/* =========================================================
   瑶妹妹枣糕 · 官网样式
   基于 Bootstrap 5.3，只在品牌色变量层做定制，不自造组件
   ========================================================= */

:root {
  /* 品牌色板 */
  --ym-jujube: #9e2b25;
  --ym-jujube-deep: #681e18;
  --ym-jujube-soft: #c4574e;
  --ym-gold: #d9a441;
  --ym-gold-soft: #e8c98a;
  --ym-cream: #f8f3ea;
  --ym-cream-deep: #efe3d2;
  --ym-ink: #2e2320;
  --ym-ink-soft: #6b5a53;

  /* 接管 Bootstrap 主题变量 */
  --bs-primary: var(--ym-jujube);
  --bs-primary-rgb: 158, 43, 37;
  --bs-body-color: var(--ym-ink);
  --bs-body-bg: #fffdfa;
  --bs-border-color: rgba(158, 43, 37, 0.12);
  --bs-link-color: var(--ym-jujube);
  --bs-link-hover-color: var(--ym-jujube-deep);
  --bs-font-sans-serif: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bs-font-serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC",
    "SimSun", Georgia, serif;
}

/* ---------- 基础排版 ---------- */
/* 容器横向兜底：Bootstrap g-* gutter 与 .container padding 不一致时会溢出 */
.container { overflow-x: clip; }
@supports not (overflow: clip) {
  .container { overflow-x: hidden; }
}
body {
  font-family: var(--bs-font-sans-serif);
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

h1, h2, h3, h4, .display-serif {
  font-family: var(--bs-font-serif);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.text-brand { color: var(--ym-jujube) !important; }
.text-gold { color: var(--ym-gold) !important; }
.text-soft { color: var(--ym-ink-soft) !important; }
.bg-cream { background-color: var(--ym-cream) !important; }
.bg-jujube {
  background: linear-gradient(135deg, var(--ym-jujube-deep) 0%, var(--ym-jujube) 100%) !important;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ym-jujube);
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--ym-gold);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  line-height: 1.3;
}
.section-sub {
  color: var(--ym-ink-soft);
  font-size: 1.02rem;
  max-width: 40rem;
}

/* ---------- 按钮（沿用 Bootstrap 组件，仅换品牌色） ---------- */
.btn {
  --bs-btn-border-radius: 999px;
  --bs-btn-padding-x: 1.75rem;
  --bs-btn-padding-y: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-brand {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--ym-jujube);
  --bs-btn-border-color: var(--ym-jujube);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--ym-jujube-deep);
  --bs-btn-hover-border-color: var(--ym-jujube-deep);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--ym-jujube-deep);
  --bs-btn-active-border-color: var(--ym-jujube-deep);
  --bs-btn-disabled-bg: var(--ym-jujube-soft);
  --bs-btn-disabled-border-color: var(--ym-jujube-soft);
  box-shadow: 0 10px 24px -12px rgba(158, 43, 37, 0.65);
}

.btn-gold {
  --bs-btn-color: #4a2f08;
  --bs-btn-bg: var(--ym-gold);
  --bs-btn-border-color: var(--ym-gold);
  --bs-btn-hover-color: #3d2606;
  --bs-btn-hover-bg: var(--ym-gold-soft);
  --bs-btn-hover-border-color: var(--ym-gold-soft);
  --bs-btn-active-color: #3d2606;
  --bs-btn-active-bg: var(--ym-gold-soft);
  --bs-btn-active-border-color: var(--ym-gold-soft);
}

.btn-outline-brand {
  --bs-btn-color: var(--ym-jujube);
  --bs-btn-bg: transparent;
  --bs-btn-border-color: rgba(158, 43, 37, 0.4);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--ym-jujube);
  --bs-btn-hover-border-color: var(--ym-jujube);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--ym-jujube-deep);
  --bs-btn-active-border-color: var(--ym-jujube-deep);
}

