/* =====================================================================
   Seventour — car electronics storefront
   Visual language derived from an observed reference storefront:
   light blue-grey canvas, big product photography, tight bold headlines,
   pill buttons, generous rounding, restrained motion.
   ===================================================================== */

/* ------------------------------ tokens ------------------------------ */
:root {
  --bg: #f2f6f9;
  --bg-card: #fafafa;
  --surface: #ffffff;
  --ink: #171717;
  --ink-60: rgba(23, 23, 23, 0.62);
  --ink-40: rgba(23, 23, 23, 0.42);
  --ink-16: rgba(23, 23, 23, 0.16);
  --line: rgba(23, 23, 23, 0.11);
  --dark: #171717;
  --dark-soft: #2e3134;
  --announce: #2e3134;
  --accent: #d81b3f;
  --accent-soft: #fdecef;
  --radius-card: clamp(10px, 1.053vw, 20px);
  --radius-lg: clamp(16px, 1.58vw, 30px);
  --radius-sm: 8px;
  --shadow-pop: 0 24px 60px rgba(12, 18, 24, 0.18);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t: 0.28s var(--ease);

  --fs-display: clamp(2rem, 3.368vw, 4rem);
  --fs-section: clamp(1.5rem, 2.526vw, 3rem);
  --fs-sub: clamp(1.25rem, 1.85vw, 2rem);
  --fs-eyebrow: clamp(1rem, 1.157vw, 1.375rem);
  --fs-btn: clamp(0.875rem, 1.06vw, 1.25rem);
  --fs-marquee: clamp(1.75rem, 4.4vw, 5.25rem);
  --fs-xs: 0.8125rem;
  --fs-2xs: 0.6875rem;

  --header-h: 62px;
  --topbar-h: 48px;
  --pad: 20px;
  --gap: 18px;
}
@media (min-width: 992px) {
  :root {
    --header-h: 77px;
    --pad: 48px;
  }
}

/* ------------------------------ reset ------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
/* background/border 必须重置，否则 <button> 会保留浏览器默认的灰色底 + outset 边框 */
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
svg { display: block; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 4px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 90;
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 999px;
  transition: top var(--t);
}
.skip-link:focus { top: 12px; }

/* ---------------------------- typography ---------------------------- */
.h-display {
  font-size: var(--fs-display);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.h-section {
  font-size: var(--fs-section);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.h-sub {
  font-size: var(--fs-sub);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.eyebrow {
  font-size: var(--fs-eyebrow);
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.muted { color: var(--ink-60); }
.small { font-size: var(--fs-xs); }
.tiny { font-size: var(--fs-2xs); }
.center { text-align: center; }

/* ----------------------------- layout ------------------------------- */
.container {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--pad);
}
/* 通栏容器：不做左右留白，仅限制最大宽度（参考站全幅媒体版块即如此） */
.bleed {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
}
.section { padding-block: 40px; }
@media (min-width: 992px) { .section { padding-block: 72px; } }
.section--tight { padding-block: 28px; }
@media (min-width: 992px) { .section--tight { padding-block: 40px; } }
.section--white { background: var(--surface); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}
@media (min-width: 992px) { .section-head { margin-bottom: 48px; } }
.stack-8 { display: flex; flex-direction: column; gap: 8px; }
.stack-16 { display: flex; flex-direction: column; gap: 16px; }
.stack-24 { display: flex; flex-direction: column; gap: 24px; }
.row { display: flex; align-items: center; gap: 16px; }

/* ----------------------------- buttons ------------------------------ */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 26px;
  border-radius: 999px;
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: var(--fs-btn);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t), transform var(--t);
}
.btn svg { transition: transform var(--t); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: scale(0.985); }
.btn--dark { --btn-bg: var(--dark); --btn-fg: #fff; --btn-bd: var(--dark); }
.btn--dark:hover { --btn-bg: #000; --btn-bd: #000; }
.btn--light { --btn-bg: #fff; --btn-fg: var(--ink); --btn-bd: #fff; }
.btn--light:hover { --btn-bg: var(--bg); --btn-bd: var(--bg); }
.btn--outline-light { --btn-bg: transparent; --btn-fg: #fff; --btn-bd: rgba(255, 255, 255, 0.85); }
.btn--outline-light:hover { --btn-bg: rgba(255, 255, 255, 0.14); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); --btn-bd: var(--ink-16); }
.btn--ghost:hover { --btn-bg: #fff; --btn-bd: var(--ink-40); }
.btn--sm { padding: 14px 18px; font-size: var(--fs-xs); gap: 8px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.btn[disabled]:hover svg { transform: none; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  transition: background var(--t);
}
.icon-btn:hover { background: rgba(23, 23, 23, 0.06); }
.icon-btn--filled { background: var(--surface); }
.icon-btn--filled:hover { background: var(--bg); }
.icon-btn--dark { background: rgba(23, 23, 23, 0.55); color: #fff; }
.icon-btn--dark:hover { background: rgba(23, 23, 23, 0.75); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  transition: gap var(--t);
}
.link-arrow:hover { gap: 12px; }
.link-underline { text-decoration: underline; text-underline-offset: 3px; }

/* ---------------------------- announcement -------------------------- */
.topbar {
  background: var(--announce);
  color: #fafafa;
  font-size: var(--fs-xs);
}
.topbar__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 16px;
}
.topbar__social {
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar__social a { opacity: 0.9; transition: opacity var(--t); }
.topbar__social a:hover { opacity: 1; }
.topbar__msg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.01em;
  text-align: center;
}
@media (max-width: 767px) {
  .topbar__social { gap: 10px; }
  .topbar__social a:nth-child(n + 3) { display: none; }
  .topbar__msg span.topbar__dot { display: none; }
}

/* ------------------------------ header ------------------------------ */
/* 公告栏与导航同属一个吸顶容器：默认跟随页面滚动，公告栏滚出视口后
   导航吸附在顶部（sticky top 取负的公告栏高度），并去掉圆角加投影。 */
[data-app-header] { display: contents; }
.header-shell {
  background: var(--announce);
  position: sticky;
  top: calc(-1 * var(--topbar-h));
  z-index: 60;
}
.site-header {
  position: relative;
  background: var(--bg);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: border-radius var(--t), box-shadow var(--t);
}
.site-header__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  min-height: var(--header-h);
  padding-block: 12px;
}
.site-header__inner > .brand { justify-self: start; }
.site-header__inner > .nav { justify-self: center; }
.site-header__inner > .header-actions { justify-self: end; }
/* 移动端：汉堡在左、图标在右、字标精确居中（与参考站一致） */
@media (max-width: 991px) {
  .site-header__inner { display: flex; align-items: center; justify-content: space-between; }
  .site-header__inner > .brand {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
  .header-account { display: none; }
}
.site-header__rule { height: 1px; background: var(--line); }
.header-shell.is-stuck .site-header {
  border-radius: 0;
  box-shadow: 0 10px 30px rgba(12, 18, 24, 0.10);
}
.header-shell.is-stuck .site-header__rule { opacity: 0; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
/* Logo 为 6:1 的宽版，尺寸统一由断点控制，避免和汉堡键 / 右侧图标打架 */
.logo { max-width: 100%; height: auto; }
.brand img, .brand svg { height: 24px; width: auto; }
@media (min-width: 992px) { .brand img, .brand svg { height: 36px; } }

