html,
body {
    background-color: #fff !important;
}

.nutrition_content {
    min-width: 1126px;
    max-width: 1920px;
    text-align: center;
    overflow: hidden;
    margin: 0 auto;
}

.pos {
    position: relative;
}

.nutrition_content .content_img {
    display: inline-block;
    width: 1920px;
    margin: 0 -100%;
    max-width: none;
}

.apply_content {
    width: 1066px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0px 3px 21px 0px rgba(127, 127, 127, 0.5);
    padding: 25px 30px;
    display: flex;
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50px;
    transform: translate(-50%, 368px);
    z-index: 2;
}

.apply_content div {
    margin-right: 50px;
}

.apply_content div:nth-last-child(1) {
    margin-right: 0;
}

.apply_right {
    margin-left: 10px;
}

.apply_content div>h2 {
    font-size: 21px;
    color: #333;
    font-weight: bold;
}

.apply_content div>p {
    font-size: 14px;
    color: #333;
    margin-top: 20px;
}

.online_btn img {
    margin-top: 9px;
}

.at_once {
    width: 170px;
    height: 60px;
    background: #F63236;
    border-radius: 30px;
    font-size: 24px;
    color: #fff !important;
    font-weight: bold;
    display: block;
    line-height: 60px;
    margin-top: 3px;
}

.line {
    position: relative;
}

.line::before {
    width: 1px;
    height: 28px;
    background: #E3E3E3;
    position: absolute;
    right: -26px;
    top: 15px;
    content: '';
}

.nutrition_mask {
    width: 1066px;
    padding: 25px 30px;
    background: #fff;
    box-shadow: 0px -3px 21px 0px rgba(127, 127, 127, 0.33);
    border-radius: 10px 10px 0px 0px;
    position: fixed;
    left: 50%;
    bottom: 0;
    transform: translate(-50%, 0);
    display: flex;
    justify-content: space-between;
    -webkit-overflow-scrolling: touch;
}

.nutrition_mask_left h2 {
    font-size: 20px;
    color: #212224;
    font-weight: bold;
    margin-bottom: 15px;
}

.nutrition_mask_right {
    display: flex;
}

.nutrition_mask .industry {
    display: flex;
}

.nutrition_mask .industry a {
    display: flex;
    align-items: center;
    margin-right: 20px;
    font-size: 16px;
}

.nutrition_mask .industry a>i {
    font-size: 16px;
    color: #4557FF;
    margin-right: 10px;
}

.fontIcon {
    font-size: 20px !important;
}

.nutrition_mask_apply {
    margin-right: 66px;
}

.nutrition_mask_apply h2 {
    font-size: 21px;
    color: #F63236;
    font-weight: bold;
    text-align: center;
}

.mask_btn a {
    display: block;
    width: 179px;
    height: 61px;
    line-height: 61px;
    font-size: 24px;
    color: #fff !important;
    text-align: center;
    background: #F63236;
    border-radius: 30px;
}

/* 楼层 */
.floor {
    width: 126px;
    height: 321px;
    position: absolute;
    right: 185px;
    top: 550px;
    z-index: 999;
    text-align: center;
    overflow: hidden;
    box-shadow: -3px 3px 13px 0px rgba(127, 127, 127, 0.3);
    border-radius: 10px 10px 16px 16px;
    background: #fff;
    font-size: 0;
}

.floor .download {
    font-size: 30px;
    color: #fff;
    display: block;
    margin-top: 27px;
}

.download_text {
    font-size: 18px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

.floor_box {
    margin-top: 15px;
    position: relative;
}

.floor_box ul {
    margin: 0 auto;
    width: 100px;
    background: #fff;
}

.floor_box ul li {
    font-size: 15px;
    color: #999;
    padding: 19px 0;
    box-sizing: border-box;
    position: relative;
}

.floor_box ul li a {
    font-size: 15px;
    color: #818992;
}

.floor_box ul li.active a {
    color: #2E69E4;
    font-weight: 700;
}

.floor_box ul li a:hover {
    color: #2E69E4;
    font-weight: 700;
}

.floor_box ul li::before {
    position: absolute;
    left: 0px;
    bottom: 0px;
    width: 100px;
    height: 1px;
    background: #ECECEC;
    content: '';
}

.floor_bottom h2 {
    font-size: 14px;
    color: #F63236;
    font-weight: bold;
    margin-top: 20px;
}

.floor_bottom img {
    margin-top: 10px;
    cursor: pointer;
}

.floor_bottom .go_top {
    width: 24px;
    height: 24px;
    background: #2E69E4;
    border-radius: 50%;
    margin: 15px auto 0;
    cursor: pointer;
}

.floor_bottom i {
    font-size: 13px;
    font-weight: bold;
    color: #fff;
    line-height: 24px;
}

/* ===== 食品营养小课堂落地页 — 高级重新设计 ===== */

/* --- 公用 --- */
.fn-section-inner {
  width: 1126px;
  margin: 0 auto;
  padding: 100px 0;
}
.fn-section-header {
  text-align: center;
  margin-bottom: 60px;
}
.fn-section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 4px;
  color: #4caf50;
  margin-bottom: 12px;
  text-transform: uppercase;
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
}
.fn-section-header h2 {
  font-family: "Noto Serif SC", "Newsreader", Georgia, serif;
  font-size: 36px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 14px;
  letter-spacing: 1px;
  text-wrap: balance;
}
.fn-section-header p {
  font-size: 16px;
  color: #8895a7;
  margin: 0;
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
}

