaced { margin-top: 58px; }
.about-mail__note { color: var(--text-3); font-size: 13px; }
.about-contact__cta { margin-top: 14px; }
.error-page { text-align: center; padding: 40px 0; }
.error-page__text { color: var(--text-2); }
.error-page__cta { justify-content: center; }

/* ---------------- 15.8 整改部分的响应式收口 ---------------- */
@media (max-width: 860px) {
  .doc-content .chapters--masonry { columns: 1; }
  .doc-content .chapter--wide { grid-column: auto; }
}
@media (max-width: 760px) {
  .sec-head--split { grid-template-columns: 1fr; align-items: start; }
  .sec-head__aside { align-items: flex-start; text-align: left; padding: 0 0 0 14px; }
  .buy-fine ul { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .prod-intro__step:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
  .prod-intro__step:nth-child(4) { border-top: 1px solid var(--border); }
}
@media (max-width: 700px) {
  .sec-head:not(.sec-head--2):not(.sec-head--3) h2 { font-size: 24px; letter-spacing: 0; }
  .hero { min-height: auto; padding-top: 48px; padding-bottom: 104px; }
  .prod-intro__step { padding: 16px 18px; }
  .prod-intro__step + .prod-intro__step { padding-left: 18px; border-left: 0; border-top: 1px solid var(--border); }
}

/* ---------------- 15.9 首页海报：文案密度、流动渐变、鼠标靠近动效 ---------------- */
/* 眉标改成一行宽排，不再上下堆成两块 */
.kicker {
  display: inline-flex; flex-direction: row; flex-wrap: wrap; align-items: center;
  gap: 8px 12px; max-width: 100%; margin: 0 0 18px;
}
.kicker span { width: max-content; padding: 6px 11px; }
.kicker small { color: var(--text-2); font-size: 13px; font-weight: 650; line-height: 1.5; }

/* 事实数字：数字在上、标签在下，标签不换行 */
.spec-strip { gap: 12px; margin-top: 26px; }
.spec { flex-direction: column; align-items: flex-start; gap: 3px; padding: 14px 14px 12px; }
.spec strong { font-size: clamp(26px, 2.5vw, 34px); letter-spacing: 0; }
.spec span { font-size: 12px; line-height: 1.3; white-space: nowrap; }

/* 海报标题整体流动：普通字与蓝紫强调字都在缓慢走色 */
.hero h1 {
  background-image: linear-gradient(100deg,
    var(--text) 0%, var(--brand-deep) 20%, var(--purple) 36%,
    color-mix(in srgb, var(--brand) 34%, #fff) 50%,
    var(--purple) 64%, var(--brand-deep) 80%, var(--text) 100%);
  background-size: 280% 100%;
  background-position: 0% 50%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: hero-gradient-flow 13s linear infinite;
}
.hero h1 em {
  background-image: linear-gradient(100deg,
    var(--brand-deep) 0%, var(--purple) 30%,
    color-mix(in srgb, var(--brand) 30%, #fff) 50%,
    var(--purple) 70%, var(--brand-deep) 100%);
  background-size: 240% 100%;
  animation: hero-gradient-flow 9s linear infinite;
}
/* 海报底层的流动渐变体也调亮一点，让"在流动"这件事看得出来 */
.hero::before { opacity: .95; animation-duration: 19s; }

