/* ============================================================================
   中腾微网 · 玻璃深空 (Glass Deep Space) — Storefront design system
   ----------------------------------------------------------------------------
   · Independent template. Restyles the proven storefront markup with a
     deep-space glassmorphism identity: frosted glass over real imagery,
     a single restrained accent (teal) + cool secondary, ambient drift and a
     cursor-following glass lens.
   · Keeps every class name from the classic system so all EJS views keep
     working and the template stays safely switchable in the back office.
   · 4 switchable colour themes via [data-theme] on <html> (graphite = flagship).
   · Fonts (Sora + Noto Sans SC for flawless CN/EN, IBM Plex Mono for specs)
     are loaded in partials/head.ejs with preconnect.
   · Admin back-office styles live in /css/admin.css (untouched).
   ============================================================================ */

/* ---------- Theme-agnostic tokens ---------- */
:root {
  /* Typography — CN/EN perfect: Latin glyphs from Sora, CJK fallback to Noto Sans SC */
  --font-display: 'Sora', 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Sora', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, 'Noto Sans SC', monospace;

  /* Spacing — 8pt grid */
  --s1: 8px;  --s2: 16px; --s3: 24px; --s4: 32px;
  --s5: 48px; --s6: 64px; --s7: 96px; --s8: 128px;

  /* Radius */
  --r-sm: 10px; --r: 16px; --r-lg: 22px; --r-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --eur: cubic-bezier(.2, .7, .2, 1);
  --dur: .45s;

  --container: 1240px;

  /* Default (fallback) theme = graphite deep-space, so the site never renders unstyled */
  --bg:#060a12; --bg-1:#0a0f1a; --bg-2:#0e1626; --bg-3:#13203a;
  --line:#1c2740; --line-soft:#141d31;
  --text:#eaf1fb; --text-2:#9fb1c9; --text-3:#61748f;
  --accent:#36d2c4; --accent-2:#5b9bff;
  --accent-soft:rgba(54,210,196,.10); --accent-line:rgba(54,210,196,.34);
  --on-accent:#04121a; --ok:#46d6a8;
  --glass:rgba(255,255,255,.055); --glass-strong:rgba(255,255,255,.09);
  --glass-bd:rgba(255,255,255,.14);
  --topbar-bg:rgba(6,10,18,.72); --header-bg:rgba(8,12,22,.55); --header-bg-scrolled:rgba(6,10,18,.86);
  --footer-bg:#060a12;
  --sh-1:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.45);
  --sh-2:0 1px 0 rgba(255,255,255,.05) inset, 0 24px 70px rgba(0,0,0,.55);
  --grain-1:rgba(54,210,196,.10); --grain-2:rgba(91,155,255,.08);
  --theme-color:#060a12;
}

/* ---------- PRESET 1 · GRAPHITE (flagship: deep-space teal) ---------- */
:root[data-theme="graphite"] {
  --bg:#060a12; --bg-1:#0a0f1a; --bg-2:#0e1626; --bg-3:#13203a;
  --line:#1c2740; --line-soft:#141d31;
  --text:#eaf1fb; --text-2:#9fb1c9; --text-3:#61748f;
  --accent:#36d2c4; --accent-2:#5b9bff;
  --accent-soft:rgba(54,210,196,.10); --accent-line:rgba(54,210,196,.34);
  --on-accent:#04121a; --ok:#46d6a8;
  --glass:rgba(255,255,255,.055); --glass-strong:rgba(255,255,255,.09); --glass-bd:rgba(255,255,255,.14);
  --topbar-bg:rgba(6,10,18,.72); --header-bg:rgba(8,12,22,.55); --header-bg-scrolled:rgba(6,10,18,.86);
  --footer-bg:#060a12;
  --sh-1:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.45);
  --sh-2:0 1px 0 rgba(255,255,255,.05) inset, 0 24px 70px rgba(0,0,0,.55);
  --grain-1:rgba(54,210,196,.10); --grain-2:rgba(91,155,255,.08);
  --theme-color:#060a12;
}

/* ---------- PRESET 2 · AZURE (deep-space blue) ---------- */
:root[data-theme="azure"] {
  --bg:#070d1c; --bg-1:#0b1426; --bg-2:#0f1d38; --bg-3:#15305a;
  --line:#1d3358; --line-soft:#142844;
  --text:#e7f1fb; --text-2:#9db4cc; --text-3:#5e7793;
  --accent:#3fa9f0; --accent-2:#6fc4f5;
  --accent-soft:rgba(63,169,240,.12); --accent-line:rgba(63,169,240,.40);
  --on-accent:#04121f; --ok:#46d6c0;
  --glass:rgba(255,255,255,.055); --glass-strong:rgba(255,255,255,.09); --glass-bd:rgba(255,255,255,.14);
  --topbar-bg:rgba(7,13,28,.72); --header-bg:rgba(9,16,33,.55); --header-bg-scrolled:rgba(7,13,28,.86);
  --footer-bg:#070d1c;
  --sh-1:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.50);
  --sh-2:0 1px 0 rgba(255,255,255,.05) inset, 0 24px 70px rgba(0,0,0,.58);
  --grain-1:rgba(63,169,240,.10); --grain-2:rgba(54,210,196,.07);
  --theme-color:#070d1c;
}

/* ---------- PRESET 3 · LINEN (light, frosted glass over daylight) ---------- */
:root[data-theme="linen"] {
  --bg:#e9eef5; --bg-1:#eef2f8; --bg-2:#ffffff; --bg-3:#dde5ef;
  --line:#c9d4e2; --line-soft:#dde4ee;
  --text:#0d1622; --text-2:#4a5a73; --text-3:#8294ad;
  --accent:#0e8d7e; --accent-2:#2563eb;
  --accent-soft:rgba(14,141,126,.10); --accent-line:rgba(14,141,126,.34);
  --on-accent:#ffffff; --ok:#1f9d6b;
  --glass:rgba(255,255,255,.55); --glass-strong:rgba(255,255,255,.72); --glass-bd:rgba(20,40,80,.14);
  --topbar-bg:rgba(233,238,245,.78); --header-bg:rgba(238,242,248,.55); --header-bg-scrolled:rgba(233,238,245,.94);
  --footer-bg:#0f172a;
  --sh-1:0 1px 0 rgba(255,255,255,.6) inset, 0 10px 30px rgba(15,23,42,.10);
  --sh-2:0 1px 0 rgba(255,255,255,.7) inset, 0 24px 70px rgba(15,23,42,.14);
  --grain-1:rgba(14,141,126,.07); --grain-2:rgba(37,99,235,.05);
  --theme-color:#e9eef5;
}

/* ---------- PRESET 4 · EVERGREEN (deep-space green) ---------- */
:root[data-theme="evergreen"] {
  --bg:#06110d; --bg-1:#0a1812; --bg-2:#0e2018; --bg-3:#123226;
  --line:#1d3a30; --line-soft:#142a23;
  --text:#e7f3ec; --text-2:#9bc4b1; --text-3:#5e8576;
  --accent:#2ecc8f; --accent-2:#5fe0ad;
  --accent-soft:rgba(46,204,143,.12); --accent-line:rgba(46,204,143,.40);
  --on-accent:#042018; --ok:#7ee0a8;
  --glass:rgba(255,255,255,.055); --glass-strong:rgba(255,255,255,.09); --glass-bd:rgba(255,255,255,.14);
  --topbar-bg:rgba(6,17,13,.72); --header-bg:rgba(8,20,16,.55); --header-bg-scrolled:rgba(6,17,13,.86);
  --footer-bg:#06110d;
  --sh-1:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.50);
  --sh-2:0 1px 0 rgba(255,255,255,.05) inset, 0 24px 70px rgba(0,0,0,.58);
  --grain-1:rgba(46,204,143,.09); --grain-2:rgba(54,210,196,.06);
  --theme-color:#06110d;
}

/* ===================== RESET / BASE ===================== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: .1px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
/* Ambient living background — slow drifting colour glow behind everything */
body::before{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
  background:
    radial-gradient(1100px 620px at 82% -8%, var(--grain-1), transparent 60%),
    radial-gradient(900px 520px at -8% 112%, var(--grain-2), transparent 60%);
  transition: background var(--dur) var(--ease);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent); color: var(--on-accent); }

h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -.01em; margin: 0; text-wrap: pretty; }
p { margin: 0; text-wrap: pretty; }

/* CJK (zh) typography: relaxed leading + neutral tracking so Chinese pages
   feel as airy as Latin ones (the Sora→Noto Sans SC stack handles glyphs). */
body:lang(zh) { line-height: 1.78; letter-spacing: .2px; }
h1:lang(zh), h2:lang(zh), h3:lang(zh), h4:lang(zh), h5:lang(zh), h6:lang(zh) { letter-spacing: .01em; line-height: 1.3; }
.hero h1:lang(zh), .page-hero h1:lang(zh), .product-title:lang(zh) { letter-spacing: .01em; line-height: 1.24; }
.section-head h2:lang(zh), .section-title:lang(zh) { line-height: 1.3; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: var(--r-sm);
}
.skip-link:focus { left: 12px; top: 12px; }

/* ===================== LAYOUT ===================== */
.container { width: min(100% - 40px, var(--container)); margin-inline: auto; position: relative; z-index: 1; }
.container.narrow { max-width: 900px; }
#main { position: relative; z-index: 1; }
#main > .container { padding-top: clamp(28px, 5vw, 56px); padding-bottom: var(--s5); }

.section { padding-block: var(--s6); position: relative; }
.section--tight { padding-block: var(--s5); }
.section-alt { background: var(--bg-1); border-block: 1px solid var(--line-soft); transition: background var(--dur) var(--ease); }

.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s4); margin-bottom: var(--s5); flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); max-width: 20ch; }
.section-head p { color: var(--text-3); margin-top: 8px; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); max-width: 22ch; }
.section-lead { color: var(--text-2); max-width: 56ch; margin-top: var(--s2); font-size: 1.05rem; }

.eyebrow {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); display: inline-flex; align-items: center; gap: 10px; margin: 0 0 var(--s2);
}
.eyebrow::before { content:""; width: 26px; height: 1px; background: var(--accent-line); }

.link-all { color: var(--accent-2); font-weight: 600; font-size: 15px; white-space: nowrap; }
.link-all:hover { color: var(--accent); }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 22px; border-radius: var(--r-pill);
  font-weight: 600; font-size: 15px; border: 1px solid transparent;
  font-family: var(--font-body);
  transition: transform .2s var(--ease), background .25s, border-color .25s, color .25s, box-shadow .25s;
  cursor: pointer; line-height: 1.1;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary, .btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--on-accent); box-shadow: 0 8px 26px var(--accent-soft); }
.btn-primary:hover, .btn-accent:hover { transform: translateY(-2px); box-shadow: 0 12px 34px var(--accent-line); }
.btn-ghost { border-color: var(--glass-bd); color: var(--text); background: var(--glass); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-dark { background: var(--bg-3); color: var(--text); border-color: var(--glass-bd); }
.btn-dark:hover { background: var(--text); color: var(--bg); transform: translateY(-2px); }
.btn-block { width: 100%; justify-content: center; }
.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-sm { padding: 9px 16px; font-size: 14px; }

/* ===================== TOPBAR ===================== */
.topbar {
  background: var(--topbar-bg); border-bottom: 1px solid var(--line-soft);
  font-size: 13px; color: var(--text-3); position: relative; z-index: 60;
  backdrop-filter: blur(12px) saturate(140%); -webkit-backdrop-filter: blur(12px) saturate(140%);
  transition: background var(--dur) var(--ease);
}
.topbar .container, .topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 42px; gap: var(--s3); }
.topbar a:hover { color: var(--text); }
.topbar .tb-right { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.topbar .dot { color: var(--accent); }
.topbar .tb-sep { opacity: .4; }
.topbar-link { color: var(--text-3); text-decoration: none; font-size: 13px; padding: 5px 12px; border-radius: var(--r-sm); border: 1px solid var(--glass-bd); transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease); }
.topbar-link:hover { color: var(--accent-2); border-color: var(--accent-line); background: var(--glass); }

/* Theme switcher */
.theme-switch { display: inline-flex; align-items: center; gap: 7px; }
.theme-switch .ts-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-right: 2px; }
.theme-swatch {
  width: 18px; height: 18px; border-radius: 50%; padding: 0; border: 2px solid transparent;
  background: var(--sw); position: relative; transition: transform .15s var(--ease), border-color .15s;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.theme-swatch:hover { transform: scale(1.12); }
.theme-swatch.active { border-color: var(--text); }
.theme-swatch.active::after { content:""; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--text-3); }

/* ===================== HEADER / NAV ===================== */
.header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.header.is-scrolled { border-color: var(--glass-bd); background: var(--header-bg-scrolled); }

.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: var(--s3); }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 700; letter-spacing: .03em; font-size: 1.12rem; line-height: 1.15; }
.brand .mark {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  background: linear-gradient(150deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: var(--on-accent); font-weight: 800; font-size: 15px;
  box-shadow: var(--sh-1);
}
.brand small { display: block; font-family: inherit; font-weight: 400; font-size: 11px; letter-spacing: .02em; line-height: 1.3; margin-top: 2px; color: var(--text-3); }
.brand-logo {
  display: block; width: auto; height: 36px; object-fit: contain; flex: none;
  transition: transform .2s var(--ease), filter .2s;
}
.brand:hover .brand-logo { transform: scale(1.02); }
/* Dark themes: the uploaded logo is a transparent PNG with dark-blue text.
   Add a light frosted backing so it stays legible over the glass header. */
html:not([data-theme="linen"]) .brand-logo {
  padding: 5px 10px;
  background: rgba(255,255,255,0.86);
  border-radius: var(--r-sm);
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
}

.main-nav { display: flex; align-items: center; gap: 2px; list-style: none; padding: 0; margin: 0; }
.main-nav > a, .nav-link, .nav-item-head .nav-link {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 14px; border-radius: var(--r-sm);
  color: var(--text-2); font-size: 15px; font-weight: 500; transition: color .2s, background .2s;
  white-space: nowrap;
}
.main-nav > a:hover, .nav-link:hover, .nav-item.open > .nav-item-head > .nav-link,
.main-nav > a.active, .nav-link.active { color: var(--text); background: var(--glass); }

