.page-products {
  --prod-aside: 300px;
  --prod-line: rgba(28, 36, 48, 0.12);
  background: var(--snow);
  color: var(--ink-900);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  line-height: 1.25;
}

.page-products p {
  margin: 0;
}

.page-products .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products .link-underline {
  color: var(--sky-900);
  text-decoration: none;
  border-bottom: 1px solid var(--sky-500);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .link-underline:hover {
  color: var(--red-500);
  border-bottom-color: var(--red-500);
}

/* ---------- 面包屑 ---------- */
.page-products .prod-crumb {
  padding-block: 20px 6px;
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-500);
}

.page-products .breadcrumb__link {
  color: var(--sky-900);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

.page-products .breadcrumb__link:hover {
  border-bottom-color: var(--sky-500);
}

.page-products .breadcrumb__sep {
  color: var(--sky-500);
}

/* ---------- 顶部布局 ---------- */
.page-products .prod-top__inner {
  display: block;
  padding-bottom: 8px;
}

.page-products .prod-aside {
  margin-top: 24px;
}

@media (min-width: 1024px) {
  .page-products .prod-top__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--prod-aside);
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
  }

  .page-products .prod-aside {
    margin-top: 0;
    position: sticky;
    top: 24px;
  }
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 44px);
  background: var(--grad-band);
  border: 1px solid var(--sky-100);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
  display: grid;
  gap: 28px;
}

.page-products .prod-hero__text {
  position: relative;
  z-index: 2;
}

.page-products .label-plate {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  line-height: 1.5;
  color: var(--ink-500);
  padding: 5px 10px;
  background: rgba(230, 242, 255, 0.72);
  border: 1px solid var(--sky-100);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: border-color 0.12s var(--ease);
}

.page-products .label-plate:hover {
  border-color: var(--sky-500);
}

.page-products .prod-hero h1 {
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 50px);
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .prod-hero .lede {
  margin-top: 16px;
  font-size: 16px;
  color: var(--ink-500);
  max-width: 46ch;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease), border-color 0.12s var(--ease);
}

.page-products .btn--sky {
  background: var(--sky-500);
  color: #ffffff;
}

.page-products .btn--sky:hover {
  background: var(--sky-900);
}

.page-products .btn--ghost {
  background: transparent;
  border-color: var(--sky-500);
  color: var(--sky-900);
}

.page-products .btn--ghost:hover {
  background: var(--sky-100);
}

.page-products .prod-copy {
  margin-top: 18px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sky-900);
  background: transparent;
  border: 1px dashed var(--sky-500);
  cursor: pointer;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

.page-products .prod-copy:hover {
  background: var(--sky-500);
  color: #ffffff;
}

.page-products .prod-hero__visual {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__num {
  position: absolute;
  right: -6px;
  top: -34px;
  font-family: var(--font-mono);
  font-size: clamp(88px, 14vw, 132px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--sky-500);
  opacity: 0.14;
  transform: skewX(-6deg);
  pointer-events: none;
  z-index: 0;
}

.page-products .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--sky-100);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.page-products .media-frame img {
  width: 100%;
  object-fit: cover;
}

.page-products .media-frame__caption {
  padding: 10px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
  background: rgba(253, 253, 251, 0.92);
}

@media (min-width: 880px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 36px;
  }
}

/* ---------- 右侧版本牌 ---------- */
.page-products .prod-version {
  background: var(--snow);
  border: 1px solid var(--sky-100);
  padding: 22px;
  clip-path: var(--chamfer);
}

.page-products .prod-version__num {
  margin: 10px 0 14px;
  font-family: var(--font-mono);
  font-size: 54px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--sky-900);
}

.page-products .prod-version__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-version__list > div {
  border-top: 1px solid var(--sky-100);
  padding-top: 10px;
}

.page-products .prod-version__list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-500);
}

.page-products .prod-version__list dd {
  margin: 4px 0 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

.page-products .prod-version__link {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
}

/* ---------- 章节头 ---------- */
.page-products .chapter-head {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-products .chapter-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  line-height: 1.4;
  color: var(--red-500);
  border: 1px solid currentColor;
  padding: 3px 9px;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-products .chapter-title {
  margin-top: 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 3.6vw, 36px);
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .chapter-deck {
  margin-top: 10px;
  font-size: 16px;
  color: var(--ink-500);
  max-width: 58ch;
}

