:root {
  --primary: #2f5d3a;
  --primary-dark: #214e2f;
  --primary-light: #dfeedd;
  --gold: #d9b978;
  --gold-soft: #f7f0df;
  --cream: #f7f4f0;
  --text: #1d2a1f;
  --muted: #667267;
  --line: rgba(47, 93, 58, 0.12);
  --shadow: 0 24px 60px rgba(24, 42, 28, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Han Sans SC", "思源黑体", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: #fffefb url("bg-branch.png") center / cover no-repeat;
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  overflow-y: auto;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.page-shell {
  min-height: 100vh;
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 60;
  background: transparent;
  border-bottom: 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.site-header .nav-wrap {
  width: 100%;
  max-width: none;
  padding-inline: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: auto;
  height: 58px;
  object-fit: contain;
  filter: drop-shadow(0 5px 12px rgba(0, 0, 0, 0.28));
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #5d8f67);
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 12px 26px rgba(47, 93, 58, 0.28);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 1.15rem;
  letter-spacing: 0.06em;
}

.brand-text small {
  font-size: 0.62rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.98rem;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.main-nav a {
  position: relative;
  transition: color 0.2s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--gold);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  background: transparent;
  border-radius: 12px;
  padding: 10px 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  margin: 5px 0;
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(17, 31, 20, 0.6), rgba(17, 31, 20, 0.2)),
    url("https://images.unsplash.com/photo-1464226184884-fa52ac9fcf6b?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 21, 17, 0.12), rgba(13, 21, 17, 0.38));
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 90px 0;
}

.eyebrow {
  margin: 0 0 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.76rem;
  color: var(--gold);
  font-weight: 600;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 5.2rem);
  line-height: 1.08;
  letter-spacing: 0.04em;
}

.subtext {
  max-width: 700px;
  margin: 18px auto 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), #ebd29a);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 16px 30px rgba(217, 185, 120, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* ========== 故事视频模块（双视频层，修复闪烁） ========== */
.story-section {
  position: relative;
  background: #0e1a12;
  overflow: hidden;
}

.story-stage {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.video-layer-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.video-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.08);
  opacity: 0;
  transition: none;
}

.video-layer.active-video {
  opacity: 1;
}

/* 静态工艺实景图（图文故事，替代视频） */
.story-static {
  position: absolute;
  inset: 0;
  display: block;
}

.story-static img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14, 22, 16, 0.72), rgba(14, 22, 16, 0.22), rgba(14, 22, 16, 0.46));
}

.story-copy {
  position: absolute;
  top: 28%;
  right: max(7vw, 72px);
  z-index: 2;
  max-width: 580px;
  width: auto;
  background: transparent;
  border-radius: 0;
  padding: 0;
  color: #f0f3f5;
  font-size: 17px;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.story-copy h2 {
  display: block;
  margin: 0 0 12px;
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  line-height: 1.15;
  color: #fff;
  letter-spacing: 0.03em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.story-copy p {
  margin: 0;
  color: #f0f3f5;
  font-size: 17px;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(12px);
  filter: blur(4px);
  transition: opacity 1s ease 0.15s, transform 1s ease 0.15s, filter 1s ease 0.15s;
}

.story-copy.is-active p {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  color: #f0f3f5;
}

.story-copy:not(.is-active) h2,
.story-copy:not(.is-active) p {
  transition: none;
}

.story-steps {
  position: absolute;
  left: max(24px, 7vw);
  top: 43%;
  transform: translateY(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.step-dot {
  position: relative;
  display: block;
  width: max-content;
  max-width: 240px;
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(216, 221, 223, 0.9);
  font-family: "Source Han Sans SC", "思源黑体", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 34px;
  letter-spacing: 0.08em;
  text-align: left;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: color 0.8s ease, transform 0.8s ease, opacity 0.8s ease;
}

.step-dot.active {
  color: #fff;
  font-weight: 500;
  transform: translateX(12px);
  transform-origin: left center;
  text-shadow: 0 7px 24px rgba(0, 0, 0, 0.62);
}

.step-dot.active::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 5px;
  height: 28px;
  border-radius: 2px;
  background: #e6b85c;
  box-shadow: 0 0 18px rgba(230, 184, 92, 0.45);
  transform: translateY(-50%);
}