.nav-item { position: relative; }
.nav-item-head { display: flex; align-items: center; }
.nav-caret {
  background: none; border: 0; color: var(--text-3); padding: 6px; margin-left: -4px; cursor: pointer;
  display: inline-flex; align-items: center;
}
.nav-caret .caret { font-size: 10px; transition: transform .2s; }
.nav-item.open > .nav-item-head > .nav-caret .caret { transform: rotate(180deg); }

/* MEGA DROPDOWN — frosted glass panel */
.nav-dropdown {
  list-style: none; padding: var(--s3); margin: 0;
  position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 220px; width: max-content; max-width: min(720px, calc(100vw - 48px)); display: none;
  background: color-mix(in srgb, var(--bg) 72%, transparent); border: 1px solid var(--glass-bd);
  border-radius: var(--r-lg); box-shadow: var(--sh-2); z-index: 60;
  backdrop-filter: blur(22px) saturate(160%); -webkit-backdrop-filter: blur(22px) saturate(160%);
}
.nav-item.open > .nav-dropdown { display: block; transform: translateX(-50%) translateY(0); }
.nav-dropdown.mega { display: none; }
.nav-item.open > .nav-dropdown.mega {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 30px 32px;
  width: min(1180px, calc(100vw - 64px));
  padding: 36px 44px;
  align-items: start;
}

.mega-col { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.mega-head {
  display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--text);
  line-height: 1.35; padding: 0 0 10px; margin: 0 0 4px; border-bottom: 1px solid var(--glass-bd); border-radius: 0;
}
.mega-head::before { content: ""; width: 4px; height: 16px; background: var(--accent); border-radius: 2px; flex: none; }
.mega-head:hover { color: var(--accent-2); background: transparent; }
.mega-list { display: flex; flex-direction: column; gap: 3px; }
.mega-list a {
  display: block; padding: 5px 0 5px 12px; font-size: 14px; color: var(--text-2);
  border-radius: var(--r-sm); transition: color .2s, background .2s, transform .2s;
}
.mega-list a:hover { color: var(--accent-2); background: var(--glass); transform: translateX(4px); }
.mega-leaf { color: var(--accent) !important; font-weight: 600; }
.nav-dropdown-all { display: block; margin-top: 8px; padding: 10px; text-align: center; border: 1px solid var(--glass-bd); border-radius: var(--r-sm); color: var(--accent-2) !important; font-weight: 600; }

@media (min-width: 1081px) {
  .nav-item.has-dropdown::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 8px; }
  .nav-item.has-dropdown:hover > .nav-dropdown { display: block; transform: translateX(-50%) translateY(0); }
  .nav-item.has-dropdown:hover > .nav-dropdown.mega {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 30px 32px; width: min(1180px, calc(100vw - 64px));
  }
}
@media (max-width: 1080px) and (min-width: 861px) {
  .nav-item.open > .nav-dropdown.mega { max-width: min(860px, calc(100vw - 48px)); padding: 28px 32px; gap: 24px; }
}

.header-actions { display: flex; align-items: center; gap: var(--s2); }
.search-form { display: flex; align-items: center; gap: 8px; background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r-pill); padding: 0 12px; height: 40px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.search-form .ico { color: var(--text-3); flex: none; }
.search-form input { background: none; border: 0; outline: none; color: var(--text); font-size: 14px; width: 150px; }
.search-form input::placeholder { color: var(--text-3); }

.lang-switch { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px; background: var(--glass); border: 1px solid var(--glass-bd);
  color: var(--text-2); border-radius: var(--r-pill); padding: 8px 12px; font-size: 13px; font-weight: 600; backdrop-filter: blur(10px);
}
.lang-btn:hover { color: var(--text); border-color: var(--accent-line); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 150px; display: none;
  background: color-mix(in srgb, var(--bg) 80%, transparent); border: 1px solid var(--glass-bd); border-radius: var(--r);
  box-shadow: var(--sh-2); padding: 6px; z-index: 60; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.lang-switch.open .lang-menu { display: block; }
.lang-menu a { display: block; padding: 9px 12px; border-radius: var(--r-sm); color: var(--text-2); font-size: 14px; }
.lang-menu a:hover, .lang-menu a.active { background: var(--glass); color: var(--accent-2); }

.cart-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text-2); font-size: 14px; font-weight: 600; position: relative; }
.cart-link:hover { color: var(--accent-2); }
.cart-badge { background: var(--accent); color: var(--on-accent); font-size: 11px; font-weight: 700; border-radius: var(--r-pill); padding: 1px 7px; }

.nav-toggle {
  display: none; background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r-sm);
  width: 44px; height: 44px; color: var(--text); align-items: center; justify-content: center; backdrop-filter: blur(10px);
}
.nav-cta { display: flex; align-items: center; gap: var(--s2); }

/* ===================== HERO ===================== */
.hero { position: relative; padding-block: clamp(48px, 8vw, 104px) var(--s6); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--s6); align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5.6vw, 4.4rem); font-weight: 700; letter-spacing: -.03em; }
.hero h1 .accent { color: var(--accent); }
.hero .lead { color: var(--text-2); font-size: 1.16rem; max-width: 50ch; margin-top: var(--s3); }
.hero-actions { display: flex; gap: var(--s2); margin-top: var(--s4); flex-wrap: wrap; }
.hero-stats { display: flex; flex-wrap: wrap; gap: var(--s4); margin-top: var(--s5); }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat b { font-family: var(--font-display); font-size: 1.5rem; color: var(--text); }
.hero-stat span { font-size: 13px; color: var(--text-3); letter-spacing: .03em; }

.hero-content { max-width: 60ch; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-2);
  background: var(--accent-soft); border: 1px solid var(--accent-line);
  padding: 7px 13px; border-radius: var(--r-pill); margin-bottom: var(--s3);
}
.hero-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

/* Hero visual — frosted glass frame over a real image, with a caption HUD */
.hero-visual {
  position: relative; aspect-ratio: 1/1.02; border-radius: var(--r-lg);
  border: 1px solid var(--glass-bd); box-shadow: var(--sh-2); overflow: hidden; display: grid; place-items: center;
  background: var(--bg-2);
}
/* Deep-space nebula render — reads as real imagery without binary assets */
.hero-visual::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(42% 40% at 26% 24%, color-mix(in srgb, var(--accent) 34%, transparent), transparent 70%),
    radial-gradient(48% 44% at 78% 72%, color-mix(in srgb, var(--accent-2) 28%, transparent), transparent 72%),
    radial-gradient(70% 70% at 58% 42%, color-mix(in srgb, var(--bg-3) 90%, #000) 0%, transparent 100%);
  filter: saturate(118%);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1.2s var(--eur); }
.hero-visual:hover img { transform: scale(1.05); }
.hero-visual .grid-lines {
  position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: radial-gradient(120% 120% at 50% 30%, #000, transparent 75%);
  mask-image: radial-gradient(120% 120% at 50% 30%, #000, transparent 75%);
}
.hero-visual .orb {
  position: absolute; width: 56%; aspect-ratio: 1; border-radius: 50%;
  background: conic-gradient(from 210deg, var(--accent), var(--accent-2), var(--accent));
  filter: blur(2px); opacity: .35; animation: spin 26s linear infinite; box-shadow: 0 0 80px var(--accent-line); pointer-events: none;
}
.hero-visual .ring { position: absolute; border: 1px solid var(--accent-line); border-radius: 50%; pointer-events: none; }
.hero-visual .ring.r1 { inset: 14%; } .hero-visual .ring.r2 { inset: 26%; border-style: dashed; }
.hero-visual .tag {
  position: absolute; font-family: var(--font-mono); font-size: 12px; color: var(--text-2);
  background: color-mix(in srgb, var(--bg) 60%, transparent); border: 1px solid var(--glass-bd);
  padding: 7px 12px; border-radius: var(--r-pill); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); z-index: 2;
}
.hero-visual .tag.t1 { top: 14%; left: 8%; } .hero-visual .tag.t2 { bottom: 16%; right: 6%; }
.hero-visual .tag b { color: var(--accent-2); }
/* Glass caption HUD */
.hero-glass-cap {
  text-align: center;
  position: absolute; left: 16px; right: 16px; bottom: 16px; z-index: 3;
  padding: 14px 16px; border-radius: var(--r); color: var(--text);
  background: color-mix(in srgb, var(--bg) 45%, transparent); border: 1px solid var(--glass-bd);
  backdrop-filter: blur(16px) saturate(150%); -webkit-backdrop-filter: blur(16px) saturate(150%);
}
.hero-glass-cap b { color: var(--accent); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Fullscreen homepage ad hero (admin → 站点设置 → 首页广告位) =====
   The opening screen IS the ad artwork, edge to edge. Every slide paints the
   SAME file twice: a blurred copy beneath fills the frame while the sharp
   copy loads (and stays a graceful backdrop if a file is ever missing), and
   the sharp copy on top covers the frame (object-fit: cover) so the artwork
   is fullscreen at any viewport — the user's explicit preference over
   letterboxed `contain`. Copy sits in the site gutter (same left edge as the
   header logo) and is revealed with a short stagger. */
.hero--ads {
  /* Fill the opening screen exactly: viewport minus the promo strip and the
     sticky header (both heights are published as --tb-h / --hd-h by main.js).
     When the strip auto-collapses the hero grows by the freed space, so the
     first screen stays edge-to-edge in both states. */
  height: calc(100vh - var(--tb-h, 42px) - var(--hd-h, 77px));
  height: calc(100dvh - var(--tb-h, 42px) - var(--hd-h, 77px));
  min-height: 460px;
  padding-block: 0;
  background: var(--bg-1);
  transition: height .45s var(--ease);
}
body.tb-collapsed .hero--ads {
  height: calc(100vh - var(--hd-h, 77px));
  height: calc(100dvh - var(--hd-h, 77px));
}

/* Regular hero copy that follows the fullscreen banner. It keeps the original
   hero typography / CTAs / stats / art — it is stacked BELOW the ad, never
   removed — with a slightly tighter top gap so it reads as part of the same
   opening block. */
.hero--copy { padding-block: clamp(40px, 5.5vw, 76px) var(--s6); }

.hero-ads { position: absolute; inset: 0; z-index: 0; overflow: hidden; isolation: isolate; background: #05070a; }
.hero-ads-stage { position: absolute; inset: 0; }

/* One slide. Only .is-on is painted; visibility (not just opacity) keeps the
   hidden slides out of hit-testing and out of the a11y tree. */
.hero-ad {
  position: absolute; inset: 0; display: block; color: inherit; text-decoration: none;
  opacity: 0; visibility: hidden;
  transition: opacity .85s cubic-bezier(.33, 0, .2, 1), visibility 0s linear .85s;
}
.hero-ad.is-on { opacity: 1; visibility: visible; transition: opacity .85s cubic-bezier(.33, 0, .2, 1), visibility 0s; }

/* Ambient backdrop — the same artwork blown up and blurred, so a wide frame
   never shows flat bars beside a narrower photo. Same URL as .hero-ad-shot,
   so it costs no extra download. */
.hero-ad-blur {
  position: absolute; top: -10%; left: -10%; width: 120%; height: 120%; z-index: 0;
  object-fit: cover; object-position: center;
  filter: blur(48px) saturate(1.12) brightness(.66);
  transform: scale(1.06);
  transition: transform 9s linear;
}
.hero-ad.is-on .hero-ad-blur { transform: scale(1.13); }

/* The artwork fills the frame edge to edge (user preference: 全屏, not
   letterboxed). The blurred layer beneath only shows while the image loads. */
.hero-ad-shot {
  position: absolute; inset: 0; z-index: 1;
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  display: block; transform: scale(1.012);
  transition: transform 1.3s cubic-bezier(.33, 0, .2, 1);
}
.hero-ad.is-on .hero-ad-shot { transform: scale(1); }

/* Legibility veil — much lighter than a blanket scrim, shaped so the copy side
   is readable while the artwork keeps its colour. */
.hero-ad-veil {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    linear-gradient(96deg, rgba(4,6,10,.80) 0%, rgba(4,6,10,.56) 24%, rgba(4,6,10,.16) 46%, rgba(4,6,10,0) 64%),
    linear-gradient(0deg, rgba(4,6,10,.58) 0%, rgba(4,6,10,.12) 18%, rgba(4,6,10,0) 34%);
}

/* Copy block — same .container as the header logo, so the left edge lines up.
   pointer-events:none keeps the whole banner one big clickable target. */
.hero-ad-body { position: absolute; inset: 0; z-index: 3; display: flex; align-items: center; pointer-events: none; }
.hero-ad-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; max-width: min(680px, 58%); }

.hero-ad-kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .28em;
  color: rgba(255,255,255,.70); text-transform: uppercase;
}
.hero-ad-kicker i { font-style: normal; }
.hero-ad-kicker i:first-child { color: #fff; font-size: 13px; letter-spacing: .18em; }
.hero-ad-slash { opacity: .4; }
.hero-ad-kicker::after {
  content: ""; width: 54px; height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.8), rgba(255,255,255,0));
}

.hero-ad-title {
  display: block; margin: 0; color: #fff;
  font-family: var(--font-display); font-weight: 700; letter-spacing: -.022em;
  font-size: clamp(1.8rem, 3.05vw, 3.3rem); line-height: 1.09;
  text-wrap: balance; text-shadow: 0 2px 28px rgba(0,0,0,.45);
}
.hero-ad-desc {
  display: block; color: rgba(255,255,255,.88);
  font-size: clamp(.95rem, 1.1vw, 1.08rem); line-height: 1.68; max-width: 52ch;
  white-space: pre-line; text-shadow: 0 1px 16px rgba(0,0,0,.42);
}
.hero-ad-more {
  display: inline-flex; align-items: center; gap: 9px; margin-top: 4px;
  padding: 11px 20px; border-radius: var(--r-pill);
  font-size: 14px; font-weight: 600; letter-spacing: .01em; color: #fff;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.30);
  -webkit-backdrop-filter: blur(10px) saturate(1.2); backdrop-filter: blur(10px) saturate(1.2);
  transition: background .3s, border-color .3s, color .3s, transform .3s var(--ease);
}
.hero-ad-more i { font-style: normal; transition: transform .35s var(--ease); }
.hero-ad:hover .hero-ad-more { background: #fff; border-color: #fff; color: #0b0d12; transform: translateY(-1px); }
.hero-ad:hover .hero-ad-more i { transform: translateX(4px); }