/* 鼠标靠近海报时的位移与轻微倾斜（变量由 HeroDemo 脚本写入）
   注意：指针位移写在下面的普通 transform 规则里，而不是 keyframes —— 这样即使系统
   开了「减少动态效果」把 CSS 动画全部关掉，用户主动移动鼠标时仍能看到跟随位移。 */
@keyframes float-a {
  0%, 100% {
    transform: perspective(1400px)
      rotateY(calc(-4deg + var(--tilt-y, 0deg))) rotateX(calc(1.5deg + var(--tilt-x, 0deg)))
      translateY(0);
  }
  50% {
    transform: perspective(1400px)
      rotateY(calc(-2.4deg + var(--tilt-y, 0deg))) rotateX(calc(.8deg + var(--tilt-x, 0deg)))
      translateY(-14px);
  }
}
@keyframes float-b {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -12px, 0); }
}
.hero__demo {
  --float-x: 0px; --float-y: 0px; --tilt-x: 0deg; --tilt-y: 0deg;
  transform: translate3d(var(--float-x), var(--float-y), 0);
  will-change: transform;
}
/* JS 已接管默认自播 + 鼠标跟随，关掉旧的 CSS 漂浮，避免两套动效叠加 */
.brw, .fpanel { animation: none; }
/* 鼠标倾斜改写在普通规则里（不走 keyframes），窄屏仍关掉 3D 透视 */
.brw {
  transform: perspective(1400px)
    rotateY(calc(-4deg + var(--tilt-y, 0deg)))
    rotateX(calc(1.5deg + var(--tilt-x, 0deg)));
}
@media (max-width: 960px) { .brw { transform: none; } }
.fpanel { transition: box-shadow .32s var(--ease), border-color .32s var(--ease); }
.fball { transition: transform .32s var(--ease), filter .32s var(--ease); }
.hero__demo.is-near .fpanel {
  border-color: color-mix(in srgb, var(--brand) 34%, #E5E8EF);
  box-shadow: 0 20px 46px rgba(15, 23, 42, .22), 0 3px 10px rgba(15, 23, 42, .10);
}
.hero__demo.is-near .fball {
  transform: scale(1.06);
  filter: drop-shadow(0 10px 20px rgba(51, 112, 255, .46)) drop-shadow(0 3px 6px rgba(15, 23, 42, .22));
}

/* 减少动态效果时保留文字颜色流动（不产生位移），但整体放慢 */
@media (prefers-reduced-motion: reduce) {
  .hero h1, .hero h1 em { animation: hero-gradient-flow 20s linear infinite !important; }
}

/* 正文避免孤字换行（最后一行只掉一个字） */
.ft__brand p,
.hero__lede,
.sec-head p,
.prod-intro__head p { text-wrap: pretty; }

/* ---------------- 15.10 内页编号：大号浅色编号（文档感） ----------------
   帮助、关于、隐私三页共用同一套 .chapter__no，改一次即全站生效。
   编号自成一行、字号放大、颜色压淡：读起来像文档的章节标号，
   有存在感但不跟标题抢注意力。深色主题下底色更暗，混色比例提高以保证可读。 */
.doc-content .chapter__no {
  display: block;
  width: auto; height: auto; margin: 0 0 8px;
  border-radius: 0; background: none; box-shadow: none;
  color: color-mix(in srgb, var(--ch, var(--brand)) 42%, transparent);
  font: 800 26px/1 var(--font-mono); letter-spacing: 0;
}
html[data-theme="dark"] .doc-content .chapter__no {
  color: color-mix(in srgb, var(--ch, var(--brand)) 62%, transparent);
}

/* ---------------- 15.11 产品页流程图标：默认有呼吸光环，悬停换成该步的强调色 ----------------
   静止时保持品牌蓝，不抢版面；鼠标进入某一步，圆形图标填充该步颜色、文字转白，
   同时光环与该步同色，给一个明确但不过火的反馈。 */
.prod-intro__step:nth-child(1) { --step: #3370FF; }
.prod-intro__step:nth-child(2) { --step: #1A9C4F; }
.prod-intro__step:nth-child(3) { --step: #7B5CFF; }
.prod-intro__step:nth-child(4) { --step: #E65B3A; }
@keyframes step-halo {
  0% { opacity: 0; transform: scale(.84); }
  38% { opacity: .85; }
  100% { opacity: 0; transform: scale(1.3); }
}
.prod-intro__step .prod-intro__step-ico { position: relative; z-index: 0; }
.prod-intro__step .prod-intro__step-ico::after {
  content: ""; position: absolute; inset: -6px; border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--step, var(--brand)) 34%, transparent);
  opacity: 0; pointer-events: none;
  animation: step-halo 3.8s var(--ease) infinite;
}
.prod-intro__step:nth-child(2) .prod-intro__step-ico::after { animation-delay: .7s; }
.prod-intro__step:nth-child(3) .prod-intro__step-ico::after { animation-delay: 1.4s; }
.prod-intro__step:nth-child(4) .prod-intro__step-ico::after { animation-delay: 2.1s; }
.prod-intro__step .prod-intro__step-ico {
  transition: background .22s var(--ease), color .22s var(--ease),
              box-shadow .22s var(--ease), transform .22s var(--ease);
}
.prod-intro__step:hover .prod-intro__step-ico {
  background: var(--step, var(--brand)); color: #fff;
  transform: translateY(-3px);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--step, var(--brand)) 55%, transparent),
    0 14px 26px -12px color-mix(in srgb, var(--step, var(--brand)) 80%, transparent);
}
.prod-intro__step:hover > .mono { color: var(--step, var(--brand-deep)); opacity: 1; }
.prod-intro__step { transition: background .22s var(--ease); }
.prod-intro__step:hover { background: color-mix(in srgb, var(--step, var(--brand)) 4%, var(--surface)); }

