/* ==========================================================================
   江苏赛铭智能环保科技有限公司 · 官网 v2 主样式层
   方向：传统中国企业官网的熟悉结构（大横幅 / 居中栏目标题 / 卡片网格），
        但更干净、更大气。深蓝为主、橙色为行动色、绿色仅用于"达标"语义。
   约定：颜色一律走 :root 令牌（纯十六进制，兼容旧内核）；组件只用这里的类。
   ========================================================================== */

/* ---------- 种子令牌 ---------- */
:root {
  --seed-bg: #F5F7FA;
  --seed-surface: #FFFFFF;
  --seed-fg: #12202E;
  --seed-primary: #0B4EA2;
  --seed-accent: #E8891C;
  --seed-eco: #12915A;
  --seed-warn: #A65A0A;
  --seed-danger: #B3231F;
  --seed-radius: 4px;
  --hero-glow: #FFC46B;
  --hero-flow: #8FD8B4;
  --qr-paper: #FFFFFF;
  --qr-ink: #12202E;
  --placeholder-ink: #9AA7B4;
  --err-line: #E7B9B7;
  --footer-dim: #9FB4CB;
  --footer-bar: #93A9C0;
  --footer-link: #A9BDD2;
  --hero-abyss: #04182E;
}

/* ---------- 语义令牌（由种子派生的固定值，供外观预设整体覆盖） ---------- */
:root {
  --bg: var(--seed-bg);
  --surface: var(--seed-surface);
  --surface-2: #EDF1F6;
  --surface-3: #F7F9FC;
  --ink: var(--seed-fg);
  --ink-2: #3C4B5B;
  --muted: #6C7B8A;
  --line: #DCE3EB;
  --line-2: #C2CDD9;
  --on-dark: #FFFFFF;
  --on-dark-2: #C7D5E4;
  --on-dark-line: rgba(255, 255, 255, .22);

  --primary: var(--seed-primary);
  --primary-dark: #083A7A;
  --primary-deep: #062C5C;
  --primary-hover: #093E82;
  --primary-weak: #EAF1FA;
  --primary-line: #B7CCE6;
  --primary-text: #0B4EA2;
  --on-primary: #FFFFFF;

  --accent: var(--seed-accent);
  --accent-hover: #C9720F;
  --accent-weak: #FDF3E6;
  --accent-line: #F0D3AC;

  --eco: var(--seed-eco);
  --eco-weak: #E8F5EE;
  --eco-line: #BCE0CC;

  --warn: var(--seed-warn);
  --warn-weak: #FBF1E4;
  --danger: var(--seed-danger);
  --danger-text: #9C1F1B;
  --danger-weak: #FBEDEC;
  --focus: #BFD4EE;

  --font-ui: "IBM Plex Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  --font-num: "IBM Plex Sans", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", ui-monospace, monospace;

  --type-scale: 1;
  --fs-display: calc(42px * var(--type-scale));
  --fs-h1: calc(30px * var(--type-scale));
  --fs-h2: calc(26px * var(--type-scale));
  --fs-h3: calc(18px * var(--type-scale));
  --fs-body: calc(15px * var(--type-scale));
  --fs-lead: calc(16px * var(--type-scale));
  --fs-meta: calc(13px * var(--type-scale));
  --fs-micro: calc(12px * var(--type-scale));

  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px;
  --sp-6: 32px; --sp-7: 48px; --sp-8: 64px; --sp-9: 88px;
  --space-section: calc(72px * var(--type-scale));
  --space-card: 24px;
  --gutter: 24px;
  --container: 1200px;
  --pad-x: 24px;

  --radius: var(--seed-radius);
  --radius-control: 3px;
  --shadow-1: 0 1px 3px rgba(18, 32, 46, .08);
  --shadow-2: 0 10px 28px rgba(18, 32, 46, .14);
  --dur: 160ms;
  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-ui); font-size: var(--fs-body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
body.is-locked { overflow: hidden; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.3; color: var(--ink); }
h1 { font-size: var(--fs-h1); letter-spacing: -.01em; }
h2 { font-size: var(--fs-h2); letter-spacing: -.01em; }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 var(--sp-4); } p:last-child { margin-bottom: 0; }
a { color: var(--primary-text); text-decoration: none; }
a:hover { color: var(--primary-hover); text-decoration: underline; text-underline-offset: 3px; }
ul, ol { margin: 0; padding-left: 1.25em; } li { margin-bottom: var(--sp-2); }
img, svg { max-width: 100%; }
table { border-collapse: collapse; width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
strong, b { font-weight: 600; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; box-shadow: 0 0 0 4px var(--focus); }
::selection { background: var(--primary-weak); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 999; background: var(--surface); color: var(--primary-text); padding: 10px 20px; border: 1px solid var(--line); border-radius: var(--radius); }
.skip-link:focus { top: 12px; text-decoration: none; }

/* ---------- 版式工具 ---------- */
.eyebrow { font-family: var(--font-mono); font-size: var(--fs-micro); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.lead { font-size: var(--fs-lead); line-height: 1.75; color: var(--ink-2); max-width: 66ch; }
.meta { font-size: var(--fs-meta); color: var(--muted); line-height: 1.6; }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.measure { max-width: 68ch; }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--pad-x); }
.grid { display: grid; gap: var(--gutter); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.section { padding-block: var(--space-section); }
.section--tight { padding-block: calc(var(--space-section) * .66); }
.section--white { background: var(--surface); }
.section--gray { background: var(--surface-2); }
.section--blue { background: var(--primary-deep); color: var(--on-dark-2); }

/* 居中栏目标题（传统企业站样式） */
.sec-head { text-align: center; max-width: 720px; margin: 0 auto var(--sp-7); }
.sec-head .eyebrow { color: var(--primary); }
.sec-head h2 { margin-bottom: var(--sp-3); }
.sec-head p { color: var(--muted); font-size: var(--fs-meta); margin: 0 auto; max-width: 56ch; }
.sec-head__rule { width: 44px; height: 3px; background: var(--accent); margin: var(--sp-4) auto 0; border-radius: 2px; }
.sec-head--left { text-align: left; margin-left: 0; }
.sec-head--left .sec-head__rule { margin-left: 0; }
.sec-head--left p { margin-left: 0; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--primary-deep); color: var(--on-dark-2); font-size: var(--fs-meta); }
.topbar__in { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5); min-height: 38px; }
.topbar__id { display: flex; align-items: baseline; gap: var(--sp-3); min-width: 0; }
.topbar__id b { color: var(--on-dark); font-weight: 600; white-space: nowrap; }
.topbar__id span { opacity: .8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__acts { display: flex; align-items: center; gap: var(--sp-5); }
.topbar__tel { display: inline-flex; align-items: baseline; gap: 6px; color: var(--on-dark); font-family: var(--font-num); font-size: 14px; }
.topbar__tel:hover { color: var(--on-dark); text-decoration: none; opacity: .85; }
.topbar__tel i { font-style: normal; font-family: var(--font-ui); font-size: var(--fs-micro); opacity: .75; }
.topbar__mail { color: var(--on-dark-2); } .topbar__mail:hover { color: var(--on-dark); }

/* ---------- 主导航 ---------- */
.masthead { position: sticky; top: 0; z-index: 50; background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: 0 1px 0 rgba(18,32,46,.04); }
.masthead__in { display: flex; align-items: center; gap: var(--sp-6); min-height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark { width: 44px; height: 44px; color: var(--primary); flex: 0 0 auto; }
.brand__txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand__cn { font-size: 17px; font-weight: 700; letter-spacing: .01em; color: var(--ink); }
.brand__cn:hover { text-decoration: none; }
.brand__en { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__list > li { margin: 0; position: relative; }
.nav__link { display: inline-flex; align-items: center; gap: 5px; padding: 10px 16px; border-radius: var(--radius-control); font-size: var(--fs-body); font-weight: 500; color: var(--ink-2); border: 0; background: none; cursor: pointer; transition: color var(--dur) var(--ease), background var(--dur) var(--ease); }
.nav__link:hover { color: var(--primary-text); background: var(--primary-weak); text-decoration: none; }
.nav__link[aria-current="page"] { color: var(--primary-text); font-weight: 600; }
.nav__link[aria-current="page"]::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: -20px; height: 3px; background: var(--accent); border-radius: 2px 2px 0 0; }
.nav__caret { width: 10px; height: 10px; transition: transform var(--dur) var(--ease); }
.nav__link[aria-expanded="true"] .nav__caret { transform: rotate(180deg); }
.masthead__cta { flex: 0 0 auto; }
.nav__burger { display: none; }
.mega { position: absolute; left: 0; top: calc(100% + 20px); width: max-content; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-2); padding: var(--sp-5); display: none; z-index: 55; }
.mega[data-open="true"] { display: block; }
.mega__grid { display: grid; grid-template-columns: repeat(2, minmax(220px, 1fr)); gap: 6px; }
.mega__item { display: flex; gap: 12px; align-items: flex-start; padding: 10px; border-radius: var(--radius-control); }
.mega__item:hover { background: var(--primary-weak); text-decoration: none; }
.mega__item svg { width: 36px; height: 36px; color: var(--primary); flex: 0 0 auto; }
.mega__item b { display: block; font-size: var(--fs-body); color: var(--ink); }
.mega__item > span > span { display: block; font-size: var(--fs-meta); color: var(--muted); }
.mega__foot { margin-top: var(--sp-4); padding-top: var(--sp-4); border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: var(--sp-5); font-size: var(--fs-meta); color: var(--muted); }

/* 移动端抽屉 */
.drawer { position: fixed; inset: 0; z-index: 90; display: none; background: rgba(6, 20, 36, .5); }
.drawer[data-open="true"] { display: block; }
.drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(340px, 88vw); background: var(--surface); overflow-y: auto; padding: var(--sp-5); }
.drawer__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--sp-5); }
.drawer__close { width: 36px; height: 36px; display: grid; place-items: center; background: none; border: 1px solid var(--line); border-radius: var(--radius-control); cursor: pointer; }
.drawer__list { list-style: none; margin: 0; padding: 0; }
.drawer__list > li { margin: 0; border-bottom: 1px solid var(--line); }
.drawer__list a, .drawer__list button { display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 14px 0; background: none; border: 0; text-align: left; font-size: var(--fs-body); font-weight: 500; color: var(--ink); }
.drawer__sub { list-style: none; margin: 0 0 10px; padding: 0 0 10px 16px; font-size: var(--fs-meta); }
.drawer__sub a { display: block; padding: 5px 0; color: var(--ink-2); font-weight: 400; }

