/* ==========================================================================
   迎洽官网 · 首页原型（fable 版）· 样式表
   --------------------------------------------------------------------------
   文件结构（改造成 WordPress 主题时的对应关系）
     0. 设计变量        → theme.json（settings.color / typography / spacing）
     1. 基础样式与排版   → style.css 全局部分
     2. 通用元件        → 按钮、眉题、区块标题（可做成 pattern 或 block style）
     3. 页头            → 模板部件 parts/header.html
     4. 首页区块        → 每个 .yq-* 区块独立，互不依赖，可各自做成 pattern
     5. 页脚            → 模板部件 parts/footer.html
     6. 偏好设置        → prefers-reduced-motion 等
   命名：所有类名以 yq- 开头；区块内元素用 区块__元素、修饰用 区块--修饰。
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. 设计变量
   -------------------------------------------------------------------------- */
:root {
  /* 品牌色：取自 Logo 的深墨蓝与金色 */
  --yq-navy-900: #060d1f;
  --yq-navy-800: #0b1633;   /* 主色 */
  --yq-navy-700: #14224a;
  --yq-navy-600: #22336b;
  --yq-navy-100: #e6e9f2;
  --yq-gold-500: #e5a100;   /* 点缀金（大面积、线条、图形） */
  --yq-gold-600: #c98c00;
  --yq-gold-700: #8a6100;   /* 小字用金（保证对比度） */
  --yq-gold-100: #fbf3df;
  --yq-red-600: #c4392f;    /* 红包红：只用于红包元素 */
  --yq-red-700: #a02c24;
  --yq-red-100: #f9e6e3;

  /* 中性色 */
  --yq-ink: #101b36;        /* 正文 */
  --yq-ink-2: #4a5570;      /* 次要文字 */
  --yq-ink-3: #6f7891;      /* 辅助文字 */
  --yq-line: #e3e0d8;
  --yq-line-strong: #c9c5ba;
  --yq-paper: #f6f4ee;      /* 浅暖灰底 */
  --yq-paper-2: #edeae2;
  --yq-white: #ffffff;

  /* 深色背景上的文字 */
  --yq-on-dark: #ffffff;
  --yq-on-dark-2: rgba(255, 255, 255, 0.78);
  --yq-on-dark-3: rgba(255, 255, 255, 0.58);
  --yq-on-dark-line: rgba(255, 255, 255, 0.16);

  /* 字体：系统中文字体栈，不打包字体文件 */
  --yq-font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "微软雅黑", "Noto Sans CJK SC", "Noto Sans SC", "Source Han Sans SC",
    "WenQuanYi Micro Hei", sans-serif;
  --yq-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* 字号 */
  --yq-text-xs: 0.8125rem;
  --yq-text-sm: 0.9375rem;
  --yq-text-base: 1.0625rem;
  --yq-text-lg: 1.1875rem;
  --yq-text-xl: 1.3125rem;
  --yq-text-2xl: clamp(1.5rem, 1.25rem + 1vw, 1.875rem);
  --yq-text-3xl: clamp(1.75rem, 1.3rem + 1.8vw, 2.5rem);
  --yq-text-4xl: clamp(2.125rem, 1.35rem + 3.1vw, 3.625rem);

  /* 行高 */
  --yq-leading-tight: 1.2;
  --yq-leading-snug: 1.4;
  --yq-leading-normal: 1.75;

  /* 间距 */
  --yq-space-1: 0.25rem;
  --yq-space-2: 0.5rem;
  --yq-space-3: 0.75rem;
  --yq-space-4: 1rem;
  --yq-space-5: 1.5rem;
  --yq-space-6: 2rem;
  --yq-space-7: 3rem;
  --yq-space-8: 4rem;
  --yq-section-y: clamp(3.5rem, 3vw + 2.5rem, 6.5rem);
  --yq-gutter: clamp(1rem, 4vw, 2.5rem);
  --yq-container: 1200px;

  /* 圆角 */
  --yq-radius-sm: 6px;
  --yq-radius: 10px;
  --yq-radius-lg: 16px;
  --yq-radius-xl: 24px;
  --yq-radius-pill: 999px;

  /* 阴影 */
  --yq-shadow-sm: 0 1px 2px rgba(6, 13, 31, 0.06);
  --yq-shadow: 0 8px 24px rgba(6, 13, 31, 0.08);
  --yq-shadow-lg: 0 24px 56px rgba(6, 13, 31, 0.16);

  /* 页头 */
  --yq-header-h: 76px;
  --yq-header-h-compact: 62px;

  /* 动效 */
  --yq-dur: 180ms;
  --yq-ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* --------------------------------------------------------------------------
   1. 基础样式与排版
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--yq-header-h-compact) + 12px);
}

body {
  margin: 0;
  font-family: var(--yq-font-sans);
  font-size: var(--yq-text-base);
  line-height: var(--yq-leading-normal);
  color: var(--yq-ink);
  background: var(--yq-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: break-word;
}

body.yq-no-scroll {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  line-height: var(--yq-leading-snug);
  color: var(--yq-navy-800);
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

:focus-visible {
  outline: 3px solid var(--yq-navy-800);
  outline-offset: 3px;
  border-radius: 4px;
}