/* ---------------- 15.12 卡片悬停统一标准 ----------------
   之前各栏目卡片各自定义 hover，出现了三面/四面描边不一致。这里统一成一条：
   常态四边 1px 描边一致，悬停时四边同时转为品牌蓝，并统一上浮与阴影。*/
.cap-card, .scn-card, .platform-card, .prod-card, .chan, .benefit, .feat, .feat-lead,
.doc-content .chapter {
  border-width: 1px; border-style: solid; border-color: var(--border);
}
.prod-card--soon { border-style: dashed; }
.cap-card:hover, .scn-card:hover, .platform-card:hover, .prod-card:hover, .chan:hover,
.benefit:hover, .feat:hover, .feat-lead:hover, .doc-content .chapter:hover {
  border-width: 1px; border-style: solid;
  border-color: color-mix(in srgb, var(--brand) 58%, var(--border));
  box-shadow: var(--sh-3);
  transform: translateY(-4px);
}

/* ---------------- 15.13 购买页四步：只留一枚放大的图标 ----------------
   之前是「数字圆 + 图标」挤在一个胶囊里，两个图形互相抢，所以去掉序号，
   顺序交给列表本身；网格色仍按步骤分级，只留一圈细描边当提示。 */
.step-badge {
  align-self: flex-start; flex: none;
  width: 48px; height: 48px; border-radius: 13px;
  display: grid; place-items: center;
  background: var(--bg-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--step) 26%, transparent);
}
.step-badge .iart { width: 32px; height: 32px; display: block; }
.step-badge .ic { width: 24px; height: 24px; color: var(--step); }
.buy-steps li::after { left: 23px; top: 56px; }

/* ---------------- 15.12 彩色点图图标位（Ark 生成，public/img/icons） ----------------
   功能图标统一走 IconArt：有彩色资源就用图，没有则自动回退线性 Icon。
   承载彩色图的芯片底色一律用浅色瓷砖，避免和图标自身配色打架。 */
.feat__ico .iart, .feat-lead__ico .iart { width: 34px; height: 34px; display: block; }
.chan__ico .iart { width: 36px; height: 36px; display: block; }
.prod-card__icon .iart { width: 34px; height: 34px; display: block; }
.soon-ico .iart { width: 32px; height: 32px; display: block; }
.download-panel__ico .iart { width: 30px; height: 30px; display: block; }
.prod-intro__step .prod-intro__step-ico .iart { width: 46px; height: 46px; display: block; }
.iart-xl { width: 34px; height: 34px; display: block; }
.prod-card__icon, .download-panel__ico { background: var(--bg-soft); color: var(--brand-deep); }
.chan:hover .chan__ico { background: var(--brand-soft); }

/* ---------------- 15.14 编号统一成彩色实心圆 ----------------
   购买页 01/02/03 与内页章节编号（隐私 1-7、帮助/关于 01-04）统一成同一枚圆形徽标：
   浅色主题用偏深的强调色保证白字对比度，深色主题换成浅色强调色配深字。 */
.buy-sec__no {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--sec-accent); color: var(--sec-on, #fff);
  box-shadow: 0 10px 20px -12px color-mix(in srgb, var(--sec-accent) 85%, transparent);
}
.buy-sec--1 { --sec-accent: #2563EB; --sec-on: #fff; }
.buy-sec--2 { --sec-accent: #15803D; --sec-on: #fff; }
.buy-sec--3 { --sec-accent: #6D4AE0; --sec-on: #fff; }
html[data-theme="dark"] .buy-sec--1 { --sec-accent: #85AAFF; --sec-on: #0B0D12; }
html[data-theme="dark"] .buy-sec--2 { --sec-accent: #4ADE80; --sec-on: #0B0D12; }
html[data-theme="dark"] .buy-sec--3 { --sec-accent: #B3A0FF; --sec-on: #0B0D12; }

