:root {
  --brand: #6d5cff;
  --brand-dark: #4a3de0;
  --brand-soft: #eeecff;
  --accent: #22d3c5;
  --ink: #101225;
  --ink-2: #262a44;
  --muted: #676d85;
  --surface: #ffffff;
  --surface-soft: #f7f8fc;
  --line: #e8eaf3;
  --dark: #0b0d1f;
  --dark-2: #141730;
  --warning: #a35a00;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 4px 20px rgba(16, 18, 37, .06);
  --shadow-md: 0 16px 48px rgba(16, 18, 37, .10);
  --shadow-lg: 0 32px 80px rgba(16, 18, 37, .16);
  --shadow-brand: 0 16px 40px rgba(109, 92, 255, .32);
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow, .article-container { width: min(calc(100% - 40px), 800px); margin-inline: auto; }

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .82);
  border-bottom: 1px solid rgba(232, 234, 243, .8);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
}
.nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-icon {
  display: grid; place-items: center; flex: 0 0 34px;
  width: 34px; height: 34px; border-radius: 11px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 6px 18px rgba(109, 92, 255, .38);
}
.brand-icon svg { width: 20px; height: 20px; }
.brand-text { display: flex; flex-direction: column; font-size: 19px; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.brand-text small { font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
.brand-footer .brand-text { color: #fff; font-size: 18px; }
.brand-footer { gap: 14px; margin-bottom: 14px; }
.footer-grid .brand-footer { display: flex; align-items: center; }
.brand img { width: 36px; height: 36px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 30px; font-size: 15px; font-weight: 600; }
.main-nav > a:not(.button) { position: relative; color: var(--ink-2); transition: color .2s; }
.main-nav > a:not(.button):hover { color: var(--brand); }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 24px; }

/* ============ Buttons ============ */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 48px; padding: 0 26px;
  border: 1px solid transparent; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff; font-weight: 700; font-size: 15px;
  box-shadow: var(--shadow-brand);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
  cursor: pointer;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 20px 48px rgba(109, 92, 255, .40); filter: brightness(1.05); }
.button:active { transform: translateY(0); }
.button-small { min-height: 40px; padding-inline: 18px; border-radius: 10px; font-size: 14px; }
.button-block { width: 100%; }
.button-ghost { color: var(--brand); background: #fff; border-color: #ddd9ff; box-shadow: none; }
.button-ghost:hover { color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-dark)); box-shadow: var(--shadow-brand); }
.button-light { color: var(--brand-dark); background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.button-outline-light { color: #fff; border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.06); box-shadow: none; backdrop-filter: blur(8px); }
.button-outline-light:hover { background: rgba(255,255,255,.14); }
.button-wechat { color: #fff; border-color: transparent; background: linear-gradient(135deg, #12d268, #07a84f); box-shadow: 0 12px 32px rgba(7, 192, 96, .35); }
.button-wechat:hover { box-shadow: 0 16px 40px rgba(7, 192, 96, .45); }
.text-link { color: var(--brand); font-weight: 700; }

/* ============ Dark Hero（高端深色首屏） ============ */
.hero, .page-hero, .product-hero, .article-header {
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 85% 10%, rgba(109, 92, 255, .28), transparent 60%),
    radial-gradient(ellipse 50% 45% at 10% 90%, rgba(34, 211, 197, .16), transparent 60%),
    linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 100%);
  color: #fff;
}
.hero::before, .page-hero::before, .product-hero::before, .article-header::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 40%, transparent 100%);
}
.hero .container, .page-hero .container, .product-hero .container, .article-header .container { position: relative; z-index: 2; }

.hero { padding: 110px 0 100px; }
.page-hero { padding: 60px 0 78px; }
.product-hero { padding: 56px 0 88px; }
.article-header { padding: 52px 0 70px; text-align: center; }

.hero .eyebrow, .page-hero .eyebrow, .product-hero .eyebrow, .article-header .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  color: #cfc9ff; font-size: 13px; font-weight: 700; letter-spacing: .08em;
  background: rgba(109, 92, 255, .14);
  border: 1px solid rgba(109, 92, 255, .35);
  backdrop-filter: blur(6px);
}
.hero .eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

.hero h1, .page-hero h1, .product-hero h1, .article-header h1 {
  margin: 18px 0 16px; max-width: 880px;
  font-size: clamp(42px, 5.6vw, 70px);
  line-height: 1.08; letter-spacing: -.045em; font-weight: 800;
  overflow-wrap: break-word; text-wrap: balance;
  background: linear-gradient(180deg, #fff 55%, #c9c4ff 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-lead, .page-hero p, .article-summary {
  max-width: 680px; color: rgba(235, 236, 248, .72);
  font-size: clamp(17px, 1.8vw, 20px); line-height: 1.8; text-wrap: balance;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 72px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.trust-inline { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 30px; color: rgba(235,236,248,.6); font-size: 13px; font-weight: 600; }
.trust-inline span { display: inline-flex; align-items: center; gap: 7px; }
.trust-inline span::before { content: "✓"; color: var(--accent); font-weight: 900; }

/* 深色 hero 内的面包屑 */
.page-hero .breadcrumb, .product-hero .breadcrumb, .article-header .breadcrumb { color: rgba(235,236,248,.55); }
.page-hero .breadcrumb a:hover, .product-hero .breadcrumb a:hover, .article-header .breadcrumb a:hover { color: #fff; }

