/* ==========================================================================
   landing-v2.css —— 首页新增区块样式（2026-10-05）
   原则：
   1. 不覆盖站内已有 class，只加新名（.v2-*），避免破坏现有视觉；
   2. 动效只用 transform / opacity；
   3. 尊重 prefers-reduced-motion；移动端单列、动效简化；
   4. 颜色沿用小红书主色 #FF2442 与站内浅红 #FFF0F2。
   ========================================================================== */

/* ---------- 痛点共鸣区 ---------- */
.v2-pain-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 28px;
}
.v2-pain {
  position: relative; overflow: hidden;
  background: #fff; border: 1px solid rgba(255, 36, 66, .10);
  border-radius: 16px; padding: 20px 20px 18px;
  transition: transform .35s cubic-bezier(.22,.61,.36,1), box-shadow .35s, border-color .35s;
}
.v2-pain::before {
  content: ""; position: absolute; inset: -40% 60% 40% -40%;
  background: radial-gradient(circle at 30% 30%, rgba(255,36,66,.16), transparent 70%);
  opacity: 0; transition: opacity .4s; pointer-events: none;
}
.v2-pain:hover { transform: translateY(-4px); border-color: rgba(255,36,66,.28); box-shadow: 0 14px 34px rgba(255,36,66,.14); }
.v2-pain:hover::before { opacity: 1; }
.v2-pain .q { display: flex; gap: 10px; align-items: flex-start; }
.v2-pain .qi { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, #FFF0F2, #FFE0E5); color: var(--xhs-red-text, #D81B37); }
.v2-pain h3 { margin: 0; font-size: 16px; line-height: 1.5; font-weight: 700; color: #23202A; }
.v2-pain p { margin: 10px 0 0; font-size: 13.5px; line-height: 1.75; color: #6B6468; }
.v2-pain .fix { margin-top: 12px; font-size: 13px; color: var(--xhs-red-text, #D81B37); font-weight: 600; display: flex; gap: 6px; align-items: center; }

/* ---------- 核心亮点（讲结果的 8 张） ---------- */
.v2-hl-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 26px;
}
.v2-hl {
  position: relative; overflow: hidden; border-radius: 20px; padding: 22px 20px;
  background: linear-gradient(180deg, #FFFFFF 0%, #FFF7F8 100%);
  border: 1px solid rgba(255,36,66,.10);
  transition: transform .35s cubic-bezier(.22,.61,.36,1), box-shadow .35s;
}
.v2-hl::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, #FF2442, #FF7A90); transform: scaleX(0); transform-origin: left;
  transition: transform .45s cubic-bezier(.22,.61,.36,1);
}
.v2-hl:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(255,36,66,.16); }
.v2-hl:hover::after { transform: scaleX(1); }
.v2-hl .ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: #E02039; color: #fff; font-size: 18px; }
.v2-hl h3 { margin: 14px 0 0; font-size: 15.5px; font-weight: 700; color: #23202A; line-height: 1.5; }
.v2-hl .r { margin: 10px 0 0; font-size: 14px; font-weight: 700; color: var(--xhs-red-text, #D81B37); }
.v2-hl p { margin: 6px 0 0; font-size: 13px; line-height: 1.7; color: #6B6468; }

