/* ===== 产品下载页专属样式 ===== */
.page-products{
  background: var(--c-cream);
  color: var(--c-dark);
  font-family: var(--font-serif);
  line-height: 1.7;
  overflow-x: clip;
}
.page-products img{
  max-width: 100%;
  height: auto;
  display: block;
}
.page-products a{
  color: var(--c-teal);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color .2s ease;
}
.page-products a:hover{
  color: var(--c-orange);
}
.page-products .visually-hidden{
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* —— 本页章节编号体系 —— */
.page-products .section-head{
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}
.page-products .section__num{
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: rgba(14, 122, 128, .14);
  -webkit-text-stroke: 2px rgba(14, 122, 128, .9);
  min-width: 1.1em;
}
.page-products .section-head--light .section-title,
.page-products .section-head--light .section-lead{
  color: var(--c-cream);
}
.page-products .section-head--light .section-lead{
  color: rgba(250, 246, 240, .8);
}
.page-products .section-head--light .kicker{
  color: var(--c-yellow);
}
.page-products .section-head--light .section__num{
  color: rgba(245, 197, 24, .22);
  -webkit-text-stroke-color: var(--c-yellow);
}

/* —— 首屏章节预览目录 —— */
.page-products .page-toc{
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1.75rem;
  padding: .4rem;
  border: 1px solid var(--c-border);
  background: rgba(255, 255, 255, .55);
}
.page-products .page-toc__item{
  font-family: var(--font-sans);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .02em;
  padding: .35rem .65rem;
  color: var(--c-dark);
  text-decoration: none;
  border: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}
.page-products .page-toc__item:hover{
  border-color: var(--c-teal);
  background: var(--c-teal-light);
  color: var(--c-teal);
}

/* —— 01 客户端下载 Hero —— */
.page-products .hero-download{
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5rem);
  background:
    repeating-linear-gradient(0deg, rgba(46, 42, 38, .03) 0 1px, transparent 1px 8px),
    var(--c-cream);
  overflow: hidden;
}
.page-products .hero-download::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: .4rem;
  background: linear-gradient(90deg, var(--c-teal) 0 55%, var(--c-yellow) 55% 75%, var(--c-orange) 75%);
  z-index: 2;
}
.page-products .hero-download__inner{
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.page-products .hero-download__kicker{
  margin-bottom: .5rem;
}
.page-products .hero-download__title{
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.7rem, 4vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  max-width: 20em;
}
.page-products .hero-download__title-sub{
  display: block;
  font-weight: 700;
  font-size: .68em;
  color: var(--c-teal);
  margin-top: .4rem;
}
.page-products .hero-download__lead{
  font-size: 1rem;
  color: var(--c-brown);
  margin: 0;
  max-width: 48ch;
}
.page-products .hero-download__meta{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.25rem;
}
.page-products .hero-download__note{
  font-size: .85rem;
  color: var(--c-brown);
  margin: 1.25rem 0 0;
  max-width: 52ch;
}
.page-products .hero-download__note a{
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.page-products .hero-download__visual{
  position: relative;
}

/* 下载按钮组 */
.page-products .download-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 1.75rem;
}
.page-products .download-card{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: .85rem .9rem;
  font-family: var(--font-sans);
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease;
}
.page-products .download-card__icon{
  width: 1.1rem;
  height: 1.1rem;
  flex: none;
}
.page-products .download-card__action{
  font-size: .8rem;
  opacity: .8;
}
.page-products .download-card:hover{
  transform: translateY(-3px) rotate(-1deg);
  box-shadow: 0 10px 22px rgba(46, 42, 38, .16);
}
.page-products .download-card:active{
  transform: translateY(1px) scale(.97);
  transition-duration: .05s;
}

/* 设备框 */
.page-products .device-frame{
  position: relative;
  margin: 0;
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: 0 16px 32px rgba(46, 42, 38, .12);
}
.page-products .device-frame__bar{
  display: block;
  height: 8px;
  background: linear-gradient(90deg, var(--c-teal) 0 55%, var(--c-yellow) 55% 75%, var(--c-orange) 75%);
}
.page-products .device-frame__img{
  width: 100%;
  object-fit: cover;
}
.page-products .device-frame .caption{
  padding: .5rem .75rem;
  margin: 0;
  border-top: 1px solid var(--c-border);
  color: var(--c-brown);
}

