/* ==========================================================================
   SINOBLU 官网样式 — 依据 DESIGN_SYSTEM.md v2.0（正式 VI）
   色彩：标准蓝 #002C77 / 靛青蓝 #0072DA / 简白 #F6F7F6；白/浅灰为主体
   Primary 按钮 = 靛青蓝 #0072DA（正式 VI）；标准蓝用于标题/Footer/深色 CTA
   ========================================================================== */

:root {
  --navy-900: #001B49;
  --navy-800: #002461;
  --navy-700: #002C77;
  --navy-600: #164F96;
  --blue-500: #0072DA;
  --blue-400: #009DEA;
  --blue-300: #69B9ED;
  --blue-100: #E5F2FC;
  --brand-teal: #00BFB8;
  --brand-purple: #6750AA;
  --brand-red: #E40032;
  --brand-gray: #989AA5;
  --brand-white: #F6F7F6;
  --ink-900: #16233A;
  --ink-600: #4A5A72;
  --ink-400: #8296AD;
  --line: #E3E9F0;
  --line-strong: #B9C6D6;
  --bg-white: #FFFFFF;
  --bg-gray: #F6F7F6;
  --bg-steel: #E8EEF5;
  --success: #1E9E6A;
  --warning: #D97E0F;
  --error: #E40032;
  --radius-s: 2px;
  --radius-m: 4px;
  --shadow-1: 0 1px 3px rgba(10, 26, 51, .05);
  --shadow-2: 0 16px 40px rgba(1, 45, 116, .10);
  --font-sans: "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 16px;
  --text-md: 17px;
  --text-lg: 18px;
  --text-xl: 20px;
  --heading-3: 18px;
  --heading-2: 30px;
  --heading-1: 40px;
  --heading-1-size: 40px;
  --heading-1-weight: 700;
  --heading-1-line-height: 1.2;
  --heading-2-size: 30px;
  --heading-2-weight: 600;
  --heading-2-line-height: 1.25;
  --heading-3-size: 18px;
  --heading-3-weight: 600;
  --heading-3-line-height: 1.35;
  --display-sm: 42px;
  --display-md: 54px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-18: 72px;
  --container: 1280px;
  --section-space-lg: 72px;
  --section-space-md: 52px;
  --card-gap: 22px;
  --container-gutter: var(--space-5);
  --section-space: 72px;
  --section-space-tight: 56px;
  --page-hero-space: 52px;
  --section-head-gap: var(--space-6);
  --section-head-margin: var(--space-8);
  --card-padding: var(--space-6);
  --card-border: 1px solid var(--line);
  --card-radius: var(--radius-m);
  --card-grid-gap: var(--space-4);
  --card-compact-padding: 16px;
  --card-compact-gap: 12px;
  --card-title-size: 18px;
  --card-title-weight: 600;
  --card-body-size: 14px;
  --card-body-line-height: 1.65;
  --card-hover-offset: -2px;
  --button-height: 46px;
  --button-height-lg: 48px;
  --button-height-compact: 36px;
  --button-height-small: 34px;
  --button-padding-x: 26px;
  --button-padding-x-lg: 28px;
  --button-padding-x-compact: 14px;
  --button-font-size: 16px;
  --button-font-size-compact: 13px;
  --button-font-size-small: 12px;
  --button-weight: 600;
  --button-radius: var(--radius-s);
  --eyebrow-size: var(--text-sm);
  --eyebrow-weight: var(--font-weight-semibold);
  --eyebrow-line-height: 1.4;
  --eyebrow-spacing: .06em;
  --eyebrow-color: var(--blue-500);
  --eyebrow-gap: var(--space-2);
  --body-size: 16px;
  --body-weight: 400;
  --body-line-height: 1.7;
  --body-color: var(--ink-600);
  --body-small-size: 14px;
  --body-small-line-height: 1.65;
  --body-meta-size: 13px;
  --body-meta-line-height: 1.5;
  --body-muted-color: var(--ink-400);
}

/* About: scoped editorial layout; images and content remain CMS driven. */
.sb-about .sb-page-hero { background: var(--brand-white); padding: var(--section-space-tight) 0; border-bottom: 1px solid var(--line); }
.sb-about .sb-page-hero h1 { max-width: 940px; font-size: clamp(32px, 4vw, 48px); line-height: 1.25; }
.sb-about .sb-split { align-items: center; gap: var(--section-head-gap); }
.sb-about .sb-split__copy h2 { font-size: clamp(24px, 2.5vw, 32px); line-height: 1.4; overflow-wrap: anywhere; }
.sb-about .sb-split__copy > p:not(.sb-eyebrow) { font-size: var(--body-size); line-height: var(--body-line-height); margin-top: var(--space-5); max-width: 38em; }
.sb-about .sb-split__media { gap: 16px; grid-template-columns: 1fr; }
.sb-about .sb-split__media .sb-media { aspect-ratio: 4 / 3; border-radius: var(--card-radius); }
.sb-about__philosophy { margin: 28px 0 0; padding: 20px 24px; border-left: 3px solid var(--blue-500); background: var(--brand-white); color: var(--navy-700); font-size: 17px; line-height: 1.8; }
.sb-about__figures { margin-top: calc(var(--section-space-tight) / -2); margin-bottom: calc(var(--section-space-tight) / 2); padding: var(--space-6) var(--space-8); background: var(--bg-gray); border: 1px solid var(--line); border-radius: var(--card-radius); }
.sb-about__figures .sb-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; }
.sb-about__figures .sb-stats li { padding: 0 var(--space-6); border-left: 1px solid var(--line); }
.sb-about__figures .sb-stats li:first-child { padding-left: 0; border-left: 0; }
.sb-about__figures .sb-stats strong { font-size: clamp(28px, 3vw, 40px); font-weight: 600; }
.sb-about__figures .sb-stats span { font-size: 14px; margin-top: 8px; color: var(--ink-600); }
.sb-about .sb-scope { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.sb-about .sb-scope li { min-width: 0; }
.sb-about .sb-scope a { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 100%; padding: 22px 24px; font-size: 16px; line-height: 1.5; background: #fff; border: 1px solid var(--line); }
.sb-about .sb-scope a::after { content: '\2192'; flex-shrink: 0; color: var(--blue-500); }
.sb-about .sb-scope a:hover { border-color: var(--blue-500); }
.sb-about .sb-partners li { padding: 24px; min-height: 104px; }
.sb-about .sb-partners img { filter: none; opacity: 1; }
.sb-about__contact { padding: var(--section-space-tight) 0; border-top: 1px solid var(--line); background: #fff; }
.sb-about__contact-inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.sb-about__contact-inner strong { font-size: 26px; line-height: 1.4; color: var(--navy-700); }
.sb-about__contact-inner p { margin-top: 10px; max-width: 720px; }
.sb-about__contact-inner .sb-btn { flex-shrink: 0; }
@media (min-width: 1024px) {
  .sb-about .sb-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
  .sb-about .sb-about__text-only { grid-template-columns: 1fr; }
  .sb-about__text-only .sb-split__copy { max-width: 860px; }
}
@media (max-width: 767px) {
  .sb-about .sb-page-hero { padding: 36px 0; }
  .sb-about .sb-split { gap: var(--space-8); }
  .sb-about__figures { margin-top: calc(var(--section-space-tight) / -3); margin-bottom: calc(var(--section-space-tight) / 3); padding: var(--space-5); }
  .sb-about__figures .sb-stats { grid-template-columns: 1fr; gap: var(--space-5); }
  .sb-about__figures .sb-stats li, .sb-about__figures .sb-stats li:first-child { padding: 0; border-left: 0; }
  .sb-about .sb-scope { grid-template-columns: 1fr; }
  .sb-about .sb-scope a { padding: 18px 20px; }
  .sb-about__contact-inner { flex-direction: column; align-items: stretch; gap: 24px; }
  .sb-about__figures .sb-stats { grid-template-columns: 1fr; gap: 20px; margin-top: 32px; }
  .sb-about__philosophy { padding: 16px 20px; }
}

/* Keep Contact workspace sections inside the shared two-column canvas. */
.sb-contact-workspace > .sb-contact-main,
.sb-contact-workspace > .sb-contact-secondary { padding: 0 !important; }

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--body-size);
  font-weight: var(--body-weight);
  line-height: var(--body-line-height);
  color: var(--body-color);
  background: var(--bg-white);
  overflow-x: clip;
}
img { max-width: 100%; display: block; }
.sb-visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
h1, h2, h3, h4 { margin: 0; color: var(--navy-700); line-height: var(--line-height-tight); font-weight: var(--font-weight-semibold); }
h1 { font-size: var(--heading-1-size); font-weight: var(--heading-1-weight); line-height: var(--heading-1-line-height); letter-spacing: -.02em; }
h2 { font-size: var(--heading-2-size); font-weight: var(--heading-2-weight); line-height: var(--heading-2-line-height); letter-spacing: -.01em; }
h3 { font-size: var(--heading-3-size); font-weight: var(--heading-3-weight); line-height: var(--heading-3-line-height); }
p { margin: 0; font-size: var(--body-size); font-weight: var(--body-weight); line-height: var(--body-line-height); color: var(--body-color); }
ul { margin: 0; padding: 0; list-style: none; }
a { color: var(--blue-500); text-decoration: none; }
a:hover { color: var(--navy-700); }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--blue-400); outline-offset: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy-700); color: #fff; padding: 10px 18px; border-radius: 0 0 var(--radius-s) 0;
}
.skip-link:focus { left: 0; color: #fff; }

.sb-container { max-width: var(--container); margin: 0 auto; padding: 0 var(--container-gutter); }

/* ---------- Buttons ---------- */
.sb-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--button-height); padding: 10px var(--button-padding-x);
  font-size: var(--button-font-size); font-weight: var(--button-weight); letter-spacing: 0;
  border-radius: var(--button-radius); border: 1.5px solid transparent;
  transition: background-color .16s ease-out, border-color .16s ease-out, color .16s ease-out;
  white-space: nowrap;
}
.sb-btn--lg { min-height: var(--button-height-lg); padding: 11px var(--button-padding-x-lg); font-size: var(--button-font-size); }
.sb-btn--primary { background: var(--blue-500); color: #fff; }
.sb-btn--primary:hover { background: var(--navy-700); color: #fff; }
.sb-btn--brand { background: var(--navy-700); color: #fff; }
.sb-btn--brand:hover { background: var(--navy-600); color: #fff; }
.sb-btn--outline { border-color: var(--navy-700); color: var(--navy-700); background: transparent; }
.sb-btn--outline:hover { background: var(--navy-700); color: #fff; }
.sb-btn--white { background: #fff; color: var(--navy-700); }
.sb-btn--white:hover { background: var(--blue-100); color: var(--navy-700); }