.yq-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.yq-skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--yq-navy-800);
  color: var(--yq-on-dark);
  border-radius: var(--yq-radius);
  font-weight: 600;
}

.yq-skip-link:focus {
  top: 12px;
}

/* 图标 sprite */
.yq-icon {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

/* --------------------------------------------------------------------------
   2. 通用元件
   -------------------------------------------------------------------------- */
.yq-container {
  width: min(100% - 2 * var(--yq-gutter), var(--yq-container));
  margin-inline: auto;
}

.yq-section {
  padding-block: var(--yq-section-y);
  scroll-margin-top: var(--yq-header-h-compact);
}

.yq-section--paper {
  background: var(--yq-paper);
}

.yq-section--dark {
  background: var(--yq-navy-800);
  color: var(--yq-on-dark);
}

.yq-section--dark h2,
.yq-section--dark h3 {
  color: var(--yq-on-dark);
}

.yq-section--dark :focus-visible {
  outline-color: var(--yq-gold-500);
}

/* 眉题：金色短线 + 小字 */
.yq-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
  margin: 0;
  font-size: var(--yq-text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--yq-gold-700);
}

.yq-eyebrow::before {
  content: "";
  width: 1.6em;
  height: 2px;
  background: var(--yq-gold-500);
}

.yq-section--dark .yq-eyebrow {
  color: var(--yq-gold-500);
}

/* 区块标题组 */
.yq-section__head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

.yq-section__head--center {
  margin-inline: auto;
  text-align: center;
}

.yq-section__head--center .yq-eyebrow {
  justify-content: center;
}

.yq-section__title {
  margin: 0.75rem 0 0.9rem;
  font-size: var(--yq-text-3xl);
  line-height: var(--yq-leading-tight);
  letter-spacing: 0.01em;
}

.yq-section__lead {
  font-size: var(--yq-text-lg);
  color: var(--yq-ink-2);
}

.yq-section--dark .yq-section__lead {
  color: var(--yq-on-dark-2);
}

/* 按钮 */
.yq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 3rem;
  padding: 0.7rem 1.5rem;
  border: 1.5px solid transparent;
  border-radius: var(--yq-radius);
  font-size: var(--yq-text-base);
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition: background-color var(--yq-dur) var(--yq-ease), color var(--yq-dur) var(--yq-ease),
    border-color var(--yq-dur) var(--yq-ease), transform var(--yq-dur) var(--yq-ease);
}

.yq-btn:active {
  transform: translateY(1px);
}

.yq-btn--primary {
  background: var(--yq-navy-800);
  color: var(--yq-on-dark);
}

.yq-btn--primary:hover {
  background: var(--yq-navy-600);
}

.yq-btn--gold {
  background: var(--yq-gold-500);
  color: var(--yq-navy-900);
}

.yq-btn--gold:hover {
  background: #f0b21a;
}

.yq-btn--ghost {
  border-color: var(--yq-line-strong);
  color: var(--yq-navy-800);
  background: var(--yq-white);
}

.yq-btn--ghost:hover {
  border-color: var(--yq-navy-800);
}

.yq-btn--sm {
  min-height: 2.5rem;
  padding: 0.45rem 1.1rem;
  font-size: var(--yq-text-sm);
}

/* 文字链接（带箭头） */
.yq-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-weight: 600;
  color: var(--yq-navy-800);
}

.yq-link .yq-icon {
  transition: transform var(--yq-dur) var(--yq-ease);
}

.yq-link:hover .yq-icon {
  transform: translateX(3px);
}

.yq-section--dark .yq-link {
  color: var(--yq-gold-500);
}

/* 小标签 */
.yq-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.15em 0.6em;
  border-radius: var(--yq-radius-pill);
  font-size: var(--yq-text-xs);
  font-weight: 600;
  line-height: 1.6;
  background: var(--yq-gold-100);
  color: var(--yq-gold-700);
}

.yq-tag--dark {
  background: var(--yq-gold-500);
  color: var(--yq-navy-900);
}

/* 示意图公共样式（所有插图都是抽象示意，不是产品截图） */
.yq-art {
  width: 100%;
  height: auto;
}

.yq-art .a-paper { fill: var(--yq-paper); }
.yq-art .a-paper2 { fill: var(--yq-paper-2); }
.yq-art .a-white { fill: var(--yq-white); }
.yq-art .a-navy { fill: var(--yq-navy-800); }
.yq-art .a-navy100 { fill: var(--yq-navy-100); }
.yq-art .a-line { fill: none; stroke: var(--yq-line-strong); stroke-width: 1.25; }
.yq-art .a-bar { fill: var(--yq-line); }
.yq-art .a-bar2 { fill: var(--yq-line-strong); }
.yq-art .a-gold { fill: var(--yq-gold-500); }
.yq-art .a-gold-line { fill: none; stroke: var(--yq-gold-500); stroke-width: 1.5; }
.yq-art .a-gold100 { fill: var(--yq-gold-100); }
.yq-art .a-red { fill: var(--yq-red-600); }
.yq-art .a-red2 { fill: var(--yq-red-700); }
.yq-art .a-red100 { fill: var(--yq-red-100); }
.yq-art .a-stroke-navy { fill: none; stroke: var(--yq-navy-800); stroke-width: 1.25; }
.yq-art .a-text { font-family: var(--yq-font-sans); font-size: 12px; font-weight: 600; fill: var(--yq-ink-2); }
.yq-art .a-text-navy { font-family: var(--yq-font-sans); font-size: 12px; font-weight: 700; fill: var(--yq-navy-800); }
.yq-art .a-text-gold { font-family: var(--yq-font-sans); font-size: 11px; font-weight: 700; fill: var(--yq-gold-700); }
.yq-art .a-text-white { font-family: var(--yq-font-sans); font-size: 12px; font-weight: 600; fill: #fff; }

