/* ==========================================================================
   blocks.css — 站头 / Hero / 样机 / 数据条 / 页头 / 下载区 / 平台卡 / 页脚
   ⚠️ 本文件内的组件 @media 必须紧跟组件定义，否则会被后加载的规则盖掉
   ========================================================================== */

/* ============================ 站头 ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-7);
  height: var(--header-h);
}

.hd__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.hd__logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.hd__name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--sp-7);
}

.nav__link {
  position: relative;
  font-size: 15px;
  color: var(--text-body);
  padding-block: 4px;
  transition: color var(--duration) ease;
}

.nav__link:hover {
  color: var(--text);
}

.nav__link[aria-current="page"] {
  color: var(--brand-ink);
  font-weight: 600;
}

.hd__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: 0 0 auto;
}

/* 窄屏：桌面导航收起，汉堡接手。汉堡元素始终在 DOM 里，桌面隐藏 */
.hd__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  color: var(--text);
}

.hd__toggle:hover {
  background: var(--bg-soft);
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-3) var(--sp-5) var(--sp-5);
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 48px -28px rgba(24, 24, 27, 0.4);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .nav[data-open="true"] {
    display: flex;
  }

  .nav__link {
    padding-block: 14px;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

  .nav__link:last-child {
    border-bottom: 0;
  }

  .hd__toggle {
    display: inline-flex;
  }

  .hd__cta {
    display: none;
  }
}

@media (max-width: 420px) {
  .hd__name {
    font-size: 17px;
  }
  .hd__logo {
    width: 30px;
    height: 30px;
  }
}

/* ============================ Hero ============================ */
.hero {
  padding-block: var(--sp-11) var(--sp-9);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 548px;
  gap: var(--sp-10);
  align-items: center;
}

.hero__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-7);
  min-width: 0;
}

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--text);
}

.hero__lead {
  max-width: 520px;
  font-size: var(--fs-lead);
  line-height: 1.8;
  color: var(--text-body);
}

.hero__meta {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.hero__aside {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 红色光晕，纯装饰 */
.hero__glow {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: var(--brand-surface);
  filter: blur(80px);
  opacity: 0.9;
  pointer-events: none;
}

@media (max-width: 1180px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: var(--sp-8);
  }
}

@media (max-width: 900px) {
  .hero {
    padding-block: var(--sp-9) var(--sp-8);
  }
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-9);
    justify-items: center;
    text-align: center;
  }
  .hero__body {
    align-items: center;
  }
  .hero__lead {
    margin-inline: auto;
  }
}

@media (max-width: 560px) {
  .hero__body {
    gap: var(--sp-5);
  }
  .hero__title {
    font-size: clamp(30px, 8.6vw, 38px);
    line-height: 1.18;
  }
}

/* ============================ 手机样机 ============================ */
.media--phone {
  position: relative;
  z-index: 1;
  width: 300px;
  padding: 10px;
  border-radius: 44px;
  background: #18181b;
  box-shadow: 0 28px 56px -14px rgba(24, 24, 27, 0.24), 0 6px 16px -4px rgba(24, 24, 27, 0.12);
}

.media--phone__screen {
  position: relative;
  aspect-ratio: 280 / 600;
  overflow: hidden;
  border-radius: 36px;
  background: #0d0d0f;
}

/* :not() 是必要的：__logo 也是直接子级 img，否则会被这条规则整屏拉满 */
.media--phone__screen > img:not(.media--phone__logo) {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--phone__shade {
  position: absolute;
  inset: auto 0 0;
  height: 55%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0));
}

.media--phone__logo {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.media--phone__meta {
  position: absolute;
  inset: auto 18px 18px;
}

.media--phone__title {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.media--phone__sub {
  margin-top: 4px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
}

.media--phone__track {
  position: relative;
  height: 3px;
  margin-top: 16px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.26);
}

.media--phone__track > span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 68%;
  border-radius: 2px;
  background: #ff4a52;
}

/* 悬浮提醒卡 */
.media--phone__float {
  position: absolute;
  left: -34px;
  bottom: 118px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 208px;
  padding: 11px;
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-float);
}

.media--phone__float img {
  width: 40px;
  height: 52px;
  border-radius: 6px;
  object-fit: cover;
  flex: 0 0 auto;
}

.media--phone__float-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.media--phone__float-sub {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .media--phone {
    width: 268px;
  }
  .media--phone__float {
    left: -20px;
    width: 192px;
  }
}