.sb-link-arrow { font-size: var(--text-sm); font-weight: var(--font-weight-medium); color: var(--blue-500); white-space: nowrap; }
.sb-link-arrow:hover { color: var(--navy-700); }

/* ---------- Eyebrow / Section ---------- */
.sb-eyebrow {
  font-size: var(--eyebrow-size); font-weight: var(--eyebrow-weight); line-height: var(--eyebrow-line-height);
  letter-spacing: var(--eyebrow-spacing); text-transform: none;
  color: var(--eyebrow-color); margin-bottom: var(--eyebrow-gap);
}
.sb-section { padding: var(--section-space) 0; }
.sb-section--gray { background: var(--bg-gray); }
.sb-section--tight { padding: var(--section-space-tight) 0; }
.sb-section__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--section-head-gap); margin-bottom: var(--section-head-margin);
}
.sb-section__head h2 { font-size: var(--heading-2-size); font-weight: var(--heading-2-weight); line-height: var(--heading-2-line-height); }
.sb-section__more { margin-top: 32px; }
.sb-grid-label {
  font-size: var(--heading-3); font-weight: var(--font-weight-semibold); letter-spacing: 0; text-transform: none;
  color: var(--ink-400); margin: 28px 0 12px;
}
.sb-cat-grid + .sb-grid-label { margin-top: 32px; }

/* 产品中心：单一产品发现区，支持搜索与分类筛选。无 JS 时完整列表照常展示。 */
.sb-product-tools {
  margin: 0 0 36px; padding: 20px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}
.sb-product-search { display: block; max-width: 620px; }
.sb-product-search__label { display: block; margin-bottom: 8px; font-size: var(--text-sm); font-weight: var(--font-weight-semibold); color: var(--ink-600); }
.sb-product-search__field { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 14px; border: 1px solid var(--line-strong); background: #fff; }
.sb-product-search__field > span { flex: 0 0 auto; color: var(--blue-500); font-size: 22px; line-height: 1; transform: translateY(-1px); }
.sb-product-search__field input { min-width: 0; width: 100%; padding: 11px 0; border: 0; outline: 0; background: transparent; color: var(--ink-900); font: inherit; font-size: 15px; }
.sb-product-search__field:focus-within { border-color: var(--blue-500); box-shadow: 0 0 0 3px var(--blue-100); }
.sb-product-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.sb-product-filters button { min-height: 36px; padding: 7px 14px; border: 1px solid var(--line); background: var(--bg-gray); color: var(--ink-600); font-size: var(--text-sm); font-weight: var(--font-weight-medium); }
.sb-product-filters button:hover { border-color: var(--blue-400); color: var(--navy-700); }
.sb-product-filters button.is-active { border-color: var(--navy-700); background: var(--navy-700); color: #fff; }
.sb-product-count { margin-top: 14px; font-size: var(--text-sm); color: var(--ink-400); }
.sb-product-group[hidden], .sb-card[hidden] { display: none; }
.sb-product-empty { padding: 48px 24px; text-align: center; border: 1px dashed var(--line-strong); background: #fff; }
.sb-product-empty strong { display: block; color: var(--navy-700); font-size: var(--text-lg); }
.sb-product-empty p { margin: 8px 0 20px; font-size: var(--text-sm); }

/* 分类入口保留独立落地页，但压缩为目录式卡片，避免抢占产品检索的首屏空间。 */
.sb-cat-grid--compact .sb-anchor-card .sb-card { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: stretch; }
.sb-category-card__icon {
  position: relative; display: grid; place-items: center; width: 112px; aspect-ratio: 1; align-self: center;
  overflow: hidden; border-right: 1px solid #C8D8E9; color: var(--navy-700);
  background-color: #F1F6FB;
  background-image: linear-gradient(rgba(0,44,119,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(0,44,119,.045) 1px, transparent 1px);
  background-size: 16px 16px;
}
.sb-category-card__icon::after { content: ""; position: absolute; inset: 9px; border: 1px solid rgba(0,114,218,.18); pointer-events: none; }
.sb-category-card__icon svg { position: relative; z-index: 1; width: 68px; height: 68px; transition: color .16s ease-out, transform .16s ease-out; }
.sb-category-card__image { position: relative; z-index: 1; width: 100%; height: 100%; padding: 10px; object-fit: contain; background: rgba(255,255,255,.82); transition: transform .16s ease-out; }
/* 产品中心目录卡片使用更饱满的缩略图，首页分类卡保持独立视觉。 */
.sb-cat-grid--page .sb-category-card__image { padding: 2px; transform: scale(1.08); transform-origin: center; }
.sb-category-card:hover .sb-category-card__icon { color: var(--blue-500); }
.sb-category-card:hover .sb-category-card__icon svg,
.sb-category-card:hover .sb-category-card__image { transform: scale(1.04); }
.sb-cat-grid--page .sb-category-card:hover .sb-category-card__image { transform: scale(1.1); }
.sb-cat-grid--compact .sb-card__body { min-width: 0; padding: var(--card-compact-padding); }
.sb-cat-grid--compact .sb-card__body h3 { margin-bottom: 5px; font-size: var(--text-base); }
.sb-cat-grid--compact .sb-card__body p { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 1; -webkit-box-orient: vertical; font-size: var(--text-sm); }
.sb-cat-grid--compact .sb-card__arrow { margin-top: 8px; }

@media (max-width: 639px) {
  .sb-cat-grid--compact .sb-anchor-card .sb-card { grid-template-columns: 88px minmax(0, 1fr); }
  .sb-category-card__icon { width: 88px; }
  .sb-category-card__icon svg { width: 52px; height: 52px; }
  .sb-product-tools { margin-bottom: 28px; padding: 16px; }
  .sb-product-filters { flex-wrap: nowrap; margin-left: -16px; margin-right: -16px; padding: 0 16px 4px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .sb-product-filters button { flex: 0 0 auto; }
}

/* ---------- Placeholder（开发期占位，上线前替换为真实照片） ---------- */
.sb-ph {
  display: grid; place-items: center;
  background: var(--bg-gray);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-m);
  width: 100%;
}
.sb-ph > span {
  font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-400); text-align: center; padding: 12px;
}
.sb-section--gray .sb-ph, .sb-card .sb-ph { background: #EDF2F8; }

/* ---------- Header ---------- */
.sb-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid var(--line);
  transition: box-shadow .16s ease-out;
}
.sb-header.is-scrolled { box-shadow: var(--shadow-1); }
.sb-header__bar { display: flex; align-items: center; height: 56px; gap: 8px; }
.sb-brand { flex: 0 0 auto; display: inline-flex; align-items: center; margin-right: 16px; }
.sb-brand__img { width: 126px; height: auto; }

.sb-nav { display: none; margin-left: auto; }
.sb-nav__item { position: relative; }
.sb-nav__link {
  display: block; padding: 17px 10px; font-size: 14px; font-weight: 500; color: var(--ink-600);
  position: relative;
}
.sb-nav__link:hover { color: var(--blue-500); }
.sb-nav__item.is-active > .sb-nav__link { color: var(--blue-500); }
.sb-nav__item.is-active > .sb-nav__link::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 0; height: 2px; background: var(--blue-500);
}
.sb-nav__link[aria-current="page"] { color: var(--blue-500); }

.sb-drop, .sb-mega {
  position: absolute; top: 100%; left: 0; z-index: 110;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m);
  box-shadow: var(--shadow-2);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .16s ease-out, transform .16s ease-out, visibility .16s;
}
.sb-drop { min-width: 240px; padding: 10px 0; }
.sb-drop a { display: block; padding: 9px 18px; font-size: 14px; color: var(--ink-600); }
.sb-drop a:hover { color: var(--blue-500); background: var(--bg-gray); }

.sb-mega { left: auto; right: 0; width: 520px; padding: 20px 8px 12px; display: grid; grid-template-columns: 1fr 1fr; }
.sb-mega__col { padding: 0 12px; }
.sb-mega__col a { display: block; padding: 8px 10px; font-size: 14px; color: var(--ink-600); border-radius: var(--radius-s); }
.sb-mega__col a:hover { color: var(--blue-500); background: var(--bg-gray); }
.sb-mega__title { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-400); padding: 0 10px 8px; margin: 0; }
.sb-mega__foot { grid-column: 1 / -1; border-top: 1px solid var(--line); margin-top: 12px; padding: 12px 12px 4px; }

.sb-nav__item:hover > .sb-drop, .sb-nav__item:focus-within > .sb-drop,
.sb-nav__item:hover > .sb-mega, .sb-nav__item:focus-within > .sb-mega {
  opacity: 1; visibility: visible; transform: translateY(0);
}

.sb-header__side { display: none; }

.sb-burger {
  width: 44px; height: 44px; margin-left: auto;
  display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.sb-burger span { display: block; width: 22px; height: 2px; background: var(--navy-700); transition: transform .16s ease-out, opacity .16s ease-out; }
.sb-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sb-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.sb-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Drawer（移动端导航） ---------- */
.sb-drawer {
  position: fixed; inset: 0 0 0 auto; z-index: 130;
  width: min(360px, 88vw); background: #fff;
  transform: translateX(100%); visibility: hidden;
  transition: transform .2s ease-out, visibility .2s;
  overflow-y: auto; padding: 16px 20px 32px;
}
.sb-drawer.is-open { transform: translateX(0); visibility: visible; }
.sb-overlay {
  position: fixed; inset: 0; z-index: 120; background: rgba(10, 26, 51, .4);
  opacity: 0; transition: opacity .2s ease-out;
}
.sb-overlay.is-shown { opacity: 1; }
body.no-scroll { overflow: hidden; }

.sb-drawer .sb-acc { border-bottom: 1px solid var(--line); }
.sb-drawer .sb-acc__btn {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; font-size: 16px; font-weight: 500; color: var(--ink-900); text-align: left;
}
.sb-drawer .sb-acc__btn::after {
  content: ""; width: 9px; height: 9px; margin-right: 5px;
  border-right: 2px solid var(--ink-400); border-bottom: 2px solid var(--ink-400);
  transform: rotate(45deg); transition: transform .16s ease-out;
}
.sb-drawer .sb-acc__btn[aria-expanded="true"]::after { transform: rotate(225deg); }
.sb-drawer .sb-acc__panel { display: none; padding: 4px 0 16px; }
.sb-drawer .sb-acc__panel a { display: block; padding: 9px 0 9px 14px; font-size: 14px; color: var(--ink-600); border-left: 2px solid var(--line); }
.sb-drawer .sb-acc__panel a:hover { color: var(--blue-500); }
.sb-drawer .sb-acc__title { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-400); padding: 10px 0 4px 14px; margin: 0; font-weight: 600; }
.sb-drawer .sb-acc__all { font-weight: 500; }
.sb-drawer__link { display: block; padding: 16px 0; font-size: 16px; font-weight: 500; color: var(--ink-900); border-bottom: 1px solid var(--line); }
.sb-drawer__cta { width: 100%; margin-top: 24px; }