/* Staggered reveal. .is-live is added by main.js one frame after load so the
   opening copy animates in instead of popping. */
.hero-ad-copy > * {
  opacity: 0; transform: translateY(18px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
.hero-ads.is-live .hero-ad.is-on .hero-ad-copy > * { opacity: 1; transform: none; }
.hero-ads.is-live .hero-ad.is-on .hero-ad-copy > *:nth-child(1) { transition-delay: .10s; }
.hero-ads.is-live .hero-ad.is-on .hero-ad-copy > *:nth-child(2) { transition-delay: .18s; }
.hero-ads.is-live .hero-ad.is-on .hero-ad-copy > *:nth-child(3) { transition-delay: .26s; }
.hero-ads.is-live .hero-ad.is-on .hero-ad-copy > *:nth-child(4) { transition-delay: .34s; }

/* Controls: side arrows + bottom progress pills, all above the slide links. */
.hero-ads-bar { position: absolute; inset: 0; z-index: 4; pointer-events: none; }
.hero-ad-nav {
  position: absolute; top: 50%; transform: translateY(-50%); pointer-events: auto;
  width: 46px; height: 46px; display: grid; place-items: center; cursor: pointer;
  color: #fff; border-radius: 50%; padding: 0;
  background: rgba(8,10,14,.42); border: 1px solid rgba(255,255,255,.24);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  opacity: 0; transition: opacity .35s, background .25s, border-color .25s;
}
.hero-ads:hover .hero-ad-nav, .hero-ads:focus-within .hero-ad-nav { opacity: 1; }
.hero-ad-nav:hover { background: rgba(8,10,14,.78); border-color: rgba(255,255,255,.5); }
.hero-ad-nav:focus-visible { opacity: 1; outline: 2px solid #fff; outline-offset: 3px; }
.hero-ad-nav--prev { left: clamp(12px, 2.2vw, 38px); }
.hero-ad-nav--next { right: clamp(12px, 2.2vw, 38px); }

.hero-ads-dots {
  position: absolute; left: 50%; bottom: clamp(18px, 3.4vh, 34px);
  transform: translateX(-50%); display: flex; align-items: center; gap: 9px; pointer-events: auto;
}
.hero-ad-dot {
  position: relative; width: 30px; height: 4px; padding: 0; cursor: pointer;
  border: 0; border-radius: var(--r-pill); overflow: hidden;
  background: rgba(255,255,255,.30);
  transition: width .45s var(--ease), background .3s;
}
.hero-ad-dot:hover { background: rgba(255,255,255,.52); }
.hero-ad-dot.is-on { width: 66px; background: rgba(255,255,255,.30); }
.hero-ad-dot:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
/* The active pill doubles as the timer: its fill walks the slide interval. */
.hero-ad-dot-fill {
  position: absolute; inset: 0; border-radius: inherit; background: #fff;
  transform: scaleX(0); transform-origin: left center;
}
.hero-ad-dot.is-on .hero-ad-dot-fill { animation: heroAdFill var(--ad-dur, 7000ms) linear forwards; }
.hero-ad-dot.is-frozen .hero-ad-dot-fill { animation-play-state: paused; }
@keyframes heroAdFill { from { transform: scaleX(0); } to { transform: scaleX(1); } }

@media (hover: none) {
  .hero-ad-nav { opacity: 1; }
}

@media (max-width: 1024px) {
  .hero-ad-copy { max-width: min(640px, 78%); }
  .hero-ad-nav { width: 40px; height: 40px; }
}
@media (max-width: 640px) {
  .hero-ad-copy { max-width: 100%; gap: 12px; }
  .hero-ad-title { font-size: clamp(1.5rem, 6.2vw, 2rem); }
  .hero-ad-desc { font-size: .95rem; line-height: 1.6; }
  .hero-ad-nav { display: none; }
  .hero-ad-dot { width: 22px; }
  .hero-ad-dot.is-on { width: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-ad, .hero-ad-blur, .hero-ad-shot, .hero-ad-copy > *, .hero-ad-more, .hero-ad-more i, .hero-ad-dot { transition: none; }
  .hero-ad-blur { transform: none; }
  .hero-ad-shot { transform: none; }
  .hero-ad-copy > * { opacity: 1; transform: none; }
  .hero-ad-dot.is-on .hero-ad-dot-fill { animation: none; transform: scaleX(1); }
}
/* ===================== HERO MICROGRID DIAGRAM ===================== */
.microgrid-wrap {
  position: absolute; inset: 0; z-index: 2;
  display: grid; place-items: center;
  padding: 10px 16px 62px;
  color: var(--text-2);
  transition: color var(--dur) var(--ease);
}
.microgrid-wrap svg {
  width: 100%; height: 100%;
  max-width: 460px; max-height: 100%;
  overflow: visible;
}
.mg-back-glow { transition: opacity .6s var(--ease); }

/* 节点玻璃底座 */
.mg-node-bg {
  fill: color-mix(in srgb, var(--bg) 55%, transparent);
  stroke: var(--glass-bd);
  stroke-width: 1.2;
  backdrop-filter: blur(8px);
}
.mg-node-bg[rx] { /* PCS rect */
  fill: color-mix(in srgb, var(--bg-2) 62%, transparent);
}
.mg-node {
  transition: opacity .5s var(--ease), filter .5s var(--ease);
}
.mg-node text { text-anchor: middle; font-family: var(--font-body); }
.mg-node .mg-icon { color: var(--text-2); }
.mg-node .mg-label {
  font-size: 11px; font-weight: 600; letter-spacing: .08em;
  fill: var(--text-2); text-transform: uppercase;
}
.mg-node .mg-watt {
  font-size: 11px; font-family: var(--font-mono); fill: var(--accent);
}
.mg-pcs .mg-label { font-size: 12px; fill: var(--text); }
.mg-pcs .mg-mode {
  font-size: 18px; font-weight: 700; fill: var(--accent);
}
.mg-pcs .mg-state {
  font-size: 11px; font-weight: 600; letter-spacing: .12em; fill: var(--ok);
}
.mg-pcs .mg-watt { fill: var(--text); font-size: 12px; }

/* 运行模式显隐（无 JS 时默认 .s0 市电接入状态） */
.microgrid-wrap.s0 .mg-f-pv,
.microgrid-wrap.s0 .mg-f-grid,
.microgrid-wrap.s0 .mg-f-bat-charge,
.microgrid-wrap.s0 .mg-f-load { opacity: .92; }

.microgrid-wrap.s1 .mg-f-pv,
.microgrid-wrap.s1 .mg-f-bat-discharge,
.microgrid-wrap.s1 .mg-f-load { opacity: .92; }

.microgrid-wrap.s2 .mg-f-bat-discharge,
.microgrid-wrap.s2 .mg-f-load { opacity: .92; }

.microgrid-wrap.s3 .mg-f-dg,
.microgrid-wrap.s3 .mg-f-bat-charge,
.microgrid-wrap.s3 .mg-f-load { opacity: .92; }

/* 节点高亮（当前供电源） */
.microgrid-wrap.s0 .mg-grid,
.microgrid-wrap.s3 .mg-dg,
.microgrid-wrap.s0 .mg-ats,
.microgrid-wrap.s3 .mg-ats { color: var(--accent); }
.microgrid-wrap.s0 .mg-grid .mg-node-bg,
.microgrid-wrap.s3 .mg-dg .mg-node-bg,
.microgrid-wrap.s0 .mg-ats .mg-node-bg,
.microgrid-wrap.s3 .mg-ats .mg-node-bg {
  stroke: var(--accent);
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--accent) 60%, transparent));
}

/* 离网 / 灰显逻辑 */
.microgrid-wrap.s1 .mg-grid,
.microgrid-wrap.s2 .mg-grid,
.microgrid-wrap.s3 .mg-grid,
.microgrid-wrap.s0 .mg-dg,
.microgrid-wrap.s1 .mg-dg,
.microgrid-wrap.s2 .mg-dg,
.microgrid-wrap.s1 .mg-ats,
.microgrid-wrap.s2 .mg-ats { opacity: .35; filter: grayscale(1); }

.microgrid-wrap.s2 .mg-pv,
.microgrid-wrap.s3 .mg-pv { opacity: .35; filter: grayscale(1); }

/* 电流路径 */
.mg-flow {
  fill: none; stroke: var(--accent); stroke-width: 2.4;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 6 9;
  opacity: 0;
  animation: mgFlow var(--flow-dur, 1s) linear infinite;
  transition: opacity .5s var(--ease);
}
@keyframes mgFlow { to { stroke-dashoffset: -30; } }

/* 状态条 */
.mg-status-bg {
  fill: color-mix(in srgb, var(--bg) 60%, transparent);
  stroke: var(--glass-bd); stroke-width: 1;
}
.mg-status-text .mg-status-lead { fill: var(--ok); transition: fill .4s var(--ease); }
.microgrid-wrap.s1 .mg-status-text .mg-status-lead,
.microgrid-wrap.s2 .mg-status-text .mg-status-lead,
.microgrid-wrap.s3 .mg-status-text .mg-status-lead { fill: var(--accent-2); }
.mg-status-text {
  font-size: 11px; font-weight: 600; letter-spacing: .06em;
  fill: var(--text-2);
}
.mg-cap-text {
  font-size: 10px; font-family: var(--font-mono); letter-spacing: .08em;
  fill: var(--text-3);
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .mg-flow { animation: none; }
}

/* ===================== STATS BAND ===================== */
.stats { border-block: 1px solid var(--line); background: var(--bg-1); transition: background var(--dur) var(--ease); }
.stats .container { display: grid; grid-template-columns: repeat(6, 1fr); }
.stat { padding: var(--s4) var(--s3); border-right: 1px solid var(--line-soft); }
.stat:last-child { border-right: none; }
.stat .n { font-family: var(--font-display); font-size: clamp(1.5rem, 2.6vw, 2.2rem); font-weight: 700; color: var(--text); }
.stat .n span { color: var(--accent); }
.stat .l { font-size: 13px; color: var(--text-3); margin-top: 6px; letter-spacing: .02em; }

/* ===================== CATEGORY GRID ===================== */
.grid { display: grid; gap: var(--s3); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.cat-tile, .cat-card {
  position: relative; padding: var(--s4); border-radius: var(--r-lg);
  background: var(--glass); border: 1px solid var(--glass-bd); overflow: hidden; min-height: 200px;
  display: flex; flex-direction: column; justify-content: space-between;
  backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: transform .4s var(--ease), border-color .3s, box-shadow .4s;
}
.cat-tile:hover, .cat-card:hover { transform: translateY(-6px); border-color: var(--accent-line); box-shadow: var(--sh-2); }
.cat-tile img, .cat-card > img { width: 100%; height: 140px; object-fit: cover; border-radius: var(--r); margin-bottom: var(--s2); border: 1px solid var(--glass-bd); }
.cat-tile h3, .cat-card h3 { font-size: 1.22rem; margin-top: var(--s2); }
.cat-tile p, .cat-card p { color: var(--text-3); font-size: 14px; margin-top: 6px; }
.cat-tile .arrow, .cat-card .arrow { position: absolute; top: var(--s4); right: var(--s4); color: var(--text-3); transition: transform .3s, color .3s; }
.cat-tile:hover .arrow, .cat-card:hover .arrow { color: var(--accent); transform: translate(3px, -3px); }

/* ===================== PRODUCT CARD ===================== */
.card, .product-card {
  background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: transform .4s var(--ease), border-color .3s, box-shadow .4s;
}
.card:hover, .product-card:hover { transform: translateY(-6px); border-color: var(--accent-line); box-shadow: var(--sh-2); }
.card-media {
  aspect-ratio: 4/3; position: relative; overflow: hidden; background: linear-gradient(160deg, var(--bg-3), var(--bg-2));
  display: grid; place-items: center; border-bottom: 1px solid var(--glass-bd);
}
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-media .ph {
  width: 64%; aspect-ratio: 1.3/1; border-radius: var(--r); position: relative;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 12px, transparent 12px 24px);
  border: 1px dashed var(--glass-bd); display: grid; place-items: center; color: var(--text-3);
  font-family: var(--font-mono); font-size: 12px; text-align: center; padding: 10px;
}
.card-media .badge {
  position: absolute; top: 12px; left: 12px; font-family: var(--font-mono); font-size: 11px;
  background: color-mix(in srgb, var(--bg) 80%, transparent); border: 1px solid var(--glass-bd); color: var(--text-2);
  padding: 4px 9px; border-radius: var(--r-pill); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.card-media .sku { position: absolute; bottom: 12px; left: 12px; font-family: var(--font-mono); font-size: 11px; color: var(--text-3); }
.card-body { padding: var(--s3); display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-title { font-size: 1.12rem; }
.card-title a:hover { color: var(--accent-2); }
.card-meta { display: flex; gap: 8px; align-items: center; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-3); }
.card-meta a { color: var(--accent); }
.product-card .card-media { aspect-ratio: 1/1; }
.card-slider { position: absolute; inset: 0; display: block; }
.card-slider > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .55s ease; }
.card-slider > img.active { opacity: 1; }
.card-dots { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); display: flex; gap: 5px; z-index: 2; pointer-events: none; }
.card-dots i { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,.5); box-shadow: 0 0 3px rgba(0,0,0,.3); transition: background .3s; }
.card-dots i.on { background: #fff; }
.card-price { font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; color: var(--accent); }
.card-price small { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); font-weight: 400; }
.card-desc { color: var(--text-3); font-size: 13.5px; line-height: 1.55; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-foot { margin-top: auto; }

/* ===================== FEATURES / VALUE ===================== */
.features, .value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s3); }
.feature, .value {
  padding: var(--s4); border-radius: var(--r-lg); background: var(--glass);
  border: 1px solid var(--glass-bd); display: flex; gap: var(--s3); align-items: flex-start;
  backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: border-color .3s, transform .4s var(--ease);
}
.feature:hover, .value:hover { border-color: var(--accent-line); transform: translateY(-4px); }
.feature-ico, .value .vn {
  width: 46px; height: 46px; flex: none; border-radius: 12px; background: var(--accent-soft);
  border: 1px solid var(--accent-line); display: grid; place-items: center; color: var(--accent);
}
.feature h3, .value h3 { font-size: 1.15rem; }
.feature p, .value p { color: var(--text-3); font-size: 14.5px; margin-top: 6px; }

