/* ==================== 平板适配 768px~1199px ==================== */
@media (max-width: 1199px) {
  :root { --container: 960px; }
  .section-title { font-size: 32px; }
  .slide-inner { gap: 34px; }
  .hero-title { font-size: 38px; }
  .quick-grid { gap: 14px; }
  .intro-wrap { gap: 30px; }
}

/* ==================== 移动端适配 <768px ==================== */
@media (max-width: 767px) {
  :root { --header-h: 64px; }
  .container { width: min(100% - 24px, var(--container)); }
  .section { padding: 34px 0; }
  .hero + .section { padding-top: 12px; }
  .section-title { font-size: 26px; }
  .section-desc { font-size: 15px; margin-bottom: 18px; }
  .nav-wrap { height: var(--header-h); flex-direction: row; align-items: center; justify-content: space-between; gap: 8px; padding: 0; }
  .logo { flex: 0 0 auto; min-width: 96px; }
  .logo-image { width: 98px; height: 34px; }
  .logo-text-main { font-size: 19px; }
  .logo-text-sub { display: none; }
  .nav-links { display: flex; flex: 1 1 auto; justify-content: flex-end; gap: 3px; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { flex: 0 0 auto; min-height: 34px; padding: 6px 7px; font-size: 12px; line-height: 1; }

  .slider { min-height: auto; }
  .slide { height: 300px; padding: 18px 0 42px; align-items: start; }
  .slide-inner { grid-template-columns: 1fr; gap: 10px; padding: 0 14px; }
  .hero-kicker { font-size: 12px; margin-bottom: 8px; }
  .hero-title { font-size: 24px; margin-bottom: 6px; }
  .hero-desc { font-size: 13px; margin-bottom: 8px; }
  .hero-specs { margin: 8px 0 9px; gap: 5px; }
  .hero-specs span { font-size: 12px; padding: 5px 8px; }
  .hero-price { margin-bottom: 10px; gap: 8px; }
  .month-price .amount { font-size: 28px; }
  .month-price .unit { font-size: 13px; }
  .trial-price { padding: 7px 10px; border-radius: 12px; }
  .trial-price .trial-amount { font-size: 22px; }
  .trial-price .trial-yuan, .trial-price .trial-text { font-size: 16px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 10px; }
  .hero-stat { padding: 7px 6px; text-align: center; }
  .hero-stat b { font-size: 13px; }
  .hero-stat span { font-size: 10px; }
  .hero .btn { width: 100%; border-radius: 12px; }
  .hero { padding-top: calc(var(--header-h) + 10px); padding-bottom: 10px; }
  .slider { width: min(100% - 20px, var(--container)); border-radius: 18px; height: 300px; }
  .hero-art { display: none; }
  .slider-arrow { display: none; }
  .slider-dots { right: 14px; bottom: 12px; padding: 6px 8px; gap: 6px; }
  .slider-dot { width: 7px; height: 7px; }
  .slider-dot.active { width: 22px; }

  .quick-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .quick-card { min-height: 78px; padding: 12px; flex-direction: column; align-items: flex-start; }
  .quick-icon { width: 48px; height: 48px; border-radius: 15px; }
  .quick-icon svg { width: 36px; height: 36px; }
  .quick-card strong { font-size: 15px; }
  .quick-card:active { transform: scale(.98); border-color: var(--primary); }

  .intro-wrap { grid-template-columns: 1fr; }
  .intro-art { min-height: 210px; }
  .intro-panel { inset: 32px; }
  .intro-panel b { font-size: 26px; }
  .intro-content h2 { font-size: 28px; }
  .intro-content p { font-size: 15px; }
  .intro-points { grid-template-columns: repeat(2, 1fr); }

  .products-grid { grid-template-columns: 1fr; gap: 12px; }
  .product-card { padding: 22px; }
  .product-top { display: block; }
  .badge { margin-top: 12px; }
  .spec-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .spec { padding: 12px; }