/* ---------- 导航 ---------- */
.navbar-ym {
  background: rgba(255, 253, 250, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(158, 43, 37, 0.08);
}
.navbar-ym .navbar-brand {
  font-family: var(--bs-font-serif);
  font-weight: 700;
  font-size: 1.28rem;
  color: var(--ym-jujube);
  letter-spacing: 0.08em;
}
.navbar-ym .nav-link {
  color: var(--ym-ink);
  font-weight: 500;
  position: relative;
  padding-inline: 0.9rem;
}
.navbar-ym .nav-link::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 6px;
  height: 2px;
  background: var(--ym-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.navbar-ym .nav-link:hover::after,
.navbar-ym .nav-link.active::after { transform: scaleX(1); }
.brand-mark { width: 38px; height: 38px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(4.5rem, 9vw, 7rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  background:
    radial-gradient(1100px 520px at 88% 8%, rgba(217, 164, 65, 0.16), transparent 60%),
    linear-gradient(180deg, var(--ym-cream) 0%, #fffdfa 72%);
  overflow: hidden;
}
.hero-title {
  font-size: clamp(2.4rem, 6.2vw, 4.2rem);
  line-height: 1.16;
}
.hero-title .accent {
  color: var(--ym-jujube);
  position: relative;
  display: inline-block;
  z-index: 0;
  white-space: nowrap;
}
.hero-title .accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.12em;
  height: 0.16em;
  background: linear-gradient(90deg, var(--ym-gold), rgba(217, 164, 65, 0.15));
  border-radius: 4px;
  z-index: -1;
}
.hero-photo {
  border-radius: 240px 240px 28px 28px;
  box-shadow: 0 40px 80px -40px rgba(104, 30, 24, 0.55);
  position: relative;
  overflow: hidden;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(104, 30, 24, 0) 55%, rgba(104, 30, 24, 0.28) 100%);
  pointer-events: none;
}
.hero-badge {
  position: absolute;
  right: 16px;
  bottom: 16px;
  background: #fffdfa;
  border-radius: 18px;
  padding: 0.9rem 1.15rem;
  box-shadow: 0 24px 50px -24px rgba(104, 30, 24, 0.55);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-badge .ic {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--ym-jujube), var(--ym-jujube-soft));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
}
.hero-badge b { display: block; font-size: 1.02rem; line-height: 1.2; }
.hero-badge span { font-size: 0.78rem; color: var(--ym-ink-soft); }

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  color: var(--ym-ink-soft);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
}
.scroll-hint i { display: block; animation: bob 1.8s ease-in-out infinite; }
@keyframes bob {
  0%, 100% { transform: translateY(0); opacity: 0.65; }
  50% { transform: translateY(6px); opacity: 1; }
}

/* ---------- 章节通用 ---------- */
.section { padding-block: clamp(3.8rem, 8vw, 6.5rem); }
.divider-jd {
  height: 2px;
  width: 64px;
  background: linear-gradient(90deg, var(--ym-gold), transparent);
  border-radius: 2px;
}

/* ---------- 品牌故事 ---------- */
.story-frame {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 34px 70px -40px rgba(104, 30, 24, 0.5);
}
.story-frame img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  object-position: center 18%;
  display: block;
}
.story-frame .seal {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: rgba(255, 253, 250, 0.94);
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--bs-font-serif);
  font-weight: 700;
  color: var(--ym-jujube);
  line-height: 1.25;
  font-size: 0.95rem;
  box-shadow: 0 14px 30px -14px rgba(0, 0, 0, 0.4);
}

.quote-mark {
  font-family: var(--bs-font-serif);
  font-size: 4.5rem;
  line-height: 0.6;
  color: rgba(158, 43, 37, 0.22);
}

/* ---------- 价值卡 ---------- */
.value-card {
  background: #fffdfa;
  border: 1px solid rgba(158, 43, 37, 0.1);
  border-radius: 20px;
  padding: 1.9rem 1.6rem;
  height: 100%;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -34px rgba(104, 30, 24, 0.5);
  border-color: rgba(158, 43, 37, 0.28);
}
.value-card .num {
  font-family: var(--bs-font-serif);
  font-size: 2.6rem;
  color: rgba(158, 43, 37, 0.16);
  line-height: 1;
}
.value-card .ic {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  color: #fff;
  background: linear-gradient(135deg, var(--ym-jujube), var(--ym-jujube-soft));
  margin-bottom: 1.1rem;
}
.value-card h3 { font-size: 1.22rem; margin-bottom: 0.5rem; }
.value-card p { color: var(--ym-ink-soft); font-size: 0.95rem; margin: 0; }