/* ---------- 变更三条 ---------- */
.page-products .prod-changes {
  padding-block: clamp(34px, 5vw, 60px) clamp(8px, 2vw, 16px);
}

.page-products .prod-changes__list {
  display: grid;
  gap: 14px;
}

.page-products .prod-change {
  padding: 20px;
  background: var(--snow);
  border: 1px solid var(--sky-100);
  clip-path: var(--chamfer);
  transition: border-color 0.12s var(--ease), background-color 0.15s var(--ease);
}

.page-products .prod-change:hover {
  border-color: var(--sky-500);
  background: linear-gradient(rgba(232, 181, 74, 0.08), rgba(232, 181, 74, 0.08)), var(--snow);
}

.page-products .prod-change h3 {
  margin-top: 14px;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-products .prod-change p:last-child {
  margin-top: 8px;
  font-size: 15px;
  color: var(--ink-500);
}

@media (min-width: 680px) {
  .page-products .prod-changes__list {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
  }
}

/* ---------- 功能模块 ---------- */
.page-products .prod-mods {
  background: var(--sky-100);
  padding-block: clamp(42px, 6vw, 78px);
  margin-top: clamp(40px, 6vw, 76px);
}

.page-products .mods__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .mods__tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-products .mods__tab {
  flex: 0 0 auto;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--sky-900);
  background: rgba(253, 253, 251, 0.72);
  border: 1px solid rgba(30, 144, 255, 0.2);
  cursor: pointer;
  clip-path: var(--chamfer);
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease), border-color 0.12s var(--ease);
}

.page-products .mods__tab:hover {
  background: var(--snow);
  border-color: var(--sky-500);
}

.page-products .mods__radio:focus-visible ~ .mods__tabs .mods__tab {
  outline: 2px solid var(--red-500);
  outline-offset: 2px;
}

.page-products #mod-data:checked ~ .mods__tabs .mods__tab[for="mod-data"],
.page-products #mod-schedule:checked ~ .mods__tabs .mods__tab[for="mod-schedule"],
.page-products #mod-rank:checked ~ .mods__tabs .mods__tab[for="mod-rank"],
.page-products #mod-fav:checked ~ .mods__tabs .mods__tab[for="mod-fav"],
.page-products #mod-member:checked ~ .mods__tabs .mods__tab[for="mod-member"] {
  background: var(--sky-900);
  border-color: var(--sky-900);
  color: var(--snow);
}

.page-products .mods__panels {
  margin-top: 20px;
}

.page-products .mods__panel {
  display: none;
  gap: 26px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--snow);
  border: 1px solid rgba(30, 144, 255, 0.2);
  clip-path: var(--chamfer);
}

.page-products #mod-data:checked ~ .mods__panels #panel-data,
.page-products #mod-schedule:checked ~ .mods__panels #panel-schedule,
.page-products #mod-rank:checked ~ .mods__panels #panel-rank,
.page-products #mod-fav:checked ~ .mods__panels #panel-fav,
.page-products #mod-member:checked ~ .mods__panels #panel-member {
  display: grid;
}

.page-products .mods__panel h3 {
  margin-top: 14px;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-products .mods__panel p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--ink-500);
}

.page-products .mods__body ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .mods__body li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  color: var(--ink-500);
}

.page-products .mods__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--red-500);
}

.page-products .mods__facts {
  margin: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .mods__facts > div {
  border-top: 1px solid var(--sky-100);
  padding-top: 10px;
}

.page-products .mods__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-500);
}

.page-products .mods__facts dd {
  margin: 4px 0 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}

@media (min-width: 720px) {
  .page-products .mods__tabs {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    overflow: visible;
  }

  .page-products .mods__tab {
    text-align: center;
  }
}

@media (min-width: 860px) {
  .page-products .mods__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

/* ---------- 登录路径 ---------- */
.page-products .prod-login {
  background: var(--sky-900);
  color: var(--snow);
  padding-block: clamp(42px, 6vw, 78px);
}

.page-products .prod-login .chapter-index {
  color: var(--barley-400);
}

.page-products .prod-login .chapter-title {
  color: var(--snow);
}

.page-products .prod-login .chapter-deck {
  color: rgba(253, 253, 251, 0.74);
}

.page-products .prod-login__figure {
  background: rgba(230, 242, 255, 0.1);
}

.page-products .prod-login__figure .media-frame__caption {
  background: rgba(11, 62, 111, 0.9);
  color: rgba(253, 253, 251, 0.78);
}