/* ===================== CTA BAND ===================== */
.cta-band {
  border-radius: var(--r-lg); padding: clamp(36px, 6vw, 68px);
  background:
    radial-gradient(100% 160% at 0% 0%, var(--grain-1), transparent 55%),
    color-mix(in srgb, var(--bg-1) 70%, transparent);
  border: 1px solid var(--accent-line);
  backdrop-filter: blur(16px) saturate(150%); -webkit-backdrop-filter: blur(16px) saturate(150%);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s4); flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); max-width: 20ch; }
.cta-band p { color: var(--text-2); margin-top: 10px; }

/* ===================== FAQ ===================== */
.faq-item { border: 1px solid var(--glass-bd); border-radius: var(--r); background: var(--glass); margin-bottom: var(--s2); overflow: hidden; transition: border-color .3s; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.faq-item.open, details.faq-item[open] { border-color: var(--accent-line); }
.faq-item summary, .faq-q {
  width: 100%; text-align: left; background: none; border: none; color: var(--text);
  padding: var(--s3); font-family: var(--font-display); font-size: 1.08rem; font-weight: 600;
  display: flex; justify-content: space-between; align-items: center; gap: var(--s2); cursor: pointer; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-q .pm, .faq-item summary::after {
  flex: none; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--glass-bd);
  display: grid; place-items: center; color: var(--accent); transition: transform .3s; content: "+"; font-size: 16px;
}
.faq-item.open .faq-q .pm, .faq-item[open] summary::after { transform: rotate(45deg); }
.faq-a { padding: 0 var(--s3) var(--s3); }
.faq-a p { color: var(--text-2); }

/* ===================== FOOTER ===================== */
.site-footer { border-top: 1px solid var(--glass-bd); background: var(--footer-bg); margin-top: var(--s6); transition: background var(--dur) var(--ease);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.site-footer .container { padding-block: var(--s6) var(--s4); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--s4); }
.site-footer h4, .footer-about h4 { font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-3); margin: 0 0 var(--s2); }
:lang(zh) .site-footer h4, :lang(zh) .footer-about h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: .04em; font-size: 13px; text-transform: none; color: var(--text-2); }
.site-footer a { color: var(--text-2); display: block; padding: 5px 0; font-size: 14.5px; transition: color .2s; }
.site-footer a:hover { color: var(--accent-2); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { padding: 5px 0; font-size: 14.5px; line-height: 1.55; color: var(--text-2); text-wrap: balance; font-variant-numeric: tabular-nums; }
.site-footer li a { display: inline; padding: 0; }
.u-nowrap { white-space: nowrap; }
/* 联系方式栏：微信技术支持二维码（紧凑, 与页脚协调） */
.footer-qr { display: flex; align-items: center; gap: 10px; margin: var(--s2) 0 0; }
.footer-qr img { width: 84px; height: 84px; padding: 5px; background: #fff; border-radius: 8px; border: 1px solid var(--glass-bd); box-shadow: var(--sh-1); flex: none; }
.footer-qr-note { font-size: 12px; line-height: 1.6; color: var(--text-3); }
.footer-about p { color: var(--text-3); font-size: 14px; max-width: 36ch; margin-top: var(--s2); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: var(--s3);
  padding-top: var(--s3); margin-top: var(--s4); border-top: 1px solid var(--line-soft); color: var(--text-3); font-size: 13px; flex-wrap: wrap;
}
.footer-bottom a:hover { color: var(--accent-2); }
.footer-bottom .footer-links { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }

/* ===================== MINI CARD ===================== */
.mini-card {
  display: block; border: 1px solid var(--glass-bd); border-radius: var(--r);
  overflow: hidden; background: var(--glass); text-decoration: none;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: transform .15s var(--ease), box-shadow .15s var(--ease);
}
.mini-card:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.mini-card .mini-media { display: block; aspect-ratio: 4/3; overflow: hidden; background: linear-gradient(160deg, var(--bg-3), var(--bg-2)); }
.mini-card .mini-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mini-card .mini-name {
  padding: 12px 14px; font-weight: 600; font-size: 14.5px; line-height: 1.45; color: var(--text);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.mini-card:hover .mini-name { color: var(--accent); }

/* ===================== SOLUTION CARD (related scenarios on product page) ===================== */
/* Solution post covers are 1200x630 card art with embedded titles; render them as the whole card
   instead of cropping them inside a generic mini-card frame and duplicating the title below. */
.solution-card {
  display: block; border-radius: var(--r); overflow: hidden;
  background: var(--bg-3); text-decoration: none; border: 1px solid var(--glass-bd);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}
.solution-card:hover { transform: translateY(-3px); box-shadow: var(--sh-2); border-color: var(--accent-line); }
.solution-card .solution-media { display: block; aspect-ratio: 1200 / 630; overflow: hidden; }
.solution-card .solution-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===================== PAGE HERO (inner pages) ===================== */
#main > .container > h1,
#main > .container > .section-head h1,
.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.06; letter-spacing: -.02em; margin-bottom: var(--s2); }
.page-hero { padding-block: clamp(40px, 6vw, 72px) var(--s4); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-1), var(--bg)); }

/* ===================== PRODUCT DETAIL ===================== */
.product-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: var(--s6); align-items: start; }
.product-gallery {
  position: relative; display: grid; place-items: center; width: 800px; height: 800px; max-width: 100%; overflow: hidden;
  border-radius: var(--r-lg); background: var(--glass); border: 1px solid var(--glass-bd); box-shadow: var(--sh-1);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.product-gallery > .gallery-slide { grid-area: 1 / 1; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity .6s ease; }
.product-gallery > .gallery-slide.active { opacity: 1; }
.gallery-dots { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; padding: 6px 10px; border-radius: var(--r-pill); background: color-mix(in srgb, var(--bg-1) 82%, transparent); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); pointer-events: none; }
.gallery-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--text-3); box-shadow: 0 0 3px rgba(0,0,0,.2); transition: background .3s; }
.gallery-dots i.on { background: var(--accent); }
.thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: var(--s2); }
.thumbs button, .thumbs .t { aspect-ratio: 1; border: 1px solid var(--glass-bd); border-radius: var(--r-sm); background: var(--bg-2); overflow: hidden; padding: 0; }
.thumbs img, .thumbs button img { width: 100%; height: 100%; object-fit: cover; }
.thumbs .active { border-color: var(--accent-line); box-shadow: 0 0 0 2px var(--accent-soft); }

.answer-box { margin-top: var(--s3); padding: var(--s3); border: 1px solid var(--accent-line); background: var(--accent-soft); border-radius: var(--r); }
.answer-box h2 { font-size: 1.05rem; color: var(--accent-2); margin-bottom: 6px; }
.answer-box p { color: var(--text); }

.content-block { margin-top: var(--s4); }
.content-block h2 { font-size: 1.4rem; margin-bottom: var(--s2); }
.content { color: var(--text-2); line-height: 1.7; }
.content h2, .content h3 { color: var(--text); margin: var(--s3) 0 var(--s1); }
.content ul, .content ol { color: var(--text-2); padding-left: 1.2em; }
.content li { margin-bottom: 8px; }
.bullets { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.bullets li { padding-left: 26px; position: relative; color: var(--text-2); }
.bullets li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

/* ===================== SOLUTIONS PAGE ===================== */
.sol-equip { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); margin-top: var(--s1); }
.sol-grid { margin-top: var(--s3); }
.sol-card { overflow: hidden; }
.sol-card .sol-cover { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-3); }
.sol-card .sol-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .25s ease; }
a.sol-card:hover .sol-cover img { transform: scale(1.04); }
.sol-card .card-body { padding: var(--s3) var(--s4); }
.sol-card .card-title { font-size: 1.12rem; }
a.sol-card { display:block; text-decoration:none; color:inherit; transition: transform .15s ease, box-shadow .15s ease; background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r-lg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
a.sol-card:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
a.sol-card .card-title { color: var(--text); }
a.sol-card:hover .card-title { color: var(--accent); }
.sol-close { margin-top: var(--s5); padding: var(--s4); border-left: 3px solid var(--accent); background: var(--glass); border-radius: var(--r); color: var(--text-2); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.sol-more { margin-top: var(--s2); }
.sol-more a { font-weight: 600; color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-line); }
.sol-more a:hover { color: var(--accent-2); border-bottom-color: var(--accent-2); }
.sol-process { margin-top: var(--s2); }
.sol-process li { font-size: 15px; }

.spec-table { width: 100%; border-collapse: collapse; margin-top: var(--s2); }
.spec-table th, .spec-table td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line-soft); font-size: 14.5px; }
.spec-table th { color: var(--text-2); font-weight: 500; font-size: 14px; width: 38%; }
.spec-table td { color: var(--text); }

.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); flex-wrap: wrap; }

.product-buy { background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r-lg); padding: var(--s4); position: sticky; top: 96px; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.price-block { padding-bottom: var(--s3); border-bottom: 1px solid var(--line-soft); }
.product-title { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.08; letter-spacing: -.02em; margin: 0 0 var(--s4); max-width: 28ch; }
.price-main { font-family: var(--font-display); font-weight: 700; font-size: 2rem; }
.price-note { color: var(--text-3); font-size: 13px; margin-top: 4px; }
.kv { display: grid; grid-template-columns: 96px 1fr; margin-top: var(--s3); border-top: 1px solid var(--line-soft); }
.kv dt, .kv dd { padding: 10px 0; margin: 0; border-bottom: 1px solid var(--line-soft); display: flex; align-items: center; }
.kv dt { font-size: 13px; color: var(--text-2); padding-right: 12px; }
.kv dd { color: var(--text); font-weight: 600; font-size: 14px; }

.product-buy form { margin-top: var(--s3); }
.qty-row { display: flex; gap: 10px; align-items: stretch; }
.qty-input { display: flex; align-items: center; border: 1px solid var(--glass-bd); border-radius: var(--r-sm); overflow: hidden; background: var(--bg); }
.qty-input button { width: 40px; background: var(--bg-2); border: 0; color: var(--text); font-size: 18px; }
.qty-input input { width: 56px; text-align: center; border: 0; background: var(--bg); color: var(--text); font-size: 15px; padding: 10px 0; }
.qty-input button:hover { background: var(--bg-3); }

.contact-box { margin-top: var(--s3); padding: var(--s3); border: 1px solid var(--glass-bd); border-radius: var(--r); background: var(--glass); }
.contact-box b { color: var(--text); display: block; margin-bottom: 4px; }
.contact-box .small { color: var(--text-3); }
.contact-box.tech-support { text-align: center; }
.contact-box.tech-support b { margin-bottom: var(--s2); }
.contact-box .qr-wrap { display: flex; flex-direction: column; align-items: center; gap: var(--s2); }
.contact-box .qr-wechat { width: 140px; height: 140px; border-radius: var(--r); border: 1px solid var(--glass-bd); background: #fff; padding: 6px; object-fit: contain; }
.contact-box .qr-note { font-size: 12px; color: var(--text-2); line-height: 1.5; }

/* ===================== CONTACT FORM ===================== */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--s6); align-items: start; }
.form-card { background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r-lg); padding: var(--s4); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.field { margin-bottom: var(--s3); }
.field label { display: block; font-size: 13.5px; color: var(--text-2); margin-bottom: 7px; font-weight: 500; }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea, .search-form input, .qty-input input {
  width: 100%; background: var(--bg); border: 1px solid var(--glass-bd); border-radius: var(--r-sm);
  padding: 12px 14px; color: var(--text); font-family: var(--font-body); font-size: 15px; transition: border-color .2s, box-shadow .2s;
}
/* 头部搜索框：紧凑胶囊，不受上方 .field 通用 100% 宽/大内边距影响 */
.search-form { flex: none; }
.search-form input { width: 150px; min-width: 0; height: auto; padding: 0; font-size: 14px; border: 0; background: none; }
.search-form input:focus { box-shadow: none; border: 0; }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s3); }

.summary-box { background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r-lg); padding: var(--s4); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.info-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--s3); }
.summary-box .info-list li { padding: var(--s3); background: color-mix(in srgb, var(--surface) 42%, transparent); border: 1px solid var(--glass-bd); border-radius: var(--r); border-left: 3px solid var(--accent); }
.summary-box .info-list b { display: block; font-size: 12px; color: var(--text-3); font-weight: 600; font-family: var(--font-mono); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 7px; }
.summary-box .info-list .info-value,
.summary-box .info-list li > a { display: block; padding-left: 14px; color: var(--text); font-size: 15px; line-height: 1.5; border-left: 1px solid var(--glass-bd); }
.summary-box .info-list a:hover { color: var(--accent-2); }
.summary-box .info-list .info-tech { align-items: center; text-align: center; border-left-color: var(--accent-2); }
.summary-box .info-list .info-tech .qr-wechat { margin: var(--s2) auto var(--s1); }
.summary-box .info-list .info-tech .qr-note { padding-left: 0; border-left: 0; }
.qr-wechat { display: block; width: 140px; height: 140px; padding: 8px; background: #fff; border-radius: var(--r); border: 1px solid var(--glass-bd); box-shadow: var(--sh-1); }
.qr-note { font-size: 13px; color: var(--text-2); }

/* ===================== ALERTS ===================== */
.alert { padding: 13px 16px; border-radius: var(--r-sm); font-size: 14.5px; margin-bottom: var(--s3); border: 1px solid var(--line); background: var(--glass); }
.alert-ok { background: color-mix(in srgb, var(--ok) 14%, transparent); border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); color: var(--text); }
.alert-error { background: color-mix(in srgb, #e2554f 14%, transparent); border-color: color-mix(in srgb, #e2554f 45%, var(--line)); color: var(--text); }

/* ===================== BREADCRUMB ===================== */
.breadcrumb { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3); margin-bottom: var(--s3); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; align-items: center; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: var(--text-3); opacity: .6; }
.breadcrumb a:hover { color: var(--accent-2); }

/* ===================== TABLES / CART / CHECKOUT ===================== */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 14px 16px; border-bottom: 1px solid var(--line-soft); text-align: left; font-size: 14.5px; }
.table th { color: var(--text-2); font-weight: 500; font-size: 14px; }
.cart-item-product { display: flex; flex-direction: row; align-items: center; gap: 14px; }
.cart-item-product img { width: 72px; height: 72px; object-fit: cover; border-radius: var(--r-sm); border: 1px solid var(--glass-bd); background: var(--bg-2); flex: none; }
.cart-item-product .small { margin-top: 3px; }
.cart-subtotal-cell { text-align: right; }
.cart-subtotal { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; color: var(--accent-2); }
.cart-empty { margin-top: var(--s3); padding: var(--s6) var(--s4); border: 1px dashed var(--glass-bd); border-radius: var(--r-lg); text-align: center; background: var(--glass); }
.cart-empty-title { font-size: 1.15rem; font-weight: 600; margin: 0 0 6px; }
.cart-empty .btn { margin-top: var(--s2); }
.checkout-layout { display: grid; grid-template-columns: 1.4fr .6fr; gap: var(--s6); align-items: start; }
.summary-line { display: flex; justify-content: space-between; gap: var(--s2); padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.summary-total { display: flex; justify-content: space-between; font-weight: 700; padding-top: var(--s2); }