  .price-row { align-items: flex-start; flex-direction: column; }
  .order-btn { min-height: 46px; }
  .product-row { grid-template-columns: 1fr; gap: 7px; padding: 11px; }
  .product-row-title h3 { white-space: normal; font-size: 14px; }
  .product-row-specs { font-size: 11px; gap: 5px; }
  .product-row-price { text-align: left; font-size: 18px; }
  .product-row-price small { font-size: 12px; padding: 5px 9px; }
  .product-row .order-btn { min-height: 40px; }

  .float-tools { display: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 10px 8px; }
  .site-footer { padding-bottom: 24px; }
}

@media (max-width: 390px) {
  .spec-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 25px; }
  .slider { height: 320px; }
  .slide { height: 320px; }
}
/* ==================== 商品本身板块优化：仅作用于 #products ==================== */
#products .product-list {
  display: grid;
  gap: 12px;
}
#products .product-row {
  grid-template-columns: minmax(230px, 1.3fr) minmax(340px, 2fr) minmax(150px, .7fr) 120px;
  min-height: 78px;
  padding: 12px 16px 12px 18px;
  gap: 16px;
  border: 1px solid #d6e3f2;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 5px 16px rgba(15, 55, 120, .055);
}
#products .product-row::before {
  width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--cyan));
}
#products .product-row:nth-child(3n)::before {
  background: linear-gradient(180deg, var(--warm), #ffc069);
}
#products .product-row-title h3 {
  font-size: 16px;
  line-height: 1.4;
  color: #162033;
}
#products .product-row-title .badge {
  display: inline-flex;
  margin-top: 7px;
  height: 24px;
  padding: 0 9px;
  background: #eef6ff;
  border-color: #bfd8f5;
  color: #28609d;
  font-size: 11px;
}
#products .product-row-specs {
  align-content: center;
  gap: 7px;
  color: #42526b;
  font-size: 12px;
}
#products .product-row-specs span {
  padding: 5px 8px;
  background: #f7faff;
  border: 1px solid #d6e5f5;
  border-radius: 8px;
  line-height: 1.2;
}
#products .product-row-specs .hot {
  color: #0958d9;
  background: #eaf3ff;
  border-color: #9fc8f5;
}
#products .product-row-specs .speed {
  color: #8a4b08;
  background: #fff8e8;
  border-color: #f3cb81;
}
#products .product-row-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  color: #e25520;
  font-size: 24px;
  line-height: 1.05;
}
#products .product-row-price small {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 0;
  padding: 4px 8px;
  color: #b42318;
  background: #fff3ed;
  border: 1px solid #f4c0aa;
  border-radius: 7px;
  box-shadow: none;
  font-size: 12px;
  line-height: 1.2;
}
#products .product-row-price small b {
  height: 18px;
  padding: 0 5px;
  background: #e25520;
  border-radius: 5px;
  font-size: 10px;
}
#products .product-row .order-btn {
  min-height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  background: var(--primary);
  box-shadow: 0 6px 14px rgba(22, 119, 255, .18);
  font-size: 13px;
}
#products .product-row .order-btn:hover {
  background: var(--primary-dark);
  box-shadow: 0 9px 18px rgba(22, 119, 255, .24);
}
#products .product-row {
  grid-template-columns: minmax(230px, 1.25fr) minmax(340px, 2fr) auto auto;
  align-items: center;
  column-gap: 12px;
}
#products .product-row-price {
  min-width: 74px;
  align-items: flex-end;
  justify-self: end;
  white-space: nowrap;
}
#products .product-row .order-btn {
  justify-self: end;
  min-width: 104px;
  margin-left: 0;
}
@media (max-width: 767px) {