.page-products .login-steps {
  list-style: none;
  margin: clamp(26px, 3vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .login-step {
  position: relative;
  padding: 22px;
  background: rgba(253, 253, 251, 0.07);
  border: 1px solid rgba(230, 242, 255, 0.24);
  clip-path: var(--chamfer);
  transition: background-color 0.15s var(--ease), border-color 0.12s var(--ease);
}

.page-products .login-step:hover {
  background: rgba(232, 181, 74, 0.12);
  border-color: var(--barley-400);
}

.page-products .login-step::after {
  content: "";
  position: absolute;
  left: 30px;
  bottom: -18px;
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, var(--barley-400), rgba(232, 181, 74, 0.1));
  transition: background 0.15s var(--ease);
}

.page-products .login-step:last-child::after {
  display: none;
}

.page-products .login-step:hover::after {
  background: var(--barley-400);
}

.page-products .login-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--barley-400);
}

.page-products .login-step h3 {
  margin-top: 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--snow);
}

.page-products .login-step p {
  margin-top: 8px;
  font-size: 15px;
  color: rgba(253, 253, 251, 0.78);
}

.page-products .login-note {
  margin-top: 26px;
  padding: 16px 20px;
  font-size: 15px;
  color: rgba(253, 253, 251, 0.86);
  background: rgba(232, 181, 74, 0.12);
  border-left: 3px solid var(--barley-400);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

@media (min-width: 820px) {
  .page-products .login-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-products .login-step::after {
    left: auto;
    bottom: auto;
    right: -26px;
    top: 50%;
    width: 26px;
    height: 2px;
    background: linear-gradient(90deg, var(--barley-400), rgba(232, 181, 74, 0.12));
  }
}

/* ---------- 设备与系统 ---------- */
.page-products .prod-devices {
  padding-block: clamp(42px, 6vw, 78px);
}

.page-products .prod-devices__grid {
  display: grid;
  gap: 28px;
}

.page-products .compat-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .compat {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .compat thead th {
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-500);
  border-bottom: 1px solid var(--sky-100);
}

.page-products .compat tbody th {
  text-align: left;
  padding: 14px 12px;
  font-weight: 600;
  color: var(--ink-900);
  border-bottom: 1px solid var(--sky-100);
}

.page-products .compat td {
  padding: 14px 12px;
  color: var(--ink-500);
  border-bottom: 1px solid var(--sky-100);
  vertical-align: top;
}

.page-products .compat__row {
  transition: background-color 0.15s var(--ease);
}

.page-products .compat__row:hover {
  background: var(--sky-100);
}

.page-products .compat__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--sky-900);
}

.page-products .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--glacier-500);
  transform: rotate(45deg);
}

.page-products .compat__note {
  display: block;
  margin-top: 8px;
  padding-left: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-500);
  border-left: 2px solid var(--barley-400);
  max-height: 120px;
  overflow: hidden;
  transition: max-height 0.2s var(--ease), opacity 0.2s var(--ease), border-color 0.12s var(--ease);
}

@media (hover: hover) {
  .page-products .compat__note {
    max-height: 0;
    opacity: 0;
    border-left-color: transparent;
  }

  .page-products .compat__row:hover .compat__note {
    max-height: 120px;
    opacity: 1;
    border-left-color: var(--barley-400);
  }
}

@media (min-width: 900px) {
  .page-products .prod-devices__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 32px;
  }
}

/* ---------- 版本迭代 ---------- */
.page-products .prod-cycle {
  padding-block: clamp(42px, 6vw, 76px);
  background: linear-gradient(180deg, rgba(230, 242, 255, 0) 0%, rgba(230, 242, 255, 0.7) 100%);
}

.page-products .cycle-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .cycle-item {
  position: relative;
  padding: 0 0 26px 28px;
  border-left: 1px solid rgba(30, 144, 255, 0.32);
}

.page-products .cycle-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .cycle-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--sky-500);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-products .cycle-item--now::before {
  background: var(--red-500);
}

.page-products .cycle-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--red-500);
}

.page-products .cycle-item h3 {
  margin-top: 6px;
  font-size: 20px;
  font-weight: 600;
}

.page-products .cycle-item p {
  margin-top: 6px;
  font-size: 15px;
  color: var(--ink-500);
}