/* 速度线 SVG */
.page-products .hero-download__speed{
  position: absolute;
  right: -18px;
  bottom: -18px;
  width: 140px;
  height: 140px;
  opacity: .4;
  pointer-events: none;
}
.page-products .hero-download__speed-path{
  fill: none;
  stroke-linecap: round;
  stroke-width: 4;
}
.page-products .hero-download__speed-path--a{
  stroke: var(--c-yellow);
}
.page-products .hero-download__speed-path--b{
  stroke: var(--c-orange);
}
.page-products .hero-download__speed-path--c{
  stroke: var(--c-teal);
  stroke-width: 3;
}

/* —— 02 导航更新说明 —— */
.page-products .nav-guide{
  background: var(--c-teal-light);
  padding: clamp(3rem, 7vw, 5rem) 0;
}
.page-products .nav-guide__layout{
  display: grid;
  gap: 2rem;
}

/* 步骤列表 */
.page-products .steps-list{
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  border-top: 3px solid var(--c-teal);
}
.page-products .steps-list__item{
  display: flex;
  gap: .9rem;
  padding: 1.1rem .25rem;
  border-bottom: 1px solid var(--c-border);
}
.page-products .steps-list__num{
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.8rem;
  line-height: 1.1;
  color: rgba(14, 122, 128, .14);
  -webkit-text-stroke: 1.5px rgba(14, 122, 128, .9);
  min-width: 1.6em;
}
.page-products .steps-list__item h3{
  font-family: var(--font-sans);
  font-size: 1.05rem;
  margin: 0 0 .35rem;
}
.page-products .steps-list__item p{
  margin: 0;
  font-size: .95rem;
  color: var(--c-brown);
}

/* 侧栏演示 */
.page-products .side-demo{
  background: #fff;
  border: 1px solid var(--c-teal-mid);
  margin-bottom: 1.5rem;
}
.page-products .side-demo__trigger{
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 1rem;
  background: var(--c-teal-light);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: .92rem;
  color: var(--c-dark);
  list-style: none;
}
.page-products .side-demo__trigger::-webkit-details-marker{
  display: none;
}
.page-products .side-demo__trigger::before{
  content: "";
  width: 0;
  height: 0;
  border-left: 6px solid var(--c-teal);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform .2s ease;
}
.page-products .side-demo[open] .side-demo__trigger::before{
  transform: rotate(90deg);
}
.page-products .side-demo__panel{
  padding: 1rem;
  border-top: 1px solid var(--c-border);
}
.page-products .side-demo__sidebar{
  background: var(--c-teal-light);
  border-left: 4px solid var(--c-teal);
  padding: 1rem;
}
.page-products .side-demo__eyebrow{
  display: block;
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 700;
  color: var(--c-teal);
  margin-bottom: .5rem;
}
.page-products .side-demo__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .35rem;
}
.page-products .side-demo__item{
  font-size: .9rem;
  padding: .45rem .6rem;
  background: #fff;
  color: var(--c-dark);
  display: flex;
  align-items: center;
  gap: .45rem;
}
.page-products .side-demo__item--active{
  background: var(--c-yellow);
  font-weight: 700;
}
.page-products .side-demo__dot{
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--c-teal);
  flex: none;
}
.page-products .side-demo__note{
  margin: .9rem 0 0;
  font-size: .85rem;
  color: var(--c-brown);
}
.page-products .nav-guide__shot{
  background: #fff;
  border-color: var(--c-border);
}
.page-products .nav-guide__shot img{
  width: 100%;
  object-fit: cover;
}

/* —— 03 常见下载问题 —— */
.page-products .faq-section{
  padding: clamp(3rem, 7vw, 5rem) 0;
}
.page-products .faq-layout{
  display: grid;
  gap: 2rem;
}
.page-products .faq-layout__aside{
  display: grid;
  align-content: start;
  gap: 1.25rem;
}
.page-products .notice__title{
  font-family: var(--font-sans);
  font-weight: 700;
  margin: 0 0 .5rem;
}
.page-products .notice ol{
  margin: 0;
  padding-left: 1.2rem;
  font-size: .92rem;
}
.page-products .faq-accordion{
  border-top: 3px solid var(--c-teal);
}