/* Hero 视觉卡片（玻璃拟态） */
.hero-visual { position: relative; min-height: 460px; display: grid; place-items: center; }
.glow { position: absolute; width: 400px; height: 400px; border-radius: 50%; background: conic-gradient(from 180deg, rgba(109,92,255,.5), rgba(34,211,197,.35), rgba(109,92,255,.5)); filter: blur(60px); opacity: .6; }
.visual-card {
  position: relative; z-index: 2;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 22px;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
  color: #fff;
}
.visual-card-main { width: min(100%, 430px); padding: 42px; }
.visual-card-main small { color: rgba(235,236,248,.6); font-weight: 600; }
.visual-card-main h2 { margin: 12px 0; font-size: 30px; line-height: 1.25; letter-spacing: -.02em; }
.visual-card-main p { color: rgba(235,236,248,.65); }
.status-dot { display: inline-block; width: 9px; height: 9px; margin-right: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px rgba(34,211,197,.15); }
.mini-progress { height: 8px; margin-top: 30px; overflow: hidden; background: rgba(255,255,255,.1); border-radius: 8px; }
.mini-progress i { display: block; width: 76%; height: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--brand), var(--accent)); }
.visual-card-float { position: absolute; z-index: 3; padding: 16px 20px; color: rgba(235,236,248,.7); font-size: 13px; font-weight: 600; }
.visual-card-float strong { display: block; color: #fff; font-size: 28px; letter-spacing: -.02em; }
.visual-card-float.top { top: 34px; right: -8px; }
.visual-card-float.bottom { bottom: 42px; left: -6px; }

/* ============ Trust Strip ============ */
.trust-strip { background: var(--surface); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { padding: 28px 26px; border-right: 1px solid var(--line); }
.trust-grid > div:last-child { border: 0; }
.trust-grid strong { display: block; font-size: 15px; }
.trust-grid span { display: block; margin-top: 3px; color: var(--muted); font-size: 13px; }

/* ============ Sections ============ */
.section { padding: 100px 0; }
.section-muted { background: var(--surface-soft); }
.section-heading { max-width: 720px; margin-bottom: 44px; }
.section-heading.split { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.section-heading .eyebrow { color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.section-heading h2, .cta-panel h2 { margin: 10px 0 12px; font-size: clamp(30px, 4vw, 46px); line-height: 1.16; letter-spacing: -.035em; font-weight: 800; text-wrap: balance; }
.section-heading p { margin: 0; color: var(--muted); font-size: 17px; }

/* ============ 卡片：高端产品卡 ============ */
.card-grid { display: grid; gap: 26px; }
.product-grid { grid-template-columns: repeat(3, 1fr); }
.article-grid { grid-template-columns: repeat(3, 1fr); }

/* ============ 资讯列表（逐条排列） ============ */
.article-list { display: flex; flex-direction: column; gap: 16px; }
.article-row {
  display: flex; align-items: center; gap: 28px;
  padding: 26px 32px; border-radius: 20px;
  background: #fff; border: 1px solid rgba(13, 16, 45, .06);
  box-shadow: 0 6px 24px rgba(13, 16, 45, .05);
  color: inherit; text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.article-row:hover {
  transform: translateY(-3px);
  border-color: rgba(109, 92, 255, .3);
  box-shadow: 0 16px 40px rgba(109, 92, 255, .12);
}
.article-row-body { flex: 1; min-width: 0; }
.article-row .meta { font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: .02em; margin-bottom: 8px; }
.article-row .meta span { color: var(--brand); display: inline-flex; align-items: center; gap: 6px; }
.article-row .meta span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--accent)); box-shadow: 0 0 8px rgba(109, 92, 255, .45); }
.article-row h3 { margin: 0 0 8px; font-size: 19px; font-weight: 800; letter-spacing: -.01em; line-height: 1.4; transition: color .25s ease; }
.article-row:hover h3 { color: var(--brand-dark); }
.article-row p { margin: 0; font-size: 14px; line-height: 1.75; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-row-arrow {
  flex: 0 0 44px; width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  color: var(--brand); background: var(--brand-soft);
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.article-row-arrow svg { width: 18px; height: 18px; }
.article-row:hover .article-row-arrow { background: linear-gradient(135deg, var(--brand), var(--brand-dark)); color: #fff; transform: translateX(4px); }

/* 卡片重叠 hero 效果 */
.products-overlap { margin-top: -76px; position: relative; z-index: 3; }

/* ============ 分类切换 Tab ============ */
.category-tabs {
  display: flex; flex-wrap: wrap; gap: 4px;
  width: fit-content; max-width: 100%;
  margin: 0 auto 30px; padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(255, 255, 255, .7);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 18px 44px rgba(13, 16, 45, .16), 0 2px 8px rgba(13, 16, 45, .06);
}
.category-tab {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  padding: 10px 22px; border-radius: 999px;
  font-family: inherit; font-size: 14px; font-weight: 600; letter-spacing: .01em;
  color: var(--muted);
  transition: color .22s ease, background .22s ease, box-shadow .22s ease, transform .22s ease;
}
.category-tab:hover { color: var(--brand-dark); }
.tag-strip { display: flex; align-items: center; gap: 10px; max-width: 992px; margin: 22px auto 28px; }
.tag-strip .tag-tabs { margin: 0; flex: 1; min-width: 0; }
.tag-strip-arrow {
  appearance: none; flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff; border: 1px solid var(--line); color: var(--muted); cursor: pointer;
  box-shadow: 0 2px 8px rgba(13, 16, 45, .06);
  transition: color .2s ease, border-color .2s ease, box-shadow .2s ease, opacity .2s ease, transform .2s ease;
}
.tag-strip-arrow svg { width: 16px; height: 16px; }
.tag-strip-arrow:hover:not(:disabled) { color: var(--brand); border-color: var(--brand); box-shadow: 0 4px 14px rgba(109, 92, 255, .18); }
.tag-strip-arrow:active:not(:disabled) { transform: scale(.92); }
.tag-strip-arrow:disabled { opacity: .35; cursor: default; }
.tag-strip-arrow[hidden] { display: none; }
@media (max-width: 720px) {
  .tag-strip-arrow { display: none; }
  .tag-strip { gap: 0; }
}
.tag-tabs { display: flex; flex-wrap: nowrap; justify-content: safe center; gap: 8px; margin: 22px auto 28px; max-width: 900px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; padding: 4px 6px; }
.tag-tabs::-webkit-scrollbar { display: none; }
.tag-tabs, .category-tabs { cursor: grab; }
.tag-tabs.is-dragging, .category-tabs.is-dragging { cursor: grabbing; user-select: none; -webkit-user-select: none; }
.tag-tabs a, .category-tabs a { -webkit-user-drag: none; }
.tag-tab { flex-shrink: 0; white-space: nowrap; padding: 6px 15px; border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--muted); background: #fff; border: 1px solid var(--line); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.tag-tab:hover { color: var(--brand-dark); border-color: var(--brand); }
.tag-tab.active { color: #fff; background: var(--brand); border-color: var(--brand); }
.category-tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 8px 22px rgba(109, 92, 255, .4);
}
a.category-tab { text-decoration: none; display: inline-flex; align-items: center; }
.category-tab:active { transform: scale(.96); }
.category-tab:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.product-card.is-hidden { display: none; }
.product-card.card-enter { animation: cardIn .5s cubic-bezier(.22, .8, .32, 1) both; }
@keyframes cardIn {
  from { opacity: 0; transform: translateY(22px) scale(.97); }
  to { opacity: 1; transform: none; }
}
.category-empty { text-align: center; }