@media (min-width: 681px) {
  .story-copy p {
    font-size: 20px;
    line-height: 32px;
  }

  .story-steps {
    gap: 20px;
  }

  .step-dot {
    font-size: 20px;
    line-height: 40px;
  }

  .step-dot.active {
    color: #fff;
    font-weight: 600;
    text-shadow: 0 4px 18px rgba(0, 0, 0, 0.9), 0 0 12px rgba(230, 184, 92, 0.35);
  }

  .step-dot.active::before {
    width: 5px;
    height: 34px;
    background: #e6b85c;
    box-shadow: 0 0 20px rgba(230, 184, 92, 0.65);
  }
}

/* 故事区底部"查看产品"入口（PC 显示在故事区下方） */
.story-next {
  position: absolute;
  left: 50%;
  bottom: 86px;
  transform: translateX(-50%);
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  padding: 12px 22px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  background: rgba(14, 22, 16, 0.35);
  backdrop-filter: blur(6px);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  opacity: 0.9;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.story-next:hover {
  opacity: 1;
  background: rgba(14, 22, 16, 0.55);
}

.story-next-arrow {
  font-size: 1rem;
  line-height: 1;
}

/* ========== 通用区块 ========== */
.section {
  padding: 110px 0;
}

.section-heading {
  margin-bottom: 48px;
}

.section-heading.center {
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.2;
}

.about {
  background: linear-gradient(180deg, #fff, #f7f5f0);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.about-text p {
  color: var(--muted);
  font-size: 1.02rem;
  margin: 0 0 18px;
}

.feature-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text);
  font-weight: 500;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--primary));
}

.about-card {
  background: linear-gradient(180deg, rgba(47, 93, 58, 0.06), rgba(217, 185, 120, 0.12));
  border: 1px solid rgba(47, 93, 58, 0.1);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 22px;
}

.stat-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.stat-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.stat-item strong {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary);
}

.stat-item span {
  color: var(--muted);
  font-weight: 500;
}

.products {
  background: transparent;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.product-card {
  background: #fff;
  border: 1px solid rgba(29, 42, 31, 0.06);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 18px 32px rgba(32, 46, 33, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 26px 42px rgba(32, 46, 33, 0.12);
}

.product-card.featured {
  transform: scale(1.01);
  border-color: rgba(217, 185, 120, 0.45);
}

.product-card.featured:hover {
  transform: scale(1.01) translateY(-8px);
  box-shadow: 0 26px 42px rgba(32, 46, 33, 0.12);
}


.product-image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 22px 0;
  background: #faf8f3;
}

.product-image img {
  width: 100%;
  max-width: 320px;
  height: auto;
  object-fit: contain;
}

.product-one {
  background:
    linear-gradient(135deg, rgba(17, 31, 20, 0.08), rgba(17, 31, 20, 0.2)),
    url("https://images.unsplash.com/photo-1615485290382-441e4d049cb5?auto=format&fit=crop&w=900&q=80") center/cover no-repeat;
}

.product-two {
  background:
    linear-gradient(135deg, rgba(17, 31, 20, 0.08), rgba(17, 31, 20, 0.2)),
    url("https://images.unsplash.com/photo-1502741338009-cac2772e18bc?auto=format&fit=crop&w=900&q=80") center/cover no-repeat;
}

.product-three {
  background:
    linear-gradient(135deg, rgba(17, 31, 20, 0.08), rgba(17, 31, 20, 0.2)),
    url("https://images.unsplash.com/photo-1471193945509-9ad0617afabf?auto=format&fit=crop&w=900&q=80") center/cover no-repeat;
}

.product-body {
  padding: 26px 22px 24px;
}

.tag {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--gold-soft);
  color: var(--primary-dark);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
}

.product-body h3 {
  margin: 20px 0 10px;
  font-size: 1.55rem;
}

.product-body p {
  margin: 0;
  color: var(--muted);
}

.section-sub {
  margin: 14px auto 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 1.02rem;
}

.product-desc {
  margin: 0 0 14px;
  font-size: 0.95rem;
  color: var(--muted);
}

.product-effect {
  padding-left: 18px;
  margin: 14px 0 0;
  color: var(--text);
}

.product-effect li {
  margin-bottom: 6px;
}

.product-body ul {
  padding-left: 18px;
  margin: 18px 0 20px;
  color: var(--text);
}