/* ===================== BLOG / POST ===================== */
.post-card .card-media { aspect-ratio: 16/9; }
.post-meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-3); margin-bottom: 6px; }
.post-card .card-title { font-size: 1.15rem; }

/* ==================================================================
   Content sections — News / Cases / Careers  (sec-*)
   ================================================================== */
.sec-hero { padding: var(--s5) 0 var(--s3); max-width: 860px; }
.sec-hero h1 { margin: 6px 0 10px; }
.sec-hero .eyebrow {
  color: var(--accent); font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; font-size: 13px; margin: 0;
}
.sec-hero .sec-intro { color: var(--text-2); margin-top: 12px; max-width: 68ch; }

.chips-sm { gap: 6px; }
.chip-sm { font-size: 12px; padding: 3px 10px; }

/* 案例封面：容器按原图 1200×630 的比例，contain 保证整图完整可见、不被裁切。 */
.case-card .card-media { aspect-ratio: 1200 / 630; }
.case-card .card-media img { object-fit: contain; }

/* case cards + fact rows */
.case-stats { list-style: none; margin: 12px 0 0; padding: 0; display: flex; gap: 18px; flex-wrap: wrap; }
.case-stats li { display: flex; flex-direction: column; }
.case-stats b { font-size: 20px; color: var(--accent-2); font-family: var(--font-display); line-height: 1.1; }
.case-stats span { font-size: 12px; color: var(--text-3); }

.case-results {
  list-style: none; margin: 10px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px;
}
.case-results li { background: var(--bg-1); border: 1px solid var(--line-soft); border-radius: var(--r); padding: 12px 14px; }
.case-results b { display: block; font-size: 22px; color: var(--accent-2); font-family: var(--font-display); }
.case-results span { font-size: 12px; color: var(--text-3); }

/* job list (careers) */
.job-list { display: flex; flex-direction: column; gap: 14px; }
.job-card { border: 1px solid var(--line); background: var(--bg-1); border-radius: var(--r); padding: 18px 20px; transition: border-color .2s var(--ease), transform .2s var(--ease); }
.job-card:hover { border-color: var(--accent-line); transform: translateY(-1px); }
.job-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.job-head h3 { margin: 0; font-size: 18px; }
.job-head h3 a { color: inherit; }
.job-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 0; }
.job-tag { font-size: 12.5px; padding: 4px 11px; border-radius: var(--r-pill); background: var(--bg-3); color: var(--text-2); border: 1px solid var(--line-soft); }
.job-tag--salary { background: var(--accent-soft); color: var(--accent-2); border-color: var(--accent-line); }
.job-sum { color: var(--text-2); margin: 12px 0 0; }

/* info card (case / job detail) */
.info-card { border: 1px solid var(--line); background: var(--bg-1); border-radius: var(--r-lg); padding: 20px 22px; margin: 0 0 var(--s3); }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px 22px; }
.info-row { display: flex; flex-direction: column; gap: 3px; }
.info-row span { font-size: 12.5px; color: var(--text-3); }
.info-row b { font-size: 15px; color: var(--text); }
.info-sub { font-size: 13px; margin: 18px 0 0; color: var(--text-2); text-transform: uppercase; letter-spacing: .05em; }
.info-actions { margin-top: 18px; }

.section-post .eyebrow a { color: var(--accent); text-decoration: none; }
.section-post .eyebrow a:hover { text-decoration: underline; }

@media (max-width: 720px) {
  .job-head { flex-direction: column; align-items: flex-start; }
  .sec-hero { padding-top: var(--s4); }
}

/* ===================== CATEGORY INDEX ===================== */
.cat-index { display: grid; gap: var(--s4); }
.cat-index-group { border: 1px solid var(--glass-bd); border-radius: var(--r-lg); padding: var(--s4); background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.cat-index-title { font-size: 1.3rem; margin-bottom: var(--s2); }
.cat-index-title a:hover { color: var(--accent-2); }
.cat-index-children { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--s2); }
.cat-index-item { display: flex; flex-direction: column; gap: 6px; }
.cat-index-head { font-weight: 600; color: var(--text); }
.cat-index-head:hover { color: var(--accent-2); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 5px 12px; border-radius: var(--r-pill); border: 1px solid var(--glass-bd); background: var(--glass); color: var(--text-2); font-size: 13px; transition: all .2s var(--ease); }
.chip:hover { color: var(--text); border-color: var(--accent-line); }
.chip.chip-active { background: color-mix(in srgb, var(--accent) 16%, var(--glass)); border-color: var(--accent); color: var(--text); }
.chip-n { display: inline-block; margin-left: 6px; padding: 1px 6px; border-radius: 10px; background: var(--surface); font-size: 11px; color: var(--text-3); }

.dl-cat-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--s4); padding-bottom: var(--s3); border-bottom: 1px solid var(--line-soft); }
.dl-size { flex: none; font-size: 12px; color: var(--text-3); }

/* ===================== PRODUCT GROUP ===================== */
.product-group { margin-bottom: var(--s5); }
.subgroups { display: grid; gap: var(--s4); margin-top: var(--s3); margin-left: 0; border-left: none; padding-left: 0; }
.product-group.level-1 > .section-head h2 { font-size: clamp(1.5rem, 2.6vw, 2.05rem); }
.product-group.level-2 > .section-head h2 { font-size: clamp(1.18rem, 1.9vw, 1.45rem); }
.product-group.level-2 > .section-head { margin-bottom: var(--s3); }

/* ===================== PAGINATION ===================== */
.pagination { display: flex; gap: 8px; align-items: center; margin-top: var(--s4); flex-wrap: wrap; }
.pagination a, .pagination .current, .pagination .muted { display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 10px; border-radius: var(--r-sm); border: 1px solid var(--glass-bd); color: var(--text-2); font-size: 14px; background: var(--glass); }
.pagination a:hover { border-color: var(--accent-line); color: var(--accent-2); }
.pagination .current { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

/* ===================== SUCCESS ===================== */
.success-wrap { max-width: 560px; margin-inline: auto; text-align: center; background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r-lg); padding: var(--s6) var(--s4); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.success-ico { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent); display: grid; place-items: center; margin: 0 auto var(--s3); font-size: 30px; }
.order-no { font-family: var(--font-mono); color: var(--accent-2); }

/* ===================== POST DETAIL: sidebar / TOC ===================== */
.post-layout { display: grid; grid-template-columns: 272px minmax(0, 1fr); gap: var(--s4); align-items: start; }
.post-sidebar { position: sticky; top: 96px; display: flex; flex-direction: column; gap: var(--s2); }
.side-card { background: var(--glass); border: 1px solid var(--glass-bd); border-radius: var(--r); padding: var(--s2); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.side-title { font-family: var(--font-display); font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin: 0 0 10px; }
.side-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.side-list a { display: block; padding: 7px 10px; border-radius: var(--r-sm); color: var(--text-2); text-decoration: none; font-size: .92rem; line-height: 1.45; border-left: 2px solid transparent; transition: background .2s var(--ease), color .2s var(--ease); }
.side-list a:hover { color: var(--text); background: var(--glass); }
.side-list a.active { color: var(--accent); background: var(--accent-soft); border-left-color: var(--accent); font-weight: 600; }
.side-posts a { display: flex; flex-direction: column; gap: 3px; border-left: none; padding: 9px 10px; }
.side-post-title { color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-post-date { font-size: .78rem; color: var(--text-3); }
.side-posts a:hover .side-post-title { color: var(--text); }
.toc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.toc-list a { display: block; padding: 6px 10px; border-radius: var(--r-sm); border-left: 2px solid var(--line); color: var(--text-2); text-decoration: none; font-size: .88rem; line-height: 1.4; transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease); }
.toc-list a:hover { color: var(--text); }
.toc-list a.active { color: var(--accent); border-left-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.toc-list .toc-l3 a { padding-left: 24px; font-size: .84rem; }
@media (max-width: 1024px) { .post-layout { grid-template-columns: 1fr; } .post-sidebar { position: static; } .toc-card { display: none; } }

/* ===================== PAGE BANNER ===================== */
.page-banner { position: relative; height: clamp(200px, 30vw, 400px); overflow: hidden; background: var(--bg-3); border-radius: var(--r-lg); border: 1px solid var(--glass-bd); }
.page-banner-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s var(--ease); }
.page-banner-slide.active { opacity: 1; }
.page-banner-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.page-banner-dots { position: absolute; bottom: 14px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; }
.page-banner-dots button { width: 9px; height: 9px; border-radius: 50%; border: none; padding: 0; background: rgba(255,255,255,.45); cursor: pointer; transition: background .2s; }
.page-banner-dots button.active { background: #fff; }

/* ===================== PRODUCTS INDEX ===================== */
.prod-index .cat-index-children { grid-template-columns: 1fr; gap: var(--s3); }
.prod-index .cat-index-item { gap: 12px; }
.prod-index .prod-index-grid { margin-top: 4px; }
.prod-index-node { display: grid; gap: 10px; padding-left: 14px; border-left: 2px solid var(--line-soft); }
.prod-index-subhead { font-weight: 600; font-size: 15px; color: var(--text-2); }
.prod-index-subhead:hover { color: var(--accent-2); }

/* ============ Downloads hub & product attachments ============ */
.dl-group { margin-bottom: var(--s5); }
.dl-group-title { font-size: 1.1rem; margin: 0 0 .5rem; padding-bottom: .4rem; border-bottom: 1px solid var(--line-soft); }
.dl-group-title a { color: inherit; text-decoration: none; }
.dl-group-title a:hover { color: var(--accent-2); }
.dl-sku { margin-left: .5rem; font-size: .75rem; color: var(--text-3); font-weight: 400; }
.dl-list { list-style: none; margin: 0; padding: 0; }
.dl-item { display: flex; align-items: center; gap: .5rem; padding: .55rem .25rem; border-bottom: 1px dashed var(--line-soft); }
.dl-link { display: inline-flex; align-items: center; gap: .5rem; color: var(--text); text-decoration: none; flex: 1; min-width: 0; }
.dl-link:hover .dl-name { color: var(--accent-2); text-decoration: underline; }
.dl-icon { flex: none; }
.dl-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dl-ext { flex: none; font-size: .7rem; font-weight: 600; letter-spacing: .03em; color: var(--text-3); border: 1px solid var(--line); border-radius: 4px; padding: .1rem .4rem; }

/* ===================== UTILITIES ===================== */
.muted { color: var(--text-3); }
.small { font-size: 13px; }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0 !important; } .mb-1 { margin-bottom: var(--s1) !important; } .mb-2 { margin-bottom: var(--s2) !important; }
.mb-3 { margin-bottom: var(--s3) !important; } .mb-4 { margin-bottom: var(--s4) !important; }
.mt-0 { margin-top: 0 !important; } .mt-1 { margin-top: var(--s1) !important; } .mt-2 { margin-top: var(--s2) !important; }
.mt-3 { margin-top: var(--s3) !important; } .mt-4 { margin-top: var(--s4) !important; }
.row { display: flex; align-items: center; gap: var(--s2); flex-wrap: wrap; }

/* ===================== SITE-WIDE OVERLAYS (ambient lens + progress) ===================== */
#ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(60vw 60vw at 18% 12%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%),
              radial-gradient(50vw 50vw at 85% 80%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 60%);
  filter: blur(20px); animation: drift 24s ease-in-out infinite alternate; }
@keyframes drift { 0% { transform: translate3d(-2%, -1%, 0) scale(1); } 100% { transform: translate3d(3%, 2%, 0) scale(1.08); } }
#lens { position: fixed; inset: 0; z-index: 1; pointer-events: none; mix-blend-mode: screen;
  background: radial-gradient(220px 220px at var(--mx, 50%) var(--my, 30%), color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%); opacity: .55; transition: opacity .3s; }
#progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); z-index: 70; }

/* ===================== SCROLL REVEAL ===================== */
/* Scoped to .js so non-JS / crawlers see fully-visible content. */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--eur), transform .7s var(--eur); }
.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1080px) {
  .stats .container { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(3) { border-right: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: var(--s5); }
  .hero-visual { max-width: 460px; }
  .product-layout, .contact-grid, .checkout-layout { grid-template-columns: 1fr; gap: var(--s4); }
  .product-gallery, .product-buy { position: static; }
  .product-gallery { height: auto; aspect-ratio: 1 / 1; }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; padding: var(--s2);
    background: var(--header-bg-scrolled); border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: flex; }
  .main-nav > a, .nav-link { justify-content: flex-start; }
  .nav-item { width: 100%; }
  .nav-item-head { width: 100%; justify-content: space-between; }
  .nav-dropdown, .nav-dropdown.mega {
    position: static; transform: none; min-width: 0; width: auto; max-width: none; box-shadow: none; border: 0; border-left: 2px solid var(--line);
    border-radius: 0; padding: var(--s1) var(--s2); display: none; backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  .nav-item.open > .nav-dropdown, .nav-item.open > .nav-dropdown.mega { display: block; }
  .nav-dropdown.mega { flex-direction: column; gap: 0; }
  .mega-col { gap: 0; padding: 8px 0; width: auto; }
  .mega-head { border-bottom: 0; padding: 8px 0; margin: 0; font-size: 14.5px; white-space: normal; }
  .mega-head::before { display: none; }
  .mega-list { gap: 0; }
  .mega-list a { padding: 6px 0 6px 14px; font-size: 14px; transform: none !important; white-space: normal; }
  .mega-list a:hover { transform: none; }
  .search-form input { width: 110px; }
  .topbar .tb-right .tb-extra { display: none; }
  .features, .value-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--s5); }
  .hero h1, .hero .lead { max-width: 100%; }
  .subgroups { margin-left: 0; padding-left: 0; border-left: none; }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  #lens { display: none; } /* cursor lens is a pointer device affordance */
}
@media (max-width: 560px) {
  .stats .container { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: var(--s3); }
  .topbar .tb-left { display: none; }
  .topbar .container, .topbar-inner { height: auto; min-height: 42px; flex-wrap: wrap; padding: 6px 0; }
  .topbar .tb-right { gap: var(--s2); flex-wrap: wrap; }
  .hero h1 { font-size: clamp(1.9rem, 8.6vw, 2.6rem); }
  .hero .lead { font-size: 1.02rem; }
  .brand small { display: none; }
  .brand { min-width: 0; }
  .search-form input { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal, .reveal { opacity: 1; transform: none; transition: none; }
  .hero-visual .orb, #ambient { animation: none; }
  html { scroll-behavior: auto; }
  body { transition: none; }
  #lens { display: none; }
}