.product-card, .article-card {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.product-card:hover, .article-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
  border-color: #cfc9ff;
}
.product-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  opacity: 0; transition: opacity .25s ease;
}
.product-card:hover::before { opacity: 1; }
.product-card.featured { border-color: #bdb4ff; box-shadow: 0 12px 44px rgba(109, 92, 255, .14); }

.card-body { padding: 28px; }
.card-body h3 { margin: 16px 0 10px; font-size: 21px; line-height: 1.35; letter-spacing: -.01em; text-wrap: balance; }
.card-body h3 a:hover { color: var(--brand); }
.card-body p { color: var(--muted); font-size: 15px; }

/* 产品首字母徽章（渐变） */
.product-badge {
  display: grid; place-items: center;
  width: 52px; height: 52px; border-radius: 14px;
  color: #fff; font-size: 22px; font-weight: 800; letter-spacing: -.02em;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 10px 24px rgba(109, 92, 255, .30);
}
.card-grid > article:nth-child(2) .product-badge { background: linear-gradient(135deg, #ff7a59, #ffb86c); box-shadow: 0 10px 24px rgba(255, 122, 89, .28); }
.card-grid > article:nth-child(3) .product-badge { background: linear-gradient(135deg, #19c2a8, #4be3c9); box-shadow: 0 10px 24px rgba(25, 194, 168, .28); }
.card-grid > article:nth-child(4) .product-badge { background: linear-gradient(135deg, #f0509c, #ff8fc0); box-shadow: 0 10px 24px rgba(240, 80, 156, .28); }
.card-grid > article:nth-child(5) .product-badge { background: linear-gradient(135deg, #2f8cf0, #6cc3ff); box-shadow: 0 10px 24px rgba(47, 140, 240, .28); }
.card-grid > article:nth-child(6) .product-badge { background: linear-gradient(135deg, #8f5cf0, #c08fff); box-shadow: 0 10px 24px rgba(143, 92, 240, .28); }

.card-badge {
  position: absolute; z-index: 2; top: 18px; right: 18px;
  padding: 6px 13px; border-radius: 999px;
  color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  font-size: 12px; font-weight: 800; letter-spacing: .02em;
  box-shadow: 0 8px 20px rgba(109, 92, 255, .35);
}

.card-footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.price-wrap small { display: block; color: var(--muted); font-size: 12px; margin-bottom: 2px; }
.price { color: var(--ink); font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
.price.big { margin: 6px 0 2px; font-size: 40px; background: linear-gradient(135deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.check-list { display: grid; gap: 9px; padding: 0; margin: 18px 0 0; list-style: none; }
.check-list li { display: flex; align-items: flex-start; gap: 9px; color: var(--ink-2); font-size: 14.5px; }
.check-list li::before {
  content: "✓"; flex: 0 0 20px; display: grid; place-items: center;
  width: 20px; height: 20px; margin-top: 2px; border-radius: 50%;
  color: #fff; background: linear-gradient(135deg, var(--accent), #0ea592);
  font-size: 11px; font-weight: 900;
}

.meta, .article-meta { color: #82879c; font-size: 13px; }

/* 文章卡片 */
.product-card img, .article-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* ============ 无封面占位视觉（文章 / 产品共用） ============ */
.article-placeholder, .product-placeholder {
  position: relative; overflow: hidden;
  display: flex; align-items: flex-end;
  width: 100%; aspect-ratio: 16 / 9; padding: 18px 20px;
  color: #fff;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(255, 255, 255, .16), transparent 55%),
    radial-gradient(90% 80% at 0% 100%, rgba(34, 211, 197, .18), transparent 60%),
    linear-gradient(135deg, #171a38, #2a2f6b);
}
.article-placeholder::before, .product-placeholder::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(130% 100% at 50% 0%, #000 30%, transparent 92%);
  mask-image: radial-gradient(130% 100% at 50% 0%, #000 30%, transparent 92%);
}
.article-placeholder::after, .product-placeholder::after {
  content: ""; position: absolute; right: -44px; top: -44px;
  width: 148px; height: 148px; border-radius: 50%;
  border: 22px solid rgba(255, 255, 255, .08);
}
.ph-glyph {
  position: absolute; right: 16px; bottom: -8px;
  font-size: 96px; font-weight: 900; line-height: 1;
  color: rgba(255, 255, 255, .15); user-select: none; pointer-events: none;
}
.ph-chip {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 800; letter-spacing: .05em;
  color: #fff; background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .24);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.ph-chip::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
}
/* 按卡片位置轮换 6 套配色（与产品徽章同节奏） */
.card-grid > article:nth-child(6n+2) .article-placeholder,
.card-grid > article:nth-child(6n+2) .product-placeholder { background: radial-gradient(120% 90% at 85% 0%, rgba(255,255,255,.16), transparent 55%), linear-gradient(135deg, #4a1d12, #a34422); }
.card-grid > article:nth-child(6n+3) .article-placeholder,
.card-grid > article:nth-child(6n+3) .product-placeholder { background: radial-gradient(120% 90% at 85% 0%, rgba(255,255,255,.16), transparent 55%), linear-gradient(135deg, #0b3b34, #177666); }
.card-grid > article:nth-child(6n+4) .article-placeholder,
.card-grid > article:nth-child(6n+4) .product-placeholder { background: radial-gradient(120% 90% at 85% 0%, rgba(255,255,255,.16), transparent 55%), linear-gradient(135deg, #47122e, #8f2f61); }
.card-grid > article:nth-child(6n+5) .article-placeholder,
.card-grid > article:nth-child(6n+5) .product-placeholder { background: radial-gradient(120% 90% at 85% 0%, rgba(255,255,255,.16), transparent 55%), linear-gradient(135deg, #10294a, #2d6aa4); }
.card-grid > article:nth-child(6n+6) .article-placeholder,
.card-grid > article:nth-child(6n+6) .product-placeholder { background: radial-gradient(120% 90% at 85% 0%, rgba(255,255,255,.16), transparent 55%), linear-gradient(135deg, #2a1650, #5b3a9e); }