/* ---------- 按钮 / 标签 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; min-height: 44px; font-size: var(--fs-body); font-weight: 600; line-height: 1.2; border: 1px solid transparent; border-radius: var(--radius-control); background: var(--accent); color: var(--on-primary); cursor: pointer; text-decoration: none; white-space: nowrap; transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.btn:hover { background: var(--accent-hover); color: var(--on-primary); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--lg { padding: 15px 34px; font-size: 16px; }
.btn--sm { min-height: 36px; padding: 8px 16px; font-size: var(--fs-meta); }
.btn--primary { background: var(--primary); color: var(--on-primary); }
.btn--primary:hover { background: var(--primary-hover); color: var(--on-primary); }
.btn--ghost { background: transparent; color: var(--primary-text); border-color: var(--primary-line); }
.btn--ghost:hover { background: var(--primary-weak); color: var(--primary-hover); }
.btn--quiet { background: transparent; color: var(--ink-2); border-color: var(--line-2); }
.btn--quiet:hover { background: var(--surface-3); color: var(--ink); }
.btn--on-dark { background: transparent; color: var(--on-dark); border-color: var(--on-dark-line); }
.btn--on-dark:hover { background: rgba(255,255,255,.12); color: var(--on-dark); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; pointer-events: none; }
.btn.is-loading { pointer-events: none; }
.btn__spin { display: none; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.45); border-top-color: var(--on-primary); border-radius: 50%; animation: spin .7s linear infinite; }
.btn.is-loading .btn__spin { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: var(--fs-meta); }
.link-arrow svg { width: 13px; height: 13px; transition: transform var(--dur) var(--ease); }
.link-arrow:hover svg { transform: translateX(3px); }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; font-size: var(--fs-micro); font-weight: 500; color: var(--ink-2); background: var(--surface-3); border: 1px solid var(--line); border-radius: 2px; white-space: nowrap; }
.chip--primary { color: var(--primary-text); background: var(--primary-weak); border-color: var(--primary-line); }
.chip--eco { color: var(--eco); background: var(--eco-weak); border-color: var(--eco-line); }
.chip--warn { color: var(--warn); background: var(--warn-weak); border-color: var(--accent-line); }
.chip--lg { padding: 6px 12px; font-size: var(--fs-meta); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 首屏横幅（传统企业站大 Banner） ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(145deg, rgba(4, 24, 46, 0.92) 0%, rgba(9, 62, 130, 0.82) 55%, rgba(4, 24, 46, 0.90) 100%), url('../images/hero_banner_3.jpg') center/cover no-repeat; color: var(--on-dark); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none; background-image: repeating-linear-gradient(to right, var(--on-dark-line) 0 1px, transparent 1px 72px), repeating-linear-gradient(to bottom, var(--on-dark-line) 0 1px, transparent 1px 72px); -webkit-mask-image: linear-gradient(to bottom, rgba(255,255,255,.9), transparent 70%); mask-image: linear-gradient(to bottom, rgba(255,255,255,.9), transparent 70%); }
.hero__in { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: var(--sp-8); align-items: center; padding-block: var(--sp-9) var(--sp-8); }
.hero .eyebrow { color: var(--on-dark-2); }
.hero h1 { color: var(--on-dark); font-size: var(--fs-display); line-height: 1.18; letter-spacing: -.02em; margin-bottom: var(--sp-5); }
.hero h1 em { font-style: normal; color: var(--hero-glow); }
.hero__lead { color: var(--on-dark-2); font-size: var(--fs-lead); max-width: 52ch; margin-bottom: var(--sp-5); }
.hero__promise { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--sp-6); }
.hero__promise .chip { background: rgba(255,255,255,.1); border-color: var(--on-dark-line); color: var(--on-dark); }
.hero__stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; margin: var(--sp-7) 0 0; padding-top: var(--sp-6); border-top: 1px solid var(--on-dark-line); }
.hero__stat dt { font-family: var(--font-num); font-size: 30px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; color: var(--on-dark); white-space: nowrap; display: inline-flex; align-items: baseline; }
.hero__stat dt sup { font-size: 14px; color: var(--on-dark-2); margin-left: 2px; }
.hero__stat dd { margin: 4px 0 0; font-size: var(--fs-meta); color: var(--on-dark-2); }
.hero__art { position: relative; background: rgba(255,255,255,.06); border: 1px solid var(--on-dark-line); border-radius: 6px; padding: var(--sp-5); }
.hero__art figcaption { display: flex; justify-content: space-between; gap: var(--sp-4); margin-top: var(--sp-4); padding-top: 12px; border-top: 1px solid var(--on-dark-line); font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .06em; color: var(--on-dark-2); }

/* ---------- 内页页头 ---------- */
.page-banner { position: relative; overflow: hidden; background: linear-gradient(135deg, rgba(3, 18, 38, 0.88), rgba(9, 65, 142, 0.82)), url('../images/page_banner.jpg') center/cover no-repeat; color: var(--on-dark); padding-block: var(--sp-7); }
.page-banner::before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: repeating-linear-gradient(to right, rgba(255,255,255,.08) 0 1px, transparent 1px 64px); pointer-events: none; }
.page-banner::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--accent) 0%, var(--primary-line) 40%, transparent 80%); }
.page-banner__in { position: relative; display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-7); flex-wrap: wrap; }
.page-banner h1 { color: var(--on-dark); margin-bottom: 8px; font-size: clamp(28px, 3.2vw, 42px); }
.page-banner p { color: var(--on-dark-2); margin: 0; max-width: 60ch; font-size: 15px; line-height: 1.6; }
.page-banner__code { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .14em; text-transform: uppercase; color: var(--hero-glow); display: block; margin-bottom: 6px; font-weight: 600; }
.page-banner__art { display: none; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; margin: 0 0 var(--sp-4); padding: 0; font-size: var(--fs-meta); color: var(--on-dark-2); }
.breadcrumb a { color: var(--on-dark-2); } .breadcrumb a:hover { color: var(--on-dark); }
.breadcrumb [aria-current="page"] { color: var(--on-dark); }
.breadcrumb li + li::before { content: "›"; margin-right: 7px; opacity: .6; }
.crumbs--plain { color: var(--muted); } .crumbs--plain a { color: var(--muted); } .crumbs--plain [aria-current="page"] { color: var(--ink-2); }

/* ---------- 卡片 ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-card); box-shadow: var(--shadow-1); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.card--flat { box-shadow: none; }
.hoverable:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: var(--primary-line); }
.card__foot { margin-top: var(--sp-5); padding-top: var(--sp-4); border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* 产品线卡 */
.line-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
a.line-card:hover { text-decoration: none; }
.line-card__art { height: 120px; background: var(--surface-2); border-bottom: 1px solid var(--line); padding: 12px; color: var(--primary); }
.line-card__art svg { width: 100%; height: 100%; }
.line-card__body { padding: var(--sp-5); flex: 1; display: flex; flex-direction: column; }
.line-card h3 { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 16px; }
.line-card h3 i { font-style: normal; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.line-card p { font-size: var(--fs-meta); color: var(--muted); margin: 8px 0 0; }
.line-card .link-arrow { margin-top: auto; padding-top: var(--sp-4); }

/* 产品型号卡 */
.prod-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
a.prod-card:hover { text-decoration: none; }
.prod-card__art { position: relative; height: 160px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.prod-card__art svg.diagram { width: 100%; height: 100%; padding: 10px; }
.prod-card__code { position: absolute; left: 10px; top: 10px; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .06em; color: var(--muted); background: var(--surface); border: 1px solid var(--line); padding: 1px 7px; border-radius: 2px; }
.prod-card__body { padding: var(--sp-5); flex: 1; display: flex; flex-direction: column; }
.prod-card h3 { font-size: 16px; line-height: 1.5; margin-bottom: 6px; }
.prod-card h3 a { color: var(--ink); } .prod-card h3 a:hover { color: var(--primary-text); text-decoration: none; }
.prod-card__spec { list-style: none; margin: var(--sp-4) 0 0; padding: var(--sp-4) 0 0; border-top: 1px dashed var(--line); display: grid; gap: 6px; }
.prod-card__spec li { display: flex; justify-content: space-between; gap: 12px; margin: 0; font-size: var(--fs-meta); }
.prod-card__spec span { color: var(--muted); }
.prod-card__spec b { font-family: var(--font-num); color: var(--ink); }
.prod-card__acts { display: flex; gap: 8px; margin-top: var(--sp-5); }
.prod-card__acts .btn { flex: 1 1 0; }
.prod-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter); }
.prod-grid[data-view="list"] { grid-template-columns: 1fr; }
.prod-grid[data-view="list"] .prod-card { display: grid; grid-template-columns: 210px minmax(0, 1fr) 250px; align-items: center; }
.prod-grid[data-view="list"] .prod-card__art { height: 150px; border-bottom: 0; border-right: 1px solid var(--line); }
.prod-grid[data-view="list"] .prod-card__spec { border-top: 0; border-left: 1px dashed var(--line); margin: 0; padding: 8px 0 8px var(--sp-5); }
.prod-grid[data-view="list"] .prod-card__acts { flex-direction: column; margin: 0; padding-right: var(--sp-5); }

/* 案例卡 */
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter); }
.case-card { padding: 0; overflow: hidden; }
.case-card__scene { position: relative; height: 170px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.case-card__scene svg { width: 100%; height: 100%; }
.case-card__badge { position: absolute; right: 10px; top: 10px; }
.case-card__body { padding: var(--sp-5); }
.case-card h3 { font-size: 16px; line-height: 1.5; margin-bottom: var(--sp-4); }
.case-card h3 a { color: var(--ink); } .case-card h3 a:hover { color: var(--primary-text); text-decoration: none; }
.case-card__meta { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; }
.case-card__meta li { display: flex; gap: 6px; margin: 0; font-size: var(--fs-micro); color: var(--muted); }
.case-card__meta b { color: var(--ink-2); font-family: var(--font-num); }
.case-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur) var(--ease); }
.case-panel > div { overflow: hidden; }
.case-card[data-open="true"] .case-panel { grid-template-rows: 1fr; }
.case-card[data-open="true"] .case-card__toggle svg { transform: rotate(180deg); }
.case-card__toggle svg { width: 12px; height: 12px; transition: transform var(--dur) var(--ease); }
.case-detail { padding-top: var(--sp-5); margin-top: var(--sp-5); border-top: 1px solid var(--line); }
.case-detail h4 { font-size: var(--fs-meta); color: var(--muted); margin-bottom: 10px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: var(--sp-4); }
.compare__col { border: 1px solid var(--line); border-radius: var(--radius-control); padding: var(--sp-4); background: var(--surface-3); }
.compare__col--after { border-color: var(--eco-line); background: var(--eco-weak); }
.compare__col p { font-size: var(--fs-micro); line-height: 1.65; margin: 0; color: var(--ink-2); }
.compare__col b { display: block; font-size: var(--fs-micro); margin-bottom: 6px; }
.kv { list-style: none; margin: 0; padding: 0; font-size: var(--fs-micro); }
.kv li { display: flex; gap: 12px; margin: 0; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.kv li:last-child { border-bottom: 0; }
.kv span { color: var(--muted); flex: 0 0 76px; }
.kv b { color: var(--ink); font-family: var(--font-num); }

/* 优势 / 数据 */
.adv-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-6); }
.adv { text-align: center; }
.adv__ico { width: 64px; height: 64px; margin: 0 auto var(--sp-4); display: grid; place-items: center; background: var(--primary-weak); border: 1px solid var(--primary-line); border-radius: 50%; color: var(--primary); }
.adv__ico svg { width: 28px; height: 28px; }
.adv h3 { font-size: 17px; margin-bottom: 8px; }
.adv p { font-size: var(--fs-meta); color: var(--muted); line-height: 1.7; }
.adv__fact { margin-top: var(--sp-4); font-family: var(--font-num); font-size: var(--fs-h3); font-weight: 700; color: var(--primary); }
.adv__fact small { display: block; font-family: var(--font-ui); font-size: var(--fs-micro); font-weight: 400; color: var(--muted); margin-top: 2px; }
.statbar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-1); }
.statbar__cell { padding: var(--sp-6) var(--sp-5); text-align: center; border-left: 1px solid var(--line); }
.statbar__cell:first-child { border-left: 0; }
.statbar__v { font-family: var(--font-num); font-size: 34px; font-weight: 700; letter-spacing: -.02em; color: var(--primary); line-height: 1.1; }
.statbar__v small { font-size: 15px; color: var(--muted); margin-left: 3px; font-weight: 500; }
.statbar__k { margin: 6px 0 0; font-size: var(--fs-meta); color: var(--muted); }