/* ---------- Hero ---------- */
.sb-hero { padding: 64px 0 0; background: #fff; }
.sb-hero__grid { display: grid; gap: 40px; align-items: center; }
.sb-hero__copy { max-width: 650px; }
.sb-hero__copy h1 { font-size: clamp(var(--display-sm), 4.5vw, var(--display-md)); line-height: 1.08; letter-spacing: -.035em; }
.sb-hero__lead { margin-top: 24px; font-size: var(--text-lg); line-height: 1.8; max-width: 620px; }
.sb-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.sb-hero__actions .sb-btn { flex: 1 1 auto; }

/* ---------- Cards & Grids ---------- */
.sb-card {
  display: flex; flex-direction: column; height: 100%; background: #fff; border: var(--card-border);
  border-radius: var(--card-radius); overflow: hidden;
  transition: border-color .16s ease-out, box-shadow .16s ease-out, transform .16s ease-out;
}
.sb-card:hover { border-color: var(--blue-400); box-shadow: var(--shadow-2); transform: translateY(var(--card-hover-offset)); }
.sb-card__body { display: flex; flex: 1; flex-direction: column; padding: var(--card-padding); }
.sb-card__body h3 { font-size: var(--card-title-size); font-weight: var(--card-title-weight); line-height: var(--heading-3-line-height); margin-bottom: 8px; }
.sb-card__body p { font-size: var(--card-body-size); line-height: var(--card-body-line-height); color: var(--body-color); }
.sb-card__arrow { display: inline-block; margin-top: auto; padding-top: 18px; font-size: 13px; font-weight: 600; color: var(--blue-500); }
.sb-card:hover .sb-card__arrow { color: var(--blue-400); }

.sb-cat-grid, .sb-feat-grid, .sb-app-grid { display: grid; gap: var(--card-grid-gap); }

.sb-why-grid { display: grid; gap: 20px; }
.sb-why { border-top: 2px solid var(--line-strong); padding-top: 20px; }
.sb-why__icon {
  width: 48px; height: 48px; border-radius: var(--radius-s);
  display: grid; place-items: center; margin-bottom: 16px;
  color: var(--blue-500); background: #EEF5FB;
}
.sb-why__icon svg {
  width: 30px; height: 30px; fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.sb-why h3 { font-size: 16px; margin-bottom: 6px; }
.sb-why p { font-size: 13px; }

.sb-app__body { padding: 20px; }
.sb-app__body h3 { font-size: var(--heading-3); margin-bottom: 6px; }
.sb-app__body p { font-size: 13px; }

.sb-split { display: grid; gap: 32px; align-items: center; }
.sb-split__media { display: grid; gap: 16px; }
.sb-split__copy h2 { font-size: clamp(22px, 3vw, 26px); margin-bottom: 16px; }
.sb-split__copy > p { font-size: 15px; max-width: 560px; }
.sb-checklist { margin: 20px 0 28px; display: grid; gap: 10px; }
.sb-checklist li { position: relative; padding-left: 20px; font-size: 14px; color: var(--ink-600); }
.sb-checklist li::before {
  content: ""; position: absolute; left: 0; top: .58em;
  width: 7px; height: 7px; background: var(--navy-700);
}
.sb-split__copy .sb-link-arrow { display: inline-block; margin-top: 8px; }

.sb-res-grid { display: grid; gap: 16px; }
.sb-res {
  display: block; background: #fff; border: var(--card-border); border-radius: var(--card-radius);
  padding: var(--card-padding); transition: border-color .16s ease-out, box-shadow .16s ease-out;
}
.sb-res:hover { border-color: var(--blue-400); box-shadow: var(--shadow-2); }
.sb-res h3 { font-size: var(--card-title-size); font-weight: var(--card-title-weight); margin-bottom: 8px; }
.sb-res p { font-size: 13px; }

/* ---------- Inquiry CTA ---------- */
.sb-cta {
  background: var(--brand-white);
  color: var(--ink-600);
  border-top: 1px solid var(--line);
}
.sb-cta__inner {
  position: relative; display: grid; gap: 24px; padding: 48px 0; align-items: center;
}
.sb-cta h2 { color: var(--navy-700); font-size: clamp(24px, 3vw, 30px); }
.sb-cta p { color: var(--ink-600); margin-top: 8px; }

/* ---------- Footer ---------- */
.sb-footer {
  position: relative;
  background: var(--navy-900);
  color: rgba(255, 255, 255, .72);
}
.sb-footer__grid { display: grid; gap: 32px 40px; padding: 52px 0 40px; align-items: start; }
.sb-footer__menus { display: contents; }
.sb-footer__grid h2,
.sb-footer .sb-footer__gtitle {
  color: #fff; font-size: 15px; font-weight: var(--font-weight-semibold);
  line-height: 1.35; letter-spacing: .02em; margin-bottom: 22px;
}
.sb-footer__grid a {
  display: block; color: rgba(255, 255, 255, .72);
  font-size: 14px; line-height: 1.45; padding: 5px 0;
  transition: color .16s ease-out, transform .16s ease-out;
}
.sb-footer__grid a:hover { color: #fff; transform: translateX(3px); }
.sb-footer__group--categories { min-width: max-content; }
.sb-footer__group--categories .sb-footer__glinks a { white-space: nowrap; }
.sb-footer__logo { display: inline-block; line-height: 0; }
.sb-footer__brand .sb-footer__logo:hover { transform: none; }
.sb-footer__brand .sb-footer__logo img { display: block; width: 164px; height: auto; margin-bottom: 18px; }
.sb-footer__brand .sb-footer__logo img[src*="logo-en"] { width: 188px; }
.sb-footer__brand > p { font-size: 14px; line-height: 1.75; max-width: 280px; }
.sb-footer__co { display: grid; gap: 3px; color: #fff; font-size: 14px; line-height: 1.55; }
.sb-footer__co-en { color: rgba(255, 255, 255, .58); font-size: 12px; font-weight: var(--font-weight-normal); }
.sb-footer__meta { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 10px; align-items: baseline; }
.sb-footer__meta-label { color: rgba(255, 255, 255, .46); font-size: 12px; white-space: nowrap; }
.sb-footer__meta > span:last-child,
.sb-footer__meta > strong { color: rgba(255, 255, 255, .78); font-weight: var(--font-weight-normal); overflow-wrap: anywhere; }
.sb-footer__cta {
  display: inline-flex !important; align-items: center; width: auto;
  margin-top: 16px; padding: 8px 14px !important;
  border: 1px solid rgba(105, 185, 237, .5); border-radius: var(--radius-s);
  color: #fff !important; font-weight: var(--font-weight-semibold);
}
.sb-footer__cta:hover { background: rgba(255, 255, 255, .08); border-color: var(--blue-300); transform: none !important; }
.sb-footer__bottom {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: 16px 28px; align-items: center;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0 26px; font-size: 13px; line-height: 1.5; color: rgba(255, 255, 255, .5);
}
.sb-footer__bottom > :nth-child(2) { text-align: center; }
.sb-footer__bottom > :last-child { justify-self: end; }
.sb-container.sb-footer__bottom { padding-top: 24px; padding-bottom: 24px; color: #ABBBD1; line-height: 1.8; }
.sb-footer__bottom a { color: inherit; text-underline-offset: 4px; }
.sb-footer__bottom a:hover { color: #fff; text-decoration: underline; }
.sb-footer__bottom a:focus-visible { outline: 2px solid var(--blue-300); outline-offset: 4px; }
.sb-footer__bottom .sb-footer__icp { font-size: 13px; color: inherit; }

@media (max-width: 1023px) {
  .sb-footer__bottom { grid-template-columns: 1fr; gap: 7px; }
  .sb-footer__bottom > :nth-child(2) { text-align: left; }
  .sb-footer__bottom > :last-child { justify-self: start; }
}

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .sb-container { --container-gutter: 32px; }
  .sb-cat-grid, .sb-feat-grid, .sb-app-grid, .sb-why-grid, .sb-res-grid { grid-template-columns: repeat(2, 1fr); }
  .sb-hero__actions .sb-btn { flex: 0 0 auto; }
  .sb-footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .sb-section { padding: var(--section-space) 0; }
  .sb-section--tight { padding: var(--section-space-tight) 0; }
  .sb-hero { padding-top: 80px; }
  .sb-cta__inner { grid-template-columns: 1fr auto; padding-top: 52px; padding-bottom: 52px; }
}

@media (min-width: 1024px) {
  .sb-section { padding: var(--section-space) 0; }
  .sb-section--tight { padding: var(--section-space-tight) 0; }
  .sb-section__head { margin-bottom: var(--section-head-margin); }
  .sb-cat-grid, .sb-feat-grid, .sb-app-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .sb-why-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .sb-res-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .sb-hero { padding-top: 96px; }
  .sb-hero__grid { grid-template-columns: 1.08fr .92fr; gap: 72px; }
  .sb-split { grid-template-columns: 1fr 1fr; gap: 56px; }
  .sb-split--rev .sb-split__media { order: 2; }
  .sb-split__media { grid-template-columns: repeat(2, 1fr); }
  .sb-split__media--single, .sb-split--rev .sb-split__media--single { grid-template-columns: 1fr; }
  .sb-nav { display: flex; }
  .sb-header__side { display: flex; }
  .sb-burger, .sb-drawer, .sb-overlay { display: none; }
  .sb-footer__grid {
    grid-template-columns: minmax(190px, .82fr) minmax(360px, 1.72fr) minmax(270px, 1.05fr);
    column-gap: 64px; row-gap: 32px;
  }
  .sb-container.sb-footer__grid { padding-top: 48px; }
  .sb-footer__brand { grid-column: 1; }
  .sb-footer__menus { display: grid; grid-column: 2; gap: 32px; align-content: start; }
  .sb-footer__contact {
    grid-column: 3;
    padding: 46px 28px 28px; margin-top: -48px;
    background: rgba(255, 255, 255, .045);
    border-top: 2px solid var(--blue-500);
  }
  .sb-footer__group--manual .sb-footer__glinks {
    display: flex; flex-wrap: wrap; gap: 4px 24px;
  }
  .sb-footer__group--manual .sb-footer__glinks a { padding-right: 8px; }
  .sb-contact-grid { grid-template-columns: 1.6fr 1fr; gap: 56px; align-items: start; }
  .sb-form__row { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   内页与表单（Phase 1 补充）
   ========================================================================== */