.article-card .card-body { padding: 24px 26px; }
.article-card .text-link { font-size: 14px; }

/* 场景区块 */
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.scenario-grid article { padding: 36px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease; }
.scenario-grid article:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.scenario-grid b { display: inline-block; color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.scenario-grid h3 { margin: 14px 0 10px; font-size: 21px; letter-spacing: -.02em; }
.scenario-grid p { margin: 0; color: var(--muted); font-size: 15px; }

/* CTA 大面板 */
.cta-panel {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  padding: 60px 64px; border-radius: 28px;
  color: #fff;
  background:
    radial-gradient(ellipse 50% 80% at 90% 10%, rgba(34,211,197,.35), transparent 55%),
    linear-gradient(120deg, #2a1e8f, var(--brand) 60%, #125e68);
  box-shadow: var(--shadow-lg);
}
.cta-panel::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 48px 48px; pointer-events: none; }
.cta-panel > * { position: relative; }
.cta-panel p { color: rgba(255,255,255,.78); margin: 0; }
.cta-panel .eyebrow.light { color: #d6d2ff; font-weight: 800; letter-spacing: .1em; font-size: 13px; }

/* ============ 产品详情 ============ */
.product-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: center; }
.purchase-card, .article-cta, .contact-card, .side-panel {
  padding: 32px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}
.product-hero .purchase-card {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
  color: #fff;
}
.product-hero .purchase-card small { color: rgba(235,236,248,.65); font-weight: 600; letter-spacing: .06em; }
.product-hero .purchase-card del { color: rgba(235,236,248,.5); }
.product-hero .purchase-card .fine-print { color: rgba(235,236,248,.6); font-size: 12px; }
.product-hero .purchase-card .button-ghost { color: #fff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.3); }
.product-hero .purchase-card .button-ghost:hover { background: rgba(255,255,255,.18); }
.product-hero .purchase-card .button + .button { margin-top: 12px; }
.product-hero .check-list li { color: rgba(235,236,248,.82); }

.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 60px; align-items: start; }
.side-panel { position: sticky; top: 100px; box-shadow: var(--shadow-sm); }
.side-panel h3 { margin-top: 0; }
.steps { display: grid; gap: 16px; padding: 0; list-style: none; }
.steps li { display: flex; gap: 13px; align-items: center; color: var(--ink-2); font-size: 15px; }
.steps b { display: grid; width: 28px; height: 28px; place-items: center; flex: 0 0 28px; border-radius: 50%; color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-dark)); font-size: 13px; }

/* ============ 文章详情 ============ */
.article-header .breadcrumb { justify-content: center; }
.article-header .eyebrow { margin-bottom: 6px; }
.article-summary { margin: 0 auto 22px; }
.article-header .article-meta { color: rgba(235,236,248,.55); }
.article-section { padding-top: 76px; padding-bottom: 48px; margin-top: -60px; position: relative; z-index: 3; }
.article-layout { display: grid; grid-template-columns: minmax(0, 980px) 300px; justify-content: center; gap: 40px; align-items: start; }
.article-prose {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 48px 54px; box-shadow: var(--shadow-md);
}
.article-aside { position: sticky; top: 98px; display: grid; gap: 20px; }
.article-cta { box-shadow: var(--shadow-sm); }
.article-cta .eyebrow { color: var(--brand); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.article-cta h3, .contact-card h3 { margin: 8px 0; font-size: 21px; }
.article-cta p, .contact-card p { color: var(--muted); font-size: 14px; }
.contact-card { box-shadow: var(--shadow-sm); background: var(--surface-soft); }

/* 导航搜索 */
.nav-search { position: relative; display: inline-flex; align-items: center; }
.nav-search-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border: 0; border-radius: 50%; cursor: pointer;
  background: transparent; color: var(--ink);
  transition: background .2s ease, color .2s ease;
}
.nav-search-btn:hover { background: rgba(109, 92, 255, .1); color: var(--brand); }
.nav-search-btn svg { width: 17px; height: 17px; }
.nav-search-form {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 60;
  width: min(380px, calc(100vw - 32px));
  animation: searchIn .22s ease both;
}
.nav-search-form[hidden] { display: none; }
@keyframes searchIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.nav-search-form input {
  width: 100%; padding: 10px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: #fff;
  font-family: inherit; font-size: 13px; color: var(--ink);
  box-shadow: 0 14px 36px rgba(13, 16, 45, .14);
  outline: none;
}
.nav-search-form input:focus { border-color: var(--brand); }