/* 证书 */
.cert-card { text-align: center; padding: var(--sp-6) var(--sp-5); }
.cert-card__seal { width: 48px; height: 48px; color: var(--primary); margin: 0 auto var(--sp-4); }
.cert-card h3 { font-size: 16px; margin-bottom: 6px; }
.cert-card p { font-size: var(--fs-meta); color: var(--muted); }
.cert-card .chip { margin-top: var(--sp-4); }

/* 流程 */
.stepper { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: var(--sp-4); }
.stepper li { position: relative; padding-top: var(--sp-7); margin: 0; text-align: center; }
.stepper li::before { content: ""; position: absolute; left: 0; right: calc(-1 * var(--sp-4)); top: 15px; height: 1px; background: var(--line-2); }
.stepper li:last-child::before { display: none; }
.stepper__dot { position: absolute; left: 50%; top: 0; transform: translateX(-50%); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--primary-line); color: var(--primary-text); font-family: var(--font-num); font-size: var(--fs-meta); font-weight: 600; }
.stepper li:nth-child(n+6) .stepper__dot { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.stepper h3 { font-size: var(--fs-body); margin-bottom: 4px; }
.stepper p { font-size: var(--fs-micro); color: var(--muted); margin: 0; line-height: 1.55; }
.stepper .free { display: inline-block; margin-top: 6px; font-size: var(--fs-micro); color: var(--eco); background: var(--eco-weak); border: 1px solid var(--eco-line); padding: 1px 7px; border-radius: 2px; }

/* ---------- 表格 ---------- */
.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: auto; }
.table-wrap__hint { display: none; }
table.data { width: 100%; min-width: 620px; font-size: var(--fs-meta); }
table.data caption { text-align: left; padding: var(--sp-4) var(--sp-5); font-size: var(--fs-micro); color: var(--muted); border-bottom: 1px solid var(--line); }
table.data th, table.data td { text-align: left; padding: 11px var(--sp-5); border-bottom: 1px solid var(--line); vertical-align: top; }
table.data tbody tr:last-child th, table.data tbody tr:last-child td { border-bottom: 0; }
table.data thead th { position: sticky; top: 0; background: var(--surface-2); color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--line-2); white-space: nowrap; }
table.data tbody th { font-weight: 500; color: var(--ink-2); width: 30%; background: var(--surface); }
table.data .u { color: var(--muted); font-family: var(--font-mono); font-size: var(--fs-micro); margin-left: 4px; }
table.data tbody tr:hover { background: var(--primary-weak); }
table.data--spec td { font-family: var(--font-num); }
table.data--zebra tbody tr:nth-child(even) th, table.data--zebra tbody tr:nth-child(even) td { background: var(--surface-3); }
.tnote { font-size: var(--fs-micro); color: var(--muted); line-height: 1.6; margin-top: 12px; }
.tnote b { color: var(--warn); }

/* ---------- 筛选 / 工具条 / 分页 ---------- */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; padding-bottom: var(--sp-4); border-bottom: 1px solid var(--line); margin-bottom: var(--sp-5); }
.toolbar__count { font-size: var(--fs-meta); color: var(--muted); margin: 0; }
.toolbar__count b { font-family: var(--font-num); color: var(--ink); }
.toolbar__acts { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.select { position: relative; display: inline-flex; }
.select select { appearance: none; padding: 8px 32px 8px 12px; min-height: 38px; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-control); font-size: var(--fs-meta); }
.select svg { position: absolute; right: 11px; top: 50%; transform: translateY(-50%); width: 11px; height: 11px; color: var(--muted); pointer-events: none; }
.viewtoggle { display: inline-flex; border: 1px solid var(--line-2); border-radius: var(--radius-control); overflow: hidden; }
.viewtoggle button { background: var(--surface); border: 0; padding: 8px 11px; cursor: pointer; color: var(--muted); display: grid; place-items: center; }
.viewtoggle button + button { border-left: 1px solid var(--line-2); }
.viewtoggle button svg { width: 15px; height: 15px; }
.viewtoggle button[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); }
.catalog { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: var(--sp-7); align-items: start; }
.filters { position: sticky; top: 104px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-5); }
.filters__grp { border-bottom: 1px solid var(--line); padding-block: var(--sp-4); }
.filters__grp:first-child { padding-top: 0; }
.filters__grp:last-of-type { border-bottom: 0; padding-bottom: 0; }
.filters__grp > h3 { display: flex; justify-content: space-between; align-items: center; font-size: var(--fs-meta); margin-bottom: 10px; }
.filters__grp > h3 button { background: none; border: 0; cursor: pointer; color: var(--muted); display: grid; place-items: center; padding: 2px; }
.filters__grp > h3 button svg { width: 12px; height: 12px; transition: transform var(--dur) var(--ease); }
.filters__grp[data-collapsed="true"] button svg { transform: rotate(-90deg); }
.filters__grp[data-collapsed="true"] .filters__body { display: none; }
.filters__list { list-style: none; margin: 0; padding: 0; }
.filters__list li { margin: 0; }
.filters__list label, .filters__list a { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: var(--fs-meta); color: var(--ink-2); }
.filters__list a:hover { color: var(--primary-text); text-decoration: none; }
.filters__list [data-active="true"] { color: var(--primary-text); font-weight: 600; }
.filters__list i { font-style: normal; margin-left: auto; font-family: var(--font-num); font-size: var(--fs-micro); color: var(--muted); }
.filters input[type="checkbox"], .filters input[type="radio"] { width: 15px; height: 15px; accent-color: var(--primary); margin: 0; }
.filters__acts { margin-top: var(--sp-5); }
.chips-sel { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--sp-4); }
.chips-sel button { display: inline-flex; align-items: center; gap: 5px; background: var(--primary-weak); color: var(--primary-text); border: 1px solid var(--primary-line); border-radius: 2px; padding: 3px 9px; font-size: var(--fs-micro); cursor: pointer; }
.chips-sel button svg { width: 10px; height: 10px; }
.filters__drawer-btn { display: none; }
.pager { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: var(--sp-7); padding-top: var(--sp-5); border-top: 1px solid var(--line); }
.pager a, .pager button, .pager span { min-width: 38px; height: 38px; padding-inline: 12px; display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-num); font-size: var(--fs-meta); color: var(--ink-2); background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-control); cursor: pointer; text-decoration: none; }
.pager a:hover { border-color: var(--primary); color: var(--primary-text); text-decoration: none; }
.pager [aria-current="page"] { background: var(--primary); border-color: var(--primary); color: var(--on-primary); font-weight: 600; }
.pager [disabled], .pager [aria-disabled="true"] { opacity: .45; cursor: not-allowed; }
.pager__gap { border: 0 !important; background: none !important; cursor: default !important; }
.pager__end { margin-left: auto; border: 0 !important; background: none !important; color: var(--muted); font-family: var(--font-ui); cursor: default; }

/* ---------- 新闻 ---------- */
.news-list { list-style: none; margin: 0; padding: 0; }
.news-item { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: var(--sp-5); padding-block: var(--sp-5); border-bottom: 1px solid var(--line); margin: 0; }
.news-item:first-child { padding-top: 0; }
.news-item__date { text-align: center; border: 1px solid var(--line); border-radius: var(--radius-control); background: var(--surface); padding: 8px 0; align-self: start; }
.news-item__date b { display: block; font-family: var(--font-num); font-size: 22px; font-weight: 700; line-height: 1.1; color: var(--primary); }
.news-item__date span { display: block; font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-top: 2px; }
.news-item h3 { font-size: 17px; line-height: 1.5; margin-bottom: 6px; }
.news-item h3 a { color: var(--ink); } .news-item h3 a:hover { color: var(--primary-text); text-decoration: none; }
.news-item p { font-size: var(--fs-meta); color: var(--ink-2); margin: 0 0 10px; }
.news-item__foot { display: flex; gap: 12px; flex-wrap: wrap; font-size: var(--fs-micro); color: var(--muted); }
.tabs { display: inline-flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: var(--sp-5); flex-wrap: wrap; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; padding: 10px 18px; font-size: var(--fs-body); font-weight: 500; color: var(--muted); cursor: pointer; }
.tabs button:hover { color: var(--primary-text); }
.tabs button[aria-selected="true"] { color: var(--primary-text); border-bottom-color: var(--accent); font-weight: 600; }
.tabs button i { font-style: normal; font-family: var(--font-num); font-size: var(--fs-micro); color: var(--muted); margin-left: 5px; }
.aside { position: sticky; top: 104px; }
.aside-card { padding: var(--sp-5); }
.aside-card + .aside-card { margin-top: var(--sp-5); }
.aside-card > h3 { font-size: 16px; padding-bottom: 12px; margin-bottom: var(--sp-4); border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.rank-list { list-style: none; margin: 0; padding: 0; counter-reset: rk; }
.rank-list li { counter-increment: rk; display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); margin: 0; }
.rank-list li:last-child { border-bottom: 0; }
.rank-list li::before { content: counter(rk, decimal-leading-zero); font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--muted); }
.rank-list a { font-size: var(--fs-meta); line-height: 1.6; color: var(--ink-2); }
.rank-list a:hover { color: var(--primary-text); }

/* ---------- 手风琴 ---------- */
.accordion { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.accordion__item + .accordion__item { border-top: 1px solid var(--line); }
.accordion__btn { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: var(--sp-4); padding: var(--sp-5); background: none; border: 0; text-align: left; cursor: pointer; font-size: var(--fs-body); font-weight: 600; color: var(--ink); }
.accordion__btn:hover { background: var(--surface-3); color: var(--primary-text); }
.accordion__btn svg { width: 14px; height: 14px; color: var(--primary); transition: transform var(--dur) var(--ease); flex: 0 0 auto; }
.accordion__btn[aria-expanded="true"] svg { transform: rotate(45deg); }
.accordion__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur) var(--ease); }
.accordion__panel > div { overflow: hidden; }
.accordion__btn[aria-expanded="true"] + .accordion__panel { grid-template-rows: 1fr; }
.accordion__inner { padding: 0 var(--sp-5) var(--sp-5); font-size: var(--fs-meta); color: var(--ink-2); line-height: 1.8; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
.field { display: block; }
.field--full { grid-column: 1 / -1; }
.field > label, .field-label { display: block; font-size: var(--fs-meta); font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field > label .req { color: var(--danger-text); margin-left: 3px; }
.control { width: 100%; padding: 11px 14px; min-height: 44px; background: var(--surface); color: var(--ink); border: 1px solid var(--line-2); border-radius: var(--radius-control); font-size: var(--fs-body); transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.control::placeholder { color: var(--placeholder-ink); }
.control:hover { border-color: var(--line-2); }
.control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--focus); }
textarea.control { min-height: 104px; resize: vertical; }
.help { display: block; font-size: var(--fs-micro); color: var(--muted); margin-top: 5px; }
.err { display: none; font-size: var(--fs-micro); color: var(--danger-text); margin-top: 5px; }
.field[data-invalid="true"] .control { border-color: var(--danger); background: var(--danger-weak); }
.field[data-invalid="true"] .err { display: block; }
.field[data-invalid="true"] .help { display: none; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: var(--fs-meta); color: var(--ink-2); line-height: 1.6; }
.check input { width: 16px; height: 16px; margin: 3px 0 0; accent-color: var(--primary); flex: 0 0 auto; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5); flex-wrap: wrap; margin-top: var(--sp-5); padding-top: var(--sp-5); border-top: 1px solid var(--line); }
.form-note { font-size: var(--fs-micro); color: var(--muted); max-width: 44ch; margin: 0; }
.form-alert { display: none; align-items: flex-start; gap: 12px; padding: var(--sp-4); border-radius: var(--radius); border: 1px solid var(--line); font-size: var(--fs-meta); line-height: 1.65; margin-bottom: var(--sp-4); }
.form-alert svg { width: 16px; height: 16px; flex: 0 0 auto; margin-top: 2px; }
.form-alert[data-show="true"] { display: flex; }
.form-alert--ok { background: var(--eco-weak); border-color: var(--eco-line); color: var(--eco); }
.form-alert--err { background: var(--danger-weak); border-color: var(--err-line); color: var(--danger-text); }
.form-alert--warn { background: var(--warn-weak); border-color: var(--accent-line); color: var(--warn); }
.form-alert b { display: block; margin-bottom: 2px; }