.sb-header__side { align-items: center; gap: 16px; margin-left: 20px; }

/* 语言切换分段控件（中/EN，当前语言高亮） */
.sb-langswitch {
  display: inline-flex; align-items: stretch;
  border: 1px solid var(--line-strong); border-radius: var(--radius-s);
  overflow: hidden; flex: 0 0 auto;
}
.sb-langswitch a {
  padding: 6px 12px; font-size: 13px; font-weight: 600; letter-spacing: .02em;
  color: var(--ink-600); line-height: 1.4;
  transition: background-color .16s ease-out, color .16s ease-out;
}
.sb-langswitch a + a { border-left: 1px solid var(--line-strong); }
.sb-langswitch a:hover { color: var(--blue-500); background: var(--bg-gray); }
.sb-langswitch a.is-current { background: var(--navy-700); color: #fff; cursor: default; }
.sb-langswitch--drawer { display: flex; width: 100%; margin-bottom: 16px; }
.sb-langswitch--drawer a { flex: 1; text-align: center; padding: 11px; font-size: 14px; }

.sb-page-hero { background: var(--bg-steel); padding: var(--page-hero-space) 0; }
.sb-page-hero h1 { font-size: var(--heading-1); max-width: 800px; }
.sb-page-hero__lead { margin-top: 12px; font-size: var(--body-size); line-height: var(--body-line-height); max-width: 680px; }

section[id], .sb-anchor-card { scroll-margin-top: 92px; }

.sb-cat-grid--page { gap: 24px; }
.sb-anchor-card { display: flex; flex-direction: column; }
.sb-anchor-card .sb-card { flex: 1; }
.sb-status {
  margin: 10px 2px 0; font-size: 12px; color: var(--ink-400); letter-spacing: .04em;
}
.sb-status-inline { font-size: 13px; color: var(--ink-400); }

.sb-note {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 20px; background: var(--bg-steel); border-left: 3px solid var(--navy-700);
  border-radius: var(--radius-m); padding: 24px 28px;
}
.sb-note p { font-size: 15px; max-width: 640px; }
.sb-note__copy h2 { margin-bottom: var(--space-2); font-size: var(--heading-2); }
.sb-note__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.sb-res-desc { margin-top: 12px; font-size: 15px; max-width: 680px; }

/* ---------- 技术资料中心：单一资料库、真实筛选、紧凑卡片 ---------- */
.sb-resource-library__head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 28px;
  margin-bottom: 24px;
}
.sb-resource-library__head h2 { font-size: var(--heading-2); }
.sb-resource-library__head > div > p:last-child { margin-top: 9px; font-size: var(--text-sm); }
.sb-resource-tools { padding: 18px; border: 1px solid var(--line); background: #F7F9FC; }
.sb-resource-tools[hidden] { display: none; }
.sb-resource-search {
  display: flex; align-items: center; gap: 10px; width: 100%; min-height: 46px;
  padding: 0 14px; border: 1px solid var(--line-strong); background: #fff;
}
.sb-resource-search:focus-within { border-color: var(--blue-500); box-shadow: 0 0 0 3px var(--blue-100); }
.sb-resource-search svg { width: 20px; height: 20px; fill: none; stroke: var(--blue-500); stroke-width: 1.8; stroke-linecap: round; }
.sb-resource-search input { width: 100%; min-width: 0; padding: 10px 0; border: 0; outline: 0; background: transparent; color: var(--ink-900); font: inherit; font-size: var(--text-sm); }
.sb-resource-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.sb-resource-filters button {
  min-height: 34px; padding: 6px 12px; border: 1px solid var(--line); background: #fff;
  color: var(--ink-600); font-size: var(--text-sm); font-weight: var(--font-weight-medium);
}
.sb-resource-filters button:hover { border-color: var(--blue-400); color: var(--blue-500); }
.sb-resource-filters button.is-active { border-color: var(--navy-700); background: var(--navy-700); color: #fff; }
.sb-resource-filters button span { margin-left: 5px; opacity: .68; font-size: var(--text-xs); }
.sb-resource-results { display: flex; justify-content: flex-end; min-height: 38px; padding: 12px 0 8px; color: var(--ink-400); font-size: var(--text-xs); }
.sb-resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.sb-resource-card {
  display: grid; grid-template-columns: 164px minmax(0, 1fr); min-width: 0; min-height: 190px;
  overflow: hidden; border: var(--card-border); background: #fff;
  transition: border-color .16s ease-out, transform .16s ease-out;
}
.sb-resource-card:hover { border-color: var(--blue-400); transform: translateY(-1px); }
.sb-resource-card[hidden] { display: none; }
.sb-resource-card__media { display: grid; min-width: 0; color: var(--blue-500); background: #EEF4FA; border-right: 1px solid var(--line); }
.sb-resource-card__media .sb-media { width: 100%; height: 100%; aspect-ratio: auto !important; object-fit: cover; border-radius: 0; }
.sb-resource-card__icon { display: grid; place-items: center; height: 100%; min-height: 188px; }
.sb-resource-card__icon svg { width: 52px; height: 52px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.sb-resource-card__body { display: flex; flex-direction: column; min-width: 0; padding: 18px; }
.sb-resource-card__meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; color: var(--ink-400); font-size: var(--text-xs); }
.sb-resource-card__meta strong { padding: 2px 7px; background: var(--blue-100); color: var(--blue-500); font-size: 11px; font-weight: var(--font-weight-semibold); }
.sb-resource-card h3 { font-size: var(--text-md); line-height: 1.45; }
.sb-resource-card h3 a { color: var(--navy-700); }
.sb-resource-card h3 a:hover { color: var(--blue-500); }
.sb-resource-card__body > p { display: -webkit-box; overflow: hidden; margin-top: 7px; color: var(--ink-600); font-size: var(--text-sm); line-height: 1.65; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.sb-resource-card footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 13px; color: var(--ink-400); font-size: var(--text-xs); }
.sb-resource-card footer a { color: var(--blue-500); font-weight: var(--font-weight-semibold); white-space: nowrap; }
.sb-resource-empty { padding: 48px 24px; text-align: center; border: 1px dashed var(--line-strong); background: #F7F9FC; }
.sb-resource-empty[hidden] { display: none; }
.sb-resource-empty strong { display: block; color: var(--navy-700); }
.sb-resource-empty p { margin: 6px 0 16px; font-size: var(--text-sm); }
.sb-resource-empty button { color: var(--blue-500); font-weight: var(--font-weight-semibold); }
.sb-resource-support { background: #fff; }

@media (max-width: 960px) {
  .sb-resource-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .sb-resource-library__head { align-items: flex-start; flex-direction: column; gap: 14px; margin-bottom: 20px; }
  .sb-resource-tools { margin: 0 -20px; padding: 14px 20px; border-left: 0; border-right: 0; }
  .sb-resource-filters { flex-wrap: nowrap; margin-right: -20px; padding-right: 20px; overflow-x: auto; scrollbar-width: none; }
  .sb-resource-filters::-webkit-scrollbar { display: none; }
  .sb-resource-filters button { flex: 0 0 auto; }
  .sb-resource-card { grid-template-columns: 108px minmax(0, 1fr); min-height: 158px; }
  .sb-resource-card__icon { min-height: 156px; }
  .sb-resource-card__icon svg { width: 42px; height: 42px; }
  .sb-resource-card__body { padding: 14px; }
  .sb-resource-card h3 { font-size: var(--text-base); }
  .sb-resource-card__body > p { -webkit-line-clamp: 1; }
  .sb-resource-card footer { padding-top: 9px; }
}

.sb-related-label { margin-top: 20px; font-size: 13px; color: var(--ink-400); }
.sb-related { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.sb-related a {
  display: inline-block; padding: 6px 14px; font-size: 14px; font-weight: 500;
  background: #fff; border: 1px solid var(--line-strong); border-radius: var(--radius-s);
  color: var(--navy-700);
}
.sb-related a:hover { border-color: var(--blue-400); color: var(--blue-500); }
.sb-section--gray .sb-related a { background: #fff; }

.sb-scope { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; max-width: 760px; }
.sb-scope a {
  display: block; padding: 12px 18px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-s);
  font-size: 14px; color: var(--navy-700); font-weight: 500;
}
.sb-scope a:hover { border-color: var(--blue-400); color: var(--blue-500); }

.sb-contact-grid { display: grid; gap: 40px; }
.sb-contact-info { background: var(--bg-gray); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 28px; }
.sb-contact-info h2 { font-size: 18px; margin-bottom: 16px; }
.sb-contact-info dt { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-400); margin-top: 14px; }
.sb-contact-info dd { margin: 2px 0 0; font-size: 14px; color: var(--ink-900); }
.sb-contact-note { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; }