/* 搜索页 */
.search-hero-title { margin-bottom: 8px; }
.search-hero-form { display: flex; gap: 10px; margin-top: 18px; max-width: 560px; }
.search-hero-form input {
  flex: 1; padding: 13px 20px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .1);
  color: #fff; font-family: inherit; font-size: 15px; outline: none;
  backdrop-filter: blur(8px);
}
.search-hero-form input::placeholder { color: rgba(235, 236, 248, .55); }
.search-hero-form input:focus { border-color: rgba(255, 255, 255, .6); background: rgba(255, 255, 255, .16); }
.search-hero-form input::-webkit-search-cancel-button {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; cursor: pointer;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 6l12 12M18 6L6 18' stroke='white' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity: .75;
}
.search-hero-form input::-webkit-search-cancel-button:hover { opacity: 1; }
.search-group-title { font-size: 20px; margin: 0 0 18px; }
.search-input-wrap { position: relative; flex: 1; display: flex; }
.search-input-wrap input { width: 100%; padding-right: 96px; }
.nav-search-form .search-input-wrap input { padding-right: 46px; }
.search-enter-hint {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  padding: 3px 9px; border-radius: 6px; pointer-events: none;
  font-family: inherit; font-size: 11px; color: rgba(235, 236, 248, .6);
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18);
}
.nav-search-form .search-enter-hint { color: var(--muted); background: var(--surface-soft); border-color: var(--line); }

/* 页眉公告条 */
.announcement-bar {
  position: relative; z-index: 50;
  background: linear-gradient(90deg, var(--brand), var(--brand-dark));
  color: #fff;
}
.announcement-bar[hidden] { display: none !important; }
.announcement-inner { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 9px 40px 9px 16px; position: relative; }
.announcement-text { display: inline-flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; letter-spacing: .01em; text-align: center; }
.announcement-text svg { width: 18px; height: 18px; flex-shrink: 0; }
.announcement-text a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.announcement-close {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, .18); color: #fff; font-size: 14px; line-height: 1;
  transition: background .2s ease;
}
.announcement-close:hover { background: rgba(255, 255, 255, .32); }

/* 静态页（关于/联系/隐私/免责）排版收紧 */
.static-body { padding: 48px 0 24px; }
.static-body .prose h2 { margin: 36px 0 14px; }
.static-body .prose h2:first-child { margin-top: 0; }
.static-body .prose p { margin: 0 0 16px; }
.static-body .prose ul, .static-body .prose ol { margin: 0 0 16px; }
.why-us.section {
  padding: 28px 0 72px;
  background: linear-gradient(180deg, #ffffff 0%, var(--surface-soft) 110px);
}
.why-us .why-card { background: rgba(255, 255, 255, .9); backdrop-filter: blur(6px); }

/* 为什么选我们（关于页） */
.why-us .section-heading.split {
  align-items: end; padding-bottom: 22px; margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}
.why-us .section-heading .eyebrow {
  display: inline-block; padding: 5px 13px; border-radius: 999px;
  background: rgba(109, 92, 255, .09); border: 1px solid rgba(109, 92, 255, .2);
}
.why-us .section-heading h2 { margin-bottom: 0; }
.why-us .section-heading p { white-space: nowrap; text-align: right; padding-bottom: 6px; }
@media (max-width: 720px) {
  .why-us .section-heading.split { flex-direction: column; align-items: start; gap: 8px; }
  .why-us .section-heading p { text-align: left; white-space: normal; }
}
.why-us .section-heading .eyebrow { display: inline-block; margin-bottom: 10px; color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .1em; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-card {
  padding: 30px 26px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(109, 92, 255, .3); }
.why-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 13px; margin-bottom: 16px;
  color: var(--brand); background: rgba(109, 92, 255, .1);
}
.why-icon svg { width: 23px; height: 23px; }
.why-card h3 { margin: 0 0 10px; font-size: 18px; letter-spacing: -.01em; }
.why-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
@media (max-width: 980px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } }

/* 收藏本站悬浮按钮 */
.bookmark-fab[hidden] { display: none !important; }
.bookmark-fab {
  position: fixed; z-index: 46; right: 22px; bottom: 96px;
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
  animation: bookmarkIn .5s cubic-bezier(.22, .8, .32, 1) both;
}
@keyframes bookmarkIn { from { opacity: 0; transform: translateY(14px) scale(.94); } to { opacity: 1; transform: none; } }
.bookmark-main {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 18px; border: 0; border-radius: 999px; cursor: pointer;
  font-family: inherit; font-size: 13px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 10px 26px rgba(109, 92, 255, .42);
  transition: transform .22s ease, box-shadow .22s ease;
}
.bookmark-main:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(109, 92, 255, .5); }
.bookmark-main svg { width: 16px; height: 16px; }
.bookmark-close {
  position: absolute; top: -8px; left: -8px; width: 22px; height: 22px;
  border: 0; border-radius: 50%; cursor: pointer;
  background: #fff; color: var(--muted); font-size: 14px; line-height: 1;
  box-shadow: 0 2px 8px rgba(13, 16, 45, .2);
}
.bookmark-close:hover { color: var(--ink); }
.bookmark-fab { position: fixed; }
.bookmark-fab .bookmark-main { position: relative; }
.bookmark-tip {
  position: absolute; right: 0; bottom: calc(100% + 10px); width: 220px;
  padding: 14px 16px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-md);
}
.bookmark-tip p { margin: 0 0 10px; font-size: 13px; color: var(--ink); line-height: 1.6; }
.bookmark-tip kbd {
  padding: 2px 7px; border-radius: 6px; font-size: 12px; font-family: inherit;
  background: var(--surface-soft, #f2f3fa); border: 1px solid var(--line);
}
.bookmark-done {
  width: 100%; padding: 8px 0; border: 0; border-radius: 8px; cursor: pointer;
  font-family: inherit; font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
}
@media (max-width: 720px) { .bookmark-fab { display: none; } }