/* 询盘带 */
.inquiry { background: linear-gradient(150deg, var(--primary-deep), var(--primary) 75%); color: var(--on-dark); position: relative; overflow: hidden; }
.inquiry::before { content: ""; position: absolute; inset: 0; opacity: .4; background-image: repeating-linear-gradient(to right, var(--on-dark-line) 0 1px, transparent 1px 72px); -webkit-mask-image: linear-gradient(to left, rgba(255,255,255,.8), transparent 60%); mask-image: linear-gradient(to left, rgba(255,255,255,.8), transparent 60%); }
.inquiry__in { position: relative; display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: var(--sp-8); align-items: center; padding-block: var(--sp-8); }
.inquiry h2 { color: var(--on-dark); margin-bottom: var(--sp-4); }
.inquiry p { color: var(--on-dark-2); }
.inquiry__promise { list-style: none; margin: var(--sp-5) 0 0; padding: 0; display: grid; gap: 8px; }
.inquiry__promise li { display: flex; align-items: center; gap: 10px; margin: 0; font-size: var(--fs-meta); color: var(--on-dark); }
.inquiry__promise svg { width: 15px; height: 15px; opacity: .85; }
.inquiry__form { background: var(--surface); color: var(--ink); border-radius: 6px; padding: var(--sp-6); box-shadow: var(--shadow-2); }
.inquiry__form > h3 { margin-bottom: 6px; }
.inquiry__form > .meta { margin-bottom: var(--sp-5); }

/* ---------- 联系卡 / 承诺 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); }
.contact-card { padding: var(--sp-5); text-align: center; }
.contact-card__ico { width: 40px; height: 40px; color: var(--primary); margin: 0 auto var(--sp-4); }
.contact-card h3 { font-size: var(--fs-meta); color: var(--muted); margin-bottom: 6px; }
.contact-card a, .contact-card p { font-size: var(--fs-body); font-family: var(--font-num); color: var(--ink); margin: 0; word-break: break-all; }
.contact-card a:hover { color: var(--primary-text); }
.contact-card--wide { grid-column: span 2; }
.qr-card { display: flex; gap: var(--sp-5); align-items: center; padding: var(--sp-5); }
.qr-card__img { width: 104px; height: 104px; flex: 0 0 auto; border: 1px solid var(--line); border-radius: var(--radius-control); background: var(--surface); padding: 6px; color: var(--ink); }
.qr-card__img svg { width: 100%; height: 100%; }
.promise-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); }
.promise-list li { margin: 0; padding: var(--sp-5); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-align: center; }
.promise-list svg { width: 28px; height: 28px; color: var(--primary); margin-bottom: var(--sp-4); }
.promise-list h3 { font-size: 16px; margin-bottom: 6px; }
.promise-list p { font-size: var(--fs-meta); color: var(--muted); margin: 0; }

/* ---------- 正文 / 详情 ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--sp-7); align-items: start; }
.prose { max-width: 100% !important; width: 100% !important; font-size: var(--fs-body); line-height: 1.9; color: var(--ink-2); }
.prose > * + * { margin-top: var(--sp-5); }
.prose h2 { font-size: var(--fs-h2); color: var(--ink); margin-top: var(--sp-7); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: var(--sp-6); color: var(--ink); }
.prose p { margin: 0; }
.prose li { line-height: 1.85; }
.prose blockquote { margin: 0; padding: var(--sp-5); background: var(--primary-weak); border: 1px solid var(--primary-line); border-radius: var(--radius); font-size: var(--fs-meta); color: var(--primary-text); line-height: 1.8; }
.prose blockquote p { margin: 0; }
.prose blockquote cite { display: block; font-style: normal; font-size: var(--fs-micro); color: var(--muted); margin-top: 10px; }
.prose figure { margin: var(--sp-6) 0; }
.prose figcaption { font-size: var(--fs-micro); color: var(--muted); margin-top: 10px; text-align: center; }
.prose .drop-note { font-size: var(--fs-meta); color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); border-left: 3px solid var(--primary); padding: var(--sp-4); border-radius: 0 var(--radius) var(--radius) 0; }
.article-head { margin-bottom: var(--sp-6); padding-bottom: var(--sp-5); border-bottom: 1px solid var(--line); }
.article-head h1 { font-size: 28px; line-height: 1.35; margin-bottom: var(--sp-4); }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: var(--fs-micro); color: var(--muted); }
.article-meta b { color: var(--ink-2); }
.toc { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc li { margin: 0; }
.toc a { display: block; padding: 7px 16px; font-size: var(--fs-meta); color: var(--muted); border-left: 2px solid transparent; margin-left: -1px; }
.toc a:hover { color: var(--primary-text); text-decoration: none; }
.toc a[data-active="true"] { color: var(--primary-text); border-left-color: var(--accent); font-weight: 600; }
.pn { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin-top: var(--sp-7); padding-top: var(--sp-5); border-top: 1px solid var(--line); }
.pn__item { padding: var(--sp-4) var(--sp-5); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.pn__item span { display: block; font-size: var(--fs-micro); color: var(--muted); margin-bottom: 4px; }
.pn__item a, .pn__item strong { font-size: var(--fs-meta); color: var(--ink); line-height: 1.55; }
.pn__item--next { text-align: right; }
.pn__item[aria-disabled="true"] { opacity: .55; }

/* 详情页主图 */
.gallery__stage { position: relative; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-5); }
.gallery__stage > svg { display: block; width: 100%; height: auto; }
.gallery__view { display: none; }
.gallery__view[data-active="true"] { display: block; }
.gallery__label { position: absolute; left: var(--sp-5); bottom: var(--sp-4); font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.gallery__thumbs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.gallery__thumbs button { display: flex; flex-direction: column; gap: 5px; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-control); padding: 6px; cursor: pointer; }
.gallery__thumbs button span { font-size: 11px; color: var(--muted); text-align: left; }
.gallery__thumbs button[aria-selected="true"] { border-color: var(--primary); background: var(--primary-weak); }
.gallery__thumbs button[aria-selected="true"] span { color: var(--primary-text); font-weight: 600; }
.gallery__thumbs svg { width: 100%; height: 46px; }
.buybox h1 { font-size: 26px; line-height: 1.35; margin-bottom: 6px; }
.buybox__en { font-family: var(--font-mono); font-size: var(--fs-meta); letter-spacing: .08em; color: var(--muted); text-transform: uppercase; margin-bottom: var(--sp-5); }
.buybox__hero-spec { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-block: var(--sp-5); }
.buybox__hero-spec div { background: var(--surface); padding: var(--sp-4); }
.buybox__hero-spec span { display: block; font-size: var(--fs-micro); color: var(--muted); margin-bottom: 4px; }
.buybox__hero-spec b { font-family: var(--font-num); font-size: var(--fs-h3); font-weight: 700; }
.buybox__hero-spec b i { font-style: normal; font-size: var(--fs-micro); color: var(--muted); margin-left: 3px; font-weight: 400; }
.definition { list-style: none; margin: var(--sp-5) 0 0; padding: var(--sp-5) 0 0; border-top: 1px solid var(--line); display: grid; gap: 12px; }
.definition li { margin: 0; display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 12px; font-size: var(--fs-meta); line-height: 1.65; }
.definition span:first-child { color: var(--muted); }

/* 提示条 / 空态 / 骨架 */
.banner-note { display: flex; align-items: flex-start; gap: 12px; padding: var(--sp-4) var(--sp-5); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-3); font-size: var(--fs-meta); color: var(--ink-2); line-height: 1.65; }
.banner-note svg { width: 16px; height: 16px; flex: 0 0 auto; margin-top: 2px; color: var(--primary); }
.banner-note--warn { background: var(--warn-weak); border-color: var(--accent-line); }
.banner-note--warn svg { color: var(--warn); }
.callout { padding: var(--sp-6); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-1); }
.callout__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-5); }
.callout__grid > div { padding-left: var(--sp-5); border-left: 1px solid var(--line); }
.callout__grid > div:first-child { padding-left: 0; border-left: 0; }
.callout__grid b { display: block; margin-bottom: 5px; }
.callout__grid p { font-size: var(--fs-meta); color: var(--muted); margin: 0; }
.empty { text-align: center; padding: var(--sp-8) var(--sp-5); border: 1px dashed var(--line-2); border-radius: var(--radius); background: var(--surface); }
.empty__ico { width: 56px; height: 56px; color: var(--muted); margin: 0 auto var(--sp-4); }
.empty h3 { margin-bottom: 10px; }
.empty p { font-size: var(--fs-meta); color: var(--muted); max-width: 42ch; margin-inline: auto; }
.skeleton { border-radius: var(--radius); background: var(--surface-2); position: relative; overflow: hidden; }
.is-loading .prod-grid { opacity: .55; }

/* ---------- 技术图 ---------- */
.diagram { display: block; width: 100%; height: auto; color: var(--ink); }
.diagram text { font-family: var(--font-ui); font-size: 10px; fill: var(--muted); }
.diagram text.n { font-family: var(--font-num); font-size: 11px; fill: var(--ink-2); }
.diagram text.cap { font-family: var(--font-mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; fill: var(--muted); }
.dl { fill: none; stroke: var(--line-2); stroke-width: 1.5; stroke-linejoin: round; }
.dl-2 { fill: none; stroke: var(--muted); stroke-width: 1; }
.dl-p { fill: none; stroke: var(--primary); stroke-width: 1.5; }
.dl-a { fill: none; stroke: var(--eco); stroke-width: 1.5; }
.fl { fill: var(--surface); stroke: var(--line-2); stroke-width: 1.5; }
.fl-2 { fill: var(--surface-3); }
.fl-p { fill: var(--primary-weak); stroke: var(--primary-line); stroke-width: 1.5; }
.fl-a { fill: var(--eco-weak); stroke: var(--eco-line); stroke-width: 1.5; }
.hatch { fill: none; stroke: var(--line); stroke-width: 1; }
.tag-dot { fill: var(--primary); }
.tag-dot-a { fill: var(--eco); }
.leader { fill: none; stroke: var(--muted); stroke-width: .8; stroke-dasharray: 2 2; }
.flow { fill: none; stroke: var(--eco); stroke-width: 1.6; stroke-dasharray: 5 7; animation: flow 2.6s linear infinite; }
.flow--p { stroke: var(--primary); animation-duration: 3.2s; }
@keyframes flow { to { stroke-dashoffset: -24; } }
.dust { fill: var(--muted); animation: rise 3.4s ease-in-out infinite; }
@keyframes rise { 0% { opacity: .15; transform: translateY(4px); } 50% { opacity: .7; } 100% { opacity: .15; transform: translateY(-6px); } }
.annot:hover .dl, .annot:hover .fl { stroke: var(--primary); }
.annot:hover text { fill: var(--primary-text); }