/* ---------- 工艺时间线 ---------- */
.step {
  position: relative;
  padding-left: 4.6rem;
  padding-bottom: 2.4rem;
}
.step:last-child { padding-bottom: 0; }
.step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 44px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, rgba(158, 43, 37, 0.35), rgba(158, 43, 37, 0.05));
}
.step:last-child::before { display: none; }
.step .dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fffdfa;
  border: 2px solid rgba(158, 43, 37, 0.28);
  color: var(--ym-jujube);
  display: grid;
  place-items: center;
  font-family: var(--bs-font-serif);
  font-weight: 700;
  font-size: 1.05rem;
}
.step h3 { font-size: 1.16rem; margin-bottom: 0.35rem; }
.step p { color: var(--ym-ink-soft); font-size: 0.95rem; margin: 0; }

/* ---------- 场景卡 ---------- */
.scene-card {
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 1.8rem;
  color: #fff;
  background-size: cover;
  background-position: center;
  box-shadow: 0 30px 60px -34px rgba(104, 30, 24, 0.55);
}
.scene-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(104, 30, 24, 0) 30%, rgba(78, 20, 15, 0.82) 100%);
}
.scene-card > * { position: relative; z-index: 1; }
.scene-card h3 { font-size: 1.5rem; margin-bottom: 0.35rem; }
.scene-card p { margin: 0; font-size: 0.95rem; opacity: 0.9; }
.scene-card .ic {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  margin-bottom: 0.9rem;
}

/* ---------- 图集 ---------- */
.gallery-item {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  display: block;
  box-shadow: 0 26px 56px -34px rgba(104, 30, 24, 0.5);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item .cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2.2rem 1.1rem 1rem;
  background: linear-gradient(180deg, rgba(104, 30, 24, 0), rgba(78, 20, 15, 0.86));
  color: #fff;
  font-size: 0.92rem;
}

/* ---------- 关于 ---------- */
.about-panel {
  background: linear-gradient(135deg, var(--ym-jujube-deep) 0%, #8c2721 100%);
  color: #fff;
  border-radius: 28px;
  padding: clamp(2rem, 4.5vw, 3.4rem);
  position: relative;
  overflow: hidden;
}
.about-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(217, 164, 65, 0.14);
}
.about-panel h2, .about-panel h3 { color: #fff; }
.about-panel .avatar {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.35);
  object-fit: cover;
}
.about-panel ul { list-style: none; padding: 0; margin: 0; }
.about-panel li {
  padding: 0.6rem 0 0.6rem 1.6rem;
  position: relative;
  color: rgba(255, 255, 255, 0.88);
}
.about-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ym-gold);
}
.apron-shot {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 34px 70px -40px rgba(0, 0, 0, 0.6);
}

/* ---------- 购买入口 ---------- */
.shop-card {
  border: 1px solid rgba(158, 43, 37, 0.12);
  border-radius: 20px;
  background: #fffdfa;
  padding: 1.7rem 1.3rem;
  text-align: center;
  height: 100%;
  transition: transform 0.26s ease, box-shadow 0.26s ease, border-color 0.26s ease;
}
.shop-card:hover {
  transform: translateY(-5px);
  border-color: rgba(158, 43, 37, 0.3);
  box-shadow: 0 28px 56px -32px rgba(104, 30, 24, 0.5);
}
.shop-card .ic {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  margin: 0 auto 0.9rem;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  color: #fff;
}
.shop-card h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.shop-card p { font-size: 0.88rem; color: var(--ym-ink-soft); margin: 0; }
.shop-card .tag {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--ym-gold);
  border: 1px dashed rgba(217, 164, 65, 0.55);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
}

/* ---------- 页脚 ---------- */
.footer-ym {
  background: #241a17;
  color: rgba(255, 255, 255, 0.68);
  padding-block: 3rem 1.6rem;
}
.footer-ym h5 { color: #fff; font-size: 1.02rem; }
.footer-ym a { color: rgba(255, 255, 255, 0.72); text-decoration: none; }
.footer-ym a:hover { color: var(--ym-gold-soft); }
.footer-ym .brand-word {
  font-family: var(--bs-font-serif);
  color: #fff;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}
.footer-ym .divider-line {
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  border: 0;
  opacity: 1;
}

