/* 首页 v2：固定主标题 + 按功能切换的产品截图，三项能力、超能伙伴、隐私各占一屏以内，正文不小于 15px。 */
.page-home{--hv-ink:#1f2622;--hv-muted:#56615a;--hv-green:#16723c;--hv-green-bright:#15803d;--hv-line:#e3e9e4;--hv-soft:#f4f7f4}
:where(.page-home main) :where(h1,h2,h3,p,ul){margin:0}
:where(.page-home main) :where(ul){list-style:none;padding:0}
.hv-wrap{width:min(1160px,calc(100% - 48px));margin-inline:auto}
.hv-title{font-size:40px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--hv-ink)}

.hv-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:52px;padding:0 28px;border-radius:999px;border:1px solid transparent;font:inherit;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.hv-btn svg{width:18px;height:18px}
.hv-btn:hover{transform:translateY(-1px)}
.hv-btn-primary{background:var(--hv-ink);color:#fff}
.hv-btn-primary:hover{background:#3a423d}
.hv-btn-ghost{background:#fff;border-color:#d5ddd7;color:var(--hv-ink)}
.hv-btn-ghost:hover{border-color:var(--hv-green);color:var(--hv-green)}
.hv-btn-dark{background:var(--hv-green);color:#fff}
.hv-btn-dark:hover{background:#0f5b2f}
.hv-text-link{display:inline-flex;align-items:center;gap:6px;font-size:16px;font-weight:600;color:var(--hv-green)}
.hv-text-link svg{width:18px;height:18px;transition:transform .2s}
.hv-text-link:hover svg{transform:translateX(3px)}

/* 首屏 */
.hv-hero{padding:72px 0 88px;text-align:center;background:linear-gradient(180deg,#fff 0%,#f6f9f6 100%)}
.hv-hero-title{font-size:60px;line-height:1.2;font-weight:750;letter-spacing:-.02em;color:var(--hv-ink)}
.hv-hero-title span{color:var(--hv-green-bright)}
.hv-hero-sub{max-width:640px;margin:22px auto 0;font-size:19px;line-height:1.7;color:var(--hv-muted)}
.hv-hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:34px}
.hv-hero-note{margin-top:16px;font-size:14px;color:#6b756e}
/* 首屏产品截图：一排标签对应软件里的页面，当前标签下的进度线随自动轮换走满；标签放不下时横向滑动。 */
.hv-show{max-width:1080px;margin:52px auto 0}
.hv-show-tabs{position:relative;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.hv-show-tabs::-webkit-scrollbar{display:none}
.hv-show-tab:first-child{margin-left:auto}
.hv-show-tab:last-child{margin-right:auto}
.hv-show-tab{flex:none;display:flex;flex-direction:column;align-items:stretch;gap:10px;min-width:92px;padding:8px 12px 2px;border-radius:8px;font-size:15px;font-weight:600;line-height:1.4;color:#7a857d;white-space:nowrap;transition:color .2s}
.hv-show-tab:hover,.hv-show-tab[aria-selected="true"]{color:var(--hv-ink)}
.hv-show-tab:focus-visible{outline:2px solid var(--hv-green);outline-offset:-2px}
.hv-show-bar{display:block;height:3px;border-radius:3px;background:var(--hv-line);overflow:hidden}
.hv-show-bar i{display:block;height:100%;background:var(--hv-green-bright);transform:scaleX(0);transform-origin:left center}
.hv-show-tab[aria-selected="true"] .hv-show-bar i{transform:scaleX(var(--hv-progress,0))}
.hv-show[data-autoplay="off"] .hv-show-tab[aria-selected="true"] .hv-show-bar i{transform:none}
.hv-show-stage{position:relative;margin-top:20px;aspect-ratio:1200/750;border-radius:10px;overflow:hidden;border:1px solid var(--hv-line);box-shadow:0 30px 80px -40px #1c3a2766;background:#fff;touch-action:pan-y}
/* 新图淡入盖在旧图上，旧图等新图载入并淡入完成后才隐藏，切换时不露白。 */
.hv-show-slide{position:absolute;inset:0;display:block;opacity:0;visibility:hidden;cursor:zoom-in}
.hv-show-slide.is-prev{visibility:visible;opacity:1}
.hv-show-slide.is-active{z-index:1;visibility:visible;opacity:1;transition:opacity .45s ease}
.hv-show-slide img{width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-drag:none}
.hv-show-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 16px;min-height:28px;margin-top:20px}
.hv-show-caption{font-size:15px;line-height:1.6;color:var(--hv-muted)}
.hv-show-caption strong{margin-right:10px;font-weight:600;color:var(--hv-ink)}
.hv-show-dots{display:flex}
.hv-show-dots[hidden]{display:none}
.hv-show-dot{display:grid;place-items:center;width:24px;height:24px;padding:0}
.hv-show-dot::before{content:"";width:7px;height:7px;border-radius:4px;background:#cfd8d1;transition:width .25s,background .2s}
.hv-show-dot:hover::before{background:#a9b5ad}
.hv-show-dot[aria-current="true"]::before{width:16px;background:var(--hv-green-bright)}
.hv-show-dot:focus-visible{outline:2px solid var(--hv-green);outline-offset:-2px;border-radius:6px}
/* 截图原图四周带 1px 灰边和截图时的深色圆角，部分页面右侧还有贴边滚动条：以左侧为基准放大，左边裁约 1.5px、右边裁约 10px，
   深色圆角交给外框圆角遮住。 */
.hv-show-slide img,.hv-feature-shot img,.hv-trust-shot img{transform:scale(1.01);transform-origin:12% 50%}
.hv-bot-shot img{transform:scale(1.01);transform-origin:15% 50%}

