/* ===== 功能中心 /products/ 页面专属样式 ===== */

.page-products {
  --pd-gap: clamp(20px, 3.4vw, 46px);
  --pd-pad: clamp(18px, 3vw, 30px);
  --pd-accent: var(--gold);
  color: var(--text);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding: clamp(16px, 3vw, 28px) 0 0;
  font-size: 13px;
  color: var(--muted);
}
.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(24px, 5vw, 58px) 0 clamp(28px, 6vw, 70px);
}
.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: -10% -12% auto -12%;
  height: 124%;
  background:
    radial-gradient(520px 300px at 14% 12%, rgba(79, 227, 208, .15), transparent 68%),
    radial-gradient(540px 360px at 86% 32%, rgba(242, 196, 107, .13), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.page-products .pd-hero .wrap {
  position: relative;
  z-index: 1;
}
.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 50px);
  align-items: start;
}
.page-products .pd-hero h1 {
  margin: 14px 0 0;
  font-family: var(--f-sans);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: .004em;
  color: var(--text);
}
.page-products .pd-hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.page-products .pd-hero__text {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pd-hero__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 模块索引 ---------- */
.page-products .pd-index {
  position: relative;
  padding: var(--pd-pad);
  background: linear-gradient(158deg, rgba(20, 26, 69, .94), rgba(11, 16, 48, .78));
  box-shadow: var(--shadow);
  clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
  overflow: hidden;
}
.page-products .pd-index::after {
  content: "";
  position: absolute;
  left: var(--pd-pad);
  right: var(--pd-pad);
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--gold), transparent);
}
.page-products .pd-index__cap {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.page-products .pd-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .pd-index__list li + li {
  border-top: 1px dashed var(--line-soft);
}
.page-products .pd-index__list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 2px;
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}
.page-products .pd-index__list a:hover,
.page-products .pd-index__list a:focus-visible {
  color: var(--gold-hi);
  padding-left: 8px;
}
.page-products .pd-index__list .mono {
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--gold);
}
.page-products .pd-index__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}
.page-products .pd-index__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 208, .4);
  transition: color var(--t-fast) var(--ease);
}
.page-products .pd-index__foot a:hover,
.page-products .pd-index__foot a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-sec {
  position: relative;
  padding: clamp(38px, 7vw, 88px) 0;
}
.page-products .pd-sec--line::before {
  content: "";
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-soft), transparent);
}
.page-products .section-head {
  max-width: 76ch;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}
.page-products .section-head__no {
  display: inline-block;
  font-size: clamp(15px, 1.6vw, 18px);
  letter-spacing: .18em;
  color: var(--gold);
}
.page-products .section-head__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  color: var(--text);
}
.page-products .section-head__desc {
  margin: 12px 0 0;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 两栏切分 ---------- */
.page-products .pd-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  align-items: start;
}

/* ---------- 三步路径 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .pd-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: clamp(16px, 2.4vw, 22px) clamp(16px, 2.4vw, 22px);
  border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, var(--gold-wash), rgba(11, 16, 48, 0) 78%);
  transition: background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.page-products .pd-step:hover {
  border-left-color: var(--gold-hi);
  background: linear-gradient(90deg, rgba(242, 196, 107, .18), rgba(11, 16, 48, 0) 82%);
}
.page-products .pd-step__no {
  font-size: 20px;
  line-height: 1.15;
  color: var(--gold);
}
.page-products .pd-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.page-products .pd-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 图片 ---------- */
.page-products .pd-figure {
  margin: 0;
}
.page-products .pd-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--ink-800);
  box-shadow: var(--shadow);
}
.page-products .pd-figure--cut img {
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
}
.page-products .pd-figure--wide {
  margin-bottom: clamp(24px, 4vw, 42px);
}
.page-products .pd-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 分段切换 ---------- */
.page-products .tabs {
  position: relative;
}
.page-products .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 2.6vw, 26px);
}
.page-products .tabs__btn {
  appearance: none;
  cursor: pointer;
  font-family: var(--f-sans);
  font-size: 14.5px;
  line-height: 1;
  padding: 12px 22px;
  color: var(--muted);
  background: rgba(20, 26, 69, .72);
  border: 1px solid var(--line);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.page-products .tabs__btn:hover {
  color: var(--gold-hi);
  border-color: var(--gold);
}
.page-products .tabs__btn[aria-selected="true"] {
  color: var(--ink-900);
  font-weight: 700;
  background: linear-gradient(120deg, var(--gold-hi), var(--gold));
  border-color: var(--gold);
}
.page-products .tabs__btn[aria-selected="true"]:hover {
  color: var(--ink-900);
}
.page-products .tabs__btn:focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: 3px;
}
.page-products .tabs__panel[hidden] {
  display: none;
}

/* ---------- 视图面板 ---------- */
.page-products .pd-view {
  padding: var(--pd-pad);
  background: linear-gradient(150deg, rgba(20, 26, 69, .86), rgba(11, 16, 48, .6));
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}
.page-products .pd-view__lead {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}
.page-products .pd-view__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .pd-view__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}
.page-products .pd-view__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}
.page-products .pd-view__tail {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 提示行 ---------- */
.page-products .pd-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  background: rgba(79, 227, 208, .07);
  border-left: 2px solid var(--cyan);
}
.page-products .pd-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 208, .45);
  transition: color var(--t-fast) var(--ease);
}
.page-products .pd-note a:hover,
.page-products .pd-note a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}
.page-products .pd-note--inset {
  margin-top: 22px;
}