  #products .product-row {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 12px;
    row-gap: 9px;
  }
  #products .product-row-title,
  #products .product-row-specs {
    grid-column: 1 / -1;
  }
  #products .product-row-price {
    grid-column: 1;
    align-items: flex-start;
    justify-self: start;
    min-width: 0;
  }
  #products .product-row .order-btn {
    grid-column: 2;
    grid-row: 3;
    width: auto;
    min-width: 112px;
    justify-self: end;
  }
}
/* 文案式轮播：三张核心营销信息，使用统一的文字、卖点、价格和行动按钮层级。 */
.slider.copy-slider { height: 330px; border-color: #b9d8ff; background: linear-gradient(135deg, #ffffff 0%, #f2f8ff 58%, #e7f3ff 100%); }
.copy-slider .slides { height: 100%; }
.copy-slider .slide { height: 330px; }
.copy-slider .slide-inner { max-width: var(--container); padding: 0 58px; }
.copy-slider .hero-copy { max-width: 760px; }
.copy-slider .hero-kicker { margin-bottom: 12px; }
.copy-slider .hero-title { max-width: 760px; margin-bottom: 12px; }
.copy-slider .hero-desc { max-width: 680px; margin-bottom: 16px; font-size: 17px; }
.copy-slider .hero-specs { margin: 0 0 18px; }
.copy-slider .hero-specs span { background: rgba(255,255,255,.82); }
.copy-slider .hero-price { margin-bottom: 18px; }
.copy-slider .trial-price { padding: 10px 16px; }
.copy-slider .trial-amount { font-size: 36px; }
.copy-slider .trial-yuan { font-size: 20px; }
.copy-slider .copy-action { min-width: 132px; min-height: 46px; border-radius: 12px; }
.copy-slider .slider-dots { right: 28px; bottom: 22px; }
.copy-slider .slide[data-tone="contact"] .hero-kicker { background: #eaf3ff; color: #0958d9; }
.copy-slider .slide[data-tone="domestic"] .hero-kicker { background: #ecfff6; color: #067647; }
.copy-slider .slide[data-tone="global"] .hero-kicker { background: #eef6ff; color: #28609d; }
@media (max-width: 767px) {
  .slider.copy-slider, .copy-slider .slide { height: 320px; }
  .copy-slider .slide-inner { padding: 22px 18px 48px; }
  .copy-slider .hero-kicker { margin-bottom: 8px; font-size: 12px; }
  .copy-slider .hero-title { font-size: 26px; line-height: 1.18; margin-bottom: 9px; }
  .copy-slider .hero-desc { font-size: 14px; line-height: 1.55; margin-bottom: 12px; }
  .copy-slider .hero-specs { gap: 5px; margin-bottom: 13px; }
  .copy-slider .hero-specs span { padding: 5px 8px; font-size: 12px; }
  .copy-slider .hero-price { margin-bottom: 13px; }
  .copy-slider .trial-price { padding: 8px 12px; }
  .copy-slider .trial-amount { font-size: 30px; }
  .copy-slider .trial-yuan { font-size: 17px; }
  .copy-slider .copy-action { width: 100%; min-height: 44px; }
  .copy-slider .slider-dots { right: 14px; bottom: 12px; }
}
/* ==================== 全局 UI 微调：降低字号与拥挤感，保持可读性 ==================== */
.section-title { font-size: 32px; }
.section-desc { font-size: 16px; line-height: 1.55; }
.nav-links a { font-size: 15px; }
.quick-card strong { font-size: 16px; }
.quick-card em { font-size: 12px; }
.intro-point { font-size: 15px; }
#products .section-title { font-size: 32px; }
#products .product-row-title h3 { font-size: 15px; }
#products .product-row-specs { font-size: 11px; }
#products .product-row-price { font-size: 22px; }
#products .product-row .order-btn { font-size: 13px; }
.credential-card h3 { font-size: 18px; }
.credential-card p { font-size: 13px; line-height: 1.5; }
.credential-notice { font-size: 12px !important; }
@media (max-width: 1199px) {
  .section-title, #products .section-title { font-size: 30px; }
  .section-desc { font-size: 15px; }
  .nav-links a { font-size: 14px; padding-left: 12px; padding-right: 12px; }