.mini-link {
  display: inline-block;
  color: var(--primary);
  font-weight: 700;
}

.process {
  background: linear-gradient(180deg, #f7f5f0, #fbfaf8);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.process-card {
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(47, 93, 58, 0.08);
  border-radius: 22px;
  padding: 26px 22px;
  min-height: 220px;
}

.process-card span {
  display: inline-block;
  font-size: 2rem;
  color: var(--gold);
  font-weight: 800;
  margin-bottom: 18px;
}

.process-card h3 {
  margin: 0 0 10px;
}

.process-card p {
  margin: 0;
  color: var(--muted);
}

.guide {
  background: #fff;
}

.flow-wrap {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.flow-step {
  position: relative;
  background: linear-gradient(180deg, #f9f6f2, #fff);
  border: 1px solid rgba(47, 93, 58, 0.08);
  border-radius: 20px;
  padding: 28px 18px 22px;
  box-shadow: 0 12px 22px rgba(31, 46, 36, 0.04);
}

.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -12px;
  width: 24px;
  height: 1px;
  background: rgba(47, 93, 58, 0.2);
}

.step-num {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #6f9d77);
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.flow-step h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.flow-step p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  background: #172519;
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.footer-brand {
  margin-bottom: 14px;
}

.site-footer p,
.site-footer li {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer h4 {
  color: #fff;
  margin: 0 0 18px;
  font-size: 1rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.floating-chat {
  position: fixed;
  right: 18px;
  bottom: 24px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  height: 52px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), #4d7b5a);
  color: #fff;
  box-shadow: 0 20px 32px rgba(47, 93, 58, 0.35);
  font-weight: 700;
}

/* ========== 响应式适配 ========== */
@media (max-width: 960px) {
  .about-grid,
  .product-grid,
  .process-grid,
  .flow-wrap,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .process-grid,
  .flow-wrap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 82px;
    display: none;
    flex-direction: column;
    gap: 18px;
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 18px 16px;
    text-align: right;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65);
  }

  .main-nav.open {
    display: flex;
  }

  .hero {
    min-height: 560px;
  }

  .story-stage {
    height: auto;
    min-height: 0;
    display: grid;
    grid-template-areas: "img" "steps";
    grid-template-rows: auto auto;
    align-content: start;
  }

  /* 移动端故事区高度随内容自适应，缩短图下深色区域 */
  .story-section {
    height: auto;
    min-height: 0;
    overflow: visible;
  }

  /* 移动端不加载视频，改用静态图 */
  .video-layer-wrap {
    display: none;
  }

  .story-static {
    display: block;
    position: relative;
    grid-area: img;
    width: 100%;
    height: 46dvh;
  }

  .story-overlay {
    display: none;
  }

  /* 标题/文案叠加在图片上（底部渐变保证可读） */
  .story-copy {
    grid-area: img;
    align-self: end;
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    width: auto;
    max-width: none;
    z-index: 2;
    padding: 46px 20px 16px;
    font-size: 15px;
    line-height: 1.6;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    background: linear-gradient(0deg, rgba(12, 26, 18, 0.72), rgba(12, 26, 18, 0));
    color: #fff;
    border-radius: 0;
  }

  .story-copy h2 {
    display: block;
    margin: 0 0 6px;
    color: #fff;
    font-size: 1.3rem;
    line-height: 1.3;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  }

  .story-copy p {
    font-size: 14.5px;
    line-height: 1.6;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  }

  .story-copy.is-active p {
    color: #fff;
  }

  /* 步骤条改为横排胶囊按钮，文档流 */
  .story-steps {
    grid-area: steps;
    position: static;
    left: auto;
    top: auto;
    transform: none;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 14px 16px 18px;
    width: 100%;
  }

  .step-dot {
    width: auto;
    max-width: none;
    padding: 0 16px;
    border-radius: 999px;
    background: rgba(47, 93, 58, 0.08);
    color: var(--muted);
    font-size: 13px;
    line-height: 32px;
    letter-spacing: 0.04em;
    text-align: center;
  }

  .step-dot.active {
    color: #fff;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary), #4d7b5a);
    transform: none;
  }