/* ---------- Contact：渠道优先、分组询价、动态联系资料 ---------- */
.sb-contact-page { background: #fff; }
.sb-contact-page .sb-page-hero { position: relative; overflow: hidden; padding: 58px 0 126px; background: linear-gradient(118deg, var(--navy-900) 0%, var(--navy-700) 72%, #063985 100%); }
.sb-contact-page .sb-page-hero::after { content: ""; position: absolute; right: -90px; bottom: -150px; width: 420px; height: 300px; border: 1px solid rgba(105,185,237,.22); transform: skewX(-30deg); pointer-events: none; }
.sb-contact-page .sb-page-hero .sb-container { position: relative; z-index: 1; }
.sb-contact-page .sb-page-hero .sb-eyebrow { color: var(--blue-300); }
.sb-contact-page .sb-page-hero h1 { color: #fff; }
.sb-contact-page .sb-page-hero__lead { color: rgba(255,255,255,.72); }
.sb-contact-channels { position: relative; z-index: 2; margin: -1px 0 0; background: #fff; border-bottom: 1px solid var(--line); }
.sb-contact-channels__grid { display: grid; grid-template-columns: 1fr; }
.sb-contact-channel { display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; align-items: center; gap: 16px; min-width: 0; padding: 24px 0; color: var(--ink-600); border-bottom: 1px solid var(--line); }
.sb-contact-channel:last-child { border-bottom: 0; }
.sb-contact-channel:hover { color: var(--navy-700); }
.sb-contact-channel__mark { display: grid; place-items: center; width: 48px; height: 48px; color: var(--blue-500); background: var(--blue-100); font-size: 11px; font-weight: var(--font-weight-bold); letter-spacing: .06em; }
.sb-contact-channel small, .sb-contact-channel strong { display: block; min-width: 0; }
.sb-contact-channel small { margin-bottom: 2px; color: var(--ink-400); font-size: var(--text-xs); font-weight: var(--font-weight-semibold); letter-spacing: .04em; text-transform: uppercase; }
.sb-contact-channel strong { color: var(--navy-700); font-size: var(--text-base); font-weight: var(--font-weight-semibold); overflow-wrap: anywhere; }
.sb-contact-channel__arrow { color: var(--blue-500); font-size: 20px; transition: transform .16s ease-out; }
.sb-contact-channel:hover .sb-contact-channel__arrow { transform: translateX(3px); }
.sb-section.sb-contact-main { padding-top: 0; }
.sb-contact-layout { display: grid; gap: 32px; align-items: start; }
.sb-contact-form-card, .sb-contact-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); }
.sb-contact-form-card { position: relative; margin-top: -64px; padding: clamp(24px, 4vw, 48px); border-top: 3px solid var(--blue-500); box-shadow: 0 22px 56px rgba(0,27,73,.12); }
.sb-contact-form-card__head { margin-bottom: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.sb-contact-form-card__head h2 { font-size: clamp(24px, 3vw, 32px); }
.sb-contact-form-card__head > p:last-child { max-width: 680px; margin-top: 12px; font-size: var(--text-base); line-height: 1.8; }
.sb-contact-form__section { min-width: 0; margin: 0; padding: 0; border: 0; }
.sb-contact-form__section + .sb-contact-form__section { margin-top: 8px; padding-top: 28px; border-top: 1px solid var(--line); }
.sb-contact-form__section legend { width: 100%; margin: 0 0 18px; padding: 0; color: var(--navy-700); font-size: var(--text-lg); font-weight: var(--font-weight-semibold); }
.sb-form__grid { display: grid; gap: 18px; }
.sb-form__grid + .sb-form__grid { margin-top: 18px; }
.sb-field.sb-contact-upload { display: grid; grid-template-columns: minmax(150px, .36fr) minmax(0, 1fr); align-items: center; gap: 6px 18px; margin-top: 4px; padding: 14px 16px; background: var(--bg-gray); border: 1px dashed var(--line-strong); }
.sb-contact-upload > span { grid-row: 1 / span 2; margin: 0; color: var(--navy-700); }
.sb-contact-upload input[type="hidden"] { display: none; }
.sb-contact-upload input[type="file"] { min-height: 44px; padding: 8px; background: #fff; }
.sb-contact-upload small { display: block; color: var(--ink-400); font-size: var(--text-xs); font-weight: var(--font-weight-normal); line-height: 1.5; }
.sb-contact-form__submit { display: flex; align-items: center; gap: 18px; margin-top: 4px; }
.sb-contact-form__submit .sb-btn { min-width: 180px; }
.sb-contact-form__submit span { color: var(--ink-400); font-size: var(--text-xs); }
.sb-contact-sidebar { display: grid; gap: 18px; min-width: 0; }
.sb-contact-panel { padding: 26px; }
.sb-contact-panel > h2 { margin-bottom: 8px; font-size: 22px; }
.sb-contact-panel__company { margin-bottom: 22px; color: var(--ink-600); font-size: var(--text-sm); line-height: 1.7; }
.sb-contact-panel dl { margin: 0; }
.sb-contact-panel dt { margin-top: 17px; color: var(--ink-400); font-size: var(--text-xs); font-weight: var(--font-weight-semibold); letter-spacing: .04em; text-transform: uppercase; }
.sb-contact-panel dd { margin: 3px 0 0; color: var(--ink-900); font-size: var(--text-sm); line-height: 1.7; overflow-wrap: anywhere; }
.sb-contact-panel dd a { color: var(--navy-700); font-weight: var(--font-weight-medium); }
.sb-contact-panel dd a:hover { color: var(--blue-500); }
.sb-contact-panel dd.sb-contact-panel__primary a { color: var(--blue-500); font-size: var(--text-lg); font-weight: var(--font-weight-semibold); }
.sb-contact-panel__map { display: inline-flex; margin-top: 20px; font-size: var(--text-sm); font-weight: var(--font-weight-semibold); }
.sb-contact-panel .sb-contact-note { margin-top: 22px; padding-top: 18px; color: var(--ink-400); line-height: 1.7; }
.sb-contact-panel--wechat { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 18px; }
.sb-contact-panel--wechat h2 { font-size: var(--text-lg); }
.sb-contact-panel--wechat > div > p:last-child { margin-top: 8px; color: var(--ink-400); font-size: var(--text-xs); line-height: 1.7; }
.sb-contact-panel--wechat .sb-contact-wechat { margin: 0; }
.sb-contact-panel--wechat .sb-contact-wechat img { width: 104px; height: 104px; }
.sb-contact-main .sb-contact-form-card { max-width: 900px; margin: -64px auto 0; }
.sb-contact-optional { margin-top: 4px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sb-contact-optional summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; color: var(--navy-700); font-size: var(--text-sm); font-weight: var(--font-weight-semibold); cursor: pointer; list-style: none; }
.sb-contact-optional summary::-webkit-details-marker { display: none; }
.sb-contact-optional summary::after { content: "+"; color: var(--blue-500); font-size: 20px; font-weight: var(--font-weight-normal); }
.sb-contact-optional[open] summary::after { content: "−"; }
.sb-contact-optional[open] { padding-bottom: 20px; }
.sb-contact-secondary__grid { display: grid; gap: 18px; align-items: start; }

@media (min-width: 640px) {
  .sb-form__grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sb-form__grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .sb-contact-channels__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sb-contact-channel { padding: 26px 24px; border-right: 1px solid var(--line); border-bottom: 0; }
  .sb-contact-channel:first-child { padding-left: 0; }
  .sb-contact-channel:last-child { padding-right: 0; border-right: 0; }
  .sb-contact-secondary__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .sb-contact-layout { grid-template-columns: minmax(0, 1.55fr) minmax(300px, .7fr); gap: 40px; }
  .sb-form__grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sb-contact-secondary__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 639px) {
  .sb-contact-page .sb-page-hero { padding: 38px 0 88px; }
  .sb-contact-channel { grid-template-columns: 42px minmax(0, 1fr) auto; padding: 18px 0; }
  .sb-contact-channel__mark { width: 42px; height: 42px; }
  .sb-contact-main .sb-contact-form-card { margin-top: -42px; }
  .sb-contact-form-card, .sb-contact-panel { padding: 22px 18px; }
  .sb-contact-form-card__head { margin-bottom: 26px; padding-bottom: 22px; }
  .sb-field.sb-contact-upload { grid-template-columns: 1fr; }
  .sb-contact-upload > span { grid-row: auto; }
  .sb-contact-form__submit { align-items: stretch; flex-direction: column; }
  .sb-contact-form__submit .sb-btn { width: 100%; }
  .sb-contact-panel--wechat { grid-template-columns: 1fr; }
}

.sb-form { display: grid; gap: 18px; }
.sb-form__row { display: grid; gap: 18px; }
.sb-field { display: block; font-size: 13px; font-weight: 500; color: var(--ink-600); }
.sb-field span { display: block; margin-bottom: 8px; }
.sb-field input, .sb-form select, .sb-form textarea {
  width: 100%; min-height: 48px; padding: 10px 14px;
  font: inherit; font-size: 15px; color: var(--ink-900);
  background: #fff; border: 1px solid var(--line-strong); border-radius: var(--radius-s);
}
.sb-field textarea { min-height: 120px; resize: vertical; }
.sb-field input::placeholder, .sb-field textarea::placeholder { color: var(--ink-400); }
.sb-field input:focus, .sb-form select:focus, .sb-form textarea:focus {
  outline: none; border-color: var(--blue-500);
  box-shadow: 0 0 0 3px var(--blue-100);
}
.sb-form select { appearance: auto; }
.sb-form__notice {
  background: var(--bg-steel); border-left: 3px solid var(--warning);
  padding: 14px 16px; border-radius: var(--radius-s); font-size: 14px;
}

@media (min-width: 640px) {
  .sb-scope { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 产品分类/系列/详情页（DB 驱动页面） ---------- */
.sb-breadcrumb { background: #fff; border-bottom: 1px solid var(--line); }
.sb-breadcrumb .sb-container { padding: var(--space-3) 32px; font-size: var(--text-sm); font-weight: var(--font-weight-normal); color: var(--ink-400); white-space: nowrap; overflow-x: auto; }
.sb-breadcrumb a { color: var(--ink-600); }
.sb-breadcrumb a:hover { color: var(--blue-500); }
.sb-model { font-size: var(--text-sm); color: var(--ink-400); letter-spacing: 0; }