/* 头像轮廓（抽象） */
.yq-art .a-avatar-bg { fill: var(--yq-navy-100); }
.yq-art .a-avatar-fg { fill: var(--yq-navy-600); }

/* --------------------------------------------------------------------------
   3. 页头（模板部件 header）
   -------------------------------------------------------------------------- */
.yq-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid transparent;
  transition: border-color var(--yq-dur) var(--yq-ease), box-shadow var(--yq-dur) var(--yq-ease);
}

.yq-header.is-scrolled {
  border-bottom-color: var(--yq-line);
  box-shadow: var(--yq-shadow-sm);
}

.yq-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  height: var(--yq-header-h);
  transition: height var(--yq-dur) var(--yq-ease);
}

.yq-header.is-scrolled .yq-header__inner {
  height: var(--yq-header-h-compact);
}

.yq-header__brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex: none;
}

.yq-header__logo {
  width: 52px;
  height: 52px;
  transition: width var(--yq-dur) var(--yq-ease), height var(--yq-dur) var(--yq-ease);
}

.yq-header.is-scrolled .yq-header__logo {
  width: 44px;
  height: 44px;
}

.yq-header__tagline {
  padding-left: 0.9rem;
  border-left: 1px solid var(--yq-line-strong);
  font-size: var(--yq-text-xs);
  line-height: 1.4;
  color: var(--yq-ink-3);
  white-space: nowrap;
}

/* 导航（桌面：横排；手机：抽屉） */
.yq-header__nav {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
}

.yq-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.yq-nav__item {
  position: relative;
}

.yq-nav__link,
.yq-nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.55rem 0.9rem;
  border-radius: var(--yq-radius);
  font-size: var(--yq-text-base);
  font-weight: 500;
  color: var(--yq-navy-800);
  transition: background-color var(--yq-dur) var(--yq-ease);
}

.yq-nav__link:hover,
.yq-nav__toggle:hover,
.yq-nav__item.is-open > .yq-nav__toggle {
  background: var(--yq-paper);
}

.yq-nav__toggle .yq-icon {
  font-size: 0.85em;
  color: var(--yq-ink-3);
  transition: transform var(--yq-dur) var(--yq-ease);
}

.yq-nav__item.is-open > .yq-nav__toggle .yq-icon {
  transform: rotate(180deg);
}

/* 下拉面板（普通） */
.yq-nav__panel {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 14rem;
  padding: 0.6rem;
  background: var(--yq-white);
  border: 1px solid var(--yq-line);
  border-radius: var(--yq-radius-lg);
  box-shadow: var(--yq-shadow-lg);
  z-index: 110;
}

.yq-nav__panel::before {
  /* 顶部金线 */
  content: "";
  position: absolute;
  top: -1px;
  left: 1.25rem;
  width: 2.25rem;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--yq-gold-500);
}

.yq-nav__item.is-open > .yq-nav__panel {
  display: block;
  animation: yq-drop var(--yq-dur) var(--yq-ease);
}

/* 没有 JavaScript 时：桌面端悬停 / 键盘聚焦也能展开 */
html:not(.js) .yq-nav__item:hover > .yq-nav__panel,
html:not(.js) .yq-nav__item:focus-within > .yq-nav__panel {
  display: block;
}

@keyframes yq-drop {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.yq-nav__list a {
  display: block;
  padding: 0.55rem 0.9rem;
  border-radius: var(--yq-radius-sm);
  font-weight: 500;
  color: var(--yq-ink);
}

.yq-nav__list a:hover {
  background: var(--yq-paper);
  color: var(--yq-navy-800);
}

/* 分栏大面板（产品功能） */
.yq-nav__item--mega {
  position: static;
}

.yq-nav__panel--mega {
  left: 0;
  right: 0;
  width: 100%;
  padding: 1.5rem 1.5rem 1.25rem;
}

.yq-nav__panel--mega::before {
  left: 1.5rem;
}

.yq-nav__groups {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1.15fr 1fr;
  gap: 1.5rem;
}

.yq-nav__group + .yq-nav__group {
  border-left: 1px solid var(--yq-line);
  padding-left: 1.5rem;
}

.yq-nav__group-title {
  margin: 0 0 0.5rem 0.75rem;
  font-size: var(--yq-text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--yq-gold-700);
}

.yq-nav__entry {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: var(--yq-radius);
}

.yq-nav__entry:hover {
  background: var(--yq-paper);
}

.yq-nav__entry-name {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  color: var(--yq-navy-800);
  line-height: 1.4;
}