/* 上一篇 / 下一篇 */
.article-prevnext-section { padding: 0 0 56px; margin-top: -40px; }
.article-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pn-link {
  display: flex; flex-direction: column; gap: 6px;
  padding: 20px 24px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm); text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
a.pn-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: rgba(109, 92, 255, .35); }
.pn-link.pn-next .pn-label { text-align: right; }
.pn-placeholder { background: transparent; border: 0; box-shadow: none; }
.pn-label { font-size: 12px; font-weight: 800; letter-spacing: .08em; color: var(--brand); }
.pn-title { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 720px) { .article-prevnext { grid-template-columns: 1fr; } .pn-link.pn-next .pn-label { text-align: left; } }

/* 正文排版 */
.prose { color: #2b2e45; font-size: 17px; line-height: 1.9; }
.prose h2 { margin: 52px 0 18px; font-size: 30px; line-height: 1.3; letter-spacing: -.02em; font-weight: 800; }
.prose h3 { margin: 36px 0 14px; font-size: 23px; letter-spacing: -.01em; }
.prose p { margin: 0 0 22px; }
.prose a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.prose img { margin: 30px auto; border-radius: 14px; }
.prose blockquote, .notice { margin: 30px 0; padding: 22px 26px; border-left: 4px solid var(--brand); background: var(--brand-soft); border-radius: 0 14px 14px 0; }
.notice.warning { border-color: #f0a64b; background: #fff8ee; color: var(--warning); }
.prose pre { overflow: auto; padding: 24px; color: #e8eaff; background: #171a2c; border-radius: 14px; }
.prose table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px; }
.prose th, .prose td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--surface-soft); }
.sources { margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line); }
.sources h2 { font-size: 20px; }

.pagination { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 44px; }
.page-num, .page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 14px; border-radius: 12px;
  font-size: 14px; font-weight: 700; text-decoration: none;
  color: var(--muted); background: #fff; border: 1px solid rgba(13, 16, 45, .08);
  transition: all .22s ease;
}
.page-num:hover, .page-btn:hover { color: var(--brand-dark); border-color: rgba(109, 92, 255, .4); box-shadow: 0 6px 16px rgba(109, 92, 255, .14); transform: translateY(-1px); }
.page-num.current {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 8px 20px rgba(109, 92, 255, .35);
}
.page-btn.disabled { opacity: .4; pointer-events: none; }

.empty-card { grid-column: 1 / -1; padding: 52px; border: 1px dashed #c9ccda; border-radius: var(--radius); text-align: center; color: var(--muted); background: #fff; }

/* ============ Footer ============ */
.site-footer { position: relative; padding: 76px 0 26px; color: #d9dbea; background: linear-gradient(180deg, #10132a, var(--dark)); }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(109,92,255,.5), rgba(34,211,197,.5), transparent); }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 48px; }
.footer-grid h3 { color: #fff; font-size: 15px; }
.footer-grid a, .footer-grid p { display: block; margin: 8px 0; color: #a6abc5; font-size: 14px; transition: color .2s; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid #262a45; color: #838aa5; font-size: 13px; }

.floating-contact {
  position: fixed; z-index: 40; right: 24px; bottom: 24px;
  display: grid; width: 58px; height: 58px; place-items: center;
  border-radius: 50%; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 16px 40px rgba(109,92,255,.45);
  font-weight: 800; font-size: 14px;
  transition: transform .2s ease;
}
.floating-contact:hover { transform: translateY(-3px) scale(1.05); }

.mobile-action-bar { display: none; }
.error-page { min-height: 70vh; display: grid; place-items: center; padding: 50px 20px; text-align: center; }
.error-page h1 { font-size: clamp(36px, 6vw, 62px); margin: 8px 0; }

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .hero-grid, .product-hero-grid, .content-layout, .article-layout { grid-template-columns: 1fr; }
  .hero-visual { min-height: 400px; }
  .product-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid > div:nth-child(2) { border-right: 0; }
  .article-aside, .side-panel { position: static; }
  .article-aside { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .article-prose { padding: 36px 30px; }
}

@media (max-width: 720px) {
  .container, .narrow, .article-container { width: min(calc(100% - 28px), var(--container)); }
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 71px; left: 0; right: 0; display: none; padding: 18px 20px 24px; flex-direction: column; align-items: stretch; gap: 8px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 14px 30px rgba(30,34,60,.08); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 9px 0; }
  .hero { padding: 70px 0 64px; }
  .hero-grid { gap: 44px; }
  .hero h1, .page-hero h1, .product-hero h1, .article-header h1 { font-size: clamp(30px, 8.6vw, 40px); overflow-wrap: break-word; word-break: break-word; }
  .hero-actions .button { flex: 1 1 100%; }
  .hero-actions .hero-qr-wrap { flex: 1 1 100%; }
  .hero-qr-wrap .button { width: 100%; }
  .hero-visual { min-height: 330px; }
  .visual-card-main { padding: 30px; }
  .visual-card-float.top { right: 0; }
  .visual-card-float.bottom { bottom: 6px; }
  .trust-grid, .product-grid, .article-grid, .scenario-grid, .article-aside, .footer-grid { grid-template-columns: 1fr; }
  .trust-grid > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .section { padding: 68px 0; }
  .page-hero { padding: 64px 0 90px; }
  .article-row { padding: 20px 22px; gap: 18px; }
  .article-row-arrow { flex-basis: 38px; width: 38px; height: 38px; }
  .product-hero { padding: 56px 0 110px; }
  .article-header { padding: 56px 0 90px; text-align: left; }
  .article-header .breadcrumb { justify-content: flex-start; }
  .section-heading.split, .cta-panel { align-items: flex-start; flex-direction: column; }
  .cta-panel { padding: 40px 28px; }
  .prose { font-size: 16px; }
  .prose h2 { font-size: 26px; }
  .article-prose { padding: 28px 20px; border-radius: 16px; }
  .products-overlap { margin-top: -56px; }
  .category-tabs {
    margin-bottom: 22px; width: 100%; flex-wrap: nowrap;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    justify-content: safe center;
    scrollbar-width: none; padding: 5px;
  }
  .category-tabs::-webkit-scrollbar { display: none; }
  .category-tab { padding: 9px 16px; font-size: 13px; flex-shrink: 0; white-space: nowrap; }
  .mobile-action-bar {
    position: fixed; z-index: 45; left: 0; right: 0; bottom: 0;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: rgba(255,255,255,.96); backdrop-filter: blur(12px);
    box-shadow: 0 -12px 30px rgba(23,26,50,.1);
  }
  .mobile-action-bar span, .mobile-action-bar small, .mobile-action-bar strong { display: block; }
  .mobile-action-bar small { color: var(--muted); font-size: 11px; }
  .mobile-action-bar strong { color: var(--ink); font-size: 17px; }
  .ph-glyph { font-size: 64px; right: 12px; bottom: -6px; }
  .ph-chip { padding: 6px 11px; font-size: 12px; }
  .article-placeholder::after, .product-placeholder::after { width: 108px; height: 108px; border-width: 16px; right: -32px; top: -32px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