/* ---------- 右侧常驻栏 / 悬浮按钮 ---------- */
.rail { position: fixed; right: 16px; top: 50%; transform: translateY(-50%); z-index: 40; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-2); }
.rail__item { display: grid; place-items: center; gap: 3px; width: 62px; padding: 14px 4px; background: var(--surface); color: var(--ink-2); font-size: 11px; text-align: center; cursor: pointer; border: 0; }
.rail__item:hover { background: var(--primary); color: var(--on-primary); text-decoration: none; }
.rail__item svg { width: 19px; height: 19px; }
.rail__item[data-tip] { position: relative; }
.rail__item[data-tip]:hover::after { content: attr(data-tip); position: absolute; right: calc(100% + 8px); top: 50%; transform: translateY(-50%); background: var(--ink); color: var(--on-dark); font-size: var(--fs-micro); padding: 5px 10px; border-radius: 3px; white-space: nowrap; }
.rail-fab { display: none; position: fixed; right: 16px; bottom: 16px; z-index: 45; width: 52px; height: 52px; border-radius: 50%; place-items: center; background: var(--accent); color: var(--on-primary); border: 0; box-shadow: var(--shadow-2); cursor: pointer; }
.rail-fab svg { width: 22px; height: 22px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--primary-deep); color: var(--on-dark-2); font-size: var(--fs-meta); }
.footer a { color: var(--on-dark-2); } .footer a:hover { color: var(--on-dark); }
.footer__main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr; gap: var(--sp-7); padding-block: var(--sp-8) var(--sp-7); }
.footer h3 { color: var(--on-dark); font-size: 16px; margin-bottom: var(--sp-4); }
.footer__brand svg { width: 42px; height: 42px; color: var(--on-dark); margin-bottom: var(--sp-4); }
.footer__brand b { display: block; color: var(--on-dark); font-size: 16px; margin-bottom: 4px; }
.footer__brand span { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .12em; text-transform: uppercase; color: var(--footer-dim); }
.footer__brand p { margin: var(--sp-4) 0 0; line-height: 1.8; max-width: 34ch; }
.footer__list { list-style: none; margin: 0; padding: 0; }
.footer__list li { margin: 0; padding: 5px 0; }
.footer__tel { display: block; font-family: var(--font-num); font-size: 26px; font-weight: 700; color: var(--on-dark); margin-bottom: 6px; }
.footer__tel:hover { color: var(--on-dark); text-decoration: none; }
.footer__qr { display: flex; gap: var(--sp-4); margin-top: var(--sp-4); }
.footer__qr > div { flex: 1; }
.footer__qr svg { width: 100%; max-width: 92px; height: auto; background: var(--on-dark); padding: 5px; border-radius: 3px; }
.footer__qr p { font-size: var(--fs-micro); margin: 5px 0 0; }
.footer__bar { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5); flex-wrap: wrap; padding-block: var(--sp-5); border-top: 1px solid var(--on-dark-line); font-size: var(--fs-micro); color: var(--footer-bar); }
.footer__bar a { color: var(--footer-link); } .footer__bar a:hover { color: var(--on-dark); }
.footer__legal { display: flex; gap: var(--sp-5); flex-wrap: wrap; align-items: center; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .nav__burger { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-left: auto; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-control); cursor: pointer; color: var(--ink); }
  .nav__burger svg { width: 18px; height: 18px; }
  .masthead__cta { display: none; }
  .hero__in { grid-template-columns: 1fr; gap: var(--sp-7); padding-block: var(--sp-8); }
  .hero__art { max-width: 520px; }
  .split, .catalog, .inquiry__in { grid-template-columns: minmax(0, 1fr); gap: var(--sp-7); }
  .filters { position: static; }
  .filters[data-mode="drawer"] { display: none; }
  .filters[data-mode="drawer"][data-open="true"] { display: block; }
  .filters__drawer-btn { display: inline-flex; }
  .aside { position: static; }
  .adv-grid, .contact-grid, .promise-list, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g3, .prod-grid, .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .statbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .statbar__cell:nth-child(3) { border-left: 0; }
  .statbar__cell:nth-child(n+3) { border-top: 1px solid var(--line); }
  .footer__main { grid-template-columns: 1fr 1fr; }
  .rail { display: none; }
  .rail-fab { display: grid; }
  .topbar__mail, .topbar__id span { display: none; }
  .stepper { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-6) var(--sp-4); }
}
@media (max-width: 760px) {
  :root { --pad-x: 16px; --space-section: 56px; --gutter: 16px; --fs-display: 30px; --fs-h1: 24px; --fs-h2: 21px; --space-card: 18px; }
  body { font-size: calc(14px * var(--type-scale)); }
  .hero h1 { font-size: 30px; }
  .hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-5) var(--sp-4); }
  .prod-grid, .case-grid, .g2, .g3, .g4, .contact-grid, .promise-list, .compare, .callout__grid, .form-grid, .pn, .adv-grid { grid-template-columns: minmax(0, 1fr); }
  .callout__grid > div { padding-left: 0; border-left: 0; padding-top: var(--sp-4); border-top: 1px solid var(--line); }
  .callout__grid > div:first-child { padding-top: 0; border-top: 0; }
  .stepper { grid-template-columns: 1fr; gap: 0; }
  .stepper li { padding: var(--sp-4) 0 var(--sp-4) 44px; text-align: left; border-bottom: 1px solid var(--line); }
  .stepper li::before { display: none; }
  .stepper__dot { left: 0; transform: none; top: var(--sp-4); }
  .statbar { grid-template-columns: 1fr 1fr; }
  .statbar__cell { border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
  .statbar__cell:nth-child(odd) { border-left: 0; }
  .statbar__cell:nth-child(-n+2) { border-top: 0; }
  .news-item { grid-template-columns: 56px minmax(0, 1fr); gap: var(--sp-4); }
  .prod-grid[data-view="list"] .prod-card { grid-template-columns: minmax(0, 1fr); }
  .prod-grid[data-view="list"] .prod-card__art { border-right: 0; border-bottom: 1px solid var(--line); }
  .prod-grid[data-view="list"] .prod-card__spec { border-left: 0; border-top: 1px dashed var(--line); padding: var(--sp-4) 0 0; margin-top: 0; }
  .prod-grid[data-view="list"] .prod-card__acts { padding-right: 0; }
  .table-wrap table.data { min-width: 560px; }
  .table-wrap__hint { display: flex; align-items: center; gap: 6px; font-size: var(--fs-micro); color: var(--muted); padding: 7px var(--sp-4); border-bottom: 1px solid var(--line); background: var(--surface-2); }
  .table-wrap__hint svg { width: 12px; height: 12px; }
  .inquiry__form { padding: var(--sp-5); }
  .footer__main { grid-template-columns: 1fr; gap: var(--sp-6); padding-block: var(--sp-7); }
  .buybox__hero-spec { grid-template-columns: 1fr; }
  .contact-card--wide { grid-column: auto; }
  .pager__end { display: none; }
  .btn { width: 100%; }
  .toolbar__acts .btn, .prod-card__acts .btn { width: auto; }
}

/* ---------- 动效偏好 / 打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .hoverable:hover { transform: none; }
  .case-panel, .accordion__panel { transition: none; }
}
@media print {
  .masthead, .topbar, .rail, .rail-fab, .drawer, .inquiry { display: none !important; }
  body { background: var(--seed-surface); }
  .section { padding-block: 18px; }
}

/* ---------- 内页兼容层（内页沿用的类名，统一走现有令牌） ---------- */
.section--surface { background: var(--surface); }
.section--inset { background: var(--surface-2); }
.section--dense { padding-block: calc(var(--space-section) * .66); }
.section--airy { padding-block: calc(var(--space-section) * 1.2); }
.section-head { margin-bottom: var(--sp-7); max-width: 76ch; }
.section-head--split { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-6); max-width: none; margin-bottom: var(--sp-6); }
.section-head h2 { margin-bottom: var(--sp-3); }
.section-head .rule { display: block; width: 44px; height: 3px; background: var(--accent); border-radius: 2px; margin-bottom: var(--sp-5); }
.section-head p, .section-head .lead { color: var(--muted); }
.eyebrow--zh { font-family: var(--font-ui); text-transform: none; letter-spacing: .02em; }
.container--narrow { max-width: 960px; }
.adv:not(:has(.adv__ico)) { text-align: left; }
.adv:not(:has(.adv__ico))::before { content: ""; display: block; width: 40px; height: 2px; background: var(--accent); margin-bottom: var(--sp-5); }
.adv__idx { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .1em; color: var(--muted); display: block; margin-bottom: 10px; }
.adv__en { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.line-card > h3, .line-card > p, .line-card > .chip-row, .line-card > .link-arrow { padding-inline: var(--sp-5); }
.line-card > p { padding-bottom: 4px; }
.line-card > .link-arrow { padding-bottom: var(--sp-5); }
.line-card > .line-card__art { margin-bottom: var(--sp-4); }
.btn--tel { background: var(--surface); color: var(--primary-text); border-color: var(--line-2); }
.btn--tel:hover { background: var(--primary-weak); color: var(--primary-hover); }
.stat-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); }
.stat-strip .statbar__cell { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.stat-strip__cell { padding: var(--sp-6) var(--sp-5); text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.qr-wrap { position: relative; }
.qr-wrap__btn { display: inline-flex; align-items: center; gap: 6px; background: none; border: 1px solid var(--on-dark-line); color: var(--on-dark-2); font-size: var(--fs-micro); padding: 3px 10px; border-radius: var(--radius-control); cursor: pointer; }
.qr-wrap__btn:hover { color: var(--on-dark); }
.qr-pop { position: absolute; right: 0; top: calc(100% + 10px); z-index: 60; width: 220px; padding: var(--sp-4); background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-2); display: none; text-align: center; }
.qr-pop[data-open="true"] { display: block; }
.qr-pop__row { display: flex; gap: var(--sp-4); }
.qr-pop__cell { flex: 1; min-width: 0; }
.qr-pop__cell p { font-size: var(--fs-micro); color: var(--muted); margin: 6px 0 0; }
.qr-pop svg { display: block; width: 100%; height: auto; }
.fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-4); margin: 0; }
.fieldset legend { font-size: var(--fs-meta); font-weight: 600; padding-inline: 8px; color: var(--ink-2); }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-row label { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-meta); padding: 7px 12px; border: 1px solid var(--line-2); border-radius: var(--radius-control); cursor: pointer; }
.radio-row input { accent-color: var(--primary); margin: 0; }
.hero__art figcaption span { color: var(--on-dark-2); }
.text-c { text-align: center; }

/* ---------- v3 高级感升级 + 响应式补全 ---------- */
body { overflow-x: clip; }
.hero { position: relative; overflow: hidden; min-height: min(760px, 94vh); display: flex; align-items: center; background: var(--hero-abyss, #04182E); color: var(--on-dark); }
.hero__slides { position: absolute; inset: 0; overflow: hidden; z-index: 1; }
.hero__slide { position: absolute; inset: 0; background-position: center center; background-size: cover; background-repeat: no-repeat; opacity: 0; transform: scale(1.05); transition: opacity 1.2s cubic-bezier(.4, 0, .2, 1), transform 6.5s ease-out; pointer-events: none; will-change: opacity, transform; }
.hero__slide.is-active { opacity: 1; transform: scale(1); z-index: 1; }
.hero__overlay { position: absolute; inset: 0; z-index: 2; pointer-events: none; background: radial-gradient(1100px 560px at 82% -12%, rgba(38, 102, 190, .42), transparent 62%), radial-gradient(820px 460px at 4% 112%, rgba(8, 44, 92, .60), transparent 60%), linear-gradient(168deg, rgba(4, 24, 46, 0.88) 0%, rgba(9, 62, 130, 0.74) 48%, rgba(4, 24, 46, 0.88) 100%); }
.hero::before { z-index: 3; }
.hero__ghost, .hero__ring { z-index: 3; }
.hero__in { position: relative; z-index: 4; padding-block: 96px 84px; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 56px; }