.nav { display: none; align-items: center; gap: 20px; }
@media (min-width: 992px) { .nav { display: flex; } }
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  transition: opacity var(--t);
}
/* 导航项只做文字变色，不加背景/描边块；键盘聚焦同样给文字反馈 */
.nav__link:hover,
.nav__link:focus-visible,
.nav__item[data-open="true"] > .nav__link { opacity: 0.6; }
.nav__item { position: relative; }
.nav__item > .nav__link::after {
  content: "";
  display: block;
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform var(--t);
}
.nav__item[data-open="true"] > .nav__link::after { transform: rotate(-135deg) translate(-2px, -2px); }

.mega {
  position: absolute;
  left: 50%;
  top: calc(100% + 16px);
  transform: translateX(-50%) translateY(8px);
  width: min(340px, calc(100vw - 96px));
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-pop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.nav__item[data-open="true"] .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
/* 下拉里的分类入口：整行可点，右侧箭头指示"进入分类页" */
.mega__cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink);
  transition: background var(--t), color var(--t);
}
.mega__cat > svg { flex: none; color: var(--ink-40); transition: color var(--t), transform var(--t); }
.mega__cat:hover,
.mega__cat:focus-visible { background: rgba(23, 23, 23, 0.05); }
.mega__cat:hover > svg { color: var(--ink); transform: translateX(3px); }

.header-actions { display: flex; align-items: center; gap: 2px; flex: none; }
@media (min-width: 992px) { .header-actions { gap: 6px; } }
.region-pill {
  display: none;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--fs-xs);
  background: transparent;
  transition: border-color var(--t), background var(--t);
}
@media (min-width: 992px) { .region-pill { display: inline-flex; } }
/* 992–1199 只保留旗标按钮，避免和导航抢空间 */
@media (min-width: 992px) and (max-width: 1199px) {
  .region-pill { padding: 0 12px; gap: 6px; }
  .region-pill [data-region-label] { display: none; }
}
.region-pill:hover { border-color: var(--ink-40); background: #fff; }

/* 页头搜索：默认**收起**只露放大镜图标，点图标才展开输入框（客户 2026-10-15）。
   收起态：无边框/无内边距、输入框 width:0 + opacity:0，视觉上与普通图标按钮一致；
   展开态：变成胶囊（1px 边框 + 白底），输入框滑出。992–1199 输入框收窄防与导航挤。 */
.header-search {
  display: none;
  align-items: center;
  gap: 2px;
  height: 48px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  transition: border-color var(--t), background var(--t), padding var(--t);
}
.header-search input {
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: var(--fs-xs);
  color: var(--ink);
  width: 0;
  padding: 0;
  opacity: 0;
  transition: width var(--t), opacity var(--t);
}
.header-search input::placeholder { color: var(--ink-40); }
.header-search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.header-search .icon-btn { flex: none; }
@media (min-width: 992px) {
  .header-search { display: flex; }
  .header-search[data-open="true"] {
    padding: 0 4px 0 18px;
    border-color: var(--line);
    background: #fff;
  }
  .header-search[data-open="true"] input { width: 190px; opacity: 1; }
  .header-search-btn { display: none; }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .header-search[data-open="true"] { padding-left: 14px; }
  .header-search[data-open="true"] input { width: 110px; }
}
.flag {
  width: 20px; height: 20px;
  border-radius: 999px;
  background: #dfe4ea;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  overflow: hidden;
  flex: none;
}
.cart-count {
  position: absolute;
  top: 4px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  display: grid;
  place-items: center;
  line-height: 1;
}
.cart-count[hidden] { display: none; }
.icon-wrap { position: relative; display: inline-flex; }
.header-burger { display: inline-flex; }
@media (min-width: 992px) { .header-burger { display: none; } }
.header-logo-mobile { position: absolute; left: 50%; transform: translateX(-50%); }
@media (min-width: 992px) { .header-logo-mobile { position: static; transform: none; } }

/* --------------------------- mobile nav ----------------------------- */
.mobile-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  background: var(--surface);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 14px var(--pad) 0;
  transform: translateY(-102%);
  transition: transform 0.36s var(--ease);
  max-height: 100dvh;
  overflow-y: auto;
}
.mobile-nav[data-open="true"] { transform: translateY(0); }
.mobile-nav__handle {
  width: 48px; height: 4px; border-radius: 999px;
  background: rgba(23, 23, 23, 0.14);
  margin: 0 auto 20px;
}
.mobile-nav__list { display: flex; flex-direction: column; gap: 4px; padding-bottom: 24px; }
.mobile-nav__list a,
.mobile-nav__list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  cursor: pointer;
}
.mobile-nav__list summary { list-style: none; }
.mobile-nav__list summary::-webkit-details-marker { display: none; }
.mobile-nav__sub {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px 0 12px 16px;
  border-left: 1px solid var(--line);
  margin-bottom: 8px;
}
.mobile-nav__sub a { font-size: 15px; font-weight: 500; color: var(--ink-60); padding: 8px 0; }
.mobile-nav__foot {
  border-top: 1px solid var(--line);
  padding: 16px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  bottom: 0;
  background: var(--surface);
}

/* ------------------------- scrim / drawers -------------------------- */
.scrim {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(16, 20, 24, 0.42);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t), visibility var(--t);
}
.scrim[data-open="true"] { opacity: 1; visibility: visible; }

.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  z-index: 75;
  width: min(520px, 100%);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  transform: translateX(102%);
  transition: transform 0.36s var(--ease);
}
.drawer[data-open="true"] { transform: none; }
.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px 12px;
}
.drawer__body { flex: 1; overflow-y: auto; padding: 8px 24px 24px; }
.drawer__foot {
  border-top: 1px solid var(--line);
  padding: 20px 24px;
  background: var(--surface);
}
.drawer-tabs { display: flex; align-items: center; gap: 18px; }
.drawer-tab {
  border: 0; background: none; padding: 0;
  font-size: 22px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink-40);
}
.drawer-tab[aria-selected="true"] { color: var(--ink); }