.yq-nav__entry-desc {
  margin-top: 0.15rem;
  font-size: var(--yq-text-xs);
  line-height: 1.5;
  color: var(--yq-ink-3);
}

.yq-nav__panel-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--yq-line);
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-3);
}

/* 右侧动作 */
.yq-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 0.75rem;
  padding-left: 1rem;
  border-left: 1px solid var(--yq-line);
}

.yq-nav__login {
  padding: 0.55rem 0.9rem;
  border-radius: var(--yq-radius);
  font-weight: 500;
  color: var(--yq-navy-800);
}

.yq-nav__login:hover {
  background: var(--yq-paper);
}

/* 手机端专用元素（桌面隐藏） */
.yq-header__mobile {
  display: none;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.yq-header__menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--yq-radius);
  color: var(--yq-navy-800);
  font-size: 1.5rem;
}

.yq-header__menu-btn .yq-icon--close {
  display: none;
}

.yq-header.is-menu-open .yq-header__menu-btn .yq-icon--close {
  display: block;
}

.yq-header.is-menu-open .yq-header__menu-btn .yq-icon--menu {
  display: none;
}

/* --------------------------------------------------------------------------
   4. 首页区块（每块独立）
   -------------------------------------------------------------------------- */

/* 4.1 首屏 -------------------------------------------------------------- */
.yq-hero {
  position: relative;
  padding-block: clamp(3rem, 5vw, 5.5rem) clamp(2.5rem, 4vw, 4rem);
  overflow: hidden;
}

.yq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.yq-hero__title {
  margin: 1.1rem 0 1.25rem;
  font-size: var(--yq-text-4xl);
  line-height: var(--yq-leading-tight);
  letter-spacing: 0.02em;
}

.yq-hero__title-line {
  display: block;
}

.yq-hero__title-line--accent {
  position: relative;
  z-index: 0;
  display: inline-block;
}

.yq-hero__title-line--accent::after {
  /* 金色下划线，取 Logo 的金弧意象 */
  content: "";
  position: absolute;
  left: 0.05em;
  right: 0.2em;
  bottom: -0.08em;
  height: 0.16em;
  border-radius: 2px;
  background: var(--yq-gold-500);
  opacity: 0.85;
  z-index: -1;
}

.yq-hero__lead {
  max-width: 34em;
  font-size: var(--yq-text-lg);
  color: var(--yq-ink-2);
}

.yq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: 2rem;
}

.yq-hero__store {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--yq-text-sm);
  font-weight: 500;
  color: var(--yq-ink-2);
}

.yq-hero__store .yq-icon {
  color: var(--yq-gold-600);
  font-size: 1.15em;
}

.yq-hero__figure {
  margin: 0;
}

.yq-hero__caption {
  margin-top: 0.75rem;
  text-align: center;
  font-size: var(--yq-text-xs);
  color: var(--yq-ink-3);
}

/* 首屏底部：我们坚持的几件事 */
.yq-hero__points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--yq-line);
}

.yq-hero__point {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
}

.yq-hero__point-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  margin-top: 0.15rem;
  border-radius: 50%;
  background: var(--yq-gold-100);
  color: var(--yq-gold-700);
  font-size: 0.95rem;
}

.yq-hero__point strong {
  display: block;
  font-size: var(--yq-text-base);
  font-weight: 700;
  color: var(--yq-navy-800);
}

.yq-hero__point p {
  margin-top: 0.15rem;
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-2);
}

/* 4.2 四条卖点主线 -------------------------------------------------------- */
.yq-pillars__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.yq-pillar {
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1.5rem 1.5rem;
  background: var(--yq-white);
  border: 1px solid var(--yq-line);
  border-radius: var(--yq-radius-lg);
  transition: border-color var(--yq-dur) var(--yq-ease), transform var(--yq-dur) var(--yq-ease),
    box-shadow var(--yq-dur) var(--yq-ease);
}

.yq-pillar:hover {
  border-color: var(--yq-navy-800);
  transform: translateY(-3px);
  box-shadow: var(--yq-shadow);
}

.yq-pillar__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.yq-pillar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--yq-radius);
  background: var(--yq-navy-800);
  color: var(--yq-gold-500);
  font-size: 1.5rem;
}

.yq-pillar__num {
  font-family: var(--yq-font-mono);
  font-size: var(--yq-text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--yq-gold-700);
}

.yq-pillar__title {
  font-size: var(--yq-text-xl);
}

.yq-pillar__sub {
  margin-top: 0.2rem;
  font-size: var(--yq-text-sm);
  font-weight: 600;
  color: var(--yq-gold-700);
}

.yq-pillar__desc {
  margin-top: 0.85rem;
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-2);
  flex: 1 1 auto;
}

.yq-pillar__link {
  margin-top: 1.25rem;
  font-size: var(--yq-text-sm);
}

/* 4.3 主推：企微群裂变 ---------------------------------------------------- */
.yq-fission {
  border-top: 3px solid var(--yq-gold-500);
}

.yq-fission__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.yq-fission__figure {
  margin: 0;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--yq-on-dark-line);
  border-radius: var(--yq-radius-xl);
}