/* 轮播控制条 */
.hero__controls { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 10px; z-index: 5; padding: 6px 14px; background: rgba(4, 24, 46, 0.65); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 30px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35); }
.hero__arrow { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 50%; color: #fff; cursor: pointer; padding: 0; transition: all .25s ease; }
.hero__arrow:hover { background: var(--accent); border-color: var(--accent); transform: scale(1.08); }
.hero__dots { display: inline-flex; align-items: center; gap: 6px; }
.hero__dot { position: relative; display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 14px; background: rgba(255, 255, 255, 0.12); border: 1px solid transparent; color: rgba(255, 255, 255, 0.78); font-size: 12px; font-family: var(--font-mono, monospace); letter-spacing: .02em; cursor: pointer; transition: all .3s ease; }
.hero__dot:hover { background: rgba(255, 255, 255, 0.22); color: #fff; }
.hero__dot.is-active { background: rgba(232, 137, 28, 0.25); border-color: var(--accent); color: #FFC46B; font-weight: 600; box-shadow: 0 0 12px rgba(232, 137, 28, 0.4); }
.hero__dot-fill { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: rgba(255, 255, 255, 0.5); transition: all .3s ease; }
.hero__dot.is-active .hero__dot-fill { background: var(--accent); box-shadow: 0 0 8px var(--accent); transform: scale(1.3); }
@media (max-width: 640px) { .hero__dot-title { display: none; } .hero__dot { padding: 4px 8px; } .hero__controls { bottom: 12px; } }
.hero__kicker { display: flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--hero-glow); margin: 0 0 22px; }
.hero__kicker::before { content: ""; width: 44px; height: 1px; background: var(--hero-glow); }
.hero h1 { font-size: clamp(34px, 4.6vw, 60px); line-height: 1.1; letter-spacing: -.03em; font-weight: 700; }
.hero h1 em { color: var(--hero-glow); }
.hero__lead { font-size: clamp(15px, 1.25vw, 17px); }
.hero__art { border-color: rgba(255, 255, 255, .16); background: rgba(255, 255, 255, .05); }
.hero__art::before, .hero__art::after { content: ""; position: absolute; width: 18px; height: 18px; border: 0 solid var(--hero-glow); }
.hero__art::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.hero__art::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.hero__stats { grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(255, 255, 255, .16); margin-top: 56px; padding-top: 36px; }
.hero__stat { padding: 0 16px; border-left: 1px solid rgba(255, 255, 255, .16); }
.hero__stat:first-child { padding-left: 0; border-left: 0; }
.hero__stat dt { font-size: clamp(26px, 2.4vw, 38px); white-space: nowrap; display: inline-flex; align-items: baseline; }
.hero__stat dt sup { color: var(--hero-glow); font-size: 15px; margin-left: 2px; }
.trustbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.trustbar__in { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; padding-block: 18px; }
.trustbar__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.trustbar__list { display: flex; flex-wrap: wrap; gap: 10px 26px; list-style: none; margin: 0; padding: 0; }
.trustbar__list li { margin: 0; font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
.trustbar__list li::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 1px; transform: rotate(45deg); flex: 0 0 auto; }
.section--dark { background: linear-gradient(160deg, var(--primary-deep) 0%, var(--hero-abyss) 100%); color: var(--on-dark-2); }
.section--dark .sec-head .eyebrow { color: var(--hero-glow); }
.section--dark .sec-head h2 { color: var(--on-dark); }
.section--dark .sec-head p { color: var(--on-dark-2); }
.section--dark .sec-head__rule { background: var(--hero-glow); }
.section--dark .statbar { background: transparent; border: 0; box-shadow: none; margin-bottom: var(--sp-7); }
.section--dark .statbar__cell { border-left: 1px solid rgba(255, 255, 255, .16); border-top: 0; padding-block: 8px; }
.section--dark .statbar__cell:first-child { border-left: 0; }
.section--dark .statbar__v { color: var(--on-dark); }
.section--dark .statbar__v small { color: var(--hero-glow); }
.section--dark .statbar__k { color: var(--on-dark-2); }
.section--dark .adv__ico { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .18); color: var(--hero-glow); }
.section--dark .adv h3 { color: var(--on-dark); }
.section--dark .adv p { color: var(--on-dark-2); }
.section--dark .adv__fact { color: var(--hero-glow); }
.section--dark .adv__fact small { color: var(--on-dark-2); }

@media (max-width: 1200px) { .container { padding-inline: 20px; } }
@media (max-width: 960px) {
  .hero { min-height: auto; }
  .hero__in { grid-template-columns: 1fr; gap: 44px; padding-block: 72px 60px; }
  .hero h1 { font-size: clamp(30px, 6.4vw, 46px); }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 24px 0; margin-top: 44px; padding-top: 28px; }
  .hero__stat { padding: 0 20px; }
  .hero__stat:nth-child(odd) { padding-left: 0; border-left: 0; }
  .hero__art::before, .hero__art::after { display: none; }
  .mega { max-width: calc(100vw - 32px); }
  .mega__grid { grid-template-columns: 1fr; }
  .stepper { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .stepper li { padding: 0 0 0 46px; text-align: left; }
  .stepper li::before { display: none; }
  .stepper__dot { left: 0; transform: none; top: 2px; }
  .callout__grid { grid-template-columns: 1fr; gap: 20px; }
  .callout__grid > div { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 20px; }
  .callout__grid > div:first-child { border-top: 0; padding-top: 0; }
  .prod-grid[data-view="list"] .prod-card { grid-template-columns: 1fr; }
  .prod-grid[data-view="list"] .prod-card__art { border-right: 0; border-bottom: 1px solid var(--line); height: 170px; }
  .prod-grid[data-view="list"] .prod-card__spec { border-left: 0; border-top: 1px dashed var(--line); padding: 16px 0 0; margin-top: 0; }
  .prod-grid[data-view="list"] .prod-card__acts { flex-direction: row; padding-right: 0; }
}
@media (max-width: 640px) {
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .hero__stat { padding: 0 14px; }
  .trustbar__in { gap: 12px; }
  .g2, .g3, .g4, .prod-grid, .case-grid, .adv-grid, .contact-grid, .promise-list, .statbar, .stat-strip { grid-template-columns: 1fr; }
  .statbar__cell { border-left: 0; border-top: 1px solid var(--line); }
  .statbar__cell:first-child { border-top: 0; }
  .section--dark .statbar__cell { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .16); }
  .section--dark .statbar__cell:first-child { border-top: 0; }
  .page-banner__art { display: none; }
  .btn--lg { width: 100%; }
  .news-item { grid-template-columns: 52px 1fr; gap: 14px; }
  .qr-card { flex-direction: column; align-items: flex-start; }
  .pn { grid-template-columns: 1fr; }
  .pn__item--next { text-align: left; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__main { grid-template-columns: 1fr; }
  .stepper { grid-template-columns: 1fr; }
  .tabs button { padding: 8px 12px; font-size: 14px; }
  .case-card__meta { grid-template-columns: 1fr; }
}

/* ---------- v4 首屏高级感 ---------- */
.hero { position: relative; }
.hero__ghost { position: absolute; right: -2%; top: 6%; font-family: var(--font-num); font-weight: 800; font-size: clamp(120px, 20vw, 300px); line-height: 1; letter-spacing: -.04em; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .07); pointer-events: none; user-select: none; }
.hero__ring { position: absolute; left: -160px; bottom: -200px; width: 540px; height: 540px; border: 1px solid rgba(255, 255, 255, .08); border-radius: 50%; pointer-events: none; }
.hero__ring::after { content: ""; position: absolute; inset: 64px; border: 1px dashed rgba(255, 255, 255, .10); border-radius: 50%; }
.hero__sub-en { font-family: var(--font-mono); font-size: 11px; letter-spacing: .34em; text-transform: uppercase; color: rgba(255, 255, 255, .55); margin: 20px 0 0; }
.hero__note { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--on-dark-2); margin: 16px 0 0; }
.hero__note::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--eco); box-shadow: 0 0 0 4px rgba(18, 145, 90, .22); flex: 0 0 auto; }
.hero h1 { text-wrap: balance; }
.hero__art-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid rgba(255, 255, 255, .14); font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em; color: rgba(255, 255, 255, .6); text-transform: uppercase; }
.hero__art-head i { font-style: normal; display: flex; align-items: center; gap: 6px; color: var(--eco); }
.hero__art-head i::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--eco); animation: heroPulse 2s infinite; }
@keyframes heroPulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.hero__float { position: absolute; z-index: 2; display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: rgba(6, 20, 36, .78); border: 1px solid rgba(255, 255, 255, .18); border-radius: 4px; font-size: 12px; color: var(--on-dark); box-shadow: 0 12px 30px rgba(0, 0, 0, .35); }
.hero__float--a { top: -16px; right: 22px; }
.hero__float--b { bottom: -16px; left: 22px; }
.hero__float b { color: var(--hero-glow); font-family: var(--font-num); }
.hero__float svg { width: 14px; height: 14px; color: var(--eco); flex: 0 0 auto; }
.hero__scroll { position: absolute; right: 48px; left: auto; bottom: 20px; transform: none; display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255, 255, 255, .5); font-family: var(--font-mono); font-size: 10px; letter-spacing: .24em; text-transform: uppercase; text-decoration: none; z-index: 5; }
.hero__scroll:hover { color: rgba(255, 255, 255, .8); text-decoration: none; }
.hero__scroll::after { content: ""; width: 1px; height: 34px; background: linear-gradient(to bottom, rgba(255, 255, 255, .5), transparent); animation: heroDrop 2.2s infinite; }
@keyframes heroDrop { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 100% { transform: scaleY(0); transform-origin: bottom; } }
@media (max-width: 960px) {
  .hero__ghost { font-size: clamp(90px, 26vw, 180px); top: 2%; }
  .hero__scroll { display: none; }
  .hero__float--a { top: -12px; right: 12px; }
  .hero__float--b { bottom: -12px; left: 12px; }
}
@media (max-width: 640px) {
  .hero__ghost, .hero__ring { display: none; }
  .hero__float { position: static; margin: 10px 8px 0 0; display: inline-flex; box-shadow: none; }
  .hero__art-head { letter-spacing: .12em; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__art-head i::before, .hero__scroll::after { animation: none; }
}