/* ------------------------------- hero ------------------------------- */
/* 首屏为 6 帧轮播：帧与帧交叉淡出，标题/按钮随帧同步更换，底部居中小圆点切换。
   版块比例逐级贴近素材原比例（1920×787 ≈ 2.44:1），宽屏下不裁切素材。 */
.hero { padding-bottom: 0; }
.hero__media {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg-card);
  aspect-ratio: 3 / 2;
}
@media (min-width: 600px) { .hero__media { aspect-ratio: 19 / 10; } }
@media (min-width: 768px) { .hero__media { aspect-ratio: 21 / 10; } }
@media (min-width: 992px) { .hero__media { aspect-ratio: 11 / 5; } }
@media (min-width: 1200px) { .hero__media { aspect-ratio: 1920 / 787; } }
/* PC 端（≥1200px）首屏铺满屏宽：突破 1440 内容容器，1920 视口下即渲染为 1920×787。
   文案左右内边距跟随全站内容列，保证与下方版块左对齐。 */
@media (min-width: 1200px) {
  .hero > .container { max-width: none; padding-inline: 0; }
  .hero {
    --hero-inset: max(60px, calc((100% - 1440px) / 2 + var(--pad)));
  }
}
.hero__slides { position: absolute; inset: 0; }
.hero__slide {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.9s var(--ease);
}
.hero__slide.is-active { opacity: 1; }
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 14, 0.05) 40%, rgba(10, 12, 14, 0.55) 100%);
  pointer-events: none;
}
.hero__content {
  position: absolute;
  inset: auto 0 0 0;
  padding: 20px 20px 56px;   /* 底部留出圆点的位置 */
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: opacity 0.22s var(--ease);
}
.hero__content.is-swapping { opacity: 0; }
/* 文案改到左侧居中后，原来"自下而上"的压暗渐变压不到它了。
   PC 端补一层左侧渐变，把白字背后压暗（逐帧实测对比度 ≥ 4.5:1）。 */
@media (min-width: 992px) {
  .hero__scrim {
    background:
      linear-gradient(90deg, rgba(10, 12, 14, 0.58) 0%, rgba(10, 12, 14, 0.42) 48%, rgba(10, 12, 14, 0.06) 78%, rgba(10, 12, 14, 0) 88%),
      linear-gradient(180deg, rgba(10, 12, 14, 0.05) 40%, rgba(10, 12, 14, 0.55) 100%);
  }
}
/* PC（≥992px）：标题与按钮左对齐成一组，整体在版块内垂直居中。
   去掉底部固定留白（inset 上下归零）后由 justify-content 居中，圆点在底部自成一层不打架。 */
@media (min-width: 992px) {
  .hero__content {
    inset: 0 var(--hero-inset, 60px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 58px;   /* 标题与按钮的竖向间距（较 28px 加大 30px） */
    padding: 0;
  }
}
/* 个别帧文案整体右对齐（如产品在画面左侧的帧），切帧时由 JS 加/去 .is-right。
   遮罩同步镜像，保证右对齐白字背后同样压暗。仅 PC 端生效。 */
@media (min-width: 992px) {
  .hero__media.is-right .hero__content { align-items: flex-end; }
  .hero__media.is-right .hero__title { text-align: right; }
  .hero__media.is-right .hero__cta { align-self: flex-end; }
  .hero__media.is-right .hero__scrim {
    background:
      linear-gradient(270deg, rgba(10, 12, 14, 0.58) 0%, rgba(10, 12, 14, 0.42) 48%, rgba(10, 12, 14, 0.06) 78%, rgba(10, 12, 14, 0) 88%),
      linear-gradient(180deg, rgba(10, 12, 14, 0.05) 40%, rgba(10, 12, 14, 0.55) 100%);
  }
}
.hero__title { color: #fff; max-width: 640px; }
.hero__cta { align-self: stretch; }
@media (min-width: 992px) { .hero__cta { align-self: flex-start; flex: none; } }
/* 移动/平板（<992px）：按钮不再撑满整行，收到内容宽度并与标题左边缘对齐；
   尺寸同步收小（原来撑满时又宽又厚，在小屏上喧宾夺主）。 */
@media (max-width: 991px) {
  .hero__cta { align-self: flex-start; padding: 12px 18px; }
}
@media (max-width: 599px) {
  /* 窄屏版块变矮，标题收一点，避免压到圆点（按钮尺寸统一由上面的 <992px 规则给） */
  .hero__title { font-size: clamp(1.375rem, 6.4vw, 2rem); max-width: 94%; }
}
/* 底部居中的小圆点切换按钮：视觉是 9px 圆点，点击热区放到 26px */
.hero__dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  z-index: 3;
}
@media (min-width: 992px) { .hero__dots { bottom: 22px; gap: 6px; } }
.hero__dot {
  width: 26px; height: 26px;
  display: grid;
  place-items: center;
  padding: 0;
}
.hero__dot::before {
  content: '';
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1), 0 1px 4px rgba(0, 0, 0, 0.35);
  transition: background var(--t), transform var(--t);
}
.hero__dot:hover::before { background: rgba(255, 255, 255, 0.8); }
.hero__dot.is-active::before { background: #fff; transform: scale(1.25); }
.hero__dot:focus-visible { outline: 2px solid #fff; outline-offset: 2px; border-radius: 999px; }

/* --------------------------- category grid -------------------------- */
.cat-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc(100vw - 101px);
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 4px;
  margin-inline: calc(var(--pad) * -1);
  padding-inline: var(--pad);
  scrollbar-width: none;
}
.cat-track::-webkit-scrollbar { display: none; }
@media (min-width: 600px) { .cat-track { grid-auto-columns: 276px; } }
@media (min-width: 992px) {
  .cat-track {
    grid-auto-flow: initial;
    grid-auto-columns: auto;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--gap);
    overflow: visible;
    margin-inline: 0;
    padding-inline: 0;
  }
}
.cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  scroll-snap-align: start;
  transition: transform var(--t);
}
.cat-card:hover { transform: translateY(-4px); }
.cat-card__media { position: relative; aspect-ratio: 1 / 1; }
.cat-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.cat-card:hover .cat-card__media img { transform: scale(1.04); }
.cat-card__body { padding: 20px 18px; min-height: 96px; }
.cat-card__title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: flex-start;
  gap: 2px;
}
.cat-card__title sup { font-size: 11px; font-weight: 600; margin-top: -2px; }
.cat-card__note { font-size: var(--fs-xs); color: var(--ink-60); margin-top: 4px; }
.cat-card--featured .cat-card__media { aspect-ratio: 3 / 4; }
.cat-card--featured .cat-card__body {
  position: absolute;
  inset: auto 0 0 0;
  color: #fff;
  background: linear-gradient(180deg, rgba(10, 12, 14, 0) 0%, rgba(10, 12, 14, 0.72) 100%);
  padding-top: 60px;
}
.cat-card--featured .cat-card__note { color: rgba(255, 255, 255, 0.82); }
.cat-actions { display: flex; justify-content: center; margin-top: 32px; }
@media (min-width: 992px) { .cat-actions { margin-top: 48px; } }