.yq-fission__figcaption {
  margin-top: 0.75rem;
  font-size: var(--yq-text-xs);
  color: var(--yq-on-dark-3);
  text-align: center;
}

.yq-fission__list {
  display: grid;
  gap: 1.5rem;
}

.yq-fission__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
}

.yq-fission__item-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1.5px solid var(--yq-gold-500);
  border-radius: 50%;
  font-family: var(--yq-font-mono);
  font-size: var(--yq-text-sm);
  font-weight: 600;
  color: var(--yq-gold-500);
}

.yq-fission__item h3 {
  font-size: var(--yq-text-lg);
}

.yq-fission__item p {
  margin-top: 0.3rem;
  font-size: var(--yq-text-sm);
  color: var(--yq-on-dark-2);
}

.yq-fission__notes {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--yq-on-dark-line);
  display: grid;
  gap: 0.4rem;
  font-size: var(--yq-text-xs);
  color: var(--yq-on-dark-3);
}

.yq-fission__cta {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
}

/* 深色底上的示意图配色 */
.yq-fission .yq-art .d-circle { fill: rgba(255, 255, 255, 0.04); stroke: rgba(255, 255, 255, 0.32); stroke-width: 1.25; stroke-dasharray: 5 6; }
.yq-fission .yq-art .d-text { font-family: var(--yq-font-sans); font-size: 12px; font-weight: 600; fill: rgba(255, 255, 255, 0.72); }
.yq-fission .yq-art .d-text-strong { font-family: var(--yq-font-sans); font-size: 13px; font-weight: 700; fill: #fff; }
.yq-fission .yq-art .d-text-gold { font-family: var(--yq-font-sans); font-size: 11px; font-weight: 700; fill: var(--yq-gold-500); }
.yq-fission .yq-art .d-text-dim { font-family: var(--yq-font-sans); font-size: 11px; font-weight: 600; fill: rgba(255, 255, 255, 0.5); }
.yq-fission .yq-art .d-line { fill: none; stroke: var(--yq-gold-500); stroke-width: 1.5; }
.yq-fission .yq-art .d-avatar { fill: var(--yq-navy-600); stroke: rgba(255, 255, 255, 0.5); stroke-width: 1.25; }
.yq-fission .yq-art .d-avatar-old { fill: var(--yq-navy-600); stroke: var(--yq-gold-500); stroke-width: 2; }
.yq-fission .yq-art .d-avatar-hi { fill: var(--yq-gold-500); stroke: var(--yq-gold-500); stroke-width: 2; }
.yq-fission .yq-art .d-person { fill: rgba(255, 255, 255, 0.85); }
.yq-fission .yq-art .d-person-dark { fill: var(--yq-navy-800); }
.yq-fission .yq-art .d-step { fill: rgba(255, 255, 255, 0.07); stroke: rgba(255, 255, 255, 0.22); stroke-width: 1; }
.yq-fission .yq-art .d-step-done { fill: rgba(229, 161, 0, 0.16); stroke: var(--yq-gold-500); stroke-width: 1; }
.yq-fission .yq-art .d-badge { fill: var(--yq-gold-500); }
.yq-fission .yq-art .d-badge-text { font-family: var(--yq-font-sans); font-size: 12px; font-weight: 700; fill: var(--yq-navy-900); }
.yq-fission .yq-art .d-check { fill: none; stroke: var(--yq-navy-900); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.yq-fission .yq-art .d-ring { fill: none; stroke: var(--yq-gold-500); stroke-width: 2; }
.yq-fission .yq-art .d-ring-dim { fill: none; stroke: rgba(255, 255, 255, 0.35); stroke-width: 1.5; }

/* 4.4 三种红包发法 -------------------------------------------------------- */
.yq-redpacket__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.yq-rp-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--yq-line);
  border-radius: var(--yq-radius-lg);
  overflow: hidden;
  background: var(--yq-white);
  transition: border-color var(--yq-dur) var(--yq-ease), box-shadow var(--yq-dur) var(--yq-ease);
}

.yq-rp-card:hover {
  border-color: var(--yq-navy-800);
  box-shadow: var(--yq-shadow);
}

.yq-rp-card__art {
  margin: 0;
  padding: 1.25rem 1.25rem 0;
  background: var(--yq-paper);
}

.yq-rp-card__body {
  padding: 1.35rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}

.yq-rp-card__scene {
  font-size: var(--yq-text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--yq-gold-700);
}

.yq-rp-card__title {
  margin-top: 0.35rem;
  font-size: var(--yq-text-xl);
}

.yq-rp-card__desc {
  margin-top: 0.6rem;
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-2);
  flex: 1 1 auto;
}

.yq-rp-card__link {
  margin-top: 1.1rem;
  font-size: var(--yq-text-sm);
}

/* 会员分级 + 共同规则 */
.yq-redpacket__band {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 1.5rem 3rem;
  margin-top: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--yq-paper);
  border-radius: var(--yq-radius-lg);
}

.yq-redpacket__band h3 {
  font-size: var(--yq-text-xl);
}

.yq-redpacket__band p {
  margin-top: 0.5rem;
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-2);
}