/* ---------- v5 尺度放大：大气 = 大 ---------- */
:root {
  --container: 1360px;
  --pad-x: 32px;
  --gutter: 32px;
  --space-card: 32px;
  --space-section: calc(96px * var(--type-scale));
  --fs-display: clamp(40px, 5.4vw, 76px);
  --fs-h1: clamp(30px, 3vw, 40px);
  --fs-h2: clamp(26px, 2.4vw, 34px);
  --fs-h3: calc(20px * var(--type-scale));
  --fs-body: calc(16px * var(--type-scale));
  --fs-lead: calc(18px * var(--type-scale));
  --fs-meta: calc(14px * var(--type-scale));
  --fs-micro: calc(13px * var(--type-scale));
}
.topbar { font-size: var(--fs-meta); }
.topbar__in { min-height: 42px; }
.masthead__in { min-height: 88px; }
.brand__mark { width: 48px; height: 48px; }
.brand__cn { font-size: 19px; }
.brand__en { font-size: 12px; }
.nav__link { padding: 12px 18px; font-size: 16px; }
.nav__link[aria-current="page"]::after { left: 18px; right: 18px; bottom: -22px; }
.mega__item { padding: 12px; }
.mega__item svg { width: 40px; height: 40px; }
.btn { min-height: 52px; padding: 14px 32px; font-size: 16px; }
.btn--lg { min-height: 60px; padding: 18px 44px; font-size: 18px; }
.btn--sm { min-height: 42px; padding: 10px 20px; font-size: var(--fs-meta); }
.chip { font-size: var(--fs-micro); padding: 4px 12px; }
.chip--lg { padding: 8px 16px; font-size: var(--fs-meta); }
.hero { min-height: min(860px, 100vh); }
.hero__in { padding-block: 120px 100px; gap: 64px; }
.hero__kicker { font-size: 13px; letter-spacing: .26em; margin-bottom: 26px; }
.hero__kicker::before { width: 56px; }
.hero h1 { font-size: clamp(40px, 5.6vw, 84px); line-height: 1.08; }
.hero__sub-en { font-size: 12px; letter-spacing: .38em; margin-top: 24px; }
.hero__lead { font-size: clamp(16px, 1.35vw, 19px); line-height: 1.8; }
.hero__note { font-size: 14px; margin-top: 18px; }
.hero__stats { margin-top: 64px; padding-top: 40px; }
.hero__stat { padding: 0 18px; }
.hero__stat dt { font-size: clamp(28px, 2.6vw, 42px); white-space: nowrap; display: inline-flex; align-items: baseline; }
.hero__stat dt sup { font-size: 16px; margin-left: 2px; }
.hero__stat dd { font-size: var(--fs-meta); margin-top: 6px; }
.hero__art { padding: 28px; }
.hero__art-head { font-size: 11px; margin-bottom: 18px; padding-bottom: 12px; }
.hero__float { padding: 12px 18px; font-size: 13px; }
.trustbar__in { padding-block: 22px; gap: 28px; }
.trustbar__label { font-size: 12px; }
.trustbar__list { gap: 12px 34px; }
.trustbar__list li { font-size: 15px; }
.sec-head { margin-bottom: var(--sp-8); }
.sec-head .eyebrow { font-size: var(--fs-micro); letter-spacing: .16em; }
.sec-head p { font-size: 15px; }
.sec-head__rule { width: 56px; height: 4px; }
.section-head { margin-bottom: var(--sp-8); }
.card { padding: var(--space-card); }
.line-card__art { height: 170px; }
.line-card h3 { font-size: 18px; }
.line-card p { font-size: var(--fs-meta); }
.prod-card__art { height: 220px; }
.prod-card h3 { font-size: 18px; }
.prod-card__spec li { font-size: var(--fs-meta); }
.case-card__scene { height: 240px; }
.case-card h3 { font-size: 18px; }
.case-card__meta li { font-size: var(--fs-micro); }
.adv__ico { width: 84px; height: 84px; margin-bottom: 20px; }
.adv__ico svg { width: 36px; height: 36px; }
.adv h3 { font-size: 20px; }
.adv p { font-size: 15px; }
.adv__fact { font-size: 26px; }
.statbar__cell { padding: 40px 32px; }
.statbar__v { font-size: clamp(34px, 3vw, 48px); }
.statbar__v small { font-size: 17px; }
.statbar__k { font-size: var(--fs-meta); margin-top: 8px; }
.cert-card__seal { width: 64px; height: 64px; }
.cert-card h3 { font-size: 18px; }
.cert-card p { font-size: var(--fs-meta); }
.stepper__dot { width: 36px; height: 36px; font-size: var(--fs-meta); }
.stepper li { padding-top: var(--sp-8); }
.stepper li::before { top: 18px; }
.stepper h3 { font-size: 17px; }
.stepper p { font-size: var(--fs-micro); }
.news-item { padding-block: 28px; gap: 28px; grid-template-columns: 84px minmax(0, 1fr); }
.news-item__date b { font-size: 26px; }
.news-item__date { padding: 10px 0; }
.news-item h3 { font-size: 20px; }
.news-item p { font-size: 15px; }
.tabs button { padding: 12px 22px; font-size: 16px; }
.aside-card { padding: 28px; }
.aside-card > h3 { font-size: 18px; }
.rank-list a { font-size: 15px; }
.page-banner { padding-block: 88px; }
.page-banner h1 { font-size: clamp(30px, 3vw, 42px); }
.page-banner p { font-size: 15px; }
.page-banner__art { width: 180px; height: 110px; }
.filters { padding: 28px; }
.filters__list label, .filters__list a { font-size: 15px; padding: 7px 0; }
.toolbar { padding-bottom: 20px; margin-bottom: 28px; }
.toolbar__count { font-size: 15px; }
.select select { min-height: 44px; font-size: var(--fs-meta); }
table.data { font-size: 15px; }
table.data th, table.data td { padding: 14px 24px; }
table.data caption { padding: 16px 24px; }
.accordion__btn { padding: 24px 28px; font-size: 17px; }
.accordion__inner { padding: 0 28px 24px; font-size: 15px; }
.prose { font-size: 17px; line-height: 1.95; }
.article-head h1 { font-size: 32px; }
.article-meta { font-size: var(--fs-micro); }
.gallery__stage { padding: 32px; }
.gallery__thumbs svg { height: 56px; }
.buybox h1 { font-size: 30px; }
.buybox__hero-spec b { font-size: 24px; }
.definition li { font-size: 15px; }
.contact-card { padding: 32px 24px; }
.contact-card__ico { width: 48px; height: 48px; }
.contact-card a, .contact-card p { font-size: 17px; }
.qr-card { padding: 32px; }
.qr-card__img { width: 120px; height: 120px; }
.promise-list li { padding: 32px 24px; }
.promise-list svg { width: 34px; height: 34px; }
.promise-list h3 { font-size: 18px; }
.callout { padding: 40px; }
.callout__grid b { font-size: 17px; }
.callout__grid p { font-size: 15px; }
.banner-note { padding: 20px 24px; font-size: 15px; }
.empty { padding: 96px 40px; }
.empty h3 { font-size: 22px; }
.control { min-height: 50px; padding: 13px 16px; font-size: 16px; }
textarea.control { min-height: 120px; }
.field > label, .field-label { font-size: 15px; }
.check { font-size: 15px; }
.form-foot { margin-top: 28px; padding-top: 24px; }
.inquiry__in { padding-block: 96px; gap: 72px; }
.inquiry__form { padding: 40px; border-radius: 8px; }
.inquiry__form > h3 { font-size: 22px; }
.inquiry h2 { font-size: clamp(26px, 2.4vw, 34px); }
.inquiry__promise li { font-size: 15px; }
.footer { font-size: 15px; }
.footer__main { padding-block: 96px 80px; gap: 56px; }
.footer h3 { font-size: 18px; margin-bottom: 20px; }
.footer__brand svg { width: 48px; height: 48px; }
.footer__brand b { font-size: 18px; }
.footer__tel { font-size: 32px; }
.footer__qr svg { max-width: 104px; }
.footer__bar { padding-block: 24px; font-size: var(--fs-micro); }
.rail__item { width: 68px; padding: 16px 4px; font-size: 12px; }
.rail__item svg { width: 21px; height: 21px; }
.rail-fab { width: 56px; height: 56px; }
.pn__item { padding: 20px 24px; }
.pn__item a, .pn__item strong { font-size: 15px; }
.toc a { font-size: 15px; padding: 8px 18px; }
@media (max-width: 1200px) { .container { padding-inline: 24px; } }
@media (max-width: 960px) {
  .hero { min-height: auto; }
  .hero__in { padding-block: 80px 64px; gap: 48px; }
  .hero h1 { font-size: clamp(34px, 7vw, 52px); }
  .hero__stats { margin-top: 48px; padding-top: 32px; }
  .hero__stat { padding: 0 24px; }
  .masthead__in { min-height: 76px; }
  .nav__link { font-size: 15px; }
  .section--dark .statbar__cell, .statbar__cell { padding: 28px 20px; }
}
@media (max-width: 640px) {
  :root { --pad-x: 18px; --gutter: 18px; --space-card: 22px; --space-section: calc(64px * var(--type-scale)); }
  body { font-size: calc(15px * var(--type-scale)); }
  .hero h1 { font-size: clamp(32px, 9vw, 44px); }
  .hero__in { padding-block: 64px 52px; }
  .hero__stat { padding: 0 16px; }
  .btn { min-height: 48px; padding: 12px 24px; font-size: 15px; }
  .btn--lg { min-height: 54px; padding: 15px 28px; font-size: 16px; }
  .masthead__in { min-height: 68px; }
  .brand__mark { width: 40px; height: 40px; }
  .brand__cn { font-size: 16px; }
  .case-card__scene { height: 200px; }
  .prod-card__art { height: 190px; }
  .line-card__art { height: 140px; }
  .news-item { grid-template-columns: 64px minmax(0, 1fr); gap: 16px; }
  .news-item h3 { font-size: 17px; }
  .statbar__cell { padding: 24px 16px; }
  .footer__main { padding-block: 64px 48px; gap: 40px; }
  .inquiry__in { padding-block: 64px; }
  .inquiry__form { padding: 26px; }
  .page-banner { padding-block: 64px; }
  .accordion__btn { padding: 18px 20px; font-size: 16px; }
  .control { min-height: 46px; font-size: 15px; }
}

/* ---------- v6 窄屏修正（置于最后，优先级最高） ---------- */
@media (max-width: 960px) {
  .stepper { grid-template-columns: repeat(2, 1fr); gap: 28px 24px; }
  .stepper li { padding: 0 0 0 52px; text-align: left; border-bottom: 1px solid var(--line); padding-bottom: 24px; }
  .stepper li:last-child { border-bottom: 0; padding-bottom: 0; }
  .stepper li::before { display: none; }
  .stepper__dot { left: 0; transform: none; top: 2px; }
  .stepper h3 { margin-bottom: 4px; }
}
@media (max-width: 640px) {
  .stepper { grid-template-columns: 1fr; gap: 0; }
  .stepper li { padding: 22px 0 22px 52px; }
  .stepper li:last-child { padding-bottom: 22px; }
  .stepper__dot { top: 24px; }
}

/* ---------- v7 窄屏优化 ---------- */
@media (max-width: 960px) {
  .table-wrap__hint { display: flex; align-items: center; gap: 6px; font-size: var(--fs-micro); color: var(--muted); padding: 7px var(--sp-4); border-bottom: 1px solid var(--line); background: var(--surface-2); }
  .table-wrap__hint svg { width: 12px; height: 12px; }
  .hero__ring { display: none; }
}