/* --- Hero --- */
.fn-hero {
  position: relative;
  height: 640px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fn-hero-bg {
  position: absolute;
  inset: 0;
}
.fn-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.05);
  animation: fn-hero-zoom 20s ease-in-out infinite alternate;
}
@keyframes fn-hero-zoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}
.fn-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(27,94,32,0.2) 0%, rgba(27,94,32,0.6) 50%, rgba(27,94,32,0.85) 100%),
    linear-gradient(135deg, rgba(27,94,32,0.3) 0%, transparent 60%);
}
.fn-hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
  animation: fn-hero-fade 1s ease-out;
}
@keyframes fn-hero-fade {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fn-hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 100px;
  padding: 8px 28px;
  font-size: 13px;
  color: #fff;
  margin-bottom: 32px;
  letter-spacing: 3px;
  font-weight: 500;
}
.fn-hero-inner h1 {
  font-family: "Noto Serif SC", "Newsreader", Georgia, serif;
  font-size: 58px;
  font-weight: 900;
  color: #fff;
  margin: 0 0 18px;
  line-height: 1.15;
  letter-spacing: 2px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.2);
}
.fn-hero-desc {
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin: 0 auto 42px;
  max-width: 600px;
  letter-spacing: 1px;
  font-weight: 300;
}
.fn-hero-actions {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}
.fn-hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 42px;
  border-radius: 100px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.3s var(--gc-ease-out), box-shadow 0.3s;
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
}
.fn-hero-btn:hover {
  transform: translateY(-3px);
}
.fn-hero-btn-primary {
  background: #fff;
  color: #1b5e20 !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.fn-hero-btn-primary:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,0.22);
  color: #0d3b0f !important;
}
.fn-hero-btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.45);
  color: rgba(255,255,255,0.9) !important;
}
.fn-hero-btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  color: #fff !important;
}
.fn-hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  letter-spacing: 2px;
  animation: fn-scroll-bounce 2s ease-in-out infinite;
}
@keyframes fn-scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- 数据概览 --- */
.fn-stats {
  background: #1b5e20;
  position: relative;
  margin-top: -1px;
  overflow: hidden;
}
.fn-stats-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}
.fn-stats .fn-section-inner {
  padding: 52px 0;
  position: relative;
}
.fn-stats-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
}
.fn-stat-item {
  text-align: center;
  padding: 0 60px;
}
.fn-stat-num {
  display: inline;
  font-family: "Noto Serif SC", "Newsreader", Georgia, serif;
  font-size: 48px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
  line-height: 1;
}
.fn-stat-plus {
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-left: 2px;
}
.fn-stat-label {
  display: block;
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  font-weight: 400;
  margin-top: 8px;
  letter-spacing: 1px;
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
}
.fn-stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

/* --- 课程简介 --- */
.fn-intro {
  background: #f8faf6;
}
.fn-intro .fn-section-inner {
  padding: 110px 0;
}
.fn-intro-layout {
  display: flex;
  gap: 80px;
  align-items: center;
}
.fn-intro-image {
  flex: 0 0 480px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(27,94,32,0.1);
  position: relative;
}
.fn-intro-image img {
  width: 100%;
  height: auto;
  display: block;
}
.fn-intro-image-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 14px 20px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.fn-intro-image-badge span {
  display: block;
  font-family: "Noto Serif SC", "Newsreader", Georgia, serif;
  font-size: 28px;
  font-weight: 900;
  color: #2e7d32;
  line-height: 1;
}
.fn-intro-image-badge small {
  display: block;
  font-size: 12px;
  color: #666;
  margin-top: 4px;
  letter-spacing: 1px;
}
.fn-intro-text {
  flex: 1;
}
.fn-intro-text h2 {
  font-family: "Noto Serif SC", "Newsreader", Georgia, serif;
  font-size: 32px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 24px;
  letter-spacing: 1px;
}
.fn-intro-text p {
  font-size: 15px;
  line-height: 2;
  color: #4a5568;
  margin: 0 0 20px;
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
}
.fn-intro-text strong {
  color: #2e7d32;
  font-weight: 700;
}
.fn-intro-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 15px;
  font-weight: 600;
  color: #2e7d32 !important;
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s, gap 0.25s;
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
}
.fn-intro-btn:hover {
  border-color: #2e7d32;
  gap: 12px;
}