/* ---------- 路径对照 ---------- */
.page-products .pd-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}
.page-products .pd-compare__col {
  padding: var(--pd-pad);
  background: linear-gradient(158deg, rgba(20, 26, 69, .9), rgba(11, 16, 48, .72));
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
  transition: opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
}
.page-products .pd-compare__col--old {
  --pd-accent: var(--muted);
}
.page-products .pd-compare__col--new {
  --pd-accent: var(--gold);
  background: linear-gradient(158deg, rgba(242, 196, 107, .13), rgba(20, 26, 69, .88) 52%, rgba(11, 16, 48, .74));
}
.page-products .pd-compare__col:focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: 3px;
}
.page-products .pd-compare__tag {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--pd-accent, var(--muted));
}
.page-products .pd-compare__col h3 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.page-products .pd-route {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-products .pd-route li {
  position: relative;
  padding: 11px 14px 11px 36px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
  background: rgba(11, 16, 48, .58);
}
.page-products .pd-route li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--line);
  transform: translateY(-50%) rotate(45deg);
}
.page-products .pd-route--now li {
  color: var(--text);
}
.page-products .pd-route--now li::before {
  background: var(--gold);
  border-color: var(--gold-hi);
}
.page-products .pd-route--now .mono {
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}
.page-products .pd-compare__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}
.page-products .pd-compare__mid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--gold);
}
.page-products .pd-compare__arrow {
  font-size: 22px;
  transform: rotate(90deg);
}
.page-products .pd-compare__delta {
  font-size: 13px;
  letter-spacing: .14em;
  padding: 6px 14px;
  border: 1px solid rgba(242, 196, 107, .5);
  color: var(--gold-hi);
  background: var(--gold-wash);
}

/* ---------- 功能要点列表 ---------- */
.page-products .pd-feat {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .pd-feat li {
  padding: 18px 20px;
  background: rgba(20, 26, 69, .55);
  border-left: 2px solid var(--line);
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}
.page-products .pd-feat li:hover {
  border-left-color: var(--cyan);
  background: rgba(20, 26, 69, .78);
}
.page-products .pd-feat__t {
  display: block;
  margin-bottom: 7px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--gold);
}
.page-products .pd-feat p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 帮助文档统计 ---------- */
.page-products .pd-docs__stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .pd-docs__num {
  font-size: clamp(52px, 11vw, 88px);
  line-height: .9;
  font-weight: 700;
  color: var(--gold);
}
.page-products .pd-docs__lbl {
  font-size: 16px;
  color: var(--muted);
}

/* ---------- 场景清单 ---------- */
.page-products .pd-recipe {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .pd-recipe li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}
.page-products .pd-recipe .mono {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

/* ---------- 收尾行动区 ---------- */
.page-products .pd-cta {
  position: relative;
  margin-top: clamp(10px, 3vw, 30px);
  padding: clamp(34px, 6vw, 72px) 0 clamp(44px, 7vw, 88px);
}
.page-products .pd-cta::before {
  content: "";
  position: absolute;
  inset: 0 var(--gutter);
  background: linear-gradient(140deg, rgba(20, 26, 69, .92), rgba(11, 16, 48, .55));
  clip-path: polygon(24px 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%, 0 24px);
  z-index: 0;
}
.page-products .pd-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
}
.page-products .pd-cta__text h2 {
  margin: 0;
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
}
.page-products .pd-cta__text p {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pd-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
  .page-products .pd-compare {
    grid-template-columns: minmax(0, 1fr) 96px minmax(0, 1fr);
    gap: 10px;
  }
  .page-products .pd-compare__mid {
    flex-direction: column;
  }
  .page-products .pd-compare__arrow {
    transform: rotate(0deg);
  }
  .page-products .pd-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .page-products .pd-cta__links {
    justify-content: flex-end;
  }
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 920px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
  .page-products .pd-split--flip > .pd-split__media {
    order: -1;
  }
  .page-products .pd-split__media img {
    max-width: 100%;
  }
  .page-products .pd-split__media {
    max-width: 460px;
  }
  .page-products .pd-split--flip > .pd-split__body {
    padding-left: clamp(0px, 1vw, 12px);
  }
}

/* ---------- 悬停高亮对照 ---------- */
@media (hover: hover) and (pointer: fine) {
  .page-products .pd-compare:hover .pd-compare__col {
    opacity: .62;
  }
  .page-products .pd-compare .pd-compare__col:hover,
  .page-products .pd-compare .pd-compare__col:focus-within {
    opacity: 1;
    transform: translateY(-5px);
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pd-step,
  .page-products .pd-feat li,
  .page-products .pd-compare__col,
  .page-products .tabs__btn,
  .page-products .pd-index__list a {
    transition: none;
  }
  .page-products .pd-compare .pd-compare__col:hover,
  .page-products .pd-compare .pd-compare__col:focus-within {
    transform: none;
  }
}