.page-products .prod-cycle__hint {
  margin-top: 26px;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--ink-900);
  background: rgba(232, 181, 74, 0.16);
  border-left: 3px solid var(--barley-400);
}

@media (min-width: 900px) {
  .page-products .prod-cycle__inner {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    column-gap: clamp(28px, 4vw, 60px);
    align-items: start;
  }

  .page-products .prod-cycle__inner .chapter-head {
    grid-column: 1;
    margin-bottom: 0;
    position: sticky;
    top: 24px;
  }

  .page-products .cycle-list {
    grid-column: 2;
    grid-row: 1;
  }

  .page-products .prod-cycle__hint {
    grid-column: 2;
  }
}

/* ---------- 账号与设备安全 ---------- */
.page-products .prod-security {
  padding-block: clamp(42px, 6vw, 76px) clamp(20px, 3vw, 36px);
}

.page-products .prod-security__grid {
  display: grid;
  gap: 28px;
}

.page-products .security-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-products .security-list > div {
  padding-left: 16px;
  border-left: 2px solid var(--sky-100);
  transition: border-color 0.12s var(--ease);
}

.page-products .security-list > div:hover {
  border-left-color: var(--red-500);
}

.page-products .security-list dt {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-products .security-list dd {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--ink-500);
}

.page-products .prod-security__link {
  margin-top: 22px;
  font-size: 15px;
  color: var(--ink-500);
}

@media (min-width: 900px) {
  .page-products .prod-security__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 40px;
  }
}

/* ---------- 收尾 ---------- */
.page-products .prod-close-band {
  padding-block: clamp(12px, 2vw, 24px) clamp(40px, 6vw, 72px);
}

.page-products .prod-close {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 3.6vw, 44px);
  background: var(--grad-band);
  border: 1px solid var(--sky-100);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.page-products .prod-close h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 32px);
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .prod-close p {
  margin-top: 12px;
  font-size: 15px;
  color: var(--ink-500);
  max-width: 56ch;
}

.page-products .prod-close__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-products .prod-close__link {
  font-size: 14px;
}

@media (min-width: 860px) {
  .page-products .prod-close {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-products .prod-close__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0ms !important;
  }
}

.page-products {
  --prod-aside: 300px;
  --prod-line: rgba(28, 36, 48, 0.12);
  background: var(--snow);
  color: var(--ink-900);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  line-height: 1.25;
}

.page-products p {
  margin: 0;
}

.page-products .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products .link-underline {
  color: var(--sky-900);
  text-decoration: none;
  border-bottom: 1px solid var(--sky-500);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .link-underline:hover {
  color: var(--red-500);
  border-bottom-color: var(--red-500);
}

/* ---------- 面包屑 ---------- */
.page-products .prod-crumb {
  padding-block: 20px 6px;
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-500);
}

.page-products .breadcrumb__link {
  color: var(--sky-900);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

.page-products .breadcrumb__link:hover {
  border-bottom-color: var(--sky-500);
}

.page-products .breadcrumb__sep {
  color: var(--sky-500);
}

/* ---------- 顶部布局 ---------- */
.page-products .prod-top__inner {
  display: block;
  padding-bottom: 8px;
}

.page-products .prod-aside {
  margin-top: 24px;
}

@media (min-width: 1024px) {
  .page-products .prod-top__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--prod-aside);
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
  }

  .page-products .prod-aside {
    margin-top: 0;
    position: sticky;
    top: 24px;
  }
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 44px);
  background: var(--grad-band);
  border: 1px solid var(--sky-100);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
  display: grid;
  gap: 28px;
}

.page-products .prod-hero__text {
  position: relative;
  z-index: 2;
}

.page-products .label-plate {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  line-height: 1.5;
  color: var(--ink-500);
  padding: 5px 10px;
  background: rgba(230, 242, 255, 0.72);
  border: 1px solid var(--sky-100);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: border-color 0.12s var(--ease);
}

.page-products .label-plate:hover {
  border-color: var(--sky-500);
}

.page-products .prod-hero h1 {
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 50px);
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .prod-hero .lede {
  margin-top: 16px;
  font-size: 16px;
  color: var(--ink-500);
  max-width: 46ch;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease), border-color 0.12s var(--ease);
}