.purchase-category{margin:26px 0 14px;font-size:20px}
.contact-panel{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.contact-qr{border-radius:12px;background:#fff;padding:8px;box-shadow:0 8px 24px rgba(0,0,0,.15)}
.contact-note{font-size:13px;opacity:.75}

.floating-contact-wrap { position: fixed; z-index: 40; right: 24px; bottom: 24px; }
.floating-contact-wrap .floating-contact { position: static; }
.wechat-pop {
  position: absolute; right: 70px; bottom: 0; width: 200px;
  background: #fff; border-radius: 14px; padding: 12px;
  box-shadow: 0 18px 50px rgba(15,18,35,.25);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  text-align: center;
}
.wechat-pop img { width: 100%; height: auto; border-radius: 8px; display: block; }
.wechat-pop p { margin: 10px 0 2px; font-size: 13px; color: #3c4160; line-height: 1.5; }
.wechat-pop p b { color: var(--brand); }
.floating-contact-wrap:hover .wechat-pop { opacity: 1; visibility: visible; transform: translateY(0); }
.floating-contact-wrap.open .wechat-pop { opacity: 1; visibility: visible; transform: translateY(0); }

@media (max-width: 720px) {
  .floating-contact-wrap { right: 16px; bottom: 88px; }
}

.hero-qr-wrap { position: relative; display: inline-block; }
.hero-qr-wrap .wechat-pop {
  right: auto; bottom: calc(100% + 12px); left: 50%;
  transform: translate(-50%, 8px);
}
.hero-qr-wrap:hover .wechat-pop,
.hero-qr-wrap.open .wechat-pop { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ============ 在线下单 / 收银台 ============ */
.order-wrap { max-width: 560px; }
.order-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 34px 30px; box-shadow: 0 18px 44px rgba(13, 16, 45, .08); }
.order-product-name { font-size: 24px; margin: 8px 0 6px; }
.order-summary { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.order-price-row { display: flex; align-items: baseline; gap: 12px; margin: 10px 0 18px; }
.order-price-row .price { font-size: 30px; color: var(--brand-dark); }
.order-original { color: var(--muted); font-size: 14px; }
.order-orderno { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.order-tip-inline { font-size: 12px; }
.order-form label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 6px; }
.order-form input { width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 14px; font-family: inherit; box-sizing: border-box; }
.order-form input:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.order-form .button { margin-top: 18px; }
.order-tip { font-size: 12px; color: var(--muted); text-align: center; margin-top: 12px; }
.order-notice { background: #fff8e6; border: 1px solid #f2e3b6; color: #7a5b12; border-radius: 10px; padding: 12px 16px; font-size: 14px; margin-top: 12px; }
.order-error { background: #fdeeee; border: 1px solid #f5c6c6; color: #a33232; border-radius: 10px; padding: 12px 16px; font-size: 14px; margin-top: 12px; }
.qr-box { display: flex; justify-content: center; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px; width: fit-content; margin: 6px auto; }
.order-waiting { text-align: center; color: var(--muted); font-size: 13px; margin-top: 14px; }
.order-success { text-align: center; font-size: 17px; font-weight: 700; color: #0a8f4d; margin: 8px 0 16px; }
.cardkey-box { display: flex; align-items: center; gap: 10px; background: #f6f6fb; border: 1px dashed var(--brand); border-radius: 12px; padding: 14px 16px; }
.cardkey-box code { flex: 1; font-size: 15px; word-break: break-all; color: var(--brand-dark); }
.order-result { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 16px; }
@media (max-width: 720px) {
  .order-card { padding: 26px 20px; }
}

/* ============ 环境自检工具 ============ */
.env-hero { text-align: center; }
.env-hero .breadcrumb { display: inline-block; }
.env-hero p { margin: 0 auto; }

.env-tool-section { padding: 10px 0 80px; }

/* ---- 记分面板 ---- */
.env-score-panel {
  display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: center;
  margin-top: -64px; position: relative; z-index: 3;
  background: #fff; border: 1px solid rgba(109, 92, 255, .1); border-radius: 24px;
  padding: 40px 44px;
  box-shadow: 0 24px 70px -18px rgba(30, 27, 75, .18), 0 4px 16px rgba(30, 27, 75, .05);
}
.env-gauge { position: relative; width: 200px; height: 200px; margin: 0 auto; }
.env-gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gauge-track { fill: none; stroke: #eef0f8; stroke-width: 13; }
.gauge-fill {
  fill: none; stroke: url(#gaugeGrad); stroke-width: 13; stroke-linecap: round;
  stroke-dasharray: 427.26; stroke-dashoffset: 427.26;
  transition: stroke-dashoffset .15s linear;
}
.env-gauge-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
}
.env-gauge-center strong { font-size: 52px; font-weight: 800; letter-spacing: -.04em; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.env-gauge-center > span { font-size: 12px; color: var(--muted); font-weight: 600; }
.env-score-level { font-style: normal; display: inline-block; margin-top: 8px; padding: 4px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--surface-soft); color: var(--muted); }