/* ---------- v8 微修 ---------- */
@media (max-width: 640px) {
  .hero__art-head { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ---------- v9 动效层（仅在 html.anim 时生效，尊重 reduced-motion） ---------- */
.anim [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(var(--rd, 0) * 80ms); }
.anim [data-reveal].is-in { opacity: 1; transform: none; }
.anim .sec-head__rule { transform: scaleX(0); transition: transform .6s .2s var(--ease); }
.anim [data-reveal].is-in .sec-head__rule, .anim .sec-head.is-in .sec-head__rule { transform: scaleX(1); }
@keyframes heroUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@keyframes heroGrow { from { opacity: 0; transform: translateY(34px) scale(.985); } to { opacity: 1; transform: none; } }
.anim .hero__kicker { animation: heroUp .7s var(--ease) both; }
.anim .hero h1 { animation: heroUp .85s .09s var(--ease) both; }
.anim .hero__sub-en { animation: heroUp .8s .2s var(--ease) both; }
.anim .hero__lead { animation: heroUp .8s .27s var(--ease) both; }
.anim .hero__promise { animation: heroUp .8s .34s var(--ease) both; }
.anim .hero .btn-row { animation: heroUp .8s .41s var(--ease) both; }
.anim .hero__note { animation: heroUp .8s .48s var(--ease) both; }
.anim .hero__stats { animation: heroUp .9s .54s var(--ease) both; }
.anim .hero__art { animation: heroGrow 1s .18s var(--ease) both; }
.anim .hero__float { animation: heroUp .8s .8s var(--ease) both; }
.nav__link:not([aria-current="page"])::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: -22px; height: 2px; background: var(--accent); border-radius: 2px 2px 0 0; transform: scaleX(0); transition: transform .25s var(--ease); }
.nav__link:not([aria-current="page"]):hover::after { transform: scaleX(1); }
.masthead[data-compact="true"] { box-shadow: 0 8px 22px rgba(18, 32, 46, .10); }
.btn { transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(18, 32, 46, .16); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.case-card__scene svg, .prod-card__art svg.diagram, .line-card__art svg { transition: transform .55s var(--ease); }
.case-card:hover .case-card__scene svg, .prod-card:hover .prod-card__art svg.diagram, .line-card:hover .line-card__art svg { transform: scale(1.05); }
.trustbar__track { display: flex; align-items: center; gap: 34px; flex: 1 1 auto; min-width: 0; overflow: hidden; -webkit-mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent); }
.trustbar__track .trustbar__list { flex: 0 0 auto; }
@keyframes marq { to { transform: translateX(calc(-100% - 34px)); } }
.anim .trustbar__track .trustbar__list.is-marquee { animation: marq 30s linear infinite; }
.trustbar__track:hover .trustbar__list { animation-play-state: paused; }
.stepper li { transition: opacity .5s var(--ease), transform .5s var(--ease); }
@media (prefers-reduced-motion: reduce) {
  .anim [data-reveal] { opacity: 1; transform: none; transition: none; }
  .anim .sec-head__rule { transform: none; transition: none; }
  .anim .hero * , .anim .trustbar__track .trustbar__list.is-marquee { animation: none !important; }
  .btn:hover { transform: none; box-shadow: none; }
  .case-card:hover .case-card__scene svg, .prod-card:hover .prod-card__art svg.diagram, .line-card:hover .line-card__art svg { transform: none; }
}

/* ==========================================================================
   详情页排版升级增强 (产品详情 / 案例详情 / 新闻详情)
   ========================================================================== */

/* 强制详情页内容容器 100% 满宽展开，彻底消除 70ch 宽度限制 */
.prose, .prose .prose, .prose > .prose, article.prose, .article-body, .prose-full {
  max-width: 100% !important;
  width: 100% !important;
  box-sizing: border-box;
}
.prose .lead-box,
.prose .param-grid,
.prose table.data,
.prose .feature-grid,
.prose .flow-steps,
.prose .compare-box,
.prose .proj-meta-bar,
.prose .callout-box {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
}

/* 正文标题与导读样式优化 */
.prose h2 { font-size: 21px; color: var(--ink); margin-top: 36px; margin-bottom: 18px; padding-left: 14px; border-left: 4px solid var(--primary); font-weight: 700; line-height: 1.3; }
.prose h3 { margin-top: 26px; margin-bottom: 12px; font-size: 17px; color: var(--ink); font-weight: 600; padding-left: 10px; border-left: 3px solid var(--accent); }
.lead-box { background: linear-gradient(135deg, var(--surface-3), var(--primary-weak)); border-left: 4px solid var(--primary); padding: 18px 22px; border-radius: 0 var(--radius) var(--radius) 0; margin-bottom: 28px; font-size: 15px; line-height: 1.8; color: var(--ink-2); width: 100% !important; box-sizing: border-box; }

/* 工业级技术参数数据表 */
table.data { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); margin-block: 18px; font-size: 14px; }
table.data thead th { background: #EDF3FA; color: var(--ink); font-weight: 700; border-bottom: 2px solid var(--primary-line); padding: 12px 18px; text-align: left; }
table.data tbody th, table.data tbody td { padding: 12px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
table.data tbody tr:nth-child(even) th, table.data tbody tr:nth-child(even) td { background: #FAFBFD; }
table.data tbody tr:hover th, table.data tbody tr:hover td { background: #F0F6FD; }
table.data tbody tr:last-child th, table.data tbody tr:last-child td { border-bottom: 0; }
.badge-eco { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 3px; background: var(--eco-weak); color: var(--eco); font-weight: 600; font-size: 12px; border: 1px solid var(--eco-line); }

/* 核心参数指标卡片网格 (4列) */
.param-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-block: 22px; }
@media (max-width: 900px) { .param-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .param-grid { grid-template-columns: 1fr; } }
.param-card { background: var(--surface-3); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; text-align: left; transition: border-color var(--dur), box-shadow var(--dur); }
.param-card:hover { border-color: var(--primary-line); box-shadow: var(--shadow-1); }
.param-card__label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.param-card__val { font-family: var(--font-num); font-size: 22px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.param-card__val small { font-size: 13px; font-weight: normal; color: var(--muted); margin-left: 4px; }
.param-card__note { font-size: 12px; color: var(--eco); margin-top: 6px; font-weight: 500; }

/* 4大技术与结构优势卡片 (2x2网格) */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-block: 22px; }
@media (max-width: 768px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: flex; gap: 16px; align-items: flex-start; transition: transform var(--dur), box-shadow var(--dur), border-color var(--dur); }
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: var(--primary-line); }
.feature-card__icon { width: 44px; height: 44px; border-radius: 8px; background: var(--primary-weak); color: var(--primary); display: grid; place-items: center; flex: 0 0 auto; }
.feature-card__icon svg { width: 22px; height: 22px; }
.feature-card__body h4 { font-size: 16px; margin: 0 0 6px; color: var(--ink); font-weight: 600; }
.feature-card__body p { font-size: 13.5px; color: var(--ink-2); line-height: 1.7; margin: 0; }

/* 4步交付实施流程 */
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-block: 22px; }
@media (max-width: 900px) { .flow-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .flow-steps { grid-template-columns: 1fr; } }
.flow-step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 16px; position: relative; text-align: center; }
.flow-step__num { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; font-family: var(--font-num); font-weight: 700; font-size: 15px; display: grid; place-items: center; margin: 0 auto 10px; }
.flow-step h4 { font-size: 15px; margin: 0 0 6px; color: var(--ink); }
.flow-step p { font-size: 12.5px; color: var(--muted); margin: 0; line-height: 1.6; }

/* 治理前后对比卡片 (左右分栏) */
.compare-box { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-block: 22px; }
@media (max-width: 768px) { .compare-box { grid-template-columns: 1fr; } }
.compare-pane { border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; background: var(--surface); }
.compare-pane--before { border-color: #E2B9B9; }
.compare-pane--before .compare-pane__head { background: #FDF2F2; color: var(--danger); border-bottom: 1px solid #E2B9B9; font-weight: 700; }
.compare-pane--after { border-color: var(--eco-line); }
.compare-pane--after .compare-pane__head { background: var(--eco-weak); color: var(--eco); border-bottom: 1px solid var(--eco-line); font-weight: 700; }
.compare-pane__head { padding: 12px 18px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.compare-pane__body { padding: 18px; font-size: 14px; line-height: 1.8; color: var(--ink-2); }
.compare-pane__body ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; }

/* 案例概况仪表盘 (6项指标) */
.proj-meta-bar { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; background: var(--surface-3); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 26px; }
@media (max-width: 992px) { .proj-meta-bar { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 580px) { .proj-meta-bar { grid-template-columns: repeat(2, 1fr); } }
.proj-meta-item span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.proj-meta-item strong { display: block; font-size: 14px; color: var(--ink); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.proj-meta-item strong.highlight { color: var(--primary); font-family: var(--font-num); }
.proj-meta-item strong.eco { color: var(--eco); }

/* 赛铭重点提示框与工程师寄语 */
.callout-box { background: #F6FAFE; border: 1px solid var(--primary-line); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 18px 22px; margin-block: 22px; display: flex; gap: 14px; align-items: flex-start; }
.callout-box svg { width: 22px; height: 22px; color: var(--accent); flex: 0 0 auto; margin-top: 2px; }
.callout-box__content h5 { font-size: 15px; margin: 0 0 4px; color: var(--ink); }
.callout-box__content p { font-size: 13.5px; margin: 0; color: var(--ink-2); line-height: 1.7; }



/* ==========================================================================
   江苏赛铭智能环保 · 现代高端工业风分页组件 (Modern Industrial Pagination)
   ========================================================================== */
.pagination {
  display: flex !important;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px !important;
  margin: 48px auto 24px !important;
  padding: 0 !important;
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 14px;
  line-height: 1;
  user-select: none;
}

/* 消除 PbootCMS 多层 span 嵌套干扰 */
.pagination span {
  display: inline-flex !important;
  align-items: center;
  border: none !important;
  background: transparent !important;
  padding: 0 !important;
  margin: 0 !important;
  box-shadow: none !important;
}

.pagination .page-numbar {
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
}

/* 状态统计徽章（如：共14条 当前1/2页） */
.pagination .page-status {
  display: inline-flex !important;
  align-items: center;
  height: 38px;
  padding: 0 14px;
  margin-right: 8px !important;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted, #6C7B8A);
  background: var(--surface-2, #EDF1F6);
  border: 1px solid var(--line, #DCE3EB);
  border-radius: var(--seed-radius, 4px);
  letter-spacing: 0.3px;
}

/* 按钮通用交互规范 (首页/上页/页码/下页/尾页) */
.pagination a {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2, #3C4B5B);
  background: #FFFFFF;
  border: 1px solid var(--line, #DCE3EB);
  border-radius: var(--seed-radius, 4px);
  text-decoration: none !important;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(18, 32, 46, 0.04);
}

/* 悬停微动效 (Hover) */
.pagination a:hover {
  color: var(--primary, #0B4EA2) !important;
  background: var(--primary-weak, #EAF1FA) !important;
  border-color: var(--primary, #0B4EA2) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(11, 78, 162, 0.12);
}

/* 当前高亮激活页码 (Active Current Page) */
.pagination a.page-num-current,
.pagination a.page-num-current:hover {
  color: #FFFFFF !important;
  background: var(--primary, #0B4EA2) !important;
  border-color: var(--primary, #0B4EA2) !important;
  font-weight: 600;
  cursor: default;
  transform: none !important;
  box-shadow: 0 3px 10px rgba(11, 78, 162, 0.26);
}

/* 禁用状态（当前无上一页/无下一页，即 href='javascript:;'） */
.pagination a[href='javascript:;'],
.pagination a[href='javascript:;']:hover {
  color: #9AA7B4 !important;
  background: #F8FAFC !important;
  border-color: #E2E8F0 !important;
  cursor: not-allowed;
  opacity: 0.6;
  transform: none !important;
  box-shadow: none !important;
}

/* 响应式移动端体验优化 */
@media (max-width: 768px) {
  .pagination {
    gap: 6px !important;
    margin: 36px auto 16px !important;
  }
  .pagination .page-status {
    width: 100%;
    justify-content: center;
    margin-right: 0 !important;
    margin-bottom: 8px !important;
  }
  .pagination a {
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    font-size: 13px;
  }
}