/* ===== About page hub: sticky sub-nav · sections · timeline · link cards ===== */
.about-subnav {
  position: sticky;
  top: 96px;
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 12px;
  margin: 0 0 var(--s4);
  background: var(--header-bg-scrolled);
  border: 1px solid var(--glass-bd);
  border-radius: var(--r-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.about-subnav a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.about-subnav a:hover { color: var(--text); background: var(--glass); }
.about-subnav a.active {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 6px 18px var(--accent-soft);
}

.about-sec {
  scroll-margin-top: 120px;
  padding: var(--s2) 0 var(--s4);
}
.about-sec + .about-sec {
  border-top: 1px solid var(--line-soft, var(--glass-bd));
}

/* vertical milestones timeline */
.timeline {
  list-style: none;
  margin: var(--s3) 0 0;
  padding: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--accent), var(--accent-2));
  opacity: .45;
}
.tl-item {
  position: relative;
  padding: 0 0 var(--s3) 56px;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-marker {
  position: absolute;
  left: 0;
  top: -2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: var(--r-pill);
  box-shadow: 0 4px 16px var(--accent-soft);
}
.tl-text {
  display: block;
  color: var(--text-2);
  line-height: 1.7;
  padding: .9rem 1.1rem;
  border: 1px solid var(--line-soft, var(--glass-bd));
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-2) 72%, transparent);
}
.tl-text strong {
  display: block;
  color: var(--text);
  font-size: 1.05rem;
  margin-bottom: .35rem;
}
.tl-text ul {
  margin: .35rem 0 0;
  padding-left: 1.1em;
}
.tl-text li { margin-bottom: .25rem; }
@media (max-width: 640px) {
  .tl-item { padding-left: 48px; }
  .timeline::before { left: 16px; }
  .tl-marker { min-width: 34px; height: 34px; font-size: 11px; padding: 0 7px; }
  .tl-text { padding: .75rem .9rem; }
}

/* functional link cards to sub-item pages */
.link-cards {
  display: grid;
  gap: var(--s3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: var(--s3);
}
.link-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--s3);
  text-decoration: none;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--glass-bd);
  border-radius: var(--r-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}
.link-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-line);
  background: var(--glass-strong);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .25);
}
.lc-title { font-size: 1.05rem; font-weight: 600; }
.lc-desc { font-size: .9rem; color: var(--text-3); line-height: 1.5; }
.lc-arrow {
  position: absolute;
  right: var(--s3);
  top: var(--s3);
  color: var(--accent);
  font-size: 1.1rem;
  transition: transform .25s var(--ease);
}
.link-card:hover .lc-arrow { transform: translateX(4px); }

/* ---- About page: figure / media blocks -------------------------------
   Content is authored as HTML in page_i18n, so the imagery lives in a few
   reusable wrappers rather than in the template:
     .ab-fig        figure with caption (optionally .ab-fig--right)
     .ab-split      two-column text + image, stacks on narrow screens
     .ab-facts      key figures rendered as a stat strip
     .ab-shot      full-bleed photo band with an overlaid caption
     .ab-prods     product gallery grid
   Colours come from theme variables (with color-mix against a sibling
   variable) so all four presets stay consistent. */
.ab-fig {
  margin: var(--s5) 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-2) 88%, transparent);
}

.ab-fig img {
  display: block; width: 100%;
  height: clamp(200px, 34vw, 380px);
  object-fit: cover;
  background: color-mix(in srgb, var(--bg-3) 70%, var(--bg));
}

.ab-fig figcaption {
  padding: 12px 16px;
  font-size: 13px; line-height: 1.6;
  color: var(--text-3);
  border-top: 1px solid var(--line-soft);
}

/* Text beside a portrait/lscape image; the image keeps a 4:3 frame. */
.ab-split {
  display: grid;
  grid-template-columns: 1fr minmax(0, 1.05fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
  margin: var(--s5) 0;
}

.ab-split > .ab-fig { margin: 0; }
.ab-split > .ab-fig img { height: clamp(240px, 32vw, 360px); }

/* Mirror: image first on wide screens without reordering in the DOM. */
.ab-split--rev > .ab-fig { order: -1; }

/* The text column reads as prose, not as a list item. */
.ab-split > :first-child > :last-child { margin-bottom: 0; }

/* Stat strip for the "founded / area / team" facts. */
.ab-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: var(--s5) 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--line);
}

.ab-fact {
  padding: 20px 18px;
  background: var(--bg-2);
  transition: background .25s var(--ease);
}

.ab-fact:hover { background: var(--bg-3); }

.ab-fact b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -.02em;
  line-height: 1.15;
}

.ab-fact span {
  display: block; margin-top: 6px;
  font-size: 13px; color: var(--text-3);
}

/* Full-bleed photo band inside the content column. */
.ab-shot {
  position: relative;
  margin: var(--s6) 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.ab-shot img {
  display: block; width: 100%;
  height: clamp(240px, 42vw, 460px);
  object-fit: cover;
}

/* Legibility scrim — deeper than .hero-ad-veil so the caption reads on any
   artwork without darkening the whole photo. */
.ab-shot::after {
  content: "";
  position: absolute; inset: auto 0 0 0; height: 62%;
  background: linear-gradient(to top,
    color-mix(in srgb, var(--bg) 88%, transparent) 0%,
    color-mix(in srgb, var(--bg) 45%, transparent) 55%,
    transparent 100%);
  pointer-events: none;
}

.ab-shot figcaption {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  padding: 18px 20px;
  font-size: 13px; line-height: 1.6; color: var(--text-2);
}

/* Product gallery: uniform tiles so mixed-aspect renders stay tidy. */
.ab-prods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin: var(--s5) 0;
}

.ab-prods figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--bg-2);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.ab-prods figure:hover {
  border-color: var(--accent-line);
  transform: translateY(-3px);
}

.ab-prods img {
  display: block; width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  padding: 12px;
  background: #fff;
}

.ab-prods figcaption {
  padding: 9px 12px;
  font-size: 12px; line-height: 1.5;
  color: var(--text-3);
  border-top: 1px solid var(--line-soft);
}

@media (max-width: 860px) {
  .ab-split { grid-template-columns: 1fr; }
  .ab-split--rev > .ab-fig { order: 0; }
}

/* ---- Editorial pages: FAQ / shipping / privacy ------------------------
   Same design language as the About blocks above, but tuned for pages whose
   body is a list of short Q&A or short sections rather than long prose:
     .qa-grid      numbered Q&A cards (FAQ)
     .qa-ask/qa-say question / answer halves
     .flow         horizontal process steps (shipping)
     .flow-step    one step, numbered badge on a connecting rail
     .term-grid    trade-term / payment tiles
     .term         one tile with a code chip
     .key-grid     key-value tiles (privacy)
     .key          one tile with a title + body
   All colours derive from theme variables so the four presets stay in sync. */

/* --- FAQ: question / answer cards ------------------------------------- */
.qa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  margin: var(--s5) 0;
}

.qa-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--bg-2) 90%, transparent);
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.qa-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .18);
}

/* The question carries the accent; the answer stays in body colour so the
   card still reads top-to-bottom when scanned quickly. */
.qa-ask {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.45;
  color: var(--text);
}

.qa-ask::before {
  content: "Q";
  flex: 0 0 auto;
  display: grid; place-items: center;
  width: 24px; height: 24px;
  margin-top: 1px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.qa-say {
  margin: 0;
  padding-left: 34px;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--text-2);
}

.qa-say > :first-child { margin-top: 0; }
.qa-say > :last-child { margin-bottom: 0; }

/* --- Shipping: process rail ------------------------------------------- */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  margin: var(--s5) 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--line);
}

.flow-step {
  position: relative;
  padding: 24px 20px 26px;
  background: var(--bg-2);
  transition: background .25s var(--ease);
}

.flow-step:hover { background: var(--bg-3); }

/* Numbered badge; the rail between steps is drawn on the parent via ::before
   so it scales with the responsive column count. */
.flow-n {
  display: grid; place-items: center;
  width: 30px; height: 30px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.flow-step h4 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 650;
  color: var(--text);
}

.flow-step p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--text-3);
}

/* --- Trade terms / payment tiles -------------------------------------- */
.term-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: var(--s5) 0;
}

.term {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: color-mix(in srgb, var(--bg-2) 90%, transparent);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.term:hover { border-color: var(--accent-line); transform: translateY(-2px); }

.term-code {
  display: inline-block;
  padding: 3px 10px;
  margin-bottom: 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.term b {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-display);
  font-size: .97rem;
  font-weight: 650;
  color: var(--text);
}

.term p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.6;
  color: var(--text-3);
}

/* --- Privacy: key points ---------------------------------------------- */
.key-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin: var(--s5) 0;
}

.key {
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--bg-2) 90%, transparent);
  border-left: 3px solid color-mix(in srgb, var(--accent) 60%, transparent);
  transition: background .25s var(--ease);
}

.key:hover { background: var(--bg-3); }

.key h4 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 650;
  color: var(--text);
}

.key p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--text-2);
}

/* Privacy copy is short; a lead paragraph deserves more presence than body
   text so the page does not open with an orphaned line. */
.lede {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-2);
}

@media (max-width: 720px) {
  .ab-split { grid-template-columns: 1fr; }
  .ab-split--rev > .ab-fig { order: 0; }
  .about-subnav { top: 72px; padding: 8px; gap: 6px; }
  .about-subnav a { padding: 6px 11px; font-size: 13px; }
  .about-sec { scroll-margin-top: 88px; }
  .ab-prods { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
  .ab-fact { padding: 16px 14px; }
  .qa-grid { grid-template-columns: 1fr; gap: 12px; }
  .qa-card { padding: 18px 18px 20px; }
  .qa-say { padding-left: 0; }
  .flow { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .flow-step { padding: 18px 16px 20px; }
  .term-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
  .key-grid { grid-template-columns: 1fr; }
}

/* ---- Overflow guards ---------------------------------------------------
   Grid/flex children default to min-width:auto, so a long unbroken token
   (a model number, an email, "10–20 days") refuses to shrink and pushes the
   whole row wider than the viewport. Every tile below is a grid child, so
   each one needs an explicit min-width:0, plus wrapping as a second line of
   defence. Cheap and it prevents the whole site from drifting sideways on
   narrow screens. */
.qa-card, .flow-step, .term, .key, .ab-fact, .ab-fig, .ab-prods figure {
  min-width: 0;
}

.qa-ask, .qa-say, .flow-step p, .term p, .key p, .ab-fact span {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* Figures and grids must never exceed their column, whatever the source
   image's intrinsic width is. */
.ab-fig, .ab-shot, .qa-grid, .flow, .term-grid, .key-grid, .ab-facts, .ab-prods {
  max-width: 100%;
}
.ab-fig img, .ab-shot img, .ab-prods img {
  max-width: 100%;
}

/* ============================================================================
   SOLUTIONS HUB  /zh/blog/category/solutions
   ----------------------------------------------------------------------------
   The solutions category is the hub for every microgrid / C&I storage article,
   so it gets its own layout instead of the generic three-column blog list:
     .sx-hero        full-viewport photo hero with a scroll cue
     .sx-stats       credibility strip (countries / projects / W&E / uptime)
     .sx-nav         sticky in-page section nav (scroll-spy)
     .sx-seg         scenario switcher — click a scenario, its posts swap in
     .sx-cards       the post cards themselves (image + meta + excerpt)
     .sx-wall        "on site" masonry photo wall, hover reveals the caption
     .sx-cap         capability pillars (4 delivery capabilities)
     .sx-process     how-we-deliver numbered steps
     .sx-cta         closing call to action over a photo
     .sx-all         the complete index of every article in this category
   Every colour resolves through a theme variable so the four presets stay in
   sync; nothing here hard-codes a hue.
   ========================================================================== */

/* --- Full-viewport hero -------------------------------------------------- */
.sx-hero {
  position: relative;
  /* 100dvh so mobile browser chrome collapsing grows the hero, matching the
     homepage ad hero. Falls back to vh where dvh is unsupported. */
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.sx-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.sx-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
  display: block;
  /* Slow drift keeps the hero from feeling like a static banner. */
  animation: sx-hero-drift 26s var(--ease) infinite alternate;
}

@keyframes sx-hero-drift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to   { transform: scale(1.14) translate3d(-1.4%, -1.2%, 0); }
}

/* Two-stop scrim: dark at the bottom-left where the copy sits, clear at the
   top-right so the photo still reads. */
.sx-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top,
      color-mix(in srgb, var(--bg) 94%, transparent) 0%,
      color-mix(in srgb, var(--bg) 72%, transparent) 34%,
      color-mix(in srgb, var(--bg) 24%, transparent) 66%,
      color-mix(in srgb, var(--bg) 45%, transparent) 100%);
}

.sx-hero-body {
  position: relative;
  z-index: 2;
  padding: 0 0 clamp(48px, 8vh, 96px);
}

.sx-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: var(--s3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-pill);
}

.sx-hero h1 {
  max-width: 20ch;
  font-size: clamp(2.4rem, 6.2vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -.03em;
  margin: 0 0 var(--s3);
  text-wrap: balance;
}

.sx-hero-lead {
  max-width: 58ch;
  font-size: clamp(1rem, 1.35vw, 1.14rem);
  line-height: 1.75;
  color: var(--text-2);
  margin: 0 0 var(--s4);
}

.sx-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-bottom: var(--s4);
}

/* Bouncing chevron that doubles as "scroll for more". */
.sx-hero-cue {
  position: absolute;
  right: clamp(16px, 4vw, 48px);
  bottom: clamp(48px, 8vh, 96px);
  z-index: 2;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--text-2);
  border: 1px solid var(--glass-bd);
  border-radius: var(--r-pill);
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-decoration: none;
  animation: sx-cue 2.4s var(--ease) infinite;
}