/* --- 学习收益 --- */
.fn-benefits {
  background: #fff;
  position: relative;
}
.fn-benefits-grid {
  display: flex;
  gap: 28px;
  justify-content: center;
}
.fn-benefit-card {
  flex: 1;
  max-width: 262px;
  background: #fff;
  border-radius: 18px;
  padding: 44px 28px 38px;
  text-align: center;
  border: 1px solid #eef3ea;
  transition: transform 0.35s var(--gc-ease-out), box-shadow 0.35s;
  position: relative;
  overflow: hidden;
}
.fn-benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #4caf50, #81c784);
  border-radius: 0 0 3px 3px;
  opacity: 0;
  transition: opacity 0.3s, width 0.3s;
}
.fn-benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(27,94,32,0.08);
  border-color: #c8e6c9;
}
.fn-benefit-card:hover::before {
  opacity: 1;
  width: 100%;
}
.fn-benefit-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(145deg, #e8f5e9, #f1f8e9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2e7d32;
  transition: background 0.3s, transform 0.3s;
}
.fn-benefit-card:hover .fn-benefit-icon {
  background: linear-gradient(145deg, #c8e6c9, #dcedc8);
  transform: scale(1.08);
}
.fn-benefit-card h3 {
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 12px;
}
.fn-benefit-card p {
  font-size: 14px;
  color: #718096;
  margin: 0;
  line-height: 1.8;
  font-family: "Noto Sans SC", "Switzer", system-ui, sans-serif;
}

/* --- 适配人群 --- */
.fn-audience {
  background: #f8faf6;
}
.fn-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
}
.fn-tag {
  display: inline-block;
  padding: 11px 32px;
  background: #fff;
  border: 1px solid #dcedc8;
  border-radius: 100px;
  font-size: 14px;
  color: #2e7d32;
  font-weight: 500;
  cursor: default;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.fn-tag:hover {
  background: #2e7d32;
  color: #fff;
  border-color: #2e7d32;
}

/* --- 课程列表 --- */
.gc-courses {
  background: #f5f6f4;
  position: relative;
}

.gc-empty {
  text-align: center;
  padding: 80px 0;
  color: #999;
  font-size: 15px;
}
.gc-empty svg {
  opacity: 0.25;
  margin-bottom: 16px;
}

/* ===== Course Cards · "Crisp Modern" ===== */

.gc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gc-card {
  position: relative;
  display: flex;
  background: #fff;
  border: 1px solid #e8ebe6;
  border-radius: 14px;
  overflow: hidden;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  cursor: default;
}

.gc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
  border-color: #cdd4c8;
}

.gc-card:focus-within {
  outline: 2px solid #2e7d32;
  outline-offset: 2px;
}

/* Left accent bar — always visible, refined */
.gc-card__accent {
  width: 4px;
  background: #2e7d32;
  flex-shrink: 0;
}

.gc-card__body {
  flex: 1;
  padding: 22px 24px 20px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Meta row */
.gc-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #8a9280;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.gc-card__teacher {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gc-card__divider {
  flex-shrink: 0;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #d0d6cb;
}

.gc-card__duration {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.gc-card__duration svg {
  flex-shrink: 0;
  opacity: 0.45;
}

/* Title */
.gc-card__title {
  margin: 0 0 auto;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: #1a1a1a;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Footer */
.gc-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #eef0ec;
}

.gc-card__price {
  display: flex;
  align-items: baseline;
  gap: 1px;
  font-size: 22px;
  font-weight: 700;
  color: #2e7d32;
  line-height: 1;
  font-family: Arial, Helvetica, sans-serif;
}

.gc-card__price-symbol {
  font-size: 14px;
  font-weight: 600;
}

.gc-card__price-unit {
  font-size: 12px;
  font-weight: 400;
  color: #aab0a4;
  margin-left: 2px;
}

/* Button */
.gc-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 22px;
  background: #2e7d32;
  color: #fff !important;
  border-radius: 20px;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
}

.gc-card__btn:hover {
  background: #1b5e20;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(46,125,50,0.2);
  color: #fff !important;
}

.gc-card__btn:active {
  transform: translateY(0);
}

.gc-card__btn svg {
  flex-shrink: 0;
  transition: transform 0.2s;
}

.gc-card__btn:hover svg {
  transform: translateX(3px);
}

/* --- CTA --- */
.fn-cta {
  background: linear-gradient(135deg, #1b5e20 0%, #2e7d32 50%, #388e3c 100%);
  position: relative;
  overflow: hidden;
}
.fn-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}
.fn-cta .fn-section-inner {
  padding: 80px 0;
  position: relative;
}
.fn-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin: 0 auto;
}
.fn-cta-text h2 {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
  letter-spacing: 1px;
}
.fn-cta-text p {
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
.fn-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: #fff;
  color: #1b5e20 !important;
  border-radius: 100px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
.fn-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

/* --- prefers-reduced-motion --- */
@media (prefers-reduced-motion: reduce) {
  .fn-hero-btn, .fn-tag, .fn-intro-btn, .fn-cta-btn,
  .gc-card, .gc-card__btn, .fn-benefit-card { transition: none !important; }
  .fn-hero-btn:hover, .fn-benefit-card:hover, .fn-cta-btn:hover { transform: none !important; }
  .fn-hero-bg img { animation: none; }
  .fn-hero-inner { animation: none; }
  .fn-hero-scroll { animation: none; }
  .gc-card:hover { transform: none !important; box-shadow: none !important; }
  .gc-card__btn:hover { transform: none !important; }
  .gc-card__btn:hover svg { transform: none !important; }
}