/* 内页章节编号的 4 色取值（只作用于编号本身，见 15.10） */
.doc-content .chapter:nth-child(4n+1) { --ch: #2563EB; }
.doc-content .chapter:nth-child(4n+2) { --ch: #6D4AE0; }
.doc-content .chapter:nth-child(4n+3) { --ch: #15803D; }
.doc-content .chapter:nth-child(4n) { --ch: #C2410C; }
html[data-theme="dark"] .doc-content .chapter:nth-child(4n+1) { --ch: #85AAFF; }
html[data-theme="dark"] .doc-content .chapter:nth-child(4n+2) { --ch: #B3A0FF; }
html[data-theme="dark"] .doc-content .chapter:nth-child(4n+3) { --ch: #4ADE80; }
html[data-theme="dark"] .doc-content .chapter:nth-child(4n) { --ch: #FF9A7A; }

/* ==========================================================================
   16. 使用指南：栏目首页与长文阅读版式
   ========================================================================== */

.guide-index-hero,
.guide-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.guide-index-hero::before,
.guide-hero::before {
  content: "";
  position: absolute;
  left: -160px;
  top: -190px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: var(--glow);
  filter: blur(62px);
  pointer-events: none;
}
.guide-index-hero::after,
.guide-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 132px;
  background: linear-gradient(180deg, transparent, var(--bg-alt));
  pointer-events: none;
}
.guide-index-hero__in {
  position: relative;
  z-index: 2;
  padding-top: 58px;
  padding-bottom: 52px;
}
.guide-index-hero h1 {
  max-width: 860px;
  margin: 12px 0 16px;
  font-size: clamp(38px, 5.2vw, 64px);
  line-height: 1.06;
  letter-spacing: 0;
}
.guide-index-hero h1 em {
  color: var(--brand-deep);
  font-style: normal;
}
.guide-index-hero p {
  max-width: 720px;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.75;
}
.guide-index-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
  margin-top: 28px;
}
.guide-index-facts > span {
  display: flex;
  flex-direction: column;
  min-width: 138px;
  padding: 0 24px;
  border-left: 1px solid var(--border-strong);
}
.guide-index-facts > span:first-child { padding-left: 0; border-left: 0; }
.guide-index-facts b {
  font: 800 28px/1 var(--font-mono);
  letter-spacing: 0;
}
.guide-index-facts i {
  margin-top: 6px;
  color: var(--text-3);
  font-size: 12px;
  font-style: normal;
}

.guide-index-body { padding-top: 54px; }
.guide-cat + .guide-cat { margin-top: 58px; }
.guide-cat .sec-head { margin-bottom: 20px; }
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.guide-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 242px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 112, 255, .10), transparent 36%),
    var(--surface);
  box-shadow: var(--sh-1);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.guide-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--brand) 58%, var(--border));
  box-shadow: var(--sh-3);
  text-decoration: none;
}
.guide-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
  color: var(--text-3);
  font: 650 11px/1.4 var(--font-mono);
}
.guide-card__cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: var(--brand-deep);
}
.guide-card__cat .ic { width: 15px; height: 15px; }
.guide-card__time { white-space: nowrap; }
.guide-card h3 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0;
}
.guide-card p {
  margin: 0;
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.7;
}
.guide-card__more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 24px;
  color: var(--brand-deep);
  font-size: 12.5px;
  font-weight: 700;
}
.guide-card__more .ic { width: 15px; height: 15px; transition: transform .18s var(--ease); }
.guide-card:hover .guide-card__more .ic { transform: translateX(4px); }