/* ---------- 产品全景图（三大组件） ---------- */
.v2-pano { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 26px; }
.v2-pano-card {
  position: relative; overflow: hidden; border-radius: 24px; padding: 26px 22px;
  /* 2026-10-07：上一版三张深红大色块在全站「浅底 + 红点缀」里太冲（用户反馈），
     改回浅色卡：白底 + 顶部淡粉晕染 + 红描边；红色只留给序号、✓ 与悬停阴影，
     三卡同底色，靠内容区分，不再一张一个颜色。 */
  color: #3F383D;
  background: linear-gradient(180deg, #FFF6F7 0%, #FFFFFF 52%);
  border: 1px solid rgba(255,36,66,.12);
  box-shadow: 0 10px 26px rgba(255,36,66,.08);
  transition: transform .4s cubic-bezier(.22,.61,.36,1), box-shadow .4s;
}
.v2-pano-card:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(255,36,66,.16); }
.v2-pano-card:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(255,36,66,.30); }
.v2-pano-card .halo { position: absolute; width: 220px; height: 220px; right: -70px; top: -80px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,36,66,.10), transparent 68%); pointer-events: none; }
.v2-pano-card .num { font-size: 13px; letter-spacing: .1em; font-weight: 700; color: var(--xhs-red-text, #D81B37); }
.v2-pano-card h3 { margin: 10px 0 6px; font-size: 21px; font-weight: 800; color: #1F1B1D; }
.v2-pano-card .en { font-size: 12px; color: #6E6869; letter-spacing: .06em; }
.v2-pano-card ul { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 7px; }
.v2-pano-card li { font-size: 14.5px; line-height: 1.75; display: flex; gap: 8px; color: #4A4348; }
.v2-pano-card li::before { content: "✓"; font-weight: 700; color: var(--xhs-red-text, #D81B37); }
.v2-pano-card .foot { margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(255,36,66,.14);
  font-size: 13px; display: flex; gap: 14px; flex-wrap: wrap; color: #6B6468; }

/* ---------- 工作流 GIF 条 ---------- */
.v2-gif-row {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 30px;
}
.v2-gif {
  position: relative; border-radius: 16px; overflow: hidden; background: #FFF0F2;
  border: 1px solid rgba(255,36,66,.10); transition: transform .35s, box-shadow .35s;
}
.v2-gif:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(255,36,66,.18); }
.v2-gif img { width: 100%; height: auto; aspect-ratio: 1280 / 760; object-fit: cover; object-position: top center; display: block; }
.v2-gif .cap {
  position: absolute; left: 10px; bottom: 10px; right: 10px;
  background: rgba(23,20,27,.72); color: #fff; font-size: 12.5px; padding: 6px 10px; border-radius: 10px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}

/* ---------- 结果证明 ---------- */
.v2-prove { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 26px; }
.v2-prove-item {
  background: #fff; border: 1px solid rgba(255,36,66,.10); border-radius: 16px; padding: 20px;
  text-align: center; transition: transform .3s, box-shadow .3s;
}
.v2-prove-item:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(255,36,66,.14); }
.v2-prove-item b { display: block; font-size: 30px; color: var(--xhs-red-text, #D81B37); font-weight: 800; }
.v2-prove-item span { display: block; margin-top: 6px; font-size: 13px; color: #6B6468; }
.v2-ba { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: stretch; margin-top: 22px; }
.v2-ba-col { background: #fff; border: 1px solid rgba(255,36,66,.10); border-radius: 16px; padding: 18px 20px; }
.v2-ba-col.bad { background: #FBF9FA; }
.v2-ba-col.good { background: linear-gradient(180deg, #FFF5F6, #FFEDF0); border-color: rgba(255,36,66,.22); }
.v2-ba-col h4 { margin: 0 0 10px; font-size: 15px; }
.v2-ba-col ul { margin: 0; padding-left: 18px; font-size: 13.5px; line-height: 1.9; color: #56505A; }
.v2-ba-mid { display: grid; place-items: center; color: var(--xhs-red-text, #D81B37); font-size: 26px; }

/* ---------- 信任区 ---------- */
.v2-trust { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.v2-trust-item { display: flex; gap: 12px; background: #fff; border: 1px solid rgba(255,36,66,.10);
  border-radius: 16px; padding: 18px; }
.v2-trust-item .ti { flex: 0 0 38px; width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: #FFF0F2; color: var(--xhs-red-text, #D81B37); }
.v2-trust-item h4 { margin: 0 0 4px; font-size: 14.5px; }
.v2-trust-item p { margin: 0; font-size: 13px; line-height: 1.7; color: #6B6468; }

/* ---------- 通用小标签 ---------- */
.v2-pill {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--xhs-red-text, #D81B37);
  background: #FFF0F2; border-radius: 999px; padding: 5px 12px; margin-right: 6px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .v2-hl-grid, .v2-prove { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v2-pano, .v2-trust { grid-template-columns: 1fr; }
  .v2-pain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v2-gif-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .v2-hl-grid, .v2-prove, .v2-pain-grid, .v2-gif-row { grid-template-columns: 1fr; }
  .v2-ba { grid-template-columns: 1fr; }
  .v2-ba-mid { transform: rotate(90deg); }
  .v2-pano-card, .v2-hl, .v2-pain { padding: 18px; }
}

