/*
Theme Name: Yabao Brand
Description: www.yabaocloud.com 视觉子主题（Astra child）。承担全站变量、Header、Footer、按钮、表单与移动端规则；首页业务组件由 Yabao Sourcing Connector 的 [yabao_homepage] 提供。
Author: YabaoCloud
Template: astra
Version: 1.0.1
Text Domain: yabao-brand
*/

/* ---------------------------------------------------------------------
 * 全站视觉变量（与 design/www-yabaocloud-v1/tokens.css 一致）
 * ------------------------------------------------------------------- */
:root {
  --yb-ink: #10251f;
  --yb-forest: #0d5b43;
  --yb-forest-strong: #084332;
  --yb-mint: #e9f5ee;
  --yb-gold: #d7a547;
  --yb-cream: #fbfaf6;
  --yb-paper: #ffffff;
  --yb-slate: #4b5d55;
  --yb-line: #dbe5df;
  --yb-shadow-sm: 0 8px 22px rgba(16, 37, 31, .08);
  --yb-shadow-lg: 0 22px 60px rgba(16, 37, 31, .18);
  --yb-r-sm: 14px;
  --yb-r-lg: 24px;
  --yb-max: 1180px;
  --yb-s1: 8px;
  --yb-s2: 16px;
  --yb-s3: 24px;
  --yb-s4: 40px;
  --yb-s5: 64px;
  --yb-s6: 96px;
  --yb-font: Inter, Manrope, "Segoe UI", Arial, sans-serif;
}

/* 防横向滚动兜底（1440 / 768 / 390 三断点验收） */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--yb-cream);
  color: var(--yb-ink);
  font-family: var(--yb-font);
  line-height: 1.55;
}

/* 键盘可达性：统一 focus 状态 */
.yb-skip-link:focus-visible,
.yb-logo:focus-visible,
.yb-nav a:focus-visible,
.yb-cta-btn:focus-visible,
.yb-footer a:focus-visible {
  outline: 3px solid var(--yb-gold);
  outline-offset: 3px;
  border-radius: 6px;
}

.yb-skip-link {
  position: absolute;
  left: -10000px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  background: var(--yb-ink);
  color: #fff;
  border-radius: 0 0 var(--yb-r-sm) 0;
  text-decoration: none;
}
.yb-skip-link:focus {
  left: 0;
}

/* ---------------------------------------------------------------------
 * Header
 * ------------------------------------------------------------------- */
.yb-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--yb-line);
  backdrop-filter: blur(8px);
}

.yb-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--yb-s2);
  width: min(calc(100% - 40px), var(--yb-max));
  min-height: 68px;
  margin-inline: auto;
}

.yb-logo {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--yb-ink);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.02em;
  text-decoration: none;
}
.yb-logo img {
  display: block;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: cover;
}

.yb-nav {
  display: flex;
  align-items: center;
  gap: var(--yb-s3);
}

.yb-nav__list {
  display: flex;
  gap: var(--yb-s3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.yb-nav__list a,
.yb-nav ul a {
  color: var(--yb-slate);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: color .18s ease;
}
.yb-nav__list a:hover,
.yb-nav ul a:hover {
  color: var(--yb-forest-strong);
}

/* Header CTA（首页 Hero 之外的全站按钮由本主题负责） */
.yb-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--yb-gold);
  color: var(--yb-ink);
  font-weight: 800;
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.yb-cta-btn:hover {
  background: #e9bc61;
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(215, 165, 71, .26);
}

/* 移动端菜单：<button aria-expanded> 语义控件（R3 无障碍修复），
 * 状态由 aria-expanded 驱动，配最小内联 JS；无 JS 时 noscript 直接展开 */
.yb-nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: 10px;
}
.yb-nav-burger:focus-visible {
  outline: 3px solid var(--yb-gold);
  outline-offset: 3px;
}
.yb-nav-burger span,
.yb-nav-burger span::before,
.yb-nav-burger span::after {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--yb-ink);
  content: "";
  transition: transform .18s ease, opacity .18s ease;
}
.yb-nav-burger span {
  position: relative;
}
.yb-nav-burger span::before {
  position: absolute;
  top: -7px;
  content: "";
}
.yb-nav-burger span::after {
  position: absolute;
  top: 7px;
  content: "";
}
.yb-nav-burger[aria-expanded="true"] span {
  background: transparent;
}
.yb-nav-burger[aria-expanded="true"] span::before {
  transform: translateY(7px) rotate(45deg);
}
.yb-nav-burger[aria-expanded="true"] span::after {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .yb-header__inner {
    width: min(calc(100% - 28px), var(--yb-max));
  }
  .yb-nav-burger {
    display: inline-flex;
  }
  .yb-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--yb-s1);
    padding: var(--yb-s3) var(--yb-s2) var(--yb-s4);
    background: var(--yb-paper);
    border-bottom: 1px solid var(--yb-line);
    box-shadow: var(--yb-shadow-lg);
  }
  .yb-nav.is-open {
    display: flex;
  }
  .yb-nav__list {
    flex-direction: column;
    gap: 0;
  }
  .yb-nav__list a,
  .yb-nav ul a {
    display: block;
    padding: 12px 4px;
    border-bottom: 1px solid var(--yb-line);
    font-size: 16px;
  }
  .yb-nav .yb-cta-btn {
    margin-top: var(--yb-s2);
  }
}

/* ---------------------------------------------------------------------
 * Footer
 * ------------------------------------------------------------------- */
.yb-footer {
  background: var(--yb-ink);
  color: #dfe9e4;
}
.yb-footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--yb-s4);
  width: min(calc(100% - 40px), var(--yb-max));
  margin-inline: auto;
  padding-block: var(--yb-s5) var(--yb-s4);
}
.yb-footer a {
  color: #dfe9e4;
  text-decoration: none;
}
.yb-footer a:hover {
  color: var(--yb-gold);
  text-decoration: underline;
}
.yb-footer__brand img {
  display: block;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 9px;
}
.yb-footer__brand p {
  margin: 0;
  max-width: 300px;
  font-size: 14px;
  color: #b9cabf;
}
.yb-footer h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 15px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.yb-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.yb-footer li {
  margin-bottom: 10px;
  font-size: 14px;
}
.yb-footer__legal {
  width: min(calc(100% - 40px), var(--yb-max));
  margin-inline: auto;
  padding-block: var(--yb-s2);
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: #8fa39a;
  font-size: 13px;
}
.yb-footer__legal:empty {
  padding-block: 0;
}

@media (max-width: 900px) {
  .yb-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 680px) {
  .yb-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--yb-s3);
  }
}

/* ---------------------------------------------------------------------
 * 表单（对齐 Yabao Sourcing Connector 的 .yabao-form 基础样式，
 * 仅做品牌色与间距适配，不改变插件行为）
 * ------------------------------------------------------------------- */
.yabao-form {
  font-family: var(--yb-font);
}
.yabao-form input,
.yabao-form textarea,
.yabao-form select {
  font-family: inherit;
}
.yabao-form input:focus-visible,
.yabao-form textarea:focus-visible,
.yabao-form select:focus-visible {
  border-color: var(--yb-forest);
  outline: 3px solid rgba(13, 91, 67, .25);
  outline-offset: 1px;
}
.yabao-submit:focus-visible {
  outline: 3px solid var(--yb-ink);
  outline-offset: 3px;
}