/* —— 04 平台功能对比 —— */
.page-products .platform-compare{
  background: var(--c-dark);
  color: var(--c-cream);
  padding: clamp(3rem, 7vw, 5rem) 0;
}
.page-products .platform-cover{
  margin: 0 0 2rem;
  border: 1px solid rgba(250, 246, 240, .25);
  background: rgba(250, 246, 240, .04);
}
.page-products .platform-cover img{
  width: 100%;
  object-fit: cover;
}
.page-products .platform-cover .caption{
  padding: .5rem .75rem;
  margin: 0;
  border-top: 1px solid rgba(250, 246, 240, .25);
  color: rgba(250, 246, 240, .75);
}

/* 对比表 */
.page-products .table-scroll{
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--c-border);
  margin: 0 0 1.5rem;
}
.page-products .feature-table{
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: .92rem;
  background: #fff;
}
.page-products .feature-table th,
.page-products .feature-table td{
  padding: .9rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--c-border);
}
.page-products .feature-table thead th{
  background: var(--c-teal);
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
}
.page-products .feature-table th[scope="row"]{
  text-align: left;
  background: var(--c-cream);
  color: var(--c-dark);
  font-weight: 700;
}
.page-products .feature-table td{
  color: var(--c-dark);
}
.page-products .feature-table tbody tr:last-child th,
.page-products .feature-table tbody tr:last-child td{
  border-bottom: none;
}
.page-products .feature-table__highlight td,
.page-products .feature-table__highlight th{
  background: var(--c-yellow);
  color: var(--c-dark);
  font-weight: 700;
}

/* 平台可切换要点 */
.page-products .platform-notes{
  display: grid;
  gap: .75rem;
  margin: 1.5rem 0;
}
.page-products .platform-note{
  border: 1px solid rgba(250, 246, 240, .2);
  background: rgba(250, 246, 240, .06);
}
.page-products .platform-note__summary{
  list-style: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: .9rem;
  color: var(--c-cream);
  padding: .85rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .5rem;
}
.page-products .platform-note__summary::-webkit-details-marker{
  display: none;
}
.page-products .platform-note__summary::after{
  content: "+";
  font-size: 1.1rem;
  color: var(--c-yellow);
  line-height: 1;
  transition: transform .2s ease;
}
.page-products .platform-note[open] .platform-note__summary::after{
  transform: rotate(45deg);
}
.page-products .platform-note p{
  margin: 0;
  padding: .25rem 1rem 1rem;
  color: rgba(250, 246, 240, .82);
  font-size: .9rem;
}
.page-products .platform-compare__note{
  font-size: .85rem;
  color: rgba(250, 246, 240, .7);
  border-top: 1px solid rgba(250, 246, 240, .2);
  padding-top: 1rem;
  margin-top: 0;
}
.page-products .platform-compare__note a{
  color: var(--c-yellow);
}

/* —— 05 使用反馈 —— */
.page-products .feedback-section{
  padding: clamp(3rem, 7vw, 5rem) 0;
}
.page-products .feedback-panel{
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-top: 6px solid var(--c-teal);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  display: grid;
  gap: 1.5rem;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.page-products .feedback-panel__visual img{
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--c-border);
}
.page-products .feedback-panel__title{
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin: .5rem 0 .8rem;
}
.page-products .feedback-panel__actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}
.page-products .feedback-panel__accent{
  position: absolute;
  top: -6px;
  right: -6px;
  width: 88px;
  height: 32px;
  background: var(--c-yellow);
}
.page-products .feedback-panel__accent::after{
  content: "";
  position: absolute;
  right: -16px;
  top: 0;
  border: 16px solid transparent;
  border-left-color: var(--c-orange);
  border-right-width: 0;
}

/* —— 响应式栅格 —— */
@media (min-width: 768px){
  .page-products .hero-download__speed{
    width: 180px;
    height: 180px;
  }
  .page-products .faq-layout{
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2rem;
  }
  .page-products .platform-notes{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .feedback-panel{
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 1024px){
  .page-products .hero-download__inner{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 4rem;
  }
  .page-products .nav-guide__layout{
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 3rem;
  }
  .page-products .faq-layout{
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 3rem;
  }
  .page-products .feedback-panel{
    grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr);
    gap: 3rem;
  }
}