.sb-pd-hero { padding-top: var(--space-12); padding-bottom: var(--space-18); }
.sb-pd { display: grid; gap: var(--space-8); align-items: start; }
.sb-pd__gallery { min-width: 0; }
.sb-media.sb-pd__main {
  display: block; width: 100%; height: auto; aspect-ratio: 1 / 1;
  border: 1px solid var(--line); border-radius: var(--radius-m);
  background: #fff; object-fit: contain; object-position: center; padding: clamp(10px, 2.2vw, 24px);
  opacity: 1; transition: opacity .18s ease-out;
}
.sb-media.sb-pd__main.is-switching { opacity: .35; }
@media (prefers-reduced-motion: reduce) { .sb-media.sb-pd__main { transition: none; } }
.sb-pd__thumbbar { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-3); }
.sb-pd__thumbs { display: flex; flex: 1; min-width: 0; gap: var(--space-3); overflow-x: auto; padding: 2px 2px 4px; scrollbar-width: thin; }
.sb-pd__thumb { flex: 0 0 72px; width: 72px; height: 72px; padding: 0; overflow: hidden; background: #fff; border-radius: var(--radius-s); border: 1px solid var(--line); cursor: pointer; }
.sb-pd__thumb img { display: block; width: 100%; height: 100%; padding: 4px; object-fit: contain; object-position: center; }
.sb-pd__thumb:hover { border-color: var(--blue-400); }
.sb-pd__thumb.is-active { border-color: var(--blue-500); box-shadow: 0 0 0 2px var(--blue-100); }
.sb-pd__image-count { flex: 0 0 auto; color: var(--ink-400); font-size: var(--text-xs); font-variant-numeric: tabular-nums; }
.sb-pd__image-count b { color: var(--ink-700); font-weight: var(--font-weight-semibold); }
.sb-pd__info { min-width: 0; }
.sb-pd__info .sb-eyebrow { margin-bottom: var(--space-2); }
.sb-pd__info h1 { font-size: var(--heading-1); line-height: 1.18; letter-spacing: -.02em; margin-bottom: var(--space-6); }
.sb-pd__meta { display: flex; gap: var(--space-5) var(--space-8); margin: 0 0 var(--space-6); padding: 0; flex-wrap: wrap; }
.sb-pd__meta li { list-style: none; display: flex; flex-direction: column; gap: 2px; min-width: min(160px, 100%); }
.sb-pd__meta-label { font-size: var(--text-sm); font-weight: var(--font-weight-medium); color: var(--ink-400); letter-spacing: 0; }
.sb-pd__meta-value { font-size: var(--text-md); font-weight: var(--font-weight-semibold); line-height: 1.5; color: var(--ink-900); overflow-wrap: anywhere; }
.sb-pd__model-link { display: inline-flex; margin-top: var(--space-4); color: var(--blue-600); font-size: var(--text-sm); font-weight: var(--font-weight-semibold); }
.sb-pd__model-link:hover { color: var(--navy-700); }
.sb-pd-model-options { background: #fff; border-top: 1px solid var(--line); }
.sb-pd-model-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-m); }
.sb-pd-model-table { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
.sb-pd-model-table th, .sb-pd-model-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.sb-pd-model-table thead th { background: #f5f8fb; color: var(--ink-500); font-size: var(--text-xs); font-weight: var(--font-weight-semibold); letter-spacing: .04em; }
.sb-pd-model-table tbody tr:last-child th, .sb-pd-model-table tbody tr:last-child td { border-bottom: 0; }
.sb-pd-model-table tbody th { color: var(--navy-700); font-weight: var(--font-weight-semibold); white-space: nowrap; }
.sb-pd-model-table tbody td { color: var(--ink-700); }
.sb-pd-model-table__image { width: 64px; }
.sb-pd-model-table__image button { display:grid; place-items:center; width:48px; height:48px; padding:3px; border:1px solid var(--line); border-radius:var(--radius-s); background:#fff; cursor:pointer; }
.sb-pd-model-table__image button:hover { border-color:var(--blue-500); }
.sb-pd-model-table__image img { display:block; width:100%; height:100%; object-fit:contain; }
.sb-pd-model-table__image span { color:var(--ink-300); }
.sb-pd-section-head { display: flex; align-items: end; justify-content: space-between; gap: var(--space-6); margin-bottom: var(--space-6); }
.sb-pd-section-head .sb-pd__h2 { margin-bottom: var(--space-2); }
.sb-pd-section-head p { color: var(--ink-500); font-size: var(--text-sm); }
.sb-pd-section-head > span { flex: 0 0 auto; padding: 5px 10px; border-radius: 999px; background: var(--blue-100); color: var(--blue-600); font-size: var(--text-xs); font-weight: var(--font-weight-semibold); }
.sb-pd-model-table__action { text-align: right; white-space: nowrap; }
.sb-pd-model-table__action button { min-height: var(--button-height-small); padding: 6px 11px; border: 1px solid var(--line-strong); border-radius: var(--button-radius); background: #fff; color: var(--blue-600); font: inherit; font-size: var(--button-font-size-small); font-weight: var(--button-weight); cursor: pointer; }
.sb-pd-model-table__action button:hover { border-color: var(--blue-500); background: var(--blue-100); }
.sb-pd-model-table tbody tr.is-selected th, .sb-pd-model-table tbody tr.is-selected td { background: #F2F8FF; }
.sb-pd__short { font-size: var(--text-md); font-weight: var(--font-weight-normal); line-height: 1.7; color: var(--ink-600); max-width: 680px; }
.sb-pd__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin: var(--space-6) 0 0; }
.sb-pd__utility { margin-top: var(--space-4); font-size: var(--text-sm); font-weight: var(--font-weight-medium); }
.sb-pd__utility a { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-600); }
.sb-pd__utility a::before { content: "PDF"; font-size: 10px; font-weight: var(--font-weight-bold); color: var(--blue-500); border: 1px solid var(--blue-300); border-radius: 2px; padding: 1px 3px; }
.sb-pd__utility a:hover { color: var(--blue-500); }
.sb-pd__h2 { font-size: var(--heading-2-size); font-weight: var(--heading-2-weight); line-height: var(--heading-2-line-height); letter-spacing: -.01em; margin-bottom: var(--space-6); }
.sb-pd__h2--spaced { margin-top: var(--space-10); }
.sb-pd__h3 { font-size: var(--heading-3-size); font-weight: var(--heading-3-weight); line-height: var(--heading-3-line-height); margin: var(--space-8) 0 var(--space-3); }
.sb-pd__h2 + .sb-pd__h3 { margin-top: 0; }
.sb-pd__content { max-width: 780px; }
.sb-split__copy > p strong { font-weight: var(--font-weight-medium); color: var(--ink-900); }

/* ---------- 技术文章详情页 ---------- */
.sb-article { max-width: 900px; }
.sb-section.sb-article-page { padding-top: 36px; padding-bottom: 56px; }
.sb-article__toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.sb-article__toolbar > a { flex: 0 0 auto; color: var(--blue-500); font-size: var(--text-sm); font-weight: var(--font-weight-medium); }
.sb-article__meta { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin: 0; color: var(--ink-400); font-size: var(--text-xs); }
.sb-article__type { padding: 3px 9px; background: var(--blue-100); color: var(--blue-500); font-weight: var(--font-weight-semibold); }
.sb-article__cover { display: block; width: 100%; margin: 0 0 24px; border-radius: 0; }
.sb-article__download { display: flex; align-items: center; justify-content: space-between; gap: 22px; margin: 0 0 24px; padding: 18px 20px; border-left: 3px solid var(--blue-500); background: #F3F7FB; }
.sb-article__download strong, .sb-article__download span { display: block; }
.sb-article__download strong { color: var(--navy-700); font-size: var(--text-base); }
.sb-article__download span { margin-top: 3px; color: var(--ink-600); font-size: var(--text-sm); }
.sb-article__download .sb-btn { flex: 0 0 auto; }
.sb-article__body { color: var(--ink-900); font-size: var(--body-size); font-weight: var(--body-weight); line-height: 1.85; }
.sb-article__body > :first-child { margin-top: 0; }
.sb-article__body h2 { margin: 32px 0 12px; font-size: 24px; }
.sb-article__body h3 { margin: 24px 0 10px; font-size: 19px; }
.sb-article__body p { margin: 0 0 16px; }
.sb-article__body img { margin: 24px auto; }
.sb-article-related { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 20px; }
.sb-article-related a { display: flex; flex-direction: column; min-height: 150px; padding: 20px; border: 1px solid var(--line); background: #fff; }
.sb-article-related a:hover { border-color: var(--blue-400); }
.sb-article-related span { color: var(--ink-400); font-size: var(--text-xs); }
.sb-article-related strong { margin-top: 8px; color: var(--navy-700); font-size: var(--text-base); line-height: 1.55; }
.sb-article-related i { margin-top: auto; padding-top: 16px; color: var(--blue-500); font-size: var(--text-xs); font-style: normal; font-weight: var(--font-weight-semibold); }
.sb-card__date { font-size: 12px; color: var(--ink-400); letter-spacing: .04em; margin: 0 0 4px; }
@media (max-width: 720px) {
  .sb-section.sb-article-page { padding-top: 26px; padding-bottom: 40px; }
  .sb-article__toolbar { align-items: flex-start; }
  .sb-article__toolbar > a { padding-top: 4px; }
  .sb-article__download { align-items: stretch; flex-direction: column; }
  .sb-article__download .sb-btn { width: 100%; }
  .sb-article__body { font-size: var(--body-size); }
  .sb-article-related { grid-template-columns: 1fr; }
  .sb-article-related a { min-height: 126px; }
}

/* 参数表：基础/尺寸/技术分组各自独立；窄屏矩阵表允许横向滑动。 */
.sb-spec-table { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); box-shadow: var(--shadow-1); }
.sb-spec-table--scroll { max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; -webkit-overflow-scrolling: touch; }
.sb-spec-table table { border-collapse: collapse; font-size: var(--text-base); line-height: var(--line-height-normal); table-layout: auto; width: max-content; min-width: 100%; }
.sb-spec-table th, .sb-spec-table td { padding: 13px 18px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.sb-spec-table tbody tr:last-child td, .sb-spec-table tbody tr:last-child th, .sb-spec-table tr:last-child td, .sb-spec-table tr:last-child th { border-bottom: 0; }
.sb-spec-table tbody tr:hover { background: #F8FAFC; }

/* 基础参数（产品级，键值两列；单位与数值同格） */
.sb-spec-table--kv th { width: 32%; text-align: left; font-size: var(--text-sm); font-weight: var(--font-weight-medium); color: var(--ink-400); white-space: nowrap; background: #F8FAFC; }
.sb-spec-table--kv td { min-width: 200px; white-space: normal; font-weight: var(--font-weight-medium); color: var(--ink-900); }

/* 型号矩阵（尺寸/技术参数） */
.sb-spec-table--matrix thead th { white-space: nowrap; text-align: center; min-width: 104px; font-size: var(--text-sm); font-weight: var(--font-weight-semibold); line-height: 1.4; color: var(--ink-600); background: var(--bg-gray); }
.sb-spec-table--matrix thead th.is-number { text-align: center; }
.sb-spec__head { display: inline-flex; align-items: baseline; gap: 4px; max-width: 100%; white-space: nowrap; }
.sb-spec-table--matrix thead th .sb-spec__head { justify-content: center; width: 100%; }
.sb-spec__head-label { display: inline-block; }
.sb-spec__unit { display: inline-block; flex: 0 0 auto; font-size: var(--text-xs); font-weight: var(--font-weight-normal); line-height: 1; color: var(--ink-400); }
.sb-spec-table--matrix thead th.sb-spec__model, .sb-spec-table--matrix td.sb-spec__model { min-width: 132px; text-align: center; }
.sb-spec-table--matrix tbody tr { height: 50px; }
.sb-spec-table--matrix td { text-align: center; white-space: nowrap; font-weight: var(--font-weight-normal); line-height: 1.5; color: var(--ink-600); font-variant-numeric: tabular-nums; }
.sb-spec-table--matrix td.sb-spec__model { font-weight: var(--font-weight-semibold); color: var(--ink-900); }
.sb-spec-table--matrix td.is-number { text-align: center; font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.sb-spec-table--matrix td.is-text { text-align: center; white-space: nowrap; min-width: 140px; max-width: none; }

@media (max-width: 767px) {
  .sb-spec-table th, .sb-spec-table td { padding: 9px 12px; }
}