/* ---------- 降级：尊重 prefers-reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .v2-pain, .v2-hl, .v2-pano-card, .v2-gif, .v2-prove-item {
    transition: none !important;
  }
  .v2-pain:hover, .v2-hl:hover, .v2-pano-card:hover, .v2-gif:hover, .v2-prove-item:hover {
    transform: none !important;
  }
  .v2-hl::after { display: none; }
}


/* ==========================================================================
   2026-10-05 首页收口补丁（六条用户反馈一次收干净）
   ③ GIF 懒加载/灯箱 ④ 版本差异两列 ⑤ 底部双出口 ⑥ 回顶按钮
   ========================================================================== */

/* ③ 「工作方式」演示图：默认是静态封面，进入视口才换真 GIF；加载中/加载后给明确反馈 */
.v2-gif { cursor: zoom-in; }
.v2-gif::after {
  content: "点击看大图"; position: absolute; top: 10px; right: 10px; z-index: 2;
  font-size: 12px; font-weight: 700; color: #fff; background: rgba(23,20,27,.66);
  padding: 4px 10px; border-radius: 999px; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  opacity: 0; transform: translateY(-4px); pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}
.v2-gif:hover::after, .v2-gif:focus-visible::after { opacity: 1; transform: none; }
.v2-gif[data-loading="1"]::after { content: "加载动图…"; opacity: 1; transform: none; }
.v2-gif[data-loaded="0"]::after { content: "封面预览"; }
.v2-gif:focus-visible { outline: 3px solid rgba(255,36,66,.45); outline-offset: 3px; }

/* ③ 灯箱 */
#ssLightbox {
  position: fixed; inset: 0; z-index: var(--z-top, 99990); display: none; padding: 32px;
  align-items: center; justify-content: center;
  background: rgba(15,12,18,.88); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
#ssLightbox[data-open="1"] { display: flex; }
#ssLightbox .lb-inner {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 14px;
  max-width: min(1180px, 94vw); animation: ssLbIn .28s cubic-bezier(.22,.61,.36,1) both;
}
@keyframes ssLbIn { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }
#ssLightbox img {
  max-width: 100%; max-height: 76vh; width: auto; height: auto; object-fit: contain;
  border-radius: 14px; background: #fff; box-shadow: 0 30px 80px rgba(0,0,0,.55);
}
#ssLightbox .lb-cap { color: #fff; font-size: 14px; line-height: 1.6; opacity: .92; text-align: center; max-width: 680px; }
#ssLightbox .lb-close {
  position: absolute; top: -16px; right: -16px; width: 40px; height: 40px; border: none; cursor: pointer;
  border-radius: 50%; background: #fff; color: #D01230; font-size: 22px; line-height: 1;
  display: grid; place-items: center; box-shadow: 0 8px 20px rgba(0,0,0,.3);
  transition: transform .25s cubic-bezier(.22,.61,.36,1);
}
#ssLightbox .lb-close:hover { transform: scale(1.08); }
@media (max-width: 640px) {
  #ssLightbox { padding: 14px; }
  #ssLightbox img { max-height: 64vh; }
  #ssLightbox .lb-close { top: -10px; right: 0; width: 36px; height: 36px; }
}

/* ④ 版本差异：不能用通用 .grid —— design-upgrade.css 会把任意 .grid 强改成 4 列
      并让第 1 张卡 span 2，两张卡时就出现「一大一小 + 右侧空一列」。 */
.price-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px;
  max-width: 920px; margin: 0 auto; align-items: stretch;
}
.price-grid > .card { height: 100%; display: flex; flex-direction: column; }
.price-grid > .card > p:last-of-type { margin-top: auto; }
@media (max-width: 860px) { .price-grid { grid-template-columns: 1fr; max-width: 520px; } }