/* ---------------------------- feature rows -------------------------- */
.feature-row {
  display: grid;
  gap: 24px;
}
@media (min-width: 992px) {
  .feature-row {
    grid-template-columns: minmax(0, 745fr) minmax(0, 531fr);
    gap: 60px;
    align-items: center;
  }
}
.feature-row__media {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  /* 底色用纯白：主图默认「全图显示」，产品图多为白底，
     露出的留白与图片本身同色，才不会看出两条色带。 */
  background: #fff;
  /* 画面比例由后台「主图比例」控制，默认 1:1 正方形 */
  aspect-ratio: var(--fr-ratio, 1 / 1);
}
/* 画面比例档位。产品图多为 1:1 正方形，画面也用 1:1 时图片正好铺满、
   既不留白也不裁切；换成比图片更宽/更窄的比例才会出现留白。 */
.feature-row__media--r-1x1 { --fr-ratio: 1 / 1; }
.feature-row__media--r-4x3 { --fr-ratio: 4 / 3; }
.feature-row__media--r-3x2 { --fr-ratio: 3 / 2; }
.feature-row__media--r-16x9 { --fr-ratio: 16 / 9; }
.feature-row__media img {
  width: 100%;
  height: 100%;
  /* 默认「全图显示」：产品图完整呈现，四边不裁切
     （图片比例与画面比例一致时正好铺满、不产生留白。
     想改成铺满裁切：后台「首页内容版块 → 主图显示方式」切成"填满裁切"，
     或给容器加 feature-row__media--cover 类。 */
  object-fit: contain;
  transition: transform 0.7s var(--ease);
}
.feature-row__media--cover img { object-fit: cover; }
/* 鼠标悬停在图片上时缓慢放大（沿用分类卡/商品卡同一套参数）。
   限定 hover 可用的设备，避免触屏上点一下就把 hover 状态"粘"住。 */
@media (hover: hover) {
  .feature-row__media:hover img { transform: scale(1.04); }
}
.feature-row__text { display: flex; flex-direction: column; gap: 16px; }
@media (min-width: 992px) { .feature-row__text { gap: 20px; } }
.feature-row--reverse .feature-row__media { order: -1; }
@media (min-width: 992px) {
  .feature-row--reverse { grid-template-columns: minmax(0, 531fr) minmax(0, 745fr); }
  .feature-row--reverse .feature-row__media { order: 2; }
  .feature-row--reverse .feature-row__text { order: 1; }
}
.feature-row__icon { color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-60);
}

/* ------------------------ full-bleed features ----------------------- */
.feature-full {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--dark);
  aspect-ratio: 390 / 516;
}
@media (min-width: 768px) { .feature-full { aspect-ratio: 768 / 620; } }
@media (min-width: 1200px) { .feature-full { aspect-ratio: 1440 / 660; } }
.feature-full img,
.feature-full video { width: 100%; height: 100%; object-fit: cover; }
.feature-full__poster { position: absolute; inset: 0; }
.feature-full__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 10, 12, 0.02) 45%, rgba(8, 10, 12, 0.6) 100%);
  pointer-events: none;
}
.feature-full__content {
  position: absolute;
  inset: auto 0 0 0;
  padding: 24px var(--pad) 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
  color: #fff;
}
@media (min-width: 992px) { .feature-full__content { padding-bottom: 56px; } }
.feature-full__title {
  max-width: 640px;
  /* 版块内是视频，画面会经过高亮段落 —— 这层极轻的投影保证白字始终读得清 */
  text-shadow: 0 2px 20px rgba(6, 8, 10, 0.5), 0 1px 3px rgba(6, 8, 10, 0.35);
}
.feature-full__media-btn { position: absolute; right: 20px; bottom: 20px; z-index: 2; }
.feature-full__badge {
  position: absolute;
  left: 20px; top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.feature-full__poster.is-playable { cursor: pointer; }
.feature-full__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border: 0;
  background: none;
}
.feature-full__play span {
  display: grid;
  place-items: center;
  width: 78px; height: 78px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  transition: transform var(--t), background var(--t);
}
.feature-full__play:hover span { transform: scale(1.06); background: #fff; }

/* ------------------------------ marquee ----------------------------- */
.marquee { background: var(--bg); padding-block: 90px; overflow: hidden; }
@media (min-width: 992px) { .marquee { padding-block: 120px; } }
/* 图片模式：标语是 600×300 的 PNG，大屏 1:1 原尺寸，往下逐级等比缩小。
   改标语图显示高矮只调下面四行（宽度按 2:1 自动跟随）。 */
.marquee { --marquee-img-h: 132px; }
@media (min-width: 640px) { .marquee { --marquee-img-h: 176px; } }
@media (min-width: 992px) { .marquee { --marquee-img-h: 240px; } }
@media (min-width: 1200px) { .marquee { --marquee-img-h: 300px; } }
/* 图片自身已带上下留白，内边距比文字模式收一些，整条带高才不致过于松散 */
.marquee--img { padding-block: 56px; }
@media (min-width: 992px) { .marquee--img { padding-block: 72px; } }
.marquee__img { display: block; flex: none; height: var(--marquee-img-h); width: auto; }
.marquee__track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  animation: marquee-scroll 34s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item { display: inline-flex; align-items: center; gap: 56px; flex: none; }
.marquee__text {
  font-size: var(--fs-marquee);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
  white-space: nowrap;
}
.marquee__mark { position: relative; display: inline-block; }
.marquee__mark svg {
  position: absolute;
  left: 0; right: 0; bottom: -0.1em;
  width: 100%; height: 0.22em;
  color: #1d5cff;
}
.marquee__dot {
  width: 14px; height: 14px;
  border: 1px solid var(--ink-40);
  border-radius: 999px;
  flex: none;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}

/* ------------------------------ image band -------------------------- */
.band {
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--dark);
}
@media (min-width: 768px) { .band { aspect-ratio: 1344 / 510; } }
.band img { width: 100%; height: 100%; object-fit: cover; }

/* ------------------------------- values ----------------------------- */
.values {
  display: grid;
  gap: 24px;
  padding-block: 32px;
}
@media (min-width: 640px) { .values { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) {
  .values { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; padding-block: 40px; }
  .value + .value { border-left: 1px solid var(--ink-16); }
  .value { padding-inline: 28px; }
  .value:first-child { padding-left: 0; }
  .value:last-child { padding-right: 0; }
}
/* 图标在左，右侧大字标题与说明文字各占一行、统一左对齐 */
.value { display: flex; align-items: flex-start; gap: 14px; }
.value__icon { flex: none; color: var(--ink); margin-top: 1px; }
.value__text { display: block; min-width: 0; }
.value__title { display: block; font-size: 16px; font-weight: 700; letter-spacing: -0.02em; }
.value__note { display: block; font-size: var(--fs-xs); color: var(--ink-60); margin-top: 6px; }