.page-products .btn--sky {
  background: var(--sky-500);
  color: #ffffff;
}

.page-products .btn--sky:hover {
  background: var(--sky-900);
}

.page-products .btn--ghost {
  background: transparent;
  border-color: var(--sky-500);
  color: var(--sky-900);
}

.page-products .btn--ghost:hover {
  background: var(--sky-100);
}

.page-products .prod-copy {
  margin-top: 18px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sky-900);
  background: transparent;
  border: 1px dashed var(--sky-500);
  cursor: pointer;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

.page-products .prod-copy:hover {
  background: var(--sky-500);
  color: #ffffff;
}

.page-products .prod-hero__visual {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__num {
  position: absolute;
  right: -6px;
  top: -34px;
  font-family: var(--font-mono);
  font-size: clamp(88px, 14vw, 132px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--sky-500);
  opacity: 0.14;
  transform: skewX(-6deg);
  pointer-events: none;
  z-index: 0;
}

.page-products .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--sky-100);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.page-products .media-frame img {
  width: 100%;
  object-fit: cover;
}

.page-products .media-frame__caption {
  padding: 10px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
  background: rgba(253, 253, 251, 0.92);
}

@media (min-width: 880px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 36px;
  }
}

/* ---------- 右侧版本牌 ---------- */
.page-products .prod-version {
  background: var(--snow);
  border: 1px solid var(--sky-100);
  padding: 22px;
  clip-path: var(--chamfer);
}

.page-products .prod-version__num {
  margin: 10px 0 14px;
  font-family: var(--font-mono);
  font-size: 54px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--sky-900);
}

.page-products .prod-version__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-version__list > div {
  border-top: 1px solid var(--sky-100);
  padding-top: 10px;
}

.page-products .prod-version__list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-500);
}

.page-products .prod-version__list dd {
  margin: 4px 0 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

.page-products .prod-version__link {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
}

/* ---------- 章节头 ---------- */
.page-products .chapter-head {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-products .chapter-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  line-height: 1.4;
  color: var(--red-500);
  border: 1px solid currentColor;
  padding: 3px 9px;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-products .chapter-title {
  margin-top: 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 3.6vw, 36px);
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .chapter-deck {
  margin-top: 10px;
  font-size: 16px;
  color: var(--ink-500);
  max-width: 58ch;
}

/* ---------- 变更三条 ---------- */
.page-products .prod-changes {
  padding-block: clamp(34px, 5vw, 60px) clamp(8px, 2vw, 16px);
}

.page-products .prod-changes__list {
  display: grid;
  gap: 14px;
}

.page-products .prod-change {
  padding: 20px;
  background: var(--snow);
  border: 1px solid var(--sky-100);
  clip-path: var(--chamfer);
  transition: border-color 0.12s var(--ease), background-color 0.15s var(--ease);
}

.page-products .prod-change:hover {
  border-color: var(--sky-500);
  background: linear-gradient(rgba(232, 181, 74, 0.08), rgba(232, 181, 74, 0.08)), var(--snow);
}

.page-products .prod-change h3 {
  margin-top: 14px;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-products .prod-change p:last-child {
  margin-top: 8px;
  font-size: 15px;
  color: var(--ink-500);
}

@media (min-width: 680px) {
  .page-products .prod-changes__list {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
  }
}

/* ---------- 功能模块 ---------- */
.page-products .prod-mods {
  background: var(--sky-100);
  padding-block: clamp(42px, 6vw, 78px);
  margin-top: clamp(40px, 6vw, 76px);
}

.page-products .mods__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .mods__tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-products .mods__tab {
  flex: 0 0 auto;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--sky-900);
  background: rgba(253, 253, 251, 0.72);
  border: 1px solid rgba(30, 144, 255, 0.2);
  cursor: pointer;
  clip-path: var(--chamfer);
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease), border-color 0.12s var(--ease);
}

.page-products .mods__tab:hover {
  background: var(--snow);
  border-color: var(--sky-500);
}

.page-products .mods__radio:focus-visible ~ .mods__tabs .mods__tab {
  outline: 2px solid var(--red-500);
  outline-offset: 2px;
}

.page-products #mod-data:checked ~ .mods__tabs .mods__tab[for="mod-data"],
.page-products #mod-schedule:checked ~ .mods__tabs .mods__tab[for="mod-schedule"],
.page-products #mod-rank:checked ~ .mods__tabs .mods__tab[for="mod-rank"],
.page-products #mod-fav:checked ~ .mods__tabs .mods__tab[for="mod-fav"],
.page-products #mod-member:checked ~ .mods__tabs .mods__tab[for="mod-member"] {
  background: var(--sky-900);
  border-color: var(--sky-900);
  color: var(--snow);
}