  .step-dot.active::before {
    display: none;
  }

  /* 移动端隐藏"查看产品"入口，下方直接是产品区 */
  .story-next {
    display: none;
  }

  .about-grid,
  .process-grid,
  .flow-wrap,
  .footer-grid,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 80px 0;
  }

  .flow-step:not(:last-child)::after {
    display: none;
  }

  .floating-chat {
    right: 12px;
    bottom: 14px;
  }
}

/* ========== 山茶油功效与营养 ========== */
.benefits {
  background: transparent;
}

.benefit-overview {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 56px;
}

.overview-card {
  position: relative;
  background: #fff;
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(47, 93, 58, 0.08);
  border-radius: 18px;
  padding: 24px 18px;
  text-align: center;
  box-shadow: 0 10px 20px rgba(31, 46, 36, 0.05);
  overflow: hidden;
}

.overview-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.62);
  pointer-events: none;
}

.overview-card > * {
  position: relative;
  z-index: 1;
}

.overview-card:nth-child(1) { background-image: url("overview-bg-1.png"); }
.overview-card:nth-child(2) { background-image: url("overview-bg-2.png"); }
.overview-card:nth-child(3) { background-image: url("overview-bg-3.png"); }
.overview-card:nth-child(4) { background-image: url("overview-bg-4.png"); }
.overview-card:nth-child(5) { background-image: url("overview-bg-5.png"); }

.overview-card h4 {
  margin: 0 0 8px;
  font-size: 0.9rem;
  color: var(--primary);
  letter-spacing: 0.06em;
}

.overview-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.55;
}

.benefit-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: center;
  margin: 0 0 44px;
}

.benefit-grid-reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

.benefit-text h3 {
  margin: 0 0 18px;
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.benefit-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.benefit-points li {
  position: relative;
  padding-left: 22px;
  color: #444;
  font-size: 0.98rem;
  line-height: 1.7;
}

.benefit-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--primary));
}

.benefit-points strong {
  color: var(--text);
}

/* 配图占位：用户后续补图 */
.benefit-media.placeholder,
.usage-media.placeholder {
  display: grid;
  place-items: center;
  min-height: 300px;
  border: 2px dashed rgba(47, 93, 58, 0.3);
  border-radius: 22px;
  background: rgba(247, 244, 240, 0.6);
  text-align: center;
  color: var(--muted);
}

.placeholder-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gold-soft);
  color: var(--primary);
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0 auto 12px;
}

.benefit-media p,
.usage-media p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.benefit-media small,
.usage-media small {
  font-size: 0.8rem;
  color: rgba(102, 114, 103, 0.85);
}

.nutrition-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 10px 0 56px;
}

.stat-box {
  background: linear-gradient(160deg, var(--primary), #4d7b5a);
  color: #fff;
  border-radius: 20px;
  padding: 28px 18px;
  text-align: center;
}

.stat-box strong {
  display: block;
  font-size: 2.2rem;
  line-height: 1.1;
  margin-bottom: 10px;
  color: var(--gold);
}

.stat-box span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.usage-wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 44px;
  align-items: center;
  margin: 0 0 44px;
}

.usage-list h3 {
  margin: 0 0 18px;
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.usage-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.usage-list li {
  position: relative;
  padding-left: 24px;
  color: #444;
  font-size: 0.98rem;
  line-height: 1.7;
}

.usage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--primary));
}

.usage-list strong {
  color: var(--primary-dark);
}

.storage-note {
  background: #fff;
  border: 1px solid rgba(47, 93, 58, 0.1);
  border-left: 4px solid var(--gold);
  border-radius: 18px;
  padding: 26px 28px;
  box-shadow: 0 10px 20px rgba(31, 46, 36, 0.05);
}

.storage-note h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  color: var(--primary-dark);
}

.storage-note p {
  margin: 0;
  color: #555;
  line-height: 1.8;
  font-size: 0.98rem;
}

.storage-note strong {
  color: var(--primary-dark);
}

@media (max-width: 960px) {
  .benefit-overview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .benefit-grid,
  .benefit-grid-reverse,
  .usage-wrap {
    grid-template-columns: 1fr;
  }

  .nutrition-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .benefit-overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .nutrition-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .stat-box {
    padding: 20px 12px;
  }

  .stat-box strong {
    font-size: 1.7rem;
  }

  .benefit-media.placeholder,
  .usage-media.placeholder {
    min-height: 220px;
  }
}