/* ------------------------------- footer ----------------------------- */
.site-footer {
  background: var(--dark);
  color: #fff;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding-block: 56px 40px;
}
@media (min-width: 992px) { .site-footer { padding-block: 72px 48px; } }
.site-footer__grid { display: grid; gap: 40px; }
@media (min-width: 992px) {
  .site-footer__grid { grid-template-columns: minmax(0, 504fr) minmax(0, 840fr); gap: 0; }
  .site-footer__right { padding-left: 121px; }
}
.site-footer__brand { color: #fff; margin-bottom: 24px; }
.site-footer__brand img, .site-footer__brand svg { height: 32px; width: auto; }
@media (min-width: 992px) { .site-footer__brand img, .site-footer__brand svg { height: 38px; } }
.newsletter { max-width: 420px; }
.newsletter__title { font-size: var(--fs-sub); line-height: 1.15; font-weight: 700; letter-spacing: -0.025em; }
.newsletter__form {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 20px;
  background: var(--dark-soft);
  border-radius: 999px;
  padding: 6px 6px 6px 24px;
  max-width: 380px;
}
.newsletter__form input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: #fff;
  height: 44px;
  font-size: var(--fs-sm);
}
.newsletter__form input::placeholder { color: rgba(255, 255, 255, 0.5); }
.newsletter__form button {
  flex: none;
  width: 40px; height: 40px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  display: grid;
  place-items: center;
  transition: transform var(--t);
}
.newsletter__form button:hover { transform: translateX(2px); }
.newsletter__note {
  margin-top: 18px;
  font-size: var(--fs-xs);
  font-style: italic;
  color: rgba(255, 255, 255, 0.62);
}
.site-footer__social { display: flex; gap: 20px; margin-top: 32px; }
.site-footer__social a { opacity: 0.86; transition: opacity var(--t), transform var(--t); }
.site-footer__social a:hover { opacity: 1; transform: translateY(-2px); }
.footer-cols { display: grid; gap: 32px; }
@media (min-width: 640px) { .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.site-footer__right .footer-cols { gap: 32px 40px; }
@media (min-width: 992px) {
  .site-footer__right .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.footer-col { display: flex; flex-direction: column; }
.footer-col__title { font-size: 16px; font-weight: 700; letter-spacing: -0.02em; }
.footer-col__list { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.footer-col__list a { font-size: var(--fs-sm); color: rgba(255, 255, 255, 0.78); transition: color var(--t); }
.footer-col__list a:hover { color: #fff; }
/* 「Need help?」列：电话 / 邮箱 / 工作时间 / 地址每行前面带一个含义小图标。
   用 flex 而非 inline-flex，让长地址在窄列里正常折行（inline-flex 取 max-content 会溢出）。
   图标 flex:none + 顶部对齐 + 2px 微调，保证工作时间/地址折行时图标仍对齐首行。 */
.footer-col__list--contact .contact-line {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.footer-col__list--contact .contact-line > svg {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;   /* 与首行文字的视觉中线对齐（实测中心差 ≤1px） */
}
.footer-col__list--contact .contact-line > span { min-width: 0; }
.footer-col + .footer-col { margin-top: 32px; }
.footer-bottom { background: var(--surface); padding-block: 20px; }
.footer-bottom__inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
}
@media (min-width: 992px) {
  .footer-bottom__inner { flex-direction: row; justify-content: space-between; text-align: left; gap: 24px; }
}
.footer-bottom__legal { font-size: var(--fs-2xs); color: var(--ink-60); display: flex; flex-direction: column; gap: 6px; }
.footer-bottom__legal a { text-decoration: underline; text-underline-offset: 3px; }
.payments { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; justify-content: center; }
.pay-badge {
  width: 38px; height: 24px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: #fff;
  display: grid;
  place-items: center;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  overflow: hidden;
}
.pay-badge[data-tone="dark"] { background: #171717; color: #fff; border-color: #171717; }
.pay-badge[data-tone="blue"] { background: #1a1f71; color: #fff; border-color: #1a1f71; }
.pay-badge[data-tone="rose"] { background: #e0195a; color: #fff; border-color: #e0195a; }

/* --------------------------- product cards -------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
@media (min-width: 768px) { .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 992px) { .product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; } }
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 14px 14px 20px;
  transition: transform var(--t), box-shadow var(--t);
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(12, 18, 24, 0.08); }
.product-card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: calc(var(--radius-card) - 4px);
  overflow: hidden;
  margin-bottom: 16px;
}
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__badge {
  position: absolute;
  left: 10px; top: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: var(--fs-2xs);
  font-weight: 600;
}
.product-card__stock {
  position: absolute;
  left: 50%; bottom: 12px;
  transform: translateX(-50%);
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  font-size: var(--fs-xs);
  white-space: nowrap;
}
.product-card__title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
  min-height: 3.8em;
}
.product-card__price {
  margin-top: 10px;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}
.price--plain { color: var(--ink); }
.price__compare {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--ink-40);
  text-decoration: line-through;
}
.product-card__hint { text-align: center; font-size: var(--fs-2xs); color: var(--ink-40); margin-top: 6px; }

/* -------------------------- collection page ------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-xs);
  color: var(--ink-60);
  padding-top: 28px;
}
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb__home { display: inline-flex; align-items: center; }
.breadcrumb__sep { color: var(--ink-40); }
.page-head { padding-bottom: 24px; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  padding-block: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tabs { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  font-size: var(--fs-xs);
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--t), border-color var(--t), color var(--t);
}
.tab:hover { border-color: var(--ink-40); }
.tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.toolbar__right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.select {
  appearance: none;
  padding: 10px 38px 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23171717' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E")
    no-repeat right 16px center;
  font-size: var(--fs-xs);
}
.filters { display: flex; flex-wrap: wrap; gap: 10px; padding-block: 16px; align-items: center; }
.filters__label { font-size: var(--fs-2xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-40); font-weight: 700; }
.result-count { font-size: var(--fs-xs); color: var(--ink-60); }
.input-pill {
  width: 100%;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: var(--fs-sm);
}
.input-pill:focus { outline: none; border-color: var(--ink); }
.search-bar { display: flex; gap: 10px; max-width: 620px; margin: 24px 0 8px; align-items: center; }
@media (max-width: 640px) { .search-bar { flex-direction: column; align-items: stretch; } }
.empty-state {
  text-align: center;
  padding-block: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