.page-products .mods__panels {
  margin-top: 20px;
}

.page-products .mods__panel {
  display: none;
  gap: 26px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--snow);
  border: 1px solid rgba(30, 144, 255, 0.2);
  clip-path: var(--chamfer);
}

.page-products #mod-data:checked ~ .mods__panels #panel-data,
.page-products #mod-schedule:checked ~ .mods__panels #panel-schedule,
.page-products #mod-rank:checked ~ .mods__panels #panel-rank,
.page-products #mod-fav:checked ~ .mods__panels #panel-fav,
.page-products #mod-member:checked ~ .mods__panels #panel-member {
  display: grid;
}

.page-products .mods__panel h3 {
  margin-top: 14px;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-products .mods__panel p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--ink-500);
}

.page-products .mods__body ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .mods__body li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  color: var(--ink-500);
}

.page-products .mods__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--red-500);
}

.page-products .mods__facts {
  margin: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .mods__facts > div {
  border-top: 1px solid var(--sky-100);
  padding-top: 10px;
}

.page-products .mods__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-500);
}

.page-products .mods__facts dd {
  margin: 4px 0 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}

@media (min-width: 720px) {
  .page-products .mods__tabs {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    overflow: visible;
  }

  .page-products .mods__tab {
    text-align: center;
  }
}

@media (min-width: 860px) {
  .page-products .mods__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

/* ---------- 登录路径 ---------- */
.page-products .prod-login {
  background: var(--sky-900);
  color: var(--snow);
  padding-block: clamp(42px, 6vw, 78px);
}

.page-products .prod-login .chapter-index {
  color: var(--barley-400);
}

.page-products .prod-login .chapter-title {
  color: var(--snow);
}

.page-products .prod-login .chapter-deck {
  color: rgba(253, 253, 251, 0.74);
}

.page-products .prod-login__figure {
  background: rgba(230, 242, 255, 0.1);
}

.page-products .prod-login__figure .media-frame__caption {
  background: rgba(11, 62, 111, 0.9);
  color: rgba(253, 253, 251, 0.78);
}

.page-products .login-steps {
  list-style: none;
  margin: clamp(26px, 3vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .login-step {
  position: relative;
  padding: 22px;
  background: rgba(253, 253, 251, 0.07);
  border: 1px solid rgba(230, 242, 255, 0.24);
  clip-path: var(--chamfer);
  transition: background-color 0.15s var(--ease), border-color 0.12s var(--ease);
}

.page-products .login-step:hover {
  background: rgba(232, 181, 74, 0.12);
  border-color: var(--barley-400);
}

.page-products .login-step::after {
  content: "";
  position: absolute;
  left: 30px;
  bottom: -18px;
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, var(--barley-400), rgba(232, 181, 74, 0.1));
  transition: background 0.15s var(--ease);
}

.page-products .login-step:last-child::after {
  display: none;
}

.page-products .login-step:hover::after {
  background: var(--barley-400);
}

.page-products .login-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--barley-400);
}

.page-products .login-step h3 {
  margin-top: 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--snow);
}

.page-products .login-step p {
  margin-top: 8px;
  font-size: 15px;
  color: rgba(253, 253, 251, 0.78);
}

.page-products .login-note {
  margin-top: 26px;
  padding: 16px 20px;
  font-size: 15px;
  color: rgba(253, 253, 251, 0.86);
  background: rgba(232, 181, 74, 0.12);
  border-left: 3px solid var(--barley-400);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

@media (min-width: 820px) {
  .page-products .login-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-products .login-step::after {
    left: auto;
    bottom: auto;
    right: -26px;
    top: 50%;
    width: 26px;
    height: 2px;
    background: linear-gradient(90deg, var(--barley-400), rgba(232, 181, 74, 0.12));
  }
}

/* ---------- 设备与系统 ---------- */
.page-products .prod-devices {
  padding-block: clamp(42px, 6vw, 78px);
}

.page-products .prod-devices__grid {
  display: grid;
  gap: 28px;
}

.page-products .compat-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .compat {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .compat thead th {
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-500);
  border-bottom: 1px solid var(--sky-100);
}