.yq-tiers {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.yq-tiers__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.3em 0.8em;
  border-radius: var(--yq-radius-pill);
  background: var(--yq-white);
  border: 1px solid var(--yq-line);
  font-size: var(--yq-text-xs);
  font-weight: 600;
  color: var(--yq-navy-800);
}

.yq-tiers__item::before {
  content: "";
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--yq-gold-500);
  opacity: var(--tier-opacity, 1);
}

.yq-tiers__more {
  font-size: var(--yq-text-xs);
  color: var(--yq-ink-3);
}

.yq-rules {
  display: grid;
  gap: 0.75rem;
  align-content: center;
}

.yq-rules li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem;
  align-items: start;
  font-size: var(--yq-text-sm);
  color: var(--yq-ink);
}

.yq-rules .yq-icon {
  margin-top: 0.3rem;
  color: var(--yq-red-600);
  font-size: 1.05rem;
}

/* 4.5 客户运营 ------------------------------------------------------------ */
.yq-ops__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.yq-ops__figure {
  margin: 0;
}

.yq-ops__list {
  display: grid;
  gap: 1rem;
}

.yq-feature {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  background: var(--yq-white);
  border: 1px solid var(--yq-line);
  border-radius: var(--yq-radius-lg);
  transition: border-color var(--yq-dur) var(--yq-ease);
}

.yq-feature:hover {
  border-color: var(--yq-navy-800);
}

.yq-feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--yq-radius);
  background: var(--yq-navy-100);
  color: var(--yq-navy-800);
  font-size: 1.25rem;
}

.yq-feature h3 {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--yq-text-lg);
}

.yq-feature p {
  margin-top: 0.3rem;
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-2);
}

.yq-feature__link {
  margin-top: 0.5rem;
  font-size: var(--yq-text-sm);
}

/* 4.6 资金与管理 ---------------------------------------------------------- */
.yq-funds__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.yq-funds__figure {
  margin: 0;
  order: 2;
}

.yq-funds__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.yq-funds__list .yq-feature {
  grid-template-columns: 1fr;
  gap: 0.75rem;
  background: var(--yq-paper);
  border-color: transparent;
}

.yq-funds__list .yq-feature:hover {
  border-color: var(--yq-navy-800);
}

/* 4.7 怎么开始 ------------------------------------------------------------ */
.yq-steps__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.yq-step {
  position: relative;
  padding-top: 1rem;
}

.yq-step::before {
  /* 金色连接线 */
  content: "";
  position: absolute;
  top: 1.75rem;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--yq-line-strong);
}

.yq-step:last-child::before {
  right: auto;
  width: 3rem;
}

.yq-step__num {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--yq-navy-800);
  color: var(--yq-gold-500);
  font-family: var(--yq-font-mono);
  font-weight: 700;
  font-size: var(--yq-text-lg);
  box-shadow: 0 0 0 6px var(--yq-paper);
}

.yq-step__icon {
  position: absolute;
  top: 1rem;
  right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--yq-white);
  border: 1px solid var(--yq-line);
  color: var(--yq-navy-800);
  font-size: 1.3rem;
  box-shadow: 0 0 0 6px var(--yq-paper);
}

.yq-step h3 {
  margin-top: 1.1rem;
  font-size: var(--yq-text-lg);
}

.yq-step p {
  margin-top: 0.35rem;
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-2);
}

.yq-steps__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--yq-line);
}

/* 4.8 常见问题 ------------------------------------------------------------ */
.yq-faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.yq-faq__aside .yq-section__head {
  margin-bottom: 1.5rem;
}

.yq-faq__item {
  border-top: 1px solid var(--yq-line);
}

.yq-faq__item:last-child {
  border-bottom: 1px solid var(--yq-line);
}

.yq-faq__question {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  cursor: pointer;
  list-style: none;
}

.yq-faq__question::-webkit-details-marker {
  display: none;
}

.yq-faq__question h3 {
  font-size: var(--yq-text-lg);
  font-weight: 600;
}

.yq-faq__marker {
  position: relative;
  flex: none;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 1px solid var(--yq-line-strong);
}

.yq-faq__marker::before,
.yq-faq__marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.7rem;
  height: 2px;
  background: var(--yq-navy-800);
  transform: translate(-50%, -50%);
  transition: transform var(--yq-dur) var(--yq-ease);
}

.yq-faq__marker::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.yq-faq__item[open] .yq-faq__marker {
  background: var(--yq-navy-800);
  border-color: var(--yq-navy-800);
}

.yq-faq__item[open] .yq-faq__marker::before,
.yq-faq__item[open] .yq-faq__marker::after {
  background: var(--yq-gold-500);
}

.yq-faq__item[open] .yq-faq__marker::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.yq-faq__question:hover h3 {
  color: var(--yq-navy-600);
}

.yq-faq__answer {
  padding: 0 3rem 1.25rem 0;
  color: var(--yq-ink-2);
}

/* 4.9 预约演示 ------------------------------------------------------------ */
.yq-demo__card {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  padding: clamp(1.5rem, 4vw, 3.25rem);
  background: var(--yq-white);
  border: 1px solid var(--yq-line);
  border-radius: var(--yq-radius-xl);
  box-shadow: var(--yq-shadow);
}