.env-score-right p { margin: 0 0 18px; color: var(--muted); font-size: 14.5px; line-height: 1.9; max-width: 560px; }
.env-score-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13px; color: var(--muted); margin-bottom: 24px; font-weight: 600; }
.env-score-legend span { display: inline-flex; align-items: center; gap: 7px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-ok { background: #22c58b; box-shadow: 0 0 0 3px rgba(34,197,139,.15); }
.dot-warn { background: #f5a623; box-shadow: 0 0 0 3px rgba(245,166,35,.15); }
.dot-risk { background: #ef4f5f; box-shadow: 0 0 0 3px rgba(239,79,95,.15); }

.env-run-btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 30px; font-size: 15px; }
.env-run-btn svg { transition: transform .2s ease; }
.env-run-btn:hover svg { transform: translateX(2px); }
.env-run-btn.is-loading { opacity: .75; }
.env-run-btn.is-loading svg { animation: env-spin 1s linear infinite; }
@keyframes env-spin { to { transform: rotate(360deg); } }

/* ---- 信号卡片 ---- */
.env-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.env-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 22px 22px 20px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.env-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px -12px rgba(30, 27, 75, .14); border-color: rgba(109, 92, 255, .22); }
.env-card-done { animation: env-pop .45s cubic-bezier(.2, .9, .3, 1.2); }
@keyframes env-pop { 0% { transform: scale(.97); } 100% { transform: scale(1); } }
.env-card-icon {
  flex: none; width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  color: var(--brand); background: linear-gradient(140deg, var(--brand-soft), #f3f1ff);
  border: 1px solid rgba(109, 92, 255, .12);
}
.env-card-icon svg { width: 20px !important; height: 20px !important; max-width: 20px; max-height: 20px; }
.env-card-body { flex: 1; min-width: 0; }
.env-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.env-card-head b { font-size: 15.5px; color: var(--ink); letter-spacing: -.01em; }
.env-weight { font-size: 11.5px; font-weight: 700; color: var(--brand); background: var(--brand-soft); padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.env-card-body > p { margin: 9px 0 14px; font-size: 13px; color: var(--muted); line-height: 1.75; }
.env-result { display: flex; align-items: baseline; gap: 9px; flex-wrap: wrap; padding-top: 12px; border-top: 1px dashed #e9ebf4; }
.env-badge { position: relative; font-size: 12px; font-weight: 700; padding: 3px 11px 3px 22px; border-radius: 999px; background: var(--surface-soft); color: var(--muted); white-space: nowrap; }
.env-badge::before { content: ""; position: absolute; left: 9px; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .55; }
.env-badge-ok { background: #e5f9f1; color: #0c9b6c; }
.env-badge-warn { background: #fdf3e0; color: #c07d0a; }
.env-badge-risk { background: #fdebec; color: #d33a4a; }
.env-badge-info { background: #eef0fb; color: #5560a8; }
.env-detail { font-size: 12px; color: #8a90a8; word-break: break-all; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* ---- 建议卡片 ---- */
.env-tips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.env-tip {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #fff 60%, #f8f7ff 100%);
  border: 1px solid var(--line); border-radius: 18px; padding: 26px 26px 24px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.env-tip:hover { transform: translateY(-3px); box-shadow: 0 14px 34px -12px rgba(30, 27, 75, .14); }
.env-tip i {
  font-style: normal; display: block; margin-bottom: 14px;
  font-size: 30px; font-weight: 800; letter-spacing: -.02em; line-height: 1;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.env-tip b { font-size: 15.5px; color: var(--ink); letter-spacing: -.01em; }
.env-tip p { margin: 9px 0 0; font-size: 13px; color: var(--muted); line-height: 1.85; }

/* ---- FAQ ---- */
.env-faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 0 24px; margin-bottom: 12px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.env-faq details:hover { border-color: rgba(109, 92, 255, .25); }
.env-faq details[open] { border-color: rgba(109, 92, 255, .3); box-shadow: 0 10px 30px -14px rgba(30, 27, 75, .12); }
.env-faq summary {
  cursor: pointer; font-weight: 700; font-size: 15px; color: var(--ink);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 0;
}
.env-faq summary::-webkit-details-marker { display: none; }
.env-faq summary::after {
  content: ""; flex: none; width: 26px; height: 26px; border-radius: 8px;
  background: var(--brand-soft) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%236d5cff" stroke-width="2.4" stroke-linecap="round"><path d="M12 5v14M5 12h14"/></svg>') center / 14px no-repeat;
  transition: transform .3s ease, background-color .25s ease;
}
.env-faq details[open] summary::after {
  transform: rotate(135deg);
  background-color: rgba(109, 92, 255, .16);
}
.env-faq details p { margin: 0; padding: 0 0 20px; font-size: 14px; color: var(--muted); line-height: 1.9; max-width: 720px; }

.env-privacy { margin-top: 44px; font-size: 12.5px; color: var(--muted); line-height: 1.9; border-top: 1px solid var(--line); padding-top: 22px; }

@media (max-width: 960px) {
  .env-grid, .env-tips { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .env-score-panel { grid-template-columns: 1fr; gap: 28px; padding: 30px 26px; text-align: center; }
  .env-score-right p { margin-left: auto; margin-right: auto; }
  .env-score-legend { justify-content: center; }
}
@media (max-width: 640px) {
  .env-grid, .env-tips { grid-template-columns: 1fr; }
  .env-gauge { width: 168px; height: 168px; }
  .env-gauge-center strong { font-size: 42px; }
}

/* 微信号点击复制 */
.wechat-copy {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  width: 100%; margin-top: 8px; padding: 7px 10px;
  border: 1px dashed rgba(109, 92, 255, .45); border-radius: 9px;
  background: var(--brand-soft); color: var(--brand);
  font-size: 12.5px; font-weight: 700; cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}
.wechat-copy:hover { background: #e6e2ff; border-color: var(--brand); }
.wechat-copy:active { transform: scale(.97); }
.wechat-copy.copied { background: #e5f9f1; border-color: #22c58b; color: #0c9b6c; }