.guide-hero::after { background: linear-gradient(180deg, transparent, var(--bg)); }
.guide-hero__in {
  position: relative;
  z-index: 2;
  padding-top: 46px;
  padding-bottom: 44px;
}
.guide-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--text-3);
  font-size: 12px;
}
.guide-crumb a { color: var(--text-2); }
.guide-hero h1 {
  max-width: 900px;
  margin: 14px 0 16px;
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.12;
  letter-spacing: 0;
}
.guide-hero__lede {
  max-width: 960px;
  margin: 0;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.75;
  text-wrap: pretty;
}
.guide-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
  color: var(--text-3);
  font: 12px/1.6 var(--font-mono);
}
.guide-meta > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.guide-meta .ic { width: 14px; height: 14px; }

.guide-body { padding: 54px 0 82px; background: var(--bg); }
.guide-layout {
  max-width: 1120px;
  display: grid;
  grid-template-columns: 190px minmax(0, 780px);
  gap: 54px;
  align-items: start;
}
.guide-toc-mobile { display: none; }
.guide-toc-mobile summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 0 15px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}
.guide-toc-mobile summary::-webkit-details-marker { display: none; }
.guide-toc-mobile summary .ic {
  width: 16px;
  height: 16px;
  color: var(--text-3);
  transition: transform .18s var(--ease);
}
.guide-toc-mobile[open] summary .ic { transform: rotate(180deg); }
.guide-toc-mobile .mini-idx {
  position: static;
  margin-top: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
}
.guide-toc-mobile .mini-idx a {
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: start;
  padding: 10px 0;
}
.guide-toc-mobile .mini-idx a span {
  overflow: visible;
  white-space: normal;
  text-overflow: clip;
  line-height: 1.5;
}
.guide-toc {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  min-width: 0;
}
.guide-toc .mini-idx { position: static; }
.guide-toc .mini-idx a {
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: start;
  padding: 11px 0;
}
.guide-toc .mini-idx a i { padding-top: 2px; font-size: 10px; }
.guide-toc .mini-idx a span {
  overflow: visible;
  white-space: normal;
  text-overflow: clip;
  line-height: 1.5;
}
.guide-toc .mini-idx { font-size: 13.5px; }
.guide-prose { min-width: 0; max-width: 780px; }
.guide-prose > :first-child { margin-top: 0; }
.guide-answer {
  margin: 0 0 30px;
  padding: 20px 22px;
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border));
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--brand) 12%, transparent), transparent 44%),
    var(--brand-soft);
}
.guide-answer__label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 9px;
  color: var(--brand-deep);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0;
}
.guide-answer__label .ic { width: 15px; height: 15px; }
.guide-answer p {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.8;
}
.guide-links {
  display: grid;
  grid-template-columns: minmax(118px, 150px) minmax(0, 1fr);
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--sh-1);
}
.guide-links__label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  align-self: start;
  color: var(--brand-deep);
  font-size: 11px;
  font-weight: 750;
}
.guide-links__label .ic { width: 15px; height: 15px; }
.guide-links__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.guide-link {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 124px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-alt);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.guide-link:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--brand) 54%, var(--border));
  text-decoration: none;
}
.guide-link__cat {
  color: var(--text-3);
  font: 650 10.5px/1.4 var(--font-mono);
}
.guide-link b {
  margin: 8px 0 12px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
.guide-link__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 720;
}
.guide-link__more .ic { width: 14px; height: 14px; transition: transform .18s var(--ease); }
.guide-link:hover .guide-link__more .ic { transform: translateX(3px); }
.guide-home-links,
.guide-links-band { border-top: 1px solid var(--border); }
.guide-home-links .guide-grid { margin-top: 24px; }
.guide-links-band { padding-top: 34px; padding-bottom: 34px; }
.guide-links-box { margin: 30px 0; }
.guide-prose h2 {
  scroll-margin-top: calc(var(--header-h) + 24px);
  margin: 42px 0 14px;
  padding-top: 4px;
  font-size: 27px;
  line-height: 1.35;
  letter-spacing: 0;
}
.guide-prose h3 {
  scroll-margin-top: calc(var(--header-h) + 24px);
  margin: 30px 0 11px;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0;
}
.guide-prose p,
.guide-prose li {
  color: var(--text-2);
  font-size: 15.5px;
  line-height: 1.9;
}
.guide-prose p { margin: 0 0 16px; }
.guide-prose ul,
.guide-prose ol { margin: 0 0 18px; padding-left: 24px; }
.guide-prose li + li { margin-top: 6px; }
.guide-prose strong { color: var(--text); }
.guide-prose > p a,
.guide-prose > ul a,
.guide-prose > ol a,
.guide-prose blockquote a,
.guide-prose table a {
  color: var(--brand-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.guide-prose blockquote {
  margin: 22px 0;
  padding: 16px 18px;
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: var(--brand-soft);
}
.guide-prose blockquote p { margin: 0; color: var(--text); }
.guide-prose code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--surface-2);
  font: .9em/1.5 var(--font-mono);
}
.guide-prose pre {
  overflow-x: auto;
  margin: 22px 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: #101827;
}
.guide-prose pre code { padding: 0; background: transparent; color: #E5EAF3; }
.guide-prose table {
  display: block;
  width: 100%;
  overflow-x: auto;
  margin: 22px 0;
  border-collapse: collapse;
  font-size: 14px;
}
.guide-prose th,
.guide-prose td {
  min-width: 130px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.guide-prose th { background: var(--surface-2); color: var(--text); font-weight: 750; }
.guide-prose td { color: var(--text-2); }
.guide-prose hr {
  margin: 38px 0;
  border: 0;
  border-top: 1px solid var(--border);
}
.guide-prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 24px auto;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}