.yq-demo__card .yq-section__head {
  margin-bottom: 1.75rem;
}

.yq-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
}

.yq-form__field {
  display: grid;
  gap: 0.35rem;
}

.yq-form__field--full {
  grid-column: 1 / -1;
}

.yq-form__label {
  font-size: var(--yq-text-sm);
  font-weight: 600;
  color: var(--yq-navy-800);
}

.yq-form__input {
  width: 100%;
  min-height: 3rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--yq-line-strong);
  border-radius: var(--yq-radius);
  background: var(--yq-white);
  transition: border-color var(--yq-dur) var(--yq-ease), box-shadow var(--yq-dur) var(--yq-ease);
}

.yq-form__input:focus {
  outline: none;
  border-color: var(--yq-navy-800);
  box-shadow: 0 0 0 3px rgba(11, 22, 51, 0.12);
}

.yq-form__input::placeholder {
  color: var(--yq-ink-3);
}

select.yq-form__input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.5rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--yq-ink-2) 50%),
    linear-gradient(135deg, var(--yq-ink-2) 50%, transparent 50%);
  background-position: calc(100% - 1.2rem) 55%, calc(100% - 0.85rem) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.yq-form__actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.yq-form__status {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.75rem 1rem;
  border-radius: var(--yq-radius);
  background: var(--yq-gold-100);
  color: var(--yq-gold-700);
  font-weight: 600;
  font-size: var(--yq-text-sm);
}

.yq-form__status[hidden] {
  display: none;
}

.yq-form__nojs {
  grid-column: 1 / -1;
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-3);
}

html.js .yq-form__nojs {
  display: none;
}

.yq-form__hint {
  grid-column: 1 / -1;
  font-size: var(--yq-text-xs);
  color: var(--yq-ink-3);
}

.yq-demo__aside {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--yq-paper);
  border-radius: var(--yq-radius-lg);
  text-align: center;
}

.yq-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 160px;
  padding: 1rem;
  background: var(--yq-white);
  border: 1px dashed var(--yq-line-strong);
  border-radius: var(--yq-radius);
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-3);
  text-align: center;
}

.yq-demo__aside-title {
  font-size: var(--yq-text-base);
  font-weight: 700;
  color: var(--yq-navy-800);
}

.yq-demo__aside p {
  font-size: var(--yq-text-sm);
  color: var(--yq-ink-2);
}

.yq-demo__aside .yq-hero__store {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   5. 页脚（模板部件 footer）
   -------------------------------------------------------------------------- */
.yq-footer {
  background: var(--yq-navy-900);
  color: var(--yq-on-dark-2);
  border-top: 3px solid var(--yq-gold-500);
  padding-block: clamp(2.5rem, 4vw, 4rem) 1.5rem;
  font-size: var(--yq-text-sm);
}

.yq-footer :focus-visible {
  outline-color: var(--yq-gold-500);
}

.yq-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1fr 1fr 1fr;
  gap: 2rem 2.5rem;
}

.yq-footer__col--wide .yq-footer__groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.5rem;
}

.yq-footer__brand {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.yq-footer__logo {
  width: 56px;
  height: 56px;
  padding: 4px;
  background: var(--yq-white);
  border-radius: var(--yq-radius);
}

.yq-footer__brand-name {
  font-size: var(--yq-text-lg);
  font-weight: 700;
  color: var(--yq-on-dark);
}

.yq-footer__brand p {
  max-width: 20em;
}

.yq-footer__store {
  display: grid;
  gap: 0.3rem;
  padding-top: 0.5rem;
  color: var(--yq-on-dark);
}

.yq-footer__store span {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
}

.yq-footer__store .yq-icon {
  color: var(--yq-gold-500);
}

.yq-footer__title {
  margin: 0 0 0.9rem;
  font-size: var(--yq-text-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--yq-on-dark);
}

.yq-footer__col ul {
  display: grid;
  gap: 0.5rem;
}

.yq-footer__col a {
  color: var(--yq-on-dark-2);
  transition: color var(--yq-dur) var(--yq-ease);
}

.yq-footer__col a:hover {
  color: var(--yq-gold-500);
}

.yq-footer__group {
  margin-bottom: 0.4rem;
  font-size: var(--yq-text-xs);
  letter-spacing: 0.08em;
  color: var(--yq-on-dark-3);
}

.yq-footer__col ul + .yq-footer__group {
  margin-top: 1rem;
}

.yq-footer__col--wide .yq-footer__groups > div:nth-child(-n + 2) .yq-footer__group:first-child {
  margin-top: 0;
}

.yq-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem 2rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--yq-on-dark-line);
  font-size: var(--yq-text-xs);
  color: var(--yq-on-dark-3);
}

.yq-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

/* --------------------------------------------------------------------------
   6. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1279px) {
  .yq-header__tagline {
    display: none;
  }
}

@media (max-width: 1100px) {
  .yq-nav__groups {
    grid-template-columns: 1fr 1fr;
  }

  .yq-nav__group + .yq-nav__group {
    border-left: 0;
    padding-left: 0;
  }
}

/* 平板与手机：导航改为抽屉 */
@media (max-width: 1023px) {
  :root {
    --yq-header-h: 64px;
    --yq-header-h-compact: 60px;
  }