/* ========== 配图实图 ========== */
.benefit-img {
  margin: 0;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 14px 28px rgba(31, 46, 36, 0.12);
}

.benefit-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.scene-card {
  margin: 0;
  background: #fff;
  border: 1px solid rgba(47, 93, 58, 0.08);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 18px rgba(31, 46, 36, 0.07);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 26px rgba(31, 46, 36, 0.12);
}

.scene-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.scene-card figcaption {
  padding: 12px 14px 14px;
}

.scene-card figcaption strong {
  display: block;
  font-size: 1.02rem;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.scene-card figcaption span {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 960px) {
  .benefit-img {
    min-height: 0;
  }
}



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


/* ========== 布局平衡（PC 两栏等宽 + 文字卡） ========== */
@media (min-width: 961px) {
  .benefit-grid-reverse,
  .usage-wrap {
    grid-template-columns: 1fr 1fr;
  }
}

.scene-card figcaption {
  padding: 10px 12px 12px;
  text-align: center;
}

.scene-card figcaption strong {
  display: block;
  font-size: 1rem;
  color: var(--primary-dark);
}

.text-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.text-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: #fff;
  border: 1px solid rgba(47, 93, 58, 0.08);
  border-radius: 16px;
  padding: 18px 16px;
  min-height: 118px;
  box-shadow: 0 8px 18px rgba(31, 46, 36, 0.07);
}

.text-card strong {
  font-size: 1.05rem;
  color: var(--primary-dark);
}

.text-card p {
  margin: 0;
  font-size: 0.88rem;
  color: #555;
  line-height: 1.6;
}

@media (max-width: 680px) {
  .text-grid {
    grid-template-columns: 1fr;
  }
  .text-card {
    min-height: 0;
  }
}

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


/* 左右等高对齐：文字卡与图片卡逐行拉伸 */
@media (min-width: 961px) {
  .benefit-grid-reverse,
  .usage-wrap {
    align-items: stretch;
  }

  .benefit-grid-reverse .benefit-text,
  .usage-wrap .usage-list {
    display: flex;
    flex-direction: column;
  }

  .benefit-grid-reverse .text-grid,
  .usage-wrap .text-grid {
    flex: 1;
    grid-auto-rows: 1fr;
  }

  .text-card {
    min-height: 0;
  }
}


/* ========== 场景图：标题叠加左上角 + 去方框 ========== */
.scene-card {
  position: relative;
  margin: 0;
  border: none;
  background: transparent;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 18px rgba(31, 46, 36, 0.08);
}

.scene-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.scene-card figcaption {
  position: absolute;
  left: 0;
  top: 0;
  padding: 9px 16px;
  text-align: left;
  background: linear-gradient(135deg, rgba(31, 46, 36, 0.78), rgba(31, 46, 36, 0.18));
  border-bottom-right-radius: 16px;
}

.scene-card figcaption strong {
  display: block;
  font-size: 1rem;
  color: #fff;
  letter-spacing: 0.02em;
}

@media (min-width: 681px) {
  .scene-card figcaption p {
    display: none;
  }
}

/* 右侧列表：行距调大、与左侧等高拉伸 */
@media (min-width: 961px) {
  .benefit-grid-reverse .benefit-text,
  .usage-wrap .usage-list {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .benefit-grid-reverse .benefit-points,
  .usage-wrap .usage-list ul {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    margin: 0;
  }
}

.benefit-grid-reverse .benefit-points,
.usage-wrap .usage-list ul {
  gap: 24px;
}

.benefit-grid-reverse .benefit-points li,
.usage-wrap .usage-list li {
  line-height: 1.95;
  font-size: 1.02rem;
}

.usage-list ul {
  list-style: none;
  padding: 0;
}


/* 视频播完前 2 秒：文案渐渐淡出（PC） */
.story-copy.is-fading p {
  opacity: 0;
  transform: translateY(12px);
  filter: blur(4px);
  transition: opacity 2s ease, transform 2s ease, filter 2s ease;
}

@media (max-width: 680px) {
  .scene-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .scene-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.86);
    border-radius: 14px;
    box-shadow: 0 6px 14px rgba(31, 46, 36, 0.06);
  }