/* ------------------------------- PDP -------------------------------- */
.pdp { display: grid; gap: 32px; padding-top: 28px; }
@media (min-width: 992px) {
  .pdp { grid-template-columns: minmax(0, 1fr) minmax(0, 0.93fr); gap: 48px; padding-top: 40px; }
}
.gallery { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 18px; }
@media (min-width: 992px) { .gallery { grid-template-columns: 90px minmax(0, 1fr); } }
.gallery__thumbs { display: flex; flex-direction: column; gap: 10px; max-height: 520px; overflow-y: auto; scrollbar-width: none; }
.gallery__thumbs::-webkit-scrollbar { display: none; }
.gallery__thumb {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid transparent;
  background: var(--bg-card);
  padding: 0;
}
.gallery__thumb[aria-selected="true"] { border-color: var(--ink); }
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__main {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg-card);
  aspect-ratio: 1 / 1;
}
.gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.pdp__info { display: flex; flex-direction: column; gap: 0; }
.pdp__top { display: flex; gap: 24px; justify-content: space-between; align-items: flex-start; }
.pdp__title { font-size: clamp(1.25rem, 1.65vw, 1.75rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.25; max-width: 62%; }
.pdp__price { text-align: right; font-size: var(--fs-sub); font-weight: 700; color: var(--accent); white-space: nowrap; }
.pdp__meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.accordion-list { margin-top: 24px; border-top: 1px solid var(--line); }
.acc { border-bottom: 1px solid var(--line); }
.acc__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  border: 0;
  background: none;
  text-align: left;
  font-size: var(--fs-sm);
  font-weight: 500;
}
.acc__trigger .acc__icon { margin-left: auto; transition: transform var(--t); flex: none; }
.acc[data-open="true"] .acc__trigger .acc__icon { transform: rotate(45deg); }
.acc__panel { overflow: hidden; height: 0; transition: height 0.32s var(--ease); }
.acc__inner { padding: 0 0 22px; font-size: var(--fs-sm); color: var(--ink-60); display: flex; flex-direction: column; gap: 10px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.spec-table th, .spec-table td { text-align: left; padding: 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { font-weight: 500; color: var(--ink-60); width: 44%; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.stock-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: var(--fs-xs);
  font-weight: 500;
  margin-top: 24px;
}
.stock-pill--in { background: #eaf6ef; color: #1f7a4d; }
.stock-pill--out { background: var(--accent-soft); color: var(--accent); }
.stock-pill__dot { width: 8px; height: 8px; border-radius: 999px; background: currentColor; }
.option-group { margin-top: 20px; }
.option-group__label { font-size: var(--fs-2xs); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-40); margin-bottom: 10px; }
.option-values { display: flex; flex-wrap: wrap; gap: 8px; }
.option-values button {
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-size: var(--fs-xs);
  transition: border-color var(--t), background var(--t), color var(--t);
}
.option-values button:hover { border-color: var(--ink-40); }
.option-values button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: #fff; }
.buy-row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px; margin-top: 24px; }
.qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
}
.qty button { width: 40px; height: 44px; display: grid; place-items: center; border: 0; background: none; border-radius: 999px; }
.qty button:hover { background: rgba(23, 23, 23, 0.06); }
.qty input { width: 42px; height: 44px; border: 0; background: none; text-align: center; }
.pdp__links { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; font-size: var(--fs-xs); color: var(--ink-60); }
.share-row { display: flex; align-items: center; gap: 16px; margin-top: 24px; font-size: var(--fs-xs); color: var(--ink-60); }
.share-row a { opacity: 0.7; transition: opacity var(--t); }
.share-row a:hover { opacity: 1; }
.pdp-desc { padding-block: 48px; display: flex; flex-direction: column; gap: 28px; }
.pdp-desc__block { border-radius: var(--radius-card); overflow: hidden; background: var(--bg-card); }
.pdp-desc__block img { width: 100%; height: auto; }
.pdp-desc__text { display: flex; flex-direction: column; gap: 14px; max-width: 780px; }
.spec-grid { display: grid; gap: 12px 32px; }
@media (min-width: 768px) { .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------------------------- cart items ---------------------------- */
.cart-line { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cart-line__media { border-radius: var(--radius-sm); overflow: hidden; background: var(--bg-card); aspect-ratio: 1 / 1; }
.cart-line__media img { width: 100%; height: 100%; object-fit: cover; }
.cart-line__title { font-size: var(--fs-sm); font-weight: 500; }
.cart-line__opts { font-size: var(--fs-xs); color: var(--ink-60); margin-top: 4px; }
.cart-line__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.cart-line__price { font-size: var(--fs-sm); font-weight: 700; }
.qty--sm { padding: 2px; }
.qty--sm button { width: 32px; height: 34px; }
.qty--sm input { width: 34px; height: 34px; font-size: var(--fs-xs); }
.cart-line__remove { border: 0; background: none; font-size: var(--fs-xs); color: var(--ink-60); text-decoration: underline; text-underline-offset: 3px; }
.cart-line__remove:hover { color: var(--accent); }
.summary { display: flex; flex-direction: column; gap: 10px; }
.summary__row { display: flex; align-items: center; justify-content: space-between; font-size: var(--fs-sm); }
.summary__row--total { font-size: var(--fs-sub); font-weight: 700; padding-top: 10px; border-top: 1px solid var(--line); }
.summary__note { font-size: var(--fs-xs); color: var(--ink-60); }
.cart-page { display: grid; gap: 32px; padding-top: 28px; }
@media (min-width: 992px) { .cart-page { grid-template-columns: minmax(0, 1fr) 380px; gap: 48px; } }
.cart-side { background: var(--bg-card); border-radius: var(--radius-card); padding: 24px; align-self: start; display: flex; flex-direction: column; gap: 16px; }

/* ------------------------------- forms ------------------------------ */
.form-grid { display: grid; gap: 16px; }
@media (min-width: 768px) { .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 15px 16px;
  font-size: var(--fs-sm);
  transition: border-color var(--t), background var(--t);
}
.field textarea { min-height: 200px; resize: vertical; }
.field input:focus, .field textarea:focus { background: #fff; border-color: var(--ink); outline: none; }
.field[data-invalid="true"] input,
.field[data-invalid="true"] textarea { border-color: var(--accent); background: #fff; }
.field__error { font-size: var(--fs-xs); color: var(--accent); min-height: 1.2em; }
.form-note { font-size: var(--fs-xs); color: var(--ink-60); margin-top: 16px; }
/* 注册卡底部的说明与「返回登录」按客户要求居中（form-note 默认继承左对齐）。
   注意两点：
   1) 说明段落是 .form-grid 的直接子元素，≥768px 时 grid 是两列 —— 不写
      grid-column:1/-1 的话它只占左半列，"居中"只在那半列里生效，卡片上仍偏左；
   2) 登录卡里那些链接按钮是靠 .field（flex 列）撑满后由 button 自身
      text-align:center 居中的，这里不能用 .field 包（同样会被排成两列）。 */
.form-note--center { text-align: center; grid-column: 1 / -1; }
.form-status {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  display: none;
  gap: 10px;
  align-items: flex-start;
}
.form-status[data-state="error"] { display: flex; background: var(--accent-soft); color: #8a1027; }
/* 提交中 / 提交成功：必须也要有 display，否则状态设置了但提示是隐藏的（踩过一次） */
.form-status[data-state="sending"] { display: flex; background: #eef4fb; color: #1b4a7a; }
.form-status[data-state="ok"] { display: flex; background: #e8f6ed; color: #14532d; }
.form-status svg { flex: none; margin-top: 1px; }
.contact-info { display: grid; gap: 28px 40px; padding-block: 40px; }
@media (min-width: 768px) { .contact-info { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.info-block__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-2xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-40);
}
/* 与标签文字同色（继承 --ink-40），无底无边框 */
.info-block__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  color: inherit;
}
.info-block__value { font-size: var(--fs-sm); font-weight: 700; margin-top: 10px; }
.info-block__value a { text-decoration: underline; text-underline-offset: 3px; }

/* -------------------------------- faq ------------------------------- */
.faq-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 8px 24px; }
@media (min-width: 992px) { .faq-card { padding: 16px 40px; } }
.faq-group + .faq-group { margin-top: 32px; }
.faq-group__title { font-size: var(--fs-sub); font-weight: 700; letter-spacing: -0.025em; margin-bottom: 8px; }
.faq-q { display: flex; gap: 12px; font-size: var(--fs-sm); font-weight: 500; }

/* ------------------------------ modals ------------------------------ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 85;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t), visibility var(--t);
}
.modal[data-open="true"] { opacity: 1; visibility: visible; }
.modal__panel {
  width: min(560px, 100%);
  max-height: 86dvh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 28px;
  transform: translateY(12px) scale(0.99);
  transition: transform 0.32s var(--ease);
}
.modal[data-open="true"] .modal__panel { transform: none; }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
/* 视频弹层：宽面板 + 16:9 播放器 */
.modal__panel--video { width: min(1040px, 100%); overflow: hidden; }
.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-top: 12px;
  background: #0b0d0f;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
@media (max-width: 640px) { .modal__panel--video { padding: 18px; } }
.region-list { display: grid; gap: 4px; margin-top: 18px; }
@media (min-width: 640px) { .region-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.region-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 0;
  background: none;
  text-align: left;
  font-size: var(--fs-sm);
  transition: background var(--t);
}
.region-option:hover { background: var(--bg); }
.region-option[aria-pressed="true"] { background: var(--bg); font-weight: 600; }
.region-option__code { margin-left: auto; font-size: var(--fs-xs); color: var(--ink-60); }
.note-box {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: var(--fs-xs);
  color: var(--ink-60);
}