  .yq-header__logo,
  .yq-header.is-scrolled .yq-header__logo {
    width: 40px;
    height: 40px;
  }

  .yq-header__mobile {
    display: flex;
  }

  .yq-header__nav {
    display: none;
    position: fixed;
    top: var(--yq-header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 105;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem var(--yq-gutter) 2rem;
    overflow-y: auto;
    background: var(--yq-white);
    border-top: 1px solid var(--yq-line);
  }

  .yq-header.is-scrolled .yq-header__nav {
    top: var(--yq-header-h-compact);
  }

  .yq-header.is-menu-open .yq-header__nav {
    display: flex;
  }

  .yq-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
  }

  .yq-nav__item {
    border-bottom: 1px solid var(--yq-line);
  }

  .yq-nav__link,
  .yq-nav__toggle {
    width: 100%;
    justify-content: space-between;
    padding: 0.95rem 0.25rem;
    border-radius: 0;
    font-size: var(--yq-text-lg);
    font-weight: 600;
  }

  .yq-nav__link:hover,
  .yq-nav__toggle:hover,
  .yq-nav__item.is-open > .yq-nav__toggle {
    background: transparent;
  }

  .yq-nav__panel,
  .yq-nav__panel--mega {
    position: static;
    width: auto;
    min-width: 0;
    padding: 0 0 0.75rem;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    animation: none;
  }

  .yq-nav__panel::before {
    display: none;
  }

  .yq-nav__item.is-open > .yq-nav__panel {
    animation: none;
  }

  html:not(.js) .yq-nav__item:hover > .yq-nav__panel,
  html:not(.js) .yq-nav__item:focus-within > .yq-nav__panel {
    display: none;
  }

  .yq-nav__groups {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .yq-nav__group-title {
    margin-left: 0.25rem;
  }

  .yq-nav__entry {
    padding: 0.5rem 0.25rem;
  }

  .yq-nav__entry-desc {
    display: none;
  }

  .yq-nav__list a {
    padding: 0.5rem 0.25rem;
  }

  .yq-nav__panel-foot {
    display: none;
  }

  .yq-nav__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    margin: 1.25rem 0 0;
    padding-left: 0;
    border-left: 0;
  }

  .yq-nav__actions .yq-btn {
    width: 100%;
  }

  .yq-nav__login {
    text-align: center;
    border: 1.5px solid var(--yq-line-strong);
  }

  .yq-hero__grid,
  .yq-fission__grid,
  .yq-ops__grid,
  .yq-funds__grid,
  .yq-faq__grid,
  .yq-demo__card {
    grid-template-columns: 1fr;
  }

  .yq-hero__figure {
    max-width: 34rem;
    margin-inline: auto;
  }

  .yq-funds__figure {
    order: 0;
    max-width: 34rem;
    margin-inline: auto;
  }

  .yq-ops__figure {
    max-width: 34rem;
    margin-inline: auto;
  }

  .yq-pillars__grid {
    grid-template-columns: 1fr 1fr;
  }

  .yq-redpacket__grid {
    grid-template-columns: 1fr;
    max-width: 34rem;
    margin-inline: auto;
  }

  .yq-redpacket__band {
    grid-template-columns: 1fr;
  }

  .yq-steps__list {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.5rem;
  }

  .yq-step:nth-child(2)::before {
    right: auto;
    width: 3rem;
  }

  .yq-faq__aside .yq-section__head {
    max-width: none;
  }
}

@media (max-width: 767px) {
  .yq-fission__figure {
    padding: 0.75rem;
  }

  .yq-fission .yq-art .d-text { font-size: 15px; }
  .yq-fission .yq-art .d-text-strong { font-size: 16px; }
  .yq-fission .yq-art .d-text-gold { font-size: 14px; }
  .yq-fission .yq-art .d-text-dim { font-size: 14px; }
  .yq-fission .yq-art .d-badge-text { font-size: 14px; }
  .yq-art .a-text-gold { font-size: 14px; }
  .yq-art .a-text-navy { font-size: 14px; }

  .yq-hero__points,
  .yq-pillars__grid,
  .yq-funds__list,
  .yq-steps__list {
    grid-template-columns: 1fr;
  }

  .yq-step::before {
    display: none;
  }

  .yq-step {
    padding-top: 0;
    padding-left: 4rem;
  }

  .yq-step__num {
    position: absolute;
    left: 0;
    top: 0;
    box-shadow: none;
  }

  .yq-step__icon {
    display: none;
  }

  .yq-step h3 {
    margin-top: 0;
    line-height: 3rem;
  }

  .yq-form {
    grid-template-columns: 1fr;
  }

  .yq-form__field--full {
    grid-column: auto;
  }

  .yq-form__actions,
  .yq-form__status,
  .yq-form__nojs,
  .yq-form__hint {
    grid-column: auto;
  }

  .yq-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .yq-footer__brand,
  .yq-footer__col--wide {
    grid-column: 1 / -1;
  }

  .yq-faq__answer {
    padding-right: 0;
  }

  .yq-hero__actions .yq-btn {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .yq-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .yq-pillar:hover {
    transform: none;
  }
}

/* 打印 */
@media print {
  .yq-header,
  .yq-skip-link {
    display: none;
  }
}