/* ---------- 滚动进场 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.show { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 991.98px) {
  .hero-photo { border-radius: 200px 200px 24px 24px; }
  .hero-badge { right: 10px; bottom: 14px; padding: 0.7rem 0.9rem; }
  .navbar-ym .navbar-collapse {
    background: #fffdfa;
    border-radius: 18px;
    margin-top: 0.8rem;
    padding: 0.6rem 0.8rem 1rem;
    box-shadow: 0 24px 50px -30px rgba(104, 30, 24, 0.45);
  }
  .navbar-ym .nav-link::after { display: none; }
}
@media (max-width: 575.98px) {
  .hero-badge { display: none; }
  .step { padding-left: 3.6rem; }
  .step .dot { width: 36px; height: 36px; font-size: 0.95rem; }
  .step::before { left: 17px; top: 38px; }
  .scene-card { min-height: 260px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-hint i { animation: none; }
  .btn:hover { transform: none; }
}

/* ---------- 常见问题 FAQ ---------- */
.faq-item {
  background: #fffdfa;
  border: 1px solid rgba(158, 43, 37, 0.1);
  border-radius: 18px;
  padding: 1.5rem 1.6rem;
  height: 100%;
  transition: border-color 0.26s ease, box-shadow 0.26s ease;
}
.faq-item:hover {
  border-color: rgba(158, 43, 37, 0.26);
  box-shadow: 0 22px 48px -30px rgba(104, 30, 24, 0.42);
}
.faq-q {
  font-family: var(--bs-font-sans-serif);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--ym-ink);
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.6rem;
  line-height: 1.5;
}
.faq-q-mark {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--ym-jujube), var(--ym-jujube-soft));
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-top: 2px;
}
.faq-a {
  color: var(--ym-ink-soft);
  font-size: 0.95rem;
  line-height: 1.85;
  margin: 0;
}
.faq-a a { color: var(--ym-jujube); font-weight: 600; text-decoration: none; border-bottom: 1px solid rgba(158, 43, 37, 0.35); }
.faq-a a:hover { color: var(--ym-jujube-deep); }

/* ---------- 内页（FAQ / 产品）共用 ---------- */
.page-hero {
  padding-top: clamp(6.5rem, 12vw, 9rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  background:
    radial-gradient(900px 420px at 82% 0%, rgba(217, 164, 65, 0.16), transparent 62%),
    linear-gradient(180deg, var(--ym-cream) 0%, #fffdfa 100%);
}
.breadcrumb-ym {
  font-size: 0.86rem;
  color: var(--ym-ink-soft);
  margin-bottom: 1rem;
}
.breadcrumb-ym a { color: var(--ym-jujube); text-decoration: none; }
.breadcrumb-ym a:hover { text-decoration: underline; }
.breadcrumb-ym span { margin: 0 0.35rem; opacity: 0.5; }

.spec-table { font-size: 0.95rem; }
.spec-table th {
  background: var(--ym-cream);
  color: var(--ym-ink);
  font-weight: 600;
  white-space: nowrap;
  width: 34%;
}
.spec-table td { color: var(--ym-ink-soft); }

.prose-y h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); margin-top: 2.6rem; margin-bottom: 1rem; }
.prose-y h3 { font-size: 1.2rem; margin-top: 1.8rem; margin-bottom: 0.6rem; }
.prose-y p { color: var(--ym-ink-soft); line-height: 1.95; margin-bottom: 1rem; }
.prose-y ul { color: var(--ym-ink-soft); line-height: 1.95; padding-left: 1.2rem; margin-bottom: 1.2rem; }
.prose-y li { margin-bottom: 0.4rem; }
.prose-y strong { color: var(--ym-ink); }

/* picture 包裹 webp source，不改变原有 img 盒模型 */
picture { display: contents; }

/* ---------- 微信深链按钮 ---------- */
.btn-wechat {
  --bs-btn-color: #fff;
  --bs-btn-bg: #07c160;
  --bs-btn-border-color: #07c160;
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: #05974e;
  --bs-btn-hover-border-color: #05974e;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: #05974e;
  --bs-btn-active-border-color: #05974e;
  box-shadow: 0 10px 24px -12px rgba(7, 193, 96, 0.7);
}
.btn-outline-light { --bs-btn-color: rgba(255,255,255,.9); --bs-btn-border-color: rgba(255,255,255,.45); }
.btn-outline-light:hover { --bs-btn-bg: rgba(255,255,255,.12); --bs-btn-color: #fff; }