@media (max-width: 900px) {
  .media--phone {
    width: 246px;
  }
  .media--phone__float {
    display: none;
  }
}

/* ============================ 数据条 ============================ */
.data-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  padding-top: var(--sp-6);
  margin-top: var(--sp-6);
}

.data-bar__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-inline: var(--sp-6);
  border-left: 1px solid var(--line);
}

.data-bar__item:first-child {
  padding-inline: 0;
  border-left: 0;
}

.data-bar__value {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.data-bar__label {
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .data-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-5) 0;
  }
  .data-bar__item {
    padding-inline: var(--sp-5);
  }
  .data-bar__item:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 560px) {
  .data-bar__item {
    padding-inline: var(--sp-4);
  }
  .data-bar__value {
    font-size: 15px;
  }
}

/* ============================ 页头（内页） ============================ */
.page-hero {
  padding-block: var(--sp-10) var(--sp-9);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}

.page-hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  max-width: 760px;
}

.page-hero__title {
  font-size: calc(var(--fs-h1) * 0.78);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-hero__lead {
  font-size: var(--fs-lead);
  line-height: 1.8;
  color: var(--text-body);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.crumbs a:hover {
  color: var(--brand-ink);
}

.crumbs__sep {
  color: var(--line-strong);
}

@media (max-width: 720px) {
  .page-hero {
    padding-block: var(--sp-7) var(--sp-7);
  }
  .page-hero__title {
    font-size: 27px;
  }
}

/* ============================ 下载区 ============================ */
.dl-band {
  background: var(--brand);
  color: #fff;
  padding-block: var(--sp-10);
}

.dl-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: var(--sp-10);
  align-items: center;
}

.dl-band__title {
  font-size: calc(var(--fs-h2) * 1.06);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: #fff;
}

.dl-band__lead {
  max-width: 500px;
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.86);
}

.dl-card {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  padding: var(--sp-6);
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: 0 24px 48px -18px rgba(80, 6, 10, 0.4);
}

.dl-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  flex: 1 1 auto;
}

.dl-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.dl-card__note {
  font-size: 11.5px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .dl-band__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-7);
  }
  .dl-band__lead {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .dl-band {
    padding-block: var(--sp-9);
  }
  .dl-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--sp-5);
    gap: var(--sp-4);
  }
  .dl-card__body {
    width: 100%;
  }
}

/* ============================ 平台卡 ============================ */
.plat {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-6);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--line);
}

.plat--featured {
  box-shadow: inset 0 0 0 1px var(--brand), 0 16px 34px -24px rgba(199, 30, 38, 0.7);
}

.plat__head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.plat__name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.plat__ver {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.plat__list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: var(--fs-sm);
  color: var(--text-body);
  line-height: 1.6;
}

.plat__list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: var(--sp-2);
}

.plat__list dt,
.plat__list span:first-child {
  color: var(--text-muted);
}

.plat__foot {
  margin-top: auto;
  padding-top: var(--sp-2);
}

/* ============================ 页脚 ============================ */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-invert);
  padding-block: var(--sp-10) var(--sp-6);
}

.foot__top {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-10);
  padding-bottom: var(--sp-8);
}

.foot__brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  max-width: 320px;
}

.foot__mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.foot__logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.foot__name {
  font-size: 18px;
  font-weight: 700;
  color: #fafafa;
}

.foot__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-invert-mute);
}

.foot__cols {
  display: flex;
  gap: var(--sp-10);
}

.foot__col {
  display: flex;
  flex-direction: column;
  gap: 11px;
  min-width: 96px;
}

.foot__col-title {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-invert-mute);
}

.foot__link {
  font-size: 13.5px;
  color: #d4d4d8;
  transition: color var(--duration) ease;
}

.foot__link:hover {
  color: #fff;
}

.foot__bottom {
  padding-top: var(--sp-5);
  border-top: 1px solid var(--bg-dark-2);
  font-size: 12.5px;
  color: var(--text-invert-mute);
}

@media (max-width: 900px) {
  .foot__top {
    flex-direction: column;
    gap: var(--sp-8);
  }
  .foot__cols {
    gap: var(--sp-6);
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  .site-footer {
    padding-block: var(--sp-8) var(--sp-5);
  }
  .foot__col {
    min-width: 84px;
  }
}