.sx-hero-cue:hover { color: var(--accent); border-color: var(--accent-line); }

@keyframes sx-cue {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(7px); }
}

/* --- Credibility strip --------------------------------------------------- */
.sx-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin: var(--s5) 0 var(--s6);
}

.sx-stat {
  padding: 24px 20px;
  background: var(--bg-2);
  transition: background .3s var(--ease);
}

.sx-stat:hover { background: var(--bg-3); }

.sx-stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--accent);
}

.sx-stat span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-3);
}

/* --- Sticky in-page nav -------------------------------------------------- */
.sx-nav {
  position: sticky;
  top: 96px;
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 9px 12px;
  margin: 0 0 var(--s5);
  background: var(--header-bg-scrolled);
  border: 1px solid var(--glass-bd);
  border-radius: var(--r-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.sx-nav a {
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.sx-nav a:hover { color: var(--text); background: var(--glass); }

.sx-nav a.active {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 18px var(--accent-soft);
}

/* --- Section shell ------------------------------------------------------- */
.sx-sec {
  scroll-margin-top: 124px;
  margin-bottom: var(--s7);
}

.sx-head { margin-bottom: var(--s4); }

.sx-kicker {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}

.sx-head h2 {
  font-size: clamp(1.55rem, 3vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0 0 var(--s2);
}

.sx-head p {
  max-width: 72ch;
  margin: 0;
  color: var(--text-2);
  line-height: 1.75;
}

/* --- Scenario switcher ---------------------------------------------------
   A horizontal rail of scenario tiles. Each is a <button> so it works
   without JS; the script only adds the aria-pressed bookkeeping. One tile
   spans two columns and carries the scene photo. */
.sx-seg {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: var(--s5);
}

.sx-seg-item {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  min-height: 168px;
  padding: 20px;
  overflow: hidden;
  text-align: left;
  font: inherit;
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.sx-seg-item:hover {
  transform: translateY(-3px);
  border-color: var(--accent-line);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .2);
}

.sx-seg-item[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 16px 34px var(--accent-soft);
}

/* Photo only shows through on the pressed tile, so the rail reads as a quiet
   list until you pick one. */
.sx-seg-photo {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .35s var(--ease);
}

.sx-seg-item[aria-pressed="true"] .sx-seg-photo { opacity: .34; }

.sx-seg-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sx-seg-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    color-mix(in srgb, var(--bg-2) 82%, transparent),
    color-mix(in srgb, var(--bg-2) 40%, transparent));
}

.sx-seg-body { position: relative; z-index: 1; }

.sx-seg-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 650;
  line-height: 1.35;
}

.sx-seg-desc {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-3);
}

.sx-seg-n {
  position: absolute;
  top: 16px;
  right: 18px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
}

/* --- Post cards ---------------------------------------------------------- */
.sx-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.sx-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: var(--glass);
  border: 1px solid var(--glass-bd);
  border-radius: var(--r-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.sx-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
  box-shadow: 0 20px 44px rgba(0, 0, 0, .28);
}

.sx-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-3);
}

.sx-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--ease);
}

.sx-card:hover .sx-card-media img { transform: scale(1.06); }

/* "Case" ribbon on the tiles that are deployed projects rather than concepts. */
.sx-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: var(--r-pill);
}

.sx-card-body {
  display: flex;
  flex-direction: column;
  gap: 9px;
  flex: 1;
  padding: 20px 20px 22px;
}

.sx-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--text-3);
}

.sx-card-meta .sx-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: .55;
}

.sx-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--text);
  transition: color .25s var(--ease);
}

.sx-card:hover .sx-card-title { color: var(--accent); }

.sx-card-desc {
  flex: 1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}

.sx-card-go {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
}

.sx-card-go svg {
  width: 15px;
  height: 15px;
  transition: transform .25s var(--ease);
}

.sx-card:hover .sx-card-go svg { transform: translateX(4px); }

/* --- Scenario panes: only the selected one is in the layout, so hidden panes
   take no space and cannot be reached by keyboard. */
.sx-pane { display: none; }
.sx-pane.active { display: block; animation: sx-pane-in .45s var(--ease); }

@keyframes sx-pane-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* "See every article in this scenario" link under a pane. */
.sx-more { margin-top: var(--s3); }

.sx-more a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-line);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.sx-more a:hover { color: var(--accent-2); border-bottom-color: var(--accent-2); }

/* --- "On site" photo wall ------------------------------------------------ */
.sx-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.sx-wall figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-2);
  aspect-ratio: 4 / 3;
}

.sx-wall figure.tall { grid-row: span 2; aspect-ratio: 3 / 4; }

.sx-wall img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--ease);
}

.sx-wall figure:hover img { transform: scale(1.07); }

.sx-wall figcaption {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  padding: 34px 18px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  /* Caption band slides up from the bottom edge on hover. */
  transform: translateY(calc(100% - 34px));
  transition: transform .38s var(--ease);
  background: linear-gradient(to top,
    color-mix(in srgb, var(--bg) 92%, transparent),
    color-mix(in srgb, var(--bg) 55%, transparent) 60%,
    transparent);
}

.sx-wall figure:hover figcaption { transform: none; }

.sx-wall figcaption b {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 650;
}

/* --- Capability pillars -------------------------------------------------- */
.sx-cap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.sx-cap > div {
  padding: 28px 24px 30px;
  background: var(--bg-2);
  transition: background .3s var(--ease);
}

.sx-cap > div:hover { background: var(--bg-3); }

/* Numbered via counter so the order can never drift from the markup. */
.sx-cap > div::before {
  content: counter(sx-cap, decimal-leading-zero);
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--accent);
}

.sx-cap { counter-reset: sx-cap; }

.sx-cap b {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 650;
  color: var(--text);
}

.sx-cap p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

/* --- Delivery steps ------------------------------------------------------ */
.sx-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  counter-reset: sx-step;
}

.sx-step {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--glass);
  border: 1px solid var(--glass-bd);
  border-radius: var(--r-lg);
}

.sx-step::before {
  content: counter(sx-step, decimal-leading-zero);
  counter-increment: sx-step;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: var(--r-pill);
  box-shadow: 0 6px 16px var(--accent-soft);
}

.sx-step b {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 650;
  color: var(--text);
}

.sx-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}

/* --- Closing CTA --------------------------------------------------------- */
.sx-cta {
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(300px, 44vh, 460px);
  padding: var(--s6) var(--s4);
  overflow: hidden;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  isolation: isolate;
}

.sx-cta-bg { position: absolute; inset: 0; z-index: -2; }

.sx-cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sx-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom,
    color-mix(in srgb, var(--bg) 72%, transparent),
    color-mix(in srgb, var(--bg) 90%, transparent));
}

.sx-cta h2 {
  max-width: 22ch;
  margin: 0 auto var(--s3);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -.02em;
}

.sx-cta p {
  max-width: 56ch;
  margin: 0 auto var(--s4);
  color: var(--text-2);
  line-height: 1.75;
}

.sx-cta .sx-hero-cta { justify-content: center; margin-bottom: 0; }

/* --- Complete index ------------------------------------------------------
   The exhaustive list is collapsed by default so the scenario panes above
   stay the primary read; <details> keeps it working with JS disabled. */
.sx-all { margin-top: var(--s4); }

.sx-all > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  padding: 18px 22px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--glass-bd);
  border-radius: var(--r-lg);
  cursor: pointer;
  list-style: none;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.sx-all > summary::-webkit-details-marker { display: none; }
.sx-all > summary:hover { border-color: var(--accent-line); background: var(--glass-strong); }

.sx-all > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg) translateY(-2px);
  transition: transform .3s var(--ease);
}

.sx-all[open] > summary::after { transform: rotate(-135deg) translateY(-2px); }

.sx-all-body {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1px;
  margin-top: 12px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.sx-all-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 15px 18px;
  color: var(--text-2);
  text-decoration: none;
  background: var(--bg-2);
  transition: background .22s var(--ease), color .22s var(--ease);
}

.sx-all-item:hover { background: var(--bg-3); color: var(--text); }

.sx-all-item::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--accent-line);
  transition: background .22s var(--ease);
}

.sx-all-item:hover::before { background: var(--accent); }

.sx-all-item span {
  font-size: 14px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

/* --- Overflow guards for the hub ---------------------------------------- */
.sx-seg-item, .sx-card, .sx-stat, .sx-cap > div, .sx-step, .sx-wall figure, .sx-all-item {
  min-width: 0;
}

.sx-card-desc, .sx-seg-desc, .sx-cap p, .sx-step p, .sx-all-item span {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.sx-seg, .sx-cards, .sx-wall, .sx-cap, .sx-steps, .sx-stats, .sx-all-body {
  max-width: 100%;
}

.sx-card-media img, .sx-wall img, .sx-seg-photo img, .sx-cta-bg img {
  max-width: 100%;
}

/* --- Responsive ----------------------------------------------------------
   Below 860px the sticky nav would eat too much of a short viewport, so it
   stops sticking and scrolls with the page instead. */
@media (max-width: 860px) {
  .sx-hero-cue { display: none; }
  .sx-nav {
    position: static;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .sx-nav::-webkit-scrollbar { display: none; }
  .sx-sec { scroll-margin-top: 16px; }
  .sx-wall figure.tall { grid-row: auto; aspect-ratio: 4 / 3; }
  .sx-wall figcaption { transform: none; }
}

@media (max-width: 640px) {
  .sx-stats { grid-template-columns: repeat(2, 1fr); }
  .sx-cards { grid-template-columns: 1fr; }
  .sx-seg-item { min-height: 132px; }
  .sx-hero-cta .btn { flex: 1 1 100%; justify-content: center; }
}

/* Honour the OS "reduce motion" setting: kill the hero drift, the bouncing
   cue and the pane fade, but keep colour/transform feedback. */
@media (prefers-reduced-motion: reduce) {
  .sx-hero-media img { animation: none; }
  .sx-hero-cue { animation: none; }
  .sx-pane.active { animation: none; }
  .sx-card:hover, .sx-seg-item:hover { transform: none; }
}

/* ================================================================== */
/* SCENARIO PAGES  ·  场景解决方案页（off-grid / 并网储能 / 弱电网 /分布式） */
/* ================================================================== */
/* 正文存于数据库（categories.description / pages.content），无法直接改
   视图，因此所有视觉能力都用这一套语义类实现，HTML 里只留 class，
   不写任何内联样式或十六进制色值 —— 4 套主题 preset 才能自动适配。
   旧正文的硬编码 #e5e7eb / #555 在 graphite 主题下对比度只有 1.6:1，
   是「不符合 VI 规范」的根因，这里统一替换为主题变量。 */

.scn-hero {
  position: relative;
  margin: var(--s4) 0 var(--s5);
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(120% 140% at 8% 0%, var(--accent-soft), transparent 58%),
    radial-gradient(110% 130% at 100% 100%, var(--accent-soft), transparent 62%),
    var(--bg-1);
  box-shadow: var(--sh-1);
  overflow: hidden;
}
.scn-hero::after {
  content: '';
  position: absolute;
  inset: auto -18% -58% auto;
  width: 58%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 68%);
  pointer-events: none;
}
.scn-hero > * { position: relative; z-index: 1; min-width: 0; }
.scn-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  margin-bottom: .8rem;
  padding: .28em .8em;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
}
.scn-hero h2 {
  margin: 0 0 .7rem;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--text);
}
.scn-hero-lede {
  max-width: 68ch;
  margin: 0;
  color: var(--text-2);
  font-size: clamp(.96rem, 1.5vw, 1.08rem);
  line-height: 1.78;
}
.scn-hero-lede strong { color: var(--text); }

/* 数据条：4 个关键指标，用主题变量做玻璃拟态 */
.scn-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .7rem;
  margin: 0 0 var(--s4);
  padding: 0;
  list-style: none;
}
.scn-stats li {
  min-width: 0;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: color-mix(in srgb, var(--bg-2) 82%, transparent);
  backdrop-filter: blur(10px);
}
.scn-stats b {
  display: block;
  margin-bottom: .2rem;
  color: var(--accent);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -.02em;
  overflow-wrap: anywhere;
}
.scn-stats span {
  display: block;
  color: var(--text-2);
  font-size: .84rem;
  line-height: 1.5;
}

/* 分层架构图：把「发电层 / 储能层 / 变换层 / 管理层」画成可点亮的层 */
.scn-stack { display: grid; gap: .55rem; margin: var(--s3) 0; }
.scn-layer {
  display: grid;
  grid-template-columns: 74px 1fr;
  align-items: start;
  gap: 1rem;
  min-width: 0;
  padding: .9rem 1.05rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-2) 70%, transparent);
  transition: border-color .22s ease, background-color .22s ease, transform .22s ease;
}
.scn-layer:hover {
  border-color: var(--accent-line);
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--bg-2) 92%, var(--accent-soft));
  transform: translateX(3px);
}
.scn-layer-tag {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding-top: .18rem;
}
.scn-layer-body { min-width: 0; }
.scn-layer-body h4 {
  margin: 0 0 .35rem;
  color: var(--text);
  font-size: 1.02rem;
}
.scn-layer-body p {
  margin: 0;
  color: var(--text-2);
  font-size: .93rem;
  line-height: 1.72;
}
.scn-layer-body p + p { margin-top: .5rem; }

/* 产品矩阵卡：产品实拍图 + 关键参数，正文里的事实卡 */
.scn-prods {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 268px), 1fr));
  gap: 1rem;
  margin: var(--s3) 0;
}
.scn-prod {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: color-mix(in srgb, var(--bg-2) 78%, transparent);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.scn-prod:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
  box-shadow: var(--sh-2);
}
.scn-prod figure { margin: 0; background: var(--bg-3); overflow: hidden; }
.scn-prod figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .5s ease;
}
.scn-prod:hover figure img { transform: scale(1.055); }
.scn-prod-body {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  flex: 1;
  padding: .95rem 1rem 1.05rem;
}
.scn-prod-model {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
  overflow-wrap: anywhere;
}
.scn-prod-name {
  margin: 0;
  color: var(--text);
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.45;
}
.scn-prod-specs { margin: 0; padding: 0; list-style: none; }
.scn-prod-specs li {
  display: flex;
  justify-content: space-between;
  gap: .7rem;
  min-width: 0;
  padding: .3rem 0;
  border-top: 1px solid var(--line-soft);
  font-size: .82rem;
  line-height: 1.5;
}
.scn-prod-specs li:first-child { border-top: 0; }
.scn-prod-specs dt,
.scn-prod-specs .k { color: var(--text-3); flex: 0 0 auto; }
.scn-prod-specs .v {
  color: var(--text-2);
  text-align: right;
  overflow-wrap: anywhere;
  min-width: 0;
}
.scn-prod-more {
  margin-top: auto;
  padding-top: .5rem;
  color: var(--accent);
  font-size: .84rem;
  font-weight: 600;
}