/* ------------------------------- toast ------------------------------ */
.toast-host {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 95;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  pointer-events: none;
}
.toast {
  max-width: min(460px, calc(100vw - 40px));
  padding: 14px 20px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: var(--fs-xs);
  box-shadow: var(--shadow-pop);
  animation: toast-in 0.3s var(--ease);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------------------------- reveal anim --------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__media img, .cat-card__media img, .product-card__media img { transition: none; }
  /* 轮播仍有切换，但去掉淡入淡出（JS 也会关掉自动播放） */
  .hero__slide, .hero__content { transition: none; }
}

/* --------------------------- image fallback ------------------------- */
.img-fallback {
  position: relative;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(45deg, #e9edf1 0 12px, #eef2f6 12px 24px);
  display: grid;
  place-items: center;
  color: var(--ink-40);
  font-size: var(--fs-2xs);
  text-align: center;
  padding: 12px;
}
img[data-broken="true"] { visibility: hidden; }
/* 全幅视频版块还没传视频/图时的占位：换成深色条纹，保证叠加的白字仍然读得清 */
.feature-full .img-fallback {
  background: repeating-linear-gradient(45deg, #23282e 0 12px, #2c323a 12px 24px);
  color: rgba(255, 255, 255, 0.62);
}

/* =========================== 支持页（support.html） ===========================
   banner → 注册保修（左文案 / 右表单）→ 更新包下载列表
   断点沿用全站约定：992px 以下单列堆叠，以上左右分栏。
------------------------------------------------------------------------------ */
.support-banner {
  position: relative;
  min-height: clamp(220px, 26vw, 400px);
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--dark-soft);
  isolation: isolate;
}
.support-banner__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
/* 渐变遮罩：保证白字压在任何图上都有足够对比度 */
.support-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 20, 0.72) 0%, rgba(10, 14, 20, 0.42) 55%, rgba(10, 14, 20, 0.2) 100%);
  z-index: -1;
}
.support-banner__inner {
  padding-block: clamp(36px, 6vw, 72px);
  color: #fff;
  /* 注意：这里不能加 max-width。本块同时带 .container（margin-inline:auto），
     一旦再限制宽度，整块会被"缩窄 + 居中"，文案看起来就是居中的。
     要控制行长就限制内部的 p / h1，别限制这个盒子。 */
  text-align: left;
}
.support-banner__inner .h-display { color: #fff; margin-bottom: 12px; max-width: 24ch; }
.support-banner__inner p { color: rgba(255, 255, 255, 0.88); max-width: 56ch; }
@media (max-width: 991px) {
  .support-banner::after { background: linear-gradient(0deg, rgba(10, 14, 20, 0.78), rgba(10, 14, 20, 0.5)); }
}

/* ------------------------ 注册保修：文案 + 表单 ------------------------ */
.support-block {
  display: grid;
  gap: clamp(24px, 3vw, 48px);
  margin-top: clamp(24px, 3vw, 40px);
}
.support-block__intro .eyebrow { margin-bottom: 8px; }
.support-block__intro .muted { margin-top: 12px; max-width: 52ch; }
.support-points {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: var(--fs-xs);
  color: var(--ink-60);
}
.support-points li { display: flex; align-items: center; gap: 9px; }
.support-points svg { color: var(--ink); flex: none; }
.support-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2.2vw, 32px);
}
.support-card .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 640px) { .support-card .form-grid { grid-template-columns: 1fr; } }
.support-card .field textarea { min-height: 120px; }
/* date 输入框在 Safari/Chrome 下的高度要跟文本输入框对齐 */
.support-card input[type="date"] { min-height: 48px; }
@media (min-width: 992px) {
  .support-block { grid-template-columns: 1fr 1.15fr; align-items: start; }
}

/* -------------------------- 保修结果卡片 -------------------------- */
.warranty-result {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-card);
  padding: clamp(16px, 1.8vw, 24px);
}
.warranty-result[hidden] { display: none; }
.warranty-result__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.warranty-result__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: var(--fs-btn);
  padding: 6px 14px;
  border-radius: 999px;
}
.warranty-result__badge[data-state="ok"] { background: #e8f6ed; color: #14532d; }
.warranty-result__badge[data-state="off"] { background: var(--accent-soft); color: #8a1027; }
.warranty-result__order { font-size: var(--fs-xs); color: var(--ink-60); }
.warranty-result__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px 20px;
  margin: 0;
}
.warranty-result__grid dt { font-size: var(--fs-2xs); color: var(--ink-40); margin-bottom: 4px; }
.warranty-result__grid dd { margin: 0; font-size: var(--fs-btn); }
.warranty-result__note { margin: 14px 0 0; font-size: var(--fs-xs); color: var(--ink-60); }

/* 版块标题区：小字（eyebrow）/ 大字（h-section）/ 说明文字 一律**纵向分行**。
   注意别用全站的 .section-head —— 那是横向 flex（标题在左、按钮在右），
   放三个子元素进去会把小字和大字排到同一行。 */
.support-head {
  display: grid;
  gap: 16px;                             /* 小字 ↔ 大标题：原 10px（+eyebrow 2px margin）= 12px → 16px */
  margin-bottom: clamp(20px, 2.4vw, 32px);
}
.support-head .eyebrow { margin-bottom: 0; }
.support-head .muted { margin-top: 8px; max-width: 62ch; }  /* 大标题 ↔ 说明：原 10px → 24px */

/* --------------------------- 更新包下载 --------------------------- */
.update-list { display: grid; gap: 12px; }
.update-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(12px, 1.6vw, 20px);
  padding: clamp(14px, 1.6vw, 22px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t), box-shadow var(--t);
}
.update-item:hover { border-color: var(--ink-40); box-shadow: 0 10px 28px rgba(12, 18, 24, 0.08); }
.update-item__icon {
  width: 46px;
  height: 46px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
}
.update-item__main { display: grid; gap: 4px; min-width: 0; }
.update-item__name {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-weight: 600;
  font-size: var(--fs-btn);
  line-height: 1.35;
}
.update-item__ver {
  font-size: var(--fs-2xs);
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-60);
}
.update-item__note { font-size: var(--fs-xs); color: var(--ink-60); }
.update-item__meta { font-size: var(--fs-2xs); color: var(--ink-40); }
.update-item__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}
.update-item:hover .update-item__cta svg { transform: translateY(2px); }
.update-item__cta svg { transition: transform var(--t); }
@media (max-width: 640px) {
  .update-item { grid-template-columns: auto 1fr; }
  .update-item__cta { grid-column: 1 / -1; }
}
.update-empty {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-card);
  font-size: var(--fs-xs);
  color: var(--ink-60);
}
.update-empty svg { flex: none; color: var(--ink-40); }