  #products .product-row { grid-template-columns: minmax(210px, 1.2fr) minmax(270px, 1.7fr) auto 104px; gap: 10px; }
}
@media (max-width: 767px) {
  .section-title, #products .section-title { font-size: 25px; }
  .section-desc { font-size: 14px; line-height: 1.55; }
  .hero-title { font-size: 23px; }
  .hero-desc { font-size: 13px; }
  .hero-kicker { font-size: 12px; }
  .quick-card strong { font-size: 14px; }
  .quick-card em { font-size: 11px; }
  .intro-point { font-size: 13px; padding: 12px; }
  #products .product-row-title h3 { font-size: 14px; line-height: 1.4; }
  #products .product-row-specs { font-size: 11px; }
  #products .product-row-price { font-size: 20px; }
  #products .product-row .order-btn { font-size: 13px; }
  .credential-card h3 { font-size: 17px; }
  .credential-card p { font-size: 13px; }
}
@media (max-width: 390px) {
  .section-title, #products .section-title { font-size: 23px; }
  .hero-title { font-size: 21px; }
  .hero-desc { font-size: 12px; }
  #products .product-row { padding-left: 14px; padding-right: 12px; }
}
/* ==================== 轮播区重做：紧凑高度、内容安全区与独立操作层 ==================== */
.hero { padding-top: calc(var(--header-h) + 6px); padding-bottom: 4px; }
.slider.copy-slider {
  height: 250px;
  border-radius: 16px;
  overflow: hidden;
}
.copy-slider .slide {
  height: 250px;
  min-width: 0;
  overflow: visible;
}
.copy-slider .slide-inner {
  height: 100%;
  min-width: 0;
  padding: 24px 54px 42px;
  display: flex;
  align-items: flex-start;
}

.copy-slider .slides { height: 100%; }
.copy-slider .slide-inner {
  padding: 20px 54px 42px;
}
.copy-slider .hero-title { font-size: clamp(23px, 2.7vw, 31px); }
.copy-slider .hero-desc { font-size: 14px; }
.copy-slider .hero-price { margin-top: 10px; margin-bottom: 9px; }
.copy-slider .hero-kicker { margin-bottom: 7px; }
.copy-slider .hero-title {
  max-width: 760px;
  margin-bottom: 7px;
  font-size: clamp(25px, 3vw, 35px);
  line-height: 1.15;
}
.copy-slider .hero-desc {
  max-width: 700px;
  margin-bottom: 9px;
  font-size: 15px;
  line-height: 1.45;
}
.copy-slider .hero-specs { display: none; }
.copy-slider .hero-price { margin-top: 16px; }
.copy-slider .hero-specs span { padding: 4px 8px; font-size: 12px; }
.copy-slider .hero-price { margin-top: 16px; margin-bottom: 11px; }
.copy-slider .trial-price {
  padding: 7px 12px;
  background: #eef6ff;
  border-color: #c6dcf5;
  box-shadow: 0 6px 14px rgba(22, 119, 255, .10);
}
.copy-slider .trial-amount { font-size: 29px; color: var(--primary); }
.copy-slider .trial-yuan { font-size: 17px; color: #49627d; }
.copy-slider .slide[data-tone="global"] .hero-kicker { background: #eef6ff; color: #28609d; }
.copy-slider .copy-slide .slide-inner { position: relative; }
.copy-slider .copy-slide .copy-action {
  position: absolute;
  left: 54px;
  bottom: 34px;
  margin: 0;
}
.copy-slider .copy-action,
.copy-slider .slide:not(.copy-slide) .btn {
  min-width: 108px;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 9px;
  background: #5b9cf6;
  box-shadow: 0 5px 12px rgba(91, 156, 246, .18);
  color: #fff;
  font-size: 13px;
}
.copy-slider .copy-action:hover,
.copy-slider .slide:not(.copy-slide) .btn:hover {
  background: #4b8ce8;
  box-shadow: 0 7px 15px rgba(91, 156, 246, .24);
}
.copy-slider .slider-dots { right: 24px; bottom: 16px; }
.copy-slider .slide:not(.copy-slide) .slide-inner {
  padding-top: 20px;
  padding-bottom: 38px;
}
.copy-slider .slide:not(.copy-slide) .hero-title { font-size: clamp(25px, 3.2vw, 36px); }