/* 参数表：真实规格参数，移动端转成卡片而不是横向滚动 */
.scn-tablewrap {
  margin: var(--s3) 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg-2) 60%, transparent);
}
.scn-tablewrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
.scn-tablewrap caption {
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-3) 60%, transparent);
  color: var(--text);
  font-size: .9rem;
  font-weight: 600;
  text-align: left;
}
.scn-tablewrap th,
.scn-tablewrap td {
  padding: .62rem .95rem;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}
.scn-tablewrap tbody tr:last-child th,
.scn-tablewrap tbody tr:last-child td { border-bottom: 0; }
.scn-tablewrap tbody th {
  width: 38%;
  color: var(--text-3);
  font-weight: 500;
  overflow-wrap: anywhere;
}
.scn-tablewrap tbody td {
  color: var(--text-2);
  overflow-wrap: anywhere;
}
.scn-tablewrap thead th {
  color: var(--text);
  background: color-mix(in srgb, var(--bg-3) 45%, transparent);
  font-weight: 600;
  white-space: nowrap;
}
.scn-tablewrap tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 60%, transparent); }

/* 对比卡：跟网型 vs 构网型 / 方案取舍 */
.scn-compare {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
  margin: var(--s3) 0;
}
.scn-compare > div {
  min-width: 0;
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-2) 72%, transparent);
}
.scn-compare > div.is-hero {
  border-color: var(--accent-line);
  background: color-mix(in srgb, var(--bg-2) 88%, var(--accent-soft));
}
.scn-compare h4 {
  margin: 0 0 .5rem;
  padding-bottom: .45rem;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  font-size: 1rem;
}
.scn-compare p { margin: .45rem 0 0; color: var(--text-2); font-size: .9rem; line-height: 1.7; }
.scn-compare strong { color: var(--text); }
.scn-compare ul { margin: .5rem 0 0; padding-left: 1.15em; color: var(--text-2); font-size: .9rem; }
.scn-compare li { margin-bottom: .3em; }

/* 流程步骤：容量设计 / 交付流程，带序号与连接线 */
.scn-steps {
  display: grid;
  gap: .6rem;
  margin: var(--s3) 0;
  padding: 0;
  list-style: none;
  counter-reset: scnstep;
}
.scn-steps li {
  position: relative;
  min-width: 0;
  padding: .95rem 1.1rem .95rem 3.4rem;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: color-mix(in srgb, var(--bg-2) 68%, transparent);
  counter-increment: scnstep;
}
.scn-steps li::before {
  content: counter(scnstep);
  position: absolute;
  top: .92rem;
  left: 1.05rem;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid var(--accent-line);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .82rem;
  font-weight: 700;
}
.scn-steps h4 { margin: 0 0 .3rem; color: var(--text); font-size: .98rem; }
.scn-steps p { margin: 0; color: var(--text-2); font-size: .91rem; line-height: 1.72; }
.scn-steps ul { margin: .5rem 0 0; padding-left: 1.15em; color: var(--text-2); font-size: .89rem; }
.scn-steps li + li::before { top: .92rem; }

/* 公式块：容量/功率核算，等宽字体 + 主色左边线 */
.scn-formula {
  margin: var(--s2) 0;
  padding: .9rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: color-mix(in srgb, var(--bg-3) 46%, transparent);
  color: var(--text);
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
  font-size: .88rem;
  line-height: 1.85;
  overflow-wrap: anywhere;
}
.scn-formula em { color: var(--text-2); font-style: normal; font-family: inherit; }

/* 场景卡网格：替换旧正文里 inline-grid 的场景罗列 */
.scn-scenes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: .8rem;
  margin: var(--s3) 0;
}
.scn-scene {
  min-width: 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: color-mix(in srgb, var(--bg-2) 72%, transparent);
  transition: border-color .22s ease, transform .22s ease;
}
.scn-scene:hover { border-color: var(--accent-line); transform: translateY(-3px); }
.scn-scene h4 {
  margin: 0 0 .4rem;
  color: var(--text);
  font-size: .98rem;
}
.scn-scene p {
  margin: 0;
  color: var(--text-2);
  font-size: .88rem;
  line-height: 1.68;
}

/* 现场案例墙：masonry 式错落，替代旧的等高 img 网格 */
.scn-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 210px), 1fr));
  gap: .6rem;
  margin: var(--s3) 0;
}
.scn-wall figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-3);
}
.scn-wall img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 148px;
  max-height: 210px;
  object-fit: cover;
  transition: transform .55s ease;
}
.scn-wall figure:hover img { transform: scale(1.06); }
.scn-wall figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.6rem .8rem .6rem;
  background: linear-gradient(to top, color-mix(in srgb, var(--bg) 88%, transparent), transparent);
  color: var(--text);
  font-size: .8rem;
  line-height: 1.4;
}

/* 问答：折叠式，比 h3+p 更省版面 */
.scn-faq { margin: var(--s3) 0; }
.scn-faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-2) 62%, transparent);
  margin-bottom: .5rem;
  overflow: hidden;
}
.scn-faq summary {
  padding: .85rem 1.05rem;
  color: var(--text);
  font-weight: 600;
  font-size: .94rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  gap: .6rem;
  align-items: flex-start;
}
.scn-faq summary::-webkit-details-marker { display: none; }
.scn-faq summary::before {
  content: '+';
  flex: 0 0 auto;
  color: var(--accent);
  font-weight: 700;
  line-height: 1.5;
}
.scn-faq details[open] summary::before { content: '\2212'; }
.scn-faq details[open] { border-color: var(--accent-line); }
.scn-faq .scn-faq-a {
  padding: 0 1.05rem 1rem 2.35rem;
  color: var(--text-2);
  font-size: .9rem;
  line-height: 1.75;
}
.scn-faq .scn-faq-a p { margin: 0; }

/* 要点提示框 */
.scn-note {
  margin: var(--s3) 0;
  padding: 1rem 1.15rem;
  border: 1px solid var(--accent-line);
  border-radius: 13px;
  background: var(--accent-soft);
  color: var(--text-2);
  font-size: .91rem;
  line-height: 1.75;
}
.scn-note strong { color: var(--text); }
.scn-note p { margin: 0; }
.scn-note p + p { margin-top: .5rem; }

/* 结尾 CTA */
.scn-cta {
  margin: var(--s5) 0 var(--s3);
  padding: clamp(1.4rem, 3.5vw, 2.2rem);
  border: 1px solid var(--accent-line);
  border-radius: 18px;
  background:
    radial-gradient(120% 150% at 100% 0%, var(--accent-soft), transparent 62%),
    var(--bg-2);
  text-align: center;
}
.scn-cta h3 { margin: 0 0 .5rem; color: var(--text); font-size: 1.16rem; }
.scn-cta p { margin: 0 auto; max-width: 62ch; color: var(--text-2); font-size: .93rem; line-height: 1.75; }
.scn-cta .btn { margin-top: 1.1rem; }

/* 章节分隔：给长正文一点呼吸 */
.scn-sec { margin-top: var(--s5); }
.scn-sec > h2 {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: var(--s2);
  font-size: clamp(1.18rem, 2.4vw, 1.5rem);
  letter-spacing: -.01em;
}
.scn-sec > h2::before {
  content: '';
  flex: 0 0 auto;
  width: 4px;
  height: 1.1em;
  border-radius: 2px;
  background: linear-gradient(var(--accent), var(--accent-2));
}

/* 正文里的裸 ul / strong 也要跟上主题 */
.content .scn-prods a,
.content .scn-prods a:hover { text-decoration: none; }
.content .scn-prod-specs strong { color: var(--text); }

/* ---------- 场景页响应式 ---------- */
@media (max-width: 860px) {
  .scn-hero { padding: 1.35rem 1.15rem; border-radius: 15px; }
  .scn-layer { grid-template-columns: 1fr; gap: .35rem; padding: .85rem .95rem; }
  .scn-layer-tag { padding-top: 0; }
  .scn-tablewrap thead { display: none; }
  .scn-tablewrap tbody tr {
    display: block;
    padding: .8rem .95rem;
    border-bottom: 1px solid var(--line-soft);
  }
  .scn-tablewrap tbody tr:last-child { border-bottom: 0; }
  .scn-tablewrap tbody th,
  .scn-tablewrap tbody td { display: block; width: auto; padding: .1rem 0; border: 0; }
  .scn-tablewrap tbody th { font-size: .78rem; letter-spacing: .03em; }
  .scn-tablewrap tbody td { font-size: .92rem; }
  .scn-faq .scn-faq-a { padding-left: 1.05rem; }
}

@media (max-width: 640px) {
  .scn-stats { grid-template-columns: repeat(auto-fit, minmax(min(100%, 130px), 1fr)); gap: .5rem; }
  .scn-stats li { padding: .7rem .8rem; border-radius: 11px; }
  .scn-stats b { font-size: 1.14rem; }
  .scn-prods, .scn-compare, .scn-scenes {
    grid-template-columns: 1fr;
  }
  .scn-wall { grid-template-columns: repeat(2, 1fr); gap: .45rem; }
  .scn-wall img { min-height: 108px; max-height: 140px; }
  .scn-wall figcaption { font-size: .72rem; padding: 1.2rem .55rem .45rem; }
  .scn-steps li { padding: .85rem .9rem .85rem 2.9rem; }
  .scn-steps li::before { left: .85rem; width: 1.55rem; height: 1.55rem; font-size: .76rem; }
  .scn-formula { font-size: .82rem; padding: .75rem .85rem; }
  .scn-cta { padding: 1.3rem 1rem; border-radius: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  .scn-prod:hover, .scn-scene:hover, .scn-layer:hover { transform: none; }
  .scn-prod:hover figure img, .scn-wall figure:hover img { transform: none; }
}

/* ===================================================================
   CASE STUDY PAGES —— 案例页（微电网案例库）
   场景页讲"这类场景怎么解"，案例页讲"这一个项目实际做了什么"。
   因此案例正文必须有逐图说明与前后对照，正文存于数据库
   (categories.description)，只能靠语义类实现视觉。
   =================================================================== */

/* 单张实景 + 独立图说：航拍、位置图这类需要放大辨认的图 */
.scn-figure {
  margin: var(--s3) 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg-2) 78%, transparent);
}
.scn-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
}
.scn-figure figcaption {
  padding: .8rem 1rem .9rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-3) 55%, transparent);
  color: var(--text-2);
  font-size: .84rem;
  line-height: 1.6;
}
.scn-figure figcaption b { color: var(--text); font-weight: 650; }

/* 改造前 / 改造后对照：案例叙事的主骨架 */
.scn-before {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--s2);
  margin: var(--s3) 0;
}
.scn-before > div {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg-2) 78%, transparent);
}
.scn-before > div.is-now {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 16%, transparent);
}
.scn-before img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.scn-before .scn-before-body { padding: .9rem 1rem 1rem; }
.scn-before .scn-before-tag {
  display: inline-block;
  margin-bottom: .4rem;
  padding: .12rem .55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-3) 70%, transparent);
  color: var(--text-3);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
}
.scn-before .is-now .scn-before-tag {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: color-mix(in srgb, var(--accent) 78%, var(--text));
}
.scn-before h4 { margin: 0 0 .35rem; font-size: 1.02rem; }
.scn-before p { margin: 0; color: var(--text-2); font-size: .87rem; line-height: 1.65; }

/* 四大子系统卡片：光 / 风 / 柴 / 储 */
.scn-syscards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--s2);
  margin: var(--s3) 0;
}
.scn-syscard {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem 1.1rem;
  background: color-mix(in srgb, var(--bg-2) 78%, transparent);
}
.scn-syscard h4 {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  margin: 0 0 .45rem;
  font-size: 1.02rem;
}
.scn-syscard .scn-syscard-no {
  color: color-mix(in srgb, var(--accent) 72%, var(--text-3));
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
}
.scn-syscard p { margin: .35rem 0 0; color: var(--text-2); font-size: .88rem; line-height: 1.68; }
.scn-syscard .scn-syscard-kv {
  margin-top: .6rem;
  padding-top: .55rem;
  border-top: 1px dashed var(--line);
  color: var(--text-3);
  font-size: .8rem;
  line-height: 1.6;
}
.scn-syscard .scn-syscard-kv b { color: var(--text-2); font-weight: 650; }

/* 成果数据条：比通用 stats 更强调"降幅"语义 */
.scn-gain {
  margin: var(--s3) 0;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  border-radius: 16px;
  padding: 1.1rem 1.15rem 1.2rem;
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-2));
}
.scn-gain > h4 {
  margin: 0 0 .85rem;
  color: color-mix(in srgb, var(--accent) 30%, var(--text));
  font-size: .95rem;
  letter-spacing: .02em;
}
.scn-gain ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: .7rem;
}
.scn-gain li {
  padding: .6rem .75rem .7rem;
  border-radius: 11px;
  background: color-mix(in srgb, var(--bg-2) 82%, transparent);
  border: 1px solid var(--line);
}
.scn-gain li b {
  display: block;
  font-size: 1.42rem;
  line-height: 1.15;
  color: color-mix(in srgb, var(--accent) 62%, var(--text));
}
.scn-gain li span { display: block; margin-top: .2rem; color: var(--text-2); font-size: .82rem; line-height: 1.45; }

@media (max-width: 860px) {
  .scn-before { grid-template-columns: 1fr; }
  .scn-before img { height: 190px; }
  .scn-figure img { max-height: 300px; }
  .scn-syscards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .scn-before img { height: 165px; }
  .scn-figure figcaption { font-size: .8rem; padding: .65rem .8rem .75rem; }
  .scn-gain > ul { grid-template-columns: 1fr 1fr; }
  .scn-gain li b { font-size: 1.2rem; }
  .scn-syscards { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .scn-before img, .scn-syscard { transition: none; }
}