/* ================== 后台新建页面（admin/lib/pages.mjs 生成骨架，
   js/page.js 依据 SV.PAGES 渲染；四类版块：banner / text / feature / video）
------------------------------------------------------------------------------ */
/* 面包屑独立成一块容器：banner 是通栏的，面包屑不能把它挤进版心里 */
.pg-crumbs { padding-block: 20px 4px; }
.pg-crumbs .breadcrumb { margin: 0; }
/* 最后一屏留呼吸位，别让底栏贴着内容最后一行。
   用 :has() 限定在"后台新建的页面"上（它们一定有 .pg-crumbs 或 .pg-empty），
   否则会把现有 8 个手写页面的底部间距一起改掉。 */
main:has(> .pg-crumbs) > :last-child,
main:has(> .pg-empty) > :last-child { margin-bottom: clamp(40px, 6vw, 88px); }

/* ------------------------- 1) Banner 版块 ------------------------- */
.pg-banner {
  position: relative;
  min-height: clamp(240px, 26vw, 400px);
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--dark-soft);
  isolation: isolate;
}
.pg-banner__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
/* 渐变遮罩：白字压在任何图上都要够对比度 */
.pg-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 20, 0.7) 0%, rgba(10, 14, 20, 0.4) 55%, rgba(10, 14, 20, 0.18) 100%);
  z-index: -1;
}
.pg-banner__inner { padding-block: clamp(36px, 6vw, 72px); color: #fff; }
.pg-banner__inner .h-display { color: #fff; margin-bottom: 12px; max-width: 24ch; }
.pg-banner__inner p { color: rgba(255, 255, 255, 0.88); max-width: 56ch; }
@media (max-width: 991px) {
  .pg-banner::after { background: linear-gradient(0deg, rgba(10, 14, 20, 0.76), rgba(10, 14, 20, 0.48)); }
}

/* -------------------------- 2) 文字版块 -------------------------- */
.pg-text__box { display: grid; gap: 12px; max-width: 72ch; margin-top: clamp(16px, 2vw, 28px); }
.pg-text__box .muted { max-width: 68ch; }
.pg-text__box--center { margin-inline: auto; text-align: center; justify-items: center; }
.pg-text__box--center .muted { max-width: 62ch; }
.pg-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.pg-text__box--center .pg-cta { justify-content: center; }

/* -------------------------- 3) 图文版块 -------------------------- */
/* 结构与首页图文行完全一致（.feature-row），这里只补滚动动画缺失时的兜底 */
.pg-feature .feature-row__text { justify-content: center; }

/* -------------------------- 4) 视频版块 -------------------------- */
.feature-full__note {
  margin: 0;
  max-width: 62ch;
  color: rgba(255, 255, 255, 0.86);
  text-shadow: 0 1px 12px rgba(6, 8, 10, 0.45);
}

/* --------------------- 空状态 / 页面已删除 --------------------- */
.pg-empty,
.pg-missing {
  padding-block: clamp(48px, 8vw, 96px);
  display: grid;
  gap: 12px;
  max-width: 62ch;
}

/* ======================== 账户页（account.html） ======================== */
.account-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.account-head .eyebrow { margin-bottom: 8px; }
.account-head .h-section { margin: 0; }

/* 页头账户入口：登录后用用户名首字母代替图标 */
.account-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--dark);
  color: #fff;
  font-size: var(--fs-2xs);
  font-weight: 600;
  line-height: 1;
}

/* 未登录时左边登录、右边注册 */
.account-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 768px) { .account-grid { grid-template-columns: 1fr 1fr; } }

.account-card__title { font-size: var(--fs-sub); font-weight: 600; margin: 0 0 18px; }
.account-narrow { max-width: 520px; }
/* 登录 / 注册 / 忘记密码 / 设置新密码 四张卡都在页面水平居中（客户 2026-10-15 统一要求） */
.account-center { margin-inline: auto; }

/* 文字型按钮（忘记密码 / 返回登录），不带按钮外框 */
.account-linkbtn {
  background: none; border: 0; padding: 0;
  font: inherit; font-size: var(--fs-xs);
  color: var(--ink-60);
  text-decoration: underline; text-underline-offset: 3px;
  cursor: pointer;
}
.account-linkbtn:hover { color: var(--ink); }

/* --------- 已登录：个人信息 / 保修信息 两个板块 --------- */
.account-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: clamp(18px, 2.4vw, 28px);
  margin-bottom: 20px;
}
.account-panel__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 18px;
}
.account-panel__title { font-size: var(--fs-sub); font-weight: 600; margin: 0; }
.account-panel__actions { display: flex; gap: 10px; flex-wrap: wrap; }

.account-info {
  margin: 0;
  display: grid; gap: 1px;
  background: var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.account-info__row {
  display: grid;
  grid-template-columns: minmax(120px, 200px) 1fr;
  gap: 12px;
  background: var(--surface);
  padding: 14px 16px;
}
.account-info__row dt { font-size: var(--fs-2xs); color: var(--ink-40); }
.account-info__row dd { margin: 0; font-size: var(--fs-btn); word-break: break-word; }
@media (max-width: 520px) { .account-info__row { grid-template-columns: 1fr; gap: 4px; } }

/* 点「修改资料 / 修改密码」后展开的编辑表单 */
.account-edit {
  margin-top: 18px; padding-top: 18px;
  border-top: 1px solid var(--line);
  grid-template-columns: 1fr;
  max-width: 480px;
}
.account-edit__actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* --------- 保修信息 --------- */
.account-warranty {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 12px;
  background: var(--bg-card);
}
.account-warranty:last-child { margin-bottom: 0; }
.account-warranty__top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 12px;
}
.account-warranty__note { margin: 12px 0 0; font-size: var(--fs-xs); color: var(--ink-60); }

/* 还没注册过保修时的空状态 */
.account-empty {
  display: grid; justify-items: start; gap: 10px;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}
.account-empty__icon { color: var(--ink-40); display: inline-flex; }
.account-empty__text { margin: 0; color: var(--ink-60); font-size: var(--fs-btn); }
/* 蓝色小字链接：带下划线，点了去支持页注册保修 */
.account-empty__link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: var(--fs-xs);
  color: #1466d1;
  text-decoration: underline; text-underline-offset: 3px;
}
.account-empty__link:hover { color: #0e4fa3; }

/* Mobile account access shares the desktop account link and session. */
@media (max-width: 991px) {
  .site-header__inner { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; gap: 8px; }
  .site-header__inner > .brand { position: static; transform: none; min-width: 0; justify-self: center; max-width: 180px; width: 100%; }
  .site-header__inner > .brand img, .site-header__inner > .brand svg { width: 100%; height: auto; max-height: 30px; object-fit: contain; }
  .header-account { display: inline-flex; }
  .site-header__inner .icon-btn { width: 40px; height: 44px; }
}

/* Center the announcement independently of navigation on every screen. */
.topbar__social { display: none; }
.topbar__inner { justify-content: center; }
.topbar__msg { justify-content: center; max-width: 100%; margin-inline: auto; padding-block: 8px; text-align: center; }
.topbar__msg > svg { flex-shrink: 0; }