/* ⑤ 底部双出口：同圆角、同内距、同按钮，只有主色深浅略有差异 */
.v2-cta2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.v2-cta2-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: flex-start;
  gap: 10px; padding: 32px 32px 30px; min-height: 224px; border-radius: 26px; color: #fff;
  text-decoration: none; transition: transform .32s cubic-bezier(.22,.61,.36,1), box-shadow .32s ease;
}
.v2-cta2-card.today { background: linear-gradient(150deg,#E8173A 0%,#D01230 48%,#A00C22 100%); box-shadow: 0 12px 30px rgba(255,36,66,.22); }
.v2-cta2-card.explore { background: linear-gradient(150deg,#DB2A5E 0%,#BD1030 48%,#8E0A1E 100%); box-shadow: 0 12px 30px rgba(189,16,48,.24); }
.v2-cta2-card::before {
  content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; right: -88px; top: -118px;
  background: radial-gradient(circle, rgba(255,255,255,.22), transparent 70%); pointer-events: none;
}
.v2-cta2-card > * { position: relative; z-index: 1; }
.v2-cta2-ico {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-size: 22px;
  background: rgba(255,255,255,.18); color: #fff;
}
.v2-cta2-ico i { display: grid; place-items: center; }
.v2-cta2-card h3 { margin: 2px 0 0; font-size: 22px; font-weight: 800; letter-spacing: -.01em; }
.v2-cta2-card p { margin: 0; font-size: 14.5px; line-height: 1.75; color: rgba(255,255,255,.93); max-width: 400px; }
.v2-cta2-btn {
  margin-top: auto; display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 999px;
  background: #fff; color: #D01230; font-size: 15px; font-weight: 700;
  box-shadow: 0 8px 20px rgba(0,0,0,.16);
  transition: transform .28s cubic-bezier(.22,.61,.36,1), box-shadow .28s ease;
}
.v2-cta2-card.explore .v2-cta2-btn { color: #BD1030; }
.v2-cta2-btn em { font-style: normal; transition: transform .28s ease; }
.v2-cta2-card:hover { transform: translateY(-6px); box-shadow: 0 20px 46px rgba(163,12,34,.34); }
.v2-cta2-card:hover .v2-cta2-btn { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0,0,0,.22); }
.v2-cta2-card:hover .v2-cta2-btn em { transform: translateX(4px); }
.v2-cta2-card:focus-visible { outline: 3px solid rgba(255,36,66,.5); outline-offset: 4px; }
@media (max-width: 860px) {
  .v2-cta2 { grid-template-columns: 1fr; }
  .v2-cta2-card { padding: 24px 20px 22px; min-height: 0; gap: 8px; }
  .v2-cta2-card h3 { font-size: 19px; }
}

/* ⑥ 回顶按钮：首页不加载 css/style.css 与 page-polish.css，按钮此前完全裸奔
      （原生 <button>，静态流布局 → 掉在页面左下角），这里补齐固定右下角样式。
      --ss-widget-h 由 ai-assistant.js 实测写入，有 AI 挂件时自动上抬，没有则贴底 26px。 */
#backTopBtn {
  position: fixed; right: 26px; bottom: calc(var(--ss-widget-h, 0px) + 26px); z-index: 1200;
  width: 48px; height: 48px; padding: 0; border: none; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, #FF3B5C 0%, #E02039 55%, #D8122C 100%);
  box-shadow: 0 10px 26px rgba(255,36,66,.34);
  opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(10px) scale(.9);
  transition: opacity .3s cubic-bezier(.22,.61,.36,1), transform .3s cubic-bezier(.22,.61,.36,1), box-shadow .3s;
}
#backTopBtn[data-show="1"] { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
#backTopBtn:hover { transform: translateY(-3px) scale(1.06); box-shadow: 0 16px 34px rgba(255,36,66,.42); }
#backTopBtn:active { transform: scale(.9); }
#backTopBtn:focus-visible { outline: 3px solid rgba(255,36,66,.35); outline-offset: 3px; }
@media (max-width: 640px) {
  #backTopBtn { right: 14px; bottom: calc(var(--ss-widget-h, 0px) + 14px); width: 44px; height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .v2-cta2-card, .v2-cta2-btn, .v2-cta2-btn em, .v2-gif::after, #backTopBtn { transition: none !important; }
  .v2-cta2-card:hover { transform: none; }
  #ssLightbox .lb-inner { animation: none; }
}