.page-products .compat tbody th {
  text-align: left;
  padding: 14px 12px;
  font-weight: 600;
  color: var(--ink-900);
  border-bottom: 1px solid var(--sky-100);
}

.page-products .compat td {
  padding: 14px 12px;
  color: var(--ink-500);
  border-bottom: 1px solid var(--sky-100);
  vertical-align: top;
}

.page-products .compat__row {
  transition: background-color 0.15s var(--ease);
}

.page-products .compat__row:hover {
  background: var(--sky-100);
}

.page-products .compat__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--sky-900);
}

.page-products .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--glacier-500);
  transform: rotate(45deg);
}

.page-products .compat__note {
  display: block;
  margin-top: 8px;
  padding-left: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-500);
  border-left: 2px solid var(--barley-400);
  max-height: 120px;
  overflow: hidden;
  transition: max-height 0.2s var(--ease), opacity 0.2s var(--ease), border-color 0.12s var(--ease);
}

@media (hover: hover) {
  .page-products .compat__note {
    max-height: 0;
    opacity: 0;
    border-left-color: transparent;
  }

  .page-products .compat__row:hover .compat__note {
    max-height: 120px;
    opacity: 1;
    border-left-color: var(--barley-400);
  }
}

@media (min-width: 900px) {
  .page-products .prod-devices__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 32px;
  }
}

/* ---------- 版本迭代 ---------- */
.page-products .prod-cycle {
  padding-block: clamp(42px, 6vw, 76px);
  background: linear-gradient(180deg, rgba(230, 242, 255, 0) 0%, rgba(230, 242, 255, 0.7) 100%);
}

.page-products .cycle-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .cycle-item {
  position: relative;
  padding: 0 0 26px 28px;
  border-left: 1px solid rgba(30, 144, 255, 0.32);
}

.page-products .cycle-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .cycle-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--sky-500);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-products .cycle-item--now::before {
  background: var(--red-500);
}

.page-products .cycle-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--red-500);
}

.page-products .cycle-item h3 {
  margin-top: 6px;
  font-size: 20px;
  font-weight: 600;
}

.page-products .cycle-item p {
  margin-top: 6px;
  font-size: 15px;
  color: var(--ink-500);
}

.page-products .prod-cycle__hint {
  margin-top: 26px;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--ink-900);
  background: rgba(232, 181, 74, 0.16);
  border-left: 3px solid var(--barley-400);
}

@media (min-width: 900px) {
  .page-products .prod-cycle__inner {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    column-gap: clamp(28px, 4vw, 60px);
    align-items: start;
  }

  .page-products .prod-cycle__inner .chapter-head {
    grid-column: 1;
    margin-bottom: 0;
    position: sticky;
    top: 24px;
  }

  .page-products .cycle-list {
    grid-column: 2;
    grid-row: 1;
  }

  .page-products .prod-cycle__hint {
    grid-column: 2;
  }
}

/* ---------- 账号与设备安全 ---------- */
.page-products .prod-security {
  padding-block: clamp(42px, 6vw, 76px) clamp(20px, 3vw, 36px);
}

.page-products .prod-security__grid {
  display: grid;
  gap: 28px;
}

.page-products .security-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-products .security-list > div {
  padding-left: 16px;
  border-left: 2px solid var(--sky-100);
  transition: border-color 0.12s var(--ease);
}

.page-products .security-list > div:hover {
  border-left-color: var(--red-500);
}

.page-products .security-list dt {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-products .security-list dd {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--ink-500);
}

.page-products .prod-security__link {
  margin-top: 22px;
  font-size: 15px;
  color: var(--ink-500);
}

@media (min-width: 900px) {
  .page-products .prod-security__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 40px;
  }
}

/* ---------- 收尾 ---------- */
.page-products .prod-close-band {
  padding-block: clamp(12px, 2vw, 24px) clamp(40px, 6vw, 72px);
}

.page-products .prod-close {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 3.6vw, 44px);
  background: var(--grad-band);
  border: 1px solid var(--sky-100);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.page-products .prod-close h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 32px);
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .prod-close p {
  margin-top: 12px;
  font-size: 15px;
  color: var(--ink-500);
  max-width: 56ch;
}

.page-products .prod-close__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-products .prod-close__link {
  font-size: 14px;
}

@media (min-width: 860px) {
  .page-products .prod-close {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-products .prod-close__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0ms !important;
  }
}