  .scene-card img {
    width: 118px;
    height: 88px;
    flex: none;
    aspect-ratio: auto;
    border-radius: 14px 0 0 14px;
  }

  .scene-card figcaption {
    position: static;
    flex: 1;
    padding: 10px 14px 10px 0;
    background: none;
    text-align: left;
  }

  .scene-card figcaption strong {
    color: var(--primary-dark);
    font-size: 0.98rem;
    margin-bottom: 4px;
  }

  .scene-card figcaption p {
    display: block;
    margin: 0;
    font-size: 0.86rem;
    color: #555;
    line-height: 1.55;
  }
}

@media (max-width: 680px) {
  .benefit-grid-reverse .benefit-text,
  .usage-wrap .usage-list {
    display: none;
  }
}

/* ========== 工艺流程总览 ========== */
.process {
  background: transparent;
}

.process-figure {
  margin: 0 auto;
  max-width: 860px;
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 18px 34px rgba(31, 46, 36, 0.1);
  border: 1px solid rgba(47, 93, 58, 0.08);
}

.process-figure img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========== 横向滚动工艺故事 ========== */
.story-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.story-track::-webkit-scrollbar {
  display: none;
}

.story-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  position: relative;
  height: 760px;
  margin: 0;
}

.story-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.story-slide figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 56px 7vw 64px;
  background: linear-gradient(180deg, rgba(14, 22, 16, 0), rgba(14, 22, 16, 0.78));
  color: #fff;
  text-align: left;
}

.story-slide figcaption h2 {
  margin: 0 0 10px;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1.15;
  color: #fff;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.story-slide figcaption p {
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.94);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
  max-width: 640px;
}

.story-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(14, 22, 16, 0.35);
  color: #fff;
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  transition: background 0.25s ease, opacity 0.25s ease;
}

.story-arrow:hover {
  background: rgba(14, 22, 16, 0.6);
}

.story-arrow-prev {
  left: 22px;
}

.story-arrow-next {
  right: 22px;
}

@media (max-width: 680px) {
  .story-slide {
    height: 500px;
  }

  .story-slide figcaption {
    padding: 40px 22px 58px;
  }

  .story-arrow {
    width: 36px;
    height: 36px;
    font-size: 1.3rem;
    background: rgba(14, 22, 16, 0.28);
    border-color: rgba(255, 255, 255, 0.3);
  }

  .story-arrow-prev {
    left: 12px;
  }

  .story-arrow-next {
    right: 12px;
  }
}

.story-dots {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 10px;
}

.story-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease, width 0.3s ease;
}

.story-dot.active {
  width: 26px;
  border-radius: 999px;
  background: #e6b85c;
}

@media (max-width: 680px) {
  .story-dots {
    bottom: 20px;
    gap: 8px;
  }

  .story-dot {
    width: 8px;
    height: 8px;
  }

  .story-dot.active {
    width: 22px;
  }
}

/* ========== 顶部锚点导航 ========== */
.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.55);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.site-nav a:hover {
  color: #b98a2e;
}

/* ========== 品牌故事 ========== */
.brand-story {
  background: transparent;
  padding: 84px 0;
}

.story-content {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
}

.story-figure {
  margin: 0;
}

.story-figure img {
  width: 100%;
  border-radius: 18px;
  display: block;
  box-shadow: 0 18px 44px rgba(43, 58, 48, 0.14);
}

.story-text p {
  font-size: 15.5px;
  line-height: 1.9;
  color: #40504a;
  margin: 0 0 16px;
}

.story-text strong {
  color: #2b3a30;
}

/* ========== 产品卡参数与按钮 ========== */
.product-spec {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 14px;
  border-top: 1px dashed rgba(43, 58, 48, 0.18);
  border-bottom: 1px dashed rgba(43, 58, 48, 0.18);
  font-size: 13px;
  color: #5a6b5f;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.product-spec li {
  margin: 0;
}

.product-cta {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 22px;
  background: linear-gradient(135deg, #2d6a4f, #40916c);
  color: #fff;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 6px 18px rgba(45, 106, 79, 0.28);
}

.product-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(45, 106, 79, 0.36);
}

/* ========== 规格速览表 ========== */
.spec-table {
  max-width: 860px;
  margin: 34px auto 0;
}

.spec-table table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.86);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 26px rgba(43, 58, 48, 0.08);
}