.guide-cta {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  margin-top: 52px;
  padding: 24px;
  border: 1px solid color-mix(in srgb, var(--brand) 28%, var(--border));
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--brand) 12%, transparent), transparent 42%),
    var(--surface);
  box-shadow: var(--sh-2);
}
.guide-cta__icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 15px;
  background: var(--brand);
  color: #fff;
  box-shadow: 0 12px 24px -14px color-mix(in srgb, var(--brand) 85%, transparent);
}
.guide-cta__icon .ic { width: 25px; height: 25px; }
.guide-cta__body h2 { margin: 0 0 8px; font-size: 22px; letter-spacing: 0; }
.guide-cta__body p { margin: 0 0 16px; color: var(--text-2); font-size: 14px; line-height: 1.75; }
.guide-cta .btn,
.guide-related .guide-card { text-decoration: none; }
.guide-cta .btn--primary,
.guide-cta .btn--primary:hover,
.guide-cta .btn--primary:active { color: #fff; }
.guide-related { margin-top: 66px; padding-top: 36px; border-top: 1px solid var(--border-strong); }
.guide-related .sec-head { margin-bottom: 18px; }
.guide-related .sec-head h2 { font-size: 24px; }
.guide-grid--related .guide-card { min-height: 214px; padding: 18px; }
.guide-grid--related .guide-card h3 { font-size: 17px; }

@media (max-width: 1080px) {
  .guide-layout { grid-template-columns: minmax(0, 1fr); max-width: 820px; margin: 0 auto; }
  .guide-toc { display: none; }
  .guide-toc-mobile { display: block; max-width: 820px; margin: 0 auto 22px; }
  .guide-prose { max-width: none; }
}
@media (max-width: 760px) {
  .guide-index-hero__in { padding-top: 42px; padding-bottom: 42px; }
  .guide-index-hero h1 { font-size: clamp(34px, 10vw, 48px); }
  .guide-index-facts > span { min-width: 0; flex: 1 1 33.333%; padding: 0 12px; }
  .guide-index-facts b { font-size: 22px; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-card { min-height: 0; }
  .guide-hero__in { padding-top: 36px; padding-bottom: 36px; }
  .guide-hero h1 { font-size: clamp(30px, 9vw, 42px); }
  .guide-body { padding-top: 40px; padding-bottom: 66px; }
  .guide-prose h2 { font-size: 23px; }
  .guide-cta { grid-template-columns: 1fr; }
  .guide-links { grid-template-columns: 1fr; }
  .guide-links__list { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .guide-index-facts { gap: 14px 0; }
  .guide-index-facts > span { flex-basis: 50%; }
  .guide-index-facts > span:nth-child(3) { padding-left: 0; border-left: 0; }
  .guide-card { padding: 18px; }
  .guide-card__top { margin-bottom: 18px; }
  .guide-card h3 { font-size: 18px; }
  .guide-meta { align-items: flex-start; flex-direction: column; gap: 6px; }
  .guide-prose p,
  .guide-prose li { font-size: 15px; line-height: 1.85; }
}