.copy-slider .slide:not(.copy-slide) .hero-desc { font-size: 14px; }
.copy-slider .slide:not(.copy-slide) .hero-specs { margin-bottom: 9px; }
.copy-slider .slide:not(.copy-slide) .hero-price { margin-bottom: 9px; }
.copy-slider .slide:not(.copy-slide) .btn {
  position: relative;
  z-index: 2;
  min-height: 40px;
  border-radius: 10px;
}
@media (max-width: 767px) {
  .hero { padding-top: calc(var(--header-h) + 8px); padding-bottom: 6px; }
  .slider.copy-slider { height: 260px; border-radius: 15px; }
  .copy-slider .slide { height: 260px; }
  .copy-slider .slide-inner {
    padding: 17px 18px 43px;
    align-items: flex-start;
  }
  .copy-slider .copy-slide .copy-action {
    left: 18px;
    bottom: 35px;
  }
  .copy-slider .hero-kicker { margin-bottom: 6px; font-size: 11px; }
  .copy-slider .hero-title {
    margin-bottom: 6px;
    font-size: 22px;
    line-height: 1.18;
  }
  .copy-slider .hero-desc {
    margin-bottom: 8px;
    font-size: 13px;
    line-height: 1.4;
  }
  .copy-slider .hero-specs { gap: 4px; margin-bottom: 9px; }
  .copy-slider .hero-specs span { padding: 4px 6px; font-size: 11px; }
  .copy-slider .hero-price { margin-bottom: 9px; }
  .copy-slider .trial-price { padding: 6px 10px; }
  .copy-slider .trial-amount { font-size: 26px; }
  .copy-slider .trial-yuan { font-size: 15px; }
  .copy-slider .copy-action,
  .copy-slider .slide:not(.copy-slide) .btn {
    width: auto;
    min-width: 104px;
    min-height: 40px;
    padding: 0 14px;
    font-size: 13px;
  }
  .copy-slider .slider-dots { right: 12px; bottom: 10px; }
  .copy-slider .slide:not(.copy-slide) .slide-inner { padding-top: 15px; padding-bottom: 38px; }
  .copy-slider .slide:not(.copy-slide) .hero-title { font-size: 22px; }
  .copy-slider .slide:not(.copy-slide) .hero-desc { font-size: 12px; }
}
@media (max-width: 390px) {
  .slider.copy-slider, .copy-slider .slide { height: 270px; }
  .copy-slider .hero-title, .copy-slider .slide:not(.copy-slide) .hero-title { font-size: 20px; }
  .copy-slider .hero-desc, .copy-slider .slide:not(.copy-slide) .hero-desc { font-size: 11px; }
}
.slider-progress { position: absolute; left: 24px; right: 150px; bottom: 18px; z-index: 6; height: 4px; overflow: hidden; border-radius: 999px; background: rgba(22,119,255,.14); pointer-events: none; }
.slider-progress span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--cyan)); transform-origin: left center; }
#products .order-btn.is-disabled { background: #cbd5e1; color: #fff; cursor: not-allowed; box-shadow: none; pointer-events: none; }
@media (max-width: 767px) { .slider-progress { left: 14px; right: 112px; bottom: 12px; height: 3px; } }
/* ==================== 轮播下方快捷按钮：统一尺寸，图标左、文字右 ==================== */
.quick-grid { align-items: stretch; }
.quick-card {
  min-height: 86px;
  height: 86px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}
.quick-card .quick-icon {
  width: 54px;
  height: 54px;
  flex: 0 0 54px;
}
.quick-card > span:last-child {
  min-width: 0;
  text-align: left;
}
.quick-card strong,
.quick-card em {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 767px) {
  .quick-grid { align-items: stretch; }
  .quick-card {
    height: 78px;
    min-height: 78px;
    flex-direction: row;
    align-items: center;
    gap: 9px;
    padding: 10px;
  }
  .quick-card .quick-icon {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }
  .quick-card strong { font-size: 14px; }
  .quick-card em { font-size: 11px; }
}