/* 三项能力 */
.hv-features{padding:104px 0 96px}
.hv-features .hv-title{text-align:center;margin-bottom:48px}
.hv-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;scroll-margin-top:96px}
.hv-feature{display:flex;flex-direction:column;border:1px solid var(--hv-line);border-radius:12px;background:#fff;overflow:hidden}
.hv-feature-shot{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--hv-soft);border-bottom:1px solid var(--hv-line)}
.hv-feature-shot img{display:block;width:100%;height:100%;object-fit:cover;object-position:left top;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.hv-feature-shot:hover img,.hv-trust-shot:hover img{transform:scale(1.035)}
.hv-feature-body{display:flex;flex-direction:column;flex:1;padding:26px 28px 28px}
.hv-feature-step{font-size:14px;font-weight:700;color:var(--hv-green);letter-spacing:.06em}
.hv-feature h3{margin-top:8px;font-size:24px;line-height:1.35;font-weight:700;color:var(--hv-ink)}
.hv-feature p{margin-top:10px;font-size:16px;line-height:1.75;color:var(--hv-muted)}
.hv-video-link{align-self:flex-start;display:inline-flex;align-items:center;gap:7px;margin-top:auto;padding:18px 0 0;border:0;background:none;font:inherit;font-size:15px;font-weight:600;color:var(--hv-green);cursor:pointer}
.hv-video-link svg{width:16px;height:16px}
.hv-video-link:hover{color:#0f5b2f}

/* 超能伙伴 */
.hv-bot{padding:96px 0;background:var(--hv-soft)}
.hv-bot-inner{display:grid;grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:64px;align-items:center}
.hv-kicker{font-size:15px;font-weight:700;color:var(--hv-green);letter-spacing:.06em;margin-bottom:12px}
.hv-bot-lead{margin-top:18px;font-size:17px;line-height:1.8;color:var(--hv-muted)}
.hv-bot-caps{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px;margin-top:32px}
.hv-bot-caps li{display:grid;grid-template-columns:40px 1fr;column-gap:12px;align-items:start}
.hv-bot-caps .hv-cap-icon{grid-row:span 2}
.hv-bot-caps strong{font-size:17px;font-weight:700;color:var(--hv-ink);line-height:1.4}
.hv-bot-caps li>span:last-child{font-size:15px;line-height:1.6;color:var(--hv-muted);margin-top:2px}
.hv-cap-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#fff;border:1px solid var(--hv-line);color:var(--hv-green)}
.hv-cap-icon svg{width:21px;height:21px}
.hv-bot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:36px}
.hv-bot-shot{display:block;border-radius:10px;overflow:hidden;border:1px solid var(--hv-line);box-shadow:0 30px 70px -40px #1c3a2766;background:#fff}
.hv-bot-shot img{display:block;width:100%;height:auto}