.sb-pd__desc { font-size: var(--body-size); font-weight: var(--body-weight); line-height: var(--body-line-height); color: var(--body-color); max-width: 860px; }
.sb-pd__desc > :first-child { margin-top: 0; }
.sb-pd__desc > :last-child { margin-bottom: 0; }
.sb-pd__desc p { margin: 0 0 var(--space-4); }
.sb-pd__desc h2 { margin: var(--space-8) 0 var(--space-3); font-size: var(--heading-2); font-weight: var(--font-weight-bold); line-height: var(--line-height-tight); color: var(--ink-900); }
.sb-pd__desc h3 { margin: var(--space-6) 0 var(--space-3); font-size: var(--heading-3); font-weight: var(--font-weight-semibold); line-height: var(--line-height-tight); color: var(--ink-900); }
.sb-pd__desc ul, .sb-pd__desc ol { margin: 0 0 var(--space-5); padding-left: 1.4em; }
.sb-pd__desc li + li { margin-top: var(--space-2); }
.sb-pd__desc blockquote { margin: var(--space-5) 0; padding: var(--space-3) var(--space-5); border-left: 3px solid var(--blue-400); background: #f4f8fc; color: var(--ink-600); }
.sb-pd__desc hr { margin: var(--space-8) 0; border: 0; border-top: 1px solid var(--line); }
.sb-pd__desc a { color: var(--blue-500); text-decoration: underline; text-underline-offset: 3px; }
.sb-pd__desc img { display: block; width: 100%; max-width: 750px; height: auto; margin: 0 auto; border-radius: 0; }
.sb-pd__desc img + img { margin-top: 0; }
.sb-downloads { margin: 0; padding: 0; list-style: none; }
.sb-downloads--named { display: grid; gap: 10px; }
.sb-downloads--named li {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  min-height: 58px; padding: 10px 12px 10px 16px;
  border: 1px solid #dfe6ed; border-left: 3px solid var(--blue-400); border-radius: 6px;
  background: #fff; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.sb-downloads--named li:hover { border-color: #c7d5e3; border-left-color: var(--blue-500); box-shadow: 0 5px 16px rgba(16, 47, 75, .07); }
.sb-downloads__name { min-width: 0; color: var(--navy-700); font-size: var(--text-sm); font-weight: var(--font-weight-semibold); line-height: 1.55; overflow-wrap: anywhere; }
.sb-downloads__action {
  display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; gap: 7px;
  min-height: var(--button-height-compact); padding: 7px var(--button-padding-x-compact); border: 1px solid var(--blue-500); border-radius: var(--button-radius);
  background: var(--blue-500); color: #fff; font-size: var(--button-font-size-compact); font-weight: var(--button-weight);
  line-height: 1; text-decoration: none; box-shadow: 0 2px 6px rgba(14, 85, 145, .12);
  transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.sb-downloads__action:hover { border-color: var(--navy-700); background: var(--navy-700); color: #fff; box-shadow: 0 5px 12px rgba(14, 85, 145, .2); transform: translateY(-1px); }
.sb-downloads__action:focus-visible { outline: 3px solid rgba(45, 133, 196, .25); outline-offset: 2px; }
.sb-downloads__action > span { font-size: 14px; line-height: 1; }
.sb-downloads--cad { display: flex; flex-wrap: wrap; gap: 20px 24px; }
.sb-downloads--cad li { flex: 0 1 auto; width: auto; max-width: 100%; min-height: 56px; padding: 9px 11px 9px 14px; gap: 20px; }
.sb-downloads--cad .sb-downloads__name { flex: 0 1 auto; }
.sb-downloads--cad .sb-downloads__action { white-space: nowrap; }
.sb-engineering-group { width: 100%; }
.sb-engineering-group + .sb-engineering-group { margin-top: var(--space-8); }
.sb-engineering-group .sb-pd__h2 { margin-bottom: var(--space-5); }
.sb-engineering-group + .sb-engineering-group .sb-pd__h2 { display: flex; align-items: center; min-height: 48px; margin: 0 0 var(--space-5); line-height: 1.2; }

/* 产品详情页的相关产品沿用首页目录卡的轻量层级，不改变卡片结构。 */
body:has(.sb-pd) .sb-cat-grid--3 .sb-card { border-radius: var(--radius-s); box-shadow: none; transform: none; }
body:has(.sb-pd) .sb-cat-grid--3 .sb-card:hover { border-color: var(--blue-500); box-shadow: var(--shadow-1); transform: translateY(-1px); }
body:has(.sb-pd) .sb-cat-grid--3 .sb-card__body { padding: var(--space-4); }
body:has(.sb-pd) .sb-cat-grid--3 .sb-card__body h3 { margin-bottom: var(--space-2); font-size: var(--text-md); }
body:has(.sb-pd) .sb-cat-grid--3 .sb-card__arrow { padding-top: var(--space-3); font-size: var(--text-sm); }

@media (max-width: 640px) {
  .sb-downloads--named li { align-items: stretch; flex-direction: column; gap: 10px; padding: 13px; }
  .sb-downloads__action { width: 100%; }
  .sb-downloads--cad { gap: 12px; }
  .sb-downloads--cad li { align-items: center; flex: 0 1 auto; flex-direction: row; width: auto; padding: 9px 10px 9px 13px; gap: 16px; }
  .sb-downloads--cad .sb-downloads__action { width: auto; }
}

@media (max-width: 380px) {
  .sb-downloads--cad li { align-items: stretch; flex-basis: 100%; flex-direction: column; }
  .sb-downloads--cad .sb-downloads__action { width: 100%; }
}

@media (min-width: 1024px) {
  .sb-pd { grid-template-columns: minmax(0, 47fr) minmax(0, 53fr); gap: var(--space-16); }
}

/* ---------- 真实媒体与数据组件（旧站素材启用后） ---------- */
.sb-media {
  display: block; width: 100%; height: auto;
  aspect-ratio: 4/3; object-fit: cover; object-position: center;
  background: var(--bg-gray);
}
.sb-media--hero { border-radius: var(--radius-m); filter: none; }
.sb-cat-grid--3 { gap: 20px; }

.sb-stats {
  display: flex; flex-wrap: wrap; gap: 28px; margin: 32px 0 0; padding: 0;
}
.sb-stats li { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.sb-stats strong { font-size: 24px; font-weight: 700; color: var(--navy-700); line-height: 1.2; }
.sb-stats span { font-size: 12px; color: var(--ink-400); }
.sb-stats--page { margin-top: 24px; }

.sb-partners {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0; padding: 0;
}
.sb-partners li {
  list-style: none; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 16px; min-height: 88px;
}
.sb-partners img {
  max-width: 100%; max-height: 56px; width: auto; height: auto;
  filter: grayscale(1); opacity: .75; transition: filter .16s ease-out, opacity .16s ease-out;
}
.sb-partners li:hover img { filter: none; opacity: 1; }

.sb-footer__slogan {
  font-size: 14px; font-weight: 500; color: var(--blue-300) !important;
  margin-bottom: 8px; letter-spacing: .08em;
}
.sb-footer__tel a { color: #fff; font-weight: 500; font-size: 15px; }
.sb-footer__tel a:hover { color: var(--blue-300); }
.sb-footer__icp { color: rgba(255,255,255,.45); font-size: 12px; }
.sb-footer__icp:hover { color: var(--blue-300); }

@media (min-width: 640px) {
  .sb-partners { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .sb-cat-grid--3 { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .sb-partners { grid-template-columns: repeat(6, 1fr); }
  .sb-contact-grid { grid-template-columns: 1.6fr 1fr; gap: 56px; align-items: start; }
  .sb-form__row { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   VI v2.0 第一阶段改版（REDESIGN_PLAN §7.1-7.3）
   斜切辅助图形：纯 CSS，轻量克制，作品牌识别不作主体（DESIGN_SYSTEM §12）
   ========================================================================== */

/* Header CTA（桌面端，Primary sm） */
.sb-header__cta {
  min-height: 34px; padding: 6px 15px; font-size: 13px; flex: 0 0 auto;
}
.sb-header__side { gap: 12px; }

/* Hero 基础定位 */
.sb-hero { position: relative; overflow: hidden; }
.sb-hero__grid { position: relative; z-index: 1; }

/* Featured 产品线卡：右上角亮蓝短斜条（卡片角标，轻量） */
.sb-card--feat { position: relative; }
.sb-card--feat::after {
  content: ""; position: absolute; top: 14px; right: 14px; z-index: 2;
  width: 26px; height: 4px;
  background: var(--blue-500); transform: skewX(-30deg);
}

/* ==========================================================================
   产品详情页 v1.2（PRODUCT_PAGE_STANDARD）：首屏摘要 / 特点 / 选型步骤 / FAQ / 微信弹层
   ========================================================================== */
.sb-pd__summary {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: var(--space-6) 0 0; padding: 0;
  background: #fff; border-top: 1px solid var(--line);
}
.sb-pd__summary li { list-style: none; display: flex; flex-direction: column; gap: 3px; padding: var(--space-3) var(--space-4) var(--space-3) 0; border-bottom: 1px solid var(--line); }
.sb-pd__summary li:nth-child(even) { padding-left: var(--space-4); border-left: 1px solid var(--line); }
.sb-pd__summary-label { font-size: var(--text-sm); font-weight: var(--font-weight-medium); color: var(--ink-400); }
.sb-pd__summary-value { font-size: var(--text-base); font-weight: var(--font-weight-semibold); line-height: 1.5; color: var(--ink-900); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

.sb-features { margin-top: var(--space-6); display: grid; gap: var(--space-3) var(--space-8); max-width: 900px; }
@media (min-width: 768px) { .sb-features { grid-template-columns: repeat(2, 1fr); } }
.sb-features li { position: relative; padding-left: 24px; font-size: var(--text-base); line-height: 1.7; color: var(--ink-600); list-style: none; }
.sb-features li::before {
  content: ""; position: absolute; left: 0; top: .52em;
  width: 12px; height: 3px; background: var(--blue-500); transform: skewX(-30deg);
}

.sb-steps { margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: step; }
.sb-steps li { list-style: none; display: flex; align-items: baseline; gap: 12px; font-size: var(--text-base); line-height: 1.7; color: var(--ink-600); }
.sb-steps li > span {
  flex: 0 0 auto; display: inline-grid; place-items: center;
  width: 22px; height: 22px; border: 1.5px solid var(--blue-500); border-radius: 50%;
  font-size: 12px; font-weight: 600; color: var(--blue-500); transform: translateY(3px);
}

.sb-faq { display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; background: #fff; }
.sb-faq details { border-bottom: 1px solid var(--line); }
.sb-faq details:last-child { border-bottom: 0; }
.sb-faq summary {
  padding: 16px 18px; font-size: var(--text-base); font-weight: var(--font-weight-medium); color: var(--ink-900); cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.sb-faq summary::-webkit-details-marker { display: none; }
.sb-faq summary::after {
  content: "+"; color: var(--blue-500); font-weight: 600; font-size: 16px; flex: 0 0 auto;
}
.sb-faq details[open] summary::after { content: "–"; }
.sb-faq details > div { padding: 0 18px 16px; font-size: var(--text-base); line-height: 1.7; color: var(--ink-600); max-width: 780px; }

.sb-dim-link { display: block; margin-bottom: 12px; }
.sb-dim-link img { width: min(100%, 720px); aspect-ratio: 4/3; object-fit: contain; border: 1px solid var(--line); border-radius: var(--radius-m); background: #fff; }
.sb-dim-link:hover img { border-color: var(--blue-400); }

.sb-wechat { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; background: rgba(10,26,51,.5); }
.sb-wechat[hidden] { display: none; }
.sb-wechat__box {
  position: relative; background: #fff; border-radius: var(--radius-m); box-shadow: var(--shadow-2);
  padding: 28px; text-align: center; max-width: 320px; margin: 20px;
}
.sb-wechat__box h3 { font-size: var(--heading-3); margin-bottom: 14px; }
.sb-wechat__box img { width: 220px; height: 220px; object-fit: contain; margin: 0 auto 12px; border: 1px solid var(--line); border-radius: var(--radius-s); }
.sb-wechat__id { font-size: 13px; color: var(--ink-600); margin-bottom: 6px; }
.sb-wechat__msg { font-size: 12px; color: var(--ink-400); }
.sb-wechat__close {
  position: absolute; top: 6px; right: 6px; width: 36px; height: 36px;
  font-size: 22px; color: var(--ink-400); border-radius: 50%;
}
.sb-wechat__close:hover { color: var(--ink-900); }