.spec-table th,
.spec-table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid rgba(43, 58, 48, 0.08);
}

.spec-table th {
  background: rgba(45, 106, 79, 0.08);
  color: #2b3a30;
  font-weight: 700;
}

.spec-table td {
  color: #40504a;
}

/* ========== 产品参数说明 ========== */
.params-note {
  max-width: 860px;
  margin: 22px auto 0;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(43, 58, 48, 0.1);
  border-radius: 14px;
}

.params-note h4 {
  margin: 0 0 10px;
  font-size: 15px;
  color: #2b3a30;
}

.params-note ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 13.5px;
  color: #40504a;
}

.params-note strong {
  color: #2d6a4f;
}

/* ========== 资质与品质保障 ========== */
.trust {
  background: transparent;
  padding: 40px 0 84px;
}

.trust-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  max-width: 1080px;
  margin: 0 auto;
}

.trust-card {
  flex: 0 1 360px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(43, 58, 48, 0.1);
  border-radius: 16px;
  padding: 26px 24px;
}

.trust-card h4 {
  margin: 0 0 10px;
  font-size: 16px;
  color: #2b3a30;
}

.trust-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #40504a;
}

.report-placeholder {
  max-width: 1080px;
  margin: 26px auto 0;
  padding: 26px 24px;
  border: 2px dashed rgba(45, 106, 79, 0.35);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.5);
  text-align: center;
}

.report-tag {
  display: inline-block;
  padding: 5px 14px;
  background: #2d6a4f;
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
}

.report-placeholder p {
  margin: 0;
  font-size: 13.5px;
  color: #5a6b5f;
  line-height: 1.8;
}

/* ========== 免责小字 ========== */
.disclaimer {
  max-width: 1080px;
  margin: 14px auto 0;
  text-align: center;
  font-size: 12.5px;
  color: rgba(64, 80, 74, 0.65);
}

/* ========== 四步鉴别 ========== */
.guide {
  background: transparent;
  padding: 20px 0 84px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}

.guide-card {
  background: linear-gradient(160deg, rgba(45, 106, 79, 0.12), rgba(45, 106, 79, 0.05));
  border: 1px solid rgba(45, 106, 79, 0.18);
  border-radius: 16px;
  padding: 24px 22px;
  position: relative;
}

.guide-no {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  color: #b98a2e;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.guide-card h4 {
  margin: 0 0 10px;
  font-size: 16px;
  color: #2b3a30;
}

.guide-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #40504a;
}

/* ========== FAQ ========== */
.faq {
  background: transparent;
  padding: 20px 0 84px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(43, 58, 48, 0.1);
  border-radius: 12px;
  padding: 16px 20px;
}

.faq-item summary {
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: #2b3a30;
  list-style: none;
}

.faq-item summary::after {
  content: '+';
  float: right;
  font-size: 20px;
  color: #b98a2e;
  font-weight: 400;
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #40504a;
}

/* ========== 页脚补充 ========== */
.footer-note {
  margin: 10px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}

/* ========== 移动端适配 ========== */
@media (max-width: 820px) {
  body {
    background: #fffefb url("bg-branch.png") left center / cover no-repeat;
    background-attachment: fixed;
  }

  .site-nav {
    display: none;
  }

  .brand-story {
    padding: 56px 0;
  }

  .story-content {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .spec-table th,
  .spec-table td {
    padding: 10px 10px;
    font-size: 12.5px;
  }

  .trust-grid {
    flex-direction: column;
    align-items: center;
  }

  .trust-grid .trust-card {
    width: 100%;
  }

  .guide-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .params-note ul {
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 480px) {
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .product-cta {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }
}

/* ========== 成分与营养对比 ========== */
.composition {
  background: transparent;
  padding: 20px 0 84px;
}

.comp-chart-wrap {
  max-width: 920px;
  margin: 0 auto 40px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(43, 58, 48, 0.1);
  border-radius: 18px;
  padding: 24px 22px 18px;
}

.comp-chart-title {
  margin: 0 0 6px;
  font-size: 16px;
  color: #2b3a30;
  text-align: center;
}

.comp-chart {
  width: 100%;
  height: 360px;
}

.comp-chart-note {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(64, 80, 74, 0.75);
  text-align: center;
}