/* 隐私 */
.hv-trust{padding:96px 0 88px;text-align:center}
.hv-trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:44px 0 32px;text-align:left}
.hv-trust-grid article{padding:28px;border:1px solid var(--hv-line);border-radius:20px;background:#fff}
.hv-trust-grid h3{margin-top:18px;font-size:20px;font-weight:700;color:var(--hv-ink)}
.hv-trust-grid p{margin-top:8px;font-size:16px;line-height:1.75;color:var(--hv-muted)}
.hv-trust-shots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:32px}
.hv-trust-shot{display:block}
.hv-trust-shot-frame{display:block;aspect-ratio:16/10;overflow:hidden;border:1px solid var(--hv-line);border-radius:12px;background:var(--hv-soft)}
.hv-trust-shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.hv-trust-shot-text{display:block;margin-top:12px;font-size:15px;line-height:1.6;color:var(--hv-muted)}

/* 下载区与演示视频弹窗沿用原样式，只统一放大说明文字。 */
.page-home .immersive-download .section-desc{font-size:17px}
.page-home .demo-dialog-viewport{aspect-ratio:16/9}
.page-home .demo-dialog-viewport iframe{display:block;width:100%;height:100%;border:0}

@media(max-width:1060px){
  .hv-title{font-size:34px}
  .hv-hero-title{font-size:50px}
  .hv-feature-grid{grid-template-columns:1fr 1fr}
  .hv-feature:last-child{grid-column:1/-1}
  .hv-bot-inner{grid-template-columns:1fr;gap:44px}
  .hv-bot-copy{max-width:640px}
}
@media(max-width:700px){
  .hv-wrap{width:calc(100% - 36px)}
  .hv-title{font-size:28px}
  .hv-hero{padding:44px 0 56px}
  .hv-hero-title{font-size:36px}
  .hv-hero-sub{font-size:16px;margin-top:16px}
  .hv-hero-actions{margin-top:26px;gap:10px}
  .hv-btn{min-height:48px;padding:0 22px;font-size:15px}
  .hv-show{margin-top:36px}
  .hv-show-tab{min-width:0;padding:8px 10px 2px;gap:8px;font-size:14px}
  .hv-show-stage{margin-top:14px;border-radius:8px}
  .hv-show-foot{flex-direction:column;gap:6px;margin-top:14px}
  .hv-show-caption{font-size:14px}
  .hv-show-caption strong{display:block;margin-right:0}
  .hv-features{padding:64px 0 56px}
  .hv-features .hv-title{margin-bottom:28px}
  .hv-feature-grid{grid-template-columns:1fr;gap:18px}
  .hv-feature:last-child{grid-column:auto}
  .hv-feature-body{padding:22px 22px 24px}
  .hv-feature h3{font-size:22px}
  .hv-feature p{font-size:15px}
  .hv-bot{padding:60px 0}
  .hv-bot-lead{font-size:16px}
  .hv-bot-caps{grid-template-columns:1fr;gap:18px}
  .hv-bot-caps strong{font-size:16px}
  .hv-bot-shot{border-radius:8px}
  .hv-trust{padding:60px 0 56px}
  .hv-trust-grid{grid-template-columns:1fr;gap:14px;margin:28px 0 24px}
  .hv-trust-grid article{padding:22px}
  .hv-trust-grid h3{font-size:18px;margin-top:14px}
  .hv-trust-grid p{font-size:15px}
  .hv-trust-shots{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:78%;gap:14px;margin-bottom:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
  .hv-trust-shots::-webkit-scrollbar{display:none}
  .hv-trust-shot{scroll-snap-align:start}
  .hv-trust-shot-frame{border-radius:8px}
  .hv-trust-shot-text{margin-top:10px;font-size:14px}
}
@media(prefers-reduced-motion:reduce){
  .hv-btn,.hv-feature-shot img,.hv-trust-shot img,.hv-text-link svg,.hv-show-slide.is-active,.hv-show-dot::before{transition:none}
}