.sb-contact-wechat { display: flex; gap: 12px; align-items: center; margin-top: 6px; }
.sb-contact-wechat img { width: 120px; height: 120px; object-fit: contain; border: 1px solid var(--line); border-radius: var(--radius-s); background: #fff; }
.sb-contact-wechat span { font-size: 12px; color: var(--ink-400); max-width: 200px; }

/* ---------- 快速询价弹层（Quick Quote，与微信弹层共用交互逻辑） ---------- */
.sb-quote { position: fixed; inset: 0; z-index: 210; display: grid; place-items: center; background: rgba(10,26,51,.5); }
.sb-quote[hidden] { display: none; }
.sb-quote__box {
  position: relative; background: #fff; border-radius: var(--radius-m); box-shadow: var(--shadow-2);
  padding: 28px; width: min(440px, calc(100vw - 32px)); margin: 20px; max-height: calc(100vh - 48px);
  overflow-y: auto;
}
.sb-quote__box h3 { font-size: 18px; margin-bottom: 8px; color: var(--navy-700); }
.sb-quote__lead { font-size: 13px; color: var(--ink-600); margin-bottom: 4px; }
.sb-quote__product { font-size: 12px; color: var(--ink-400); margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.sb-quote__box form { display: grid; gap: 14px; }
.sb-quote__box .sb-field input, .sb-quote__box .sb-field textarea { width: 100%; font-size: 16px; }
.sb-quote__box .sb-field textarea { min-height: 84px; }
.sb-quote__err {
  font-size: 13px; color: #B42318; background: #FEF3F2; border: 1px solid #FECDCA;
  border-radius: var(--radius-s); padding: 10px 12px;
}
.sb-quote__privacy { font-size: 12px; color: var(--ink-400); text-align: center; margin: 0; }
.sb-quote__close {
  position: absolute; top: 6px; right: 6px; width: 36px; height: 36px;
  font-size: 22px; color: var(--ink-400); border-radius: 50%;
}
.sb-quote__close:hover { color: var(--ink-900); }
/* 蜜罐：真实用户不可见不可达 */
.sb-quote__hp { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; opacity: 0; }
/* 成功态 */
.sb-quote__done { text-align: center; padding: 16px 0 8px; }
.sb-quote__done-mark {
  width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 50%;
  display: grid; place-items: center; font-size: 24px; color: #fff; background: var(--blue-500);
}
.sb-quote__done-text { font-size: 15px; color: var(--navy-700); margin-bottom: 18px; }
@media (max-width: 767px) {
  .sb-quote__box { width: calc(100vw - 24px); margin: 12px; padding: 22px 18px; }
}

/* ---------- Footer 五区配置化（品牌/菜单组×N/联系/版权） ---------- */
.sb-container.sb-footer__grid { padding-top: 72px; padding-bottom: 56px; }
.sb-footer .sb-acc { border-bottom: 0; }
.sb-footer .sb-acc__btn {
  display: block; width: 100%; padding: 0; margin: 0 0 22px;
  background: none; border: 0; font: 600 15px/1.35 inherit; color: #fff;
  text-align: left; cursor: default; box-shadow: none;
}
.sb-footer .sb-footer__gtitle,
.sb-footer__contact h2 { position: relative; padding-left: 16px; }
.sb-footer .sb-footer__gtitle::before,
.sb-footer__contact h2::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 8px; height: 3px; background: var(--blue-500); transform: skewX(-30deg);
}
.sb-footer .sb-acc__btn::after { content: none; }
.sb-footer .sb-acc__btn:focus { outline: none; }
.sb-footer .sb-acc__panel { display: block; padding: 0; border-left: 0; }
.sb-footer .sb-footer__glinks a { display: block; padding: 5px 0; border-left: 0; background: none; }
.sb-footer__group--categories .sb-footer__glinks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px 28px; }
.sb-footer__contact p { font-size: 14px; margin: 0 0 11px; color: rgba(255,255,255,.72); }
.sb-footer__contact .sb-footer__co { color: #fff; font-size: 14px; margin-bottom: 18px; }
.sb-footer__shops a, .sb-footer__shops span { display: inline-block; margin: 0 14px 4px 0; font-size: 13px; }

@media (min-width: 768px) {
  .sb-footer__group--categories { padding-top: 3px; }
  .sb-footer__contact h2 { margin-top: 3px; }
}

@media (min-width: 1024px) {
  .sb-container.sb-footer__grid { padding-top: 8px; }
  .sb-footer__contact {
    margin-top: -8px;
    padding: 6px 28px 28px;
  }
}

@media (min-width: 1200px) {
  .sb-footer__group--categories .sb-footer__glinks { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 移动端底部固定操作栏（≤767；电话 | 微信 | 获取报价） ---------- */
.sb-mobilebar { display: none; }

@media (max-width: 767px) {
  .sb-section { padding: 44px 0; }
  .sb-section--tight { padding: 40px 0; }

  /* Footer：单栏 + 菜单组折叠（sb-acc 交互沿用，桌面平铺规则被本档覆写） */
  .sb-cta__inner { padding: 40px 0; }
  .sb-container.sb-footer__grid { grid-template-columns: 1fr; gap: 0; padding-top: 48px; padding-bottom: 36px; }
  .sb-footer .sb-acc__btn {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 0; margin: 0; font-size: 14px; color: #fff; cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,.14);
  }
  .sb-footer .sb-footer__gtitle { padding-left: 16px; }
  .sb-footer .sb-acc__btn::after { content: "+"; font-size: 18px; color: rgba(255,255,255,.55); }
  .sb-footer .sb-acc__btn[aria-expanded="true"]::after { content: "–"; }
  .sb-footer .sb-acc__panel { display: none; padding: 6px 0 16px; }
  .sb-footer__group--categories .sb-footer__glinks { grid-template-columns: 1fr; }
  .sb-footer .sb-footer__glinks a { padding: 8px 0; border-left: 0; font-size: 14px; }
  .sb-footer__brand { padding-bottom: 16px; }
  .sb-footer__contact { padding-top: 18px; }
  .sb-footer__contact p { line-height: 1.7; }
  .sb-footer__meta { grid-template-columns: 58px minmax(0, 1fr); }
  .sb-footer__bottom { grid-template-columns: 1fr; gap: 7px; text-align: left; }
  .sb-footer__bottom > :nth-child(2) { text-align: left; }
  .sb-footer__bottom > :last-child { justify-self: start; }

  /* 底部操作栏 */
  .sb-mobilebar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 150;
    display: grid; grid-template-columns: 1fr 1fr 1.4fr;
    background: #fff; border-top: 1px solid var(--line);
    box-shadow: 0 -4px 16px rgba(10,26,51,.08);
  }
  .sb-mobilebar a, .sb-mobilebar button {
    display: grid; place-items: center; min-height: 52px;
    font: 500 14px/1 inherit; color: var(--navy-700);
    background: none; border: 0; text-decoration: none; cursor: pointer;
  }
  .sb-mobilebar a:last-child, .sb-mobilebar button:last-child { background: var(--blue-500); color: #fff; }
  body { padding-bottom: 52px; }

  /* 触摸与输入体验 */
  .sb-btn { min-height: 44px; }
  .sb-field input, .sb-form select, .sb-form textarea { font-size: 16px; }

  /* 面包屑窄屏回落 */
  .sb-breadcrumb .sb-container { padding: 12px 20px; }

  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  h3 { font-size: 18px; }
  .sb-section__head h2, .sb-pd__h2 { font-size: 22px; }
  .sb-pd-hero { padding-top: var(--space-8); padding-bottom: var(--space-16); }
  .sb-pd { gap: var(--space-8); }
  .sb-media.sb-pd__main { padding: var(--space-4); }
  .sb-pd__info h1 { font-size: 28px; margin-bottom: var(--space-5); }
  .sb-pd__meta { margin-bottom: var(--space-5); }
  .sb-pd__short { font-size: var(--text-base); }
  .sb-pd__actions .sb-btn { flex: 1 1 calc(50% - 6px); padding-inline: 16px; }
  .sb-spec-table table { font-size: var(--text-base); }
  .sb-pd__h3 { font-size: 18px; }
}

@media (max-width: 420px) {
  .sb-pd__summary { grid-template-columns: 1fr; }
  .sb-pd__summary li:nth-child(even) { padding-left: 0; border-left: 0; }
}

/* Mega 菜单 1024–1199 视口收敛（不溢出） */
@media (min-width: 1024px) and (max-width: 1199px) {
  .sb-mega { width: min(520px, calc(100vw - 64px)); }
}
/* Contact 可配置条目 */
.sb-contact-items h3{margin:0 0 16px;font-size:18px}.sb-contact-items__list{display:grid;gap:10px}.sb-contact-item{display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px;padding:12px;background:var(--bg-gray);border-left:2px solid transparent}.sb-contact-item:hover{border-left-color:var(--blue-500)}.sb-contact-item__icon{width:24px;height:24px;border-radius:50%;background:var(--blue-100);position:relative}.sb-contact-item__icon:after{content:'•';position:absolute;inset:0;text-align:center;line-height:22px;color:var(--blue-500)}.sb-contact-item strong,.sb-contact-item span,.sb-contact-item a{display:block}.sb-contact-item strong{font-size:13px;margin-bottom:3px}.sb-contact-item a{color:var(--navy-700);text-decoration:none}.sb-contact-item__map{margin-top:5px;font-size:12px}.sb-contact-item img{margin-top:8px;border-radius:var(--radius-s)}.sb-form__notice.is-error{color:#b42318}.sb-hp{position:absolute!important;left:-9999px!important}@media(max-width:760px){.sb-contact-item{padding:11px}}

/* Built-in outline icons and a lighter, flat Contact item list. */
.sb-contact-items{background:#fff}
.sb-contact-items h3{margin-bottom:12px}
.sb-contact-items__list{gap:0;border-top:1px solid var(--line)}
.sb-contact-item{grid-template-columns:34px minmax(0,1fr);align-items:start;gap:12px;padding:15px 0;background:transparent;border:0;border-bottom:1px solid var(--line);transition:background-color .15s ease}
.sb-contact-item:hover{padding-left:8px;padding-right:8px;background:#f7fafc;border-left:0}
.sb-contact-item__icon{display:grid!important;place-items:center;width:32px;height:32px;border-radius:0;background:transparent;color:var(--blue-500)}
.sb-contact-item__icon:after{content:none}
.sb-contact-item__icon svg{display:block;width:22px;height:22px}
.sb-contact-item strong{margin