.comp-fallback {
  display: none;
  max-width: 640px;
  margin: 18px auto 0;
  padding: 8px 18px 18px;
}

.fb-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.fb-name {
  flex: 0 0 64px;
  font-size: 13px;
  font-weight: 600;
  color: #2b3a30;
  text-align: right;
}

.fb-bar {
  flex: 1;
  height: 18px;
  background: rgba(43, 58, 48, 0.08);
  border-radius: 9px;
  overflow: hidden;
}

.fb-bar i {
  display: block;
  height: 100%;
  border-radius: 9px;
  background: linear-gradient(90deg, #2d6a4f, #e6b85c);
}

.fb-val {
  flex: 0 0 58px;
  font-size: 13px;
  font-weight: 600;
  color: #2b3a30;
}

/* 成分卡网格 */
.comp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1080px;
  margin: 0 auto;
}

.comp-card {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(43, 58, 48, 0.1);
  border-left: 4px solid #b98a2e;
  border-radius: 14px;
  padding: 20px 20px 16px;
  display: flex;
  flex-direction: column;
}

.comp-top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.comp-cat {
  font-size: 11px;
  color: #b98a2e;
  background: rgba(185, 138, 46, 0.12);
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.comp-top strong {
  font-size: 17px;
  color: #2b3a30;
}

.comp-top em {
  font-style: normal;
  font-size: 13px;
  font-weight: 600;
  color: #2d6a4f;
  margin-left: auto;
}

.comp-card p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.8;
  color: #40504a;
  flex: 1;
}

.comp-target {
  font-size: 12px;
  color: #2d6a4f;
  font-weight: 600;
}

/* 对比小结 */
.comp-summary {
  max-width: 920px;
  margin: 34px auto 0;
  padding: 20px 24px;
  background: linear-gradient(160deg, rgba(45, 106, 79, 0.12), rgba(45, 106, 79, 0.05));
  border: 1px solid rgba(45, 106, 79, 0.18);
  border-radius: 16px;
}

.comp-summary h4 {
  margin: 0 0 12px;
  font-size: 16px;
  color: #2b3a30;
}

.comp-summary ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 26px;
  font-size: 14px;
  line-height: 1.8;
  color: #40504a;
}

.comp-summary li {
  position: relative;
  padding-left: 18px;
}

.comp-summary li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #b98a2e;
}

/* 移动端适配 */
@media (max-width: 820px) {
  .comp-grid {
    grid-template-columns: 1fr;
  }

  .comp-chart {
    height: 300px;
  }
}

@media (max-width: 480px) {
  .comp-summary ul {
    grid-template-columns: 1fr;
  }
}

/* ========== 品质保障：仅卡片深绿底白字 ========== */
#trust .trust-card {
  background: linear-gradient(160deg, #2d6a4f, #1f513b);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.14);
}

#trust .trust-card h4 {
  color: #ffffff;
  font-weight: 800;
  font-size: 17px;
}

#trust .trust-card p {
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.85;
}

#trust .trust-card p + p {
  margin-top: 6px;
}

#trust .trust-card strong {
  color: #e6b85c;
  font-weight: 800;
}


/* 老山坊休闲（象棋）导航入口：与其它导航项一致的纯文字样式 */
.site-nav .nav-xiangqi {
  margin-left: 6px;
}

.site-nav .nav-xiangqi:hover {
  color: #b98a2e;
}

/* 移动端"老山坊休闲"入口（PC 隐藏，移动端显示在 header 右侧） */
.mobile-xiangqi {
  display: none;
}

@media (max-width: 820px) {
  .mobile-xiangqi {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.55);
    margin-left: 10px;
    white-space: nowrap;
    transition: color 0.2s;
  }

  .mobile-xiangqi:hover,
  .mobile-xiangqi:active {
    color: #b98a2e;
  }
}

/* 移动端承诺卡紧凑样式（放文件末尾，确保覆盖基础样式） */
@media (max-width: 820px) {
  #trust .trust-card {
    flex: 0 1 auto;
    padding: 15px 18px;
  }

  #trust .trust-card h4 {
    font-size: 16px;
    margin-bottom: 6px;
  }

  #trust .trust-card p {
    font-size: 14.5px;
    line-height: 1.6;
  }

  #trust .trust-card p + p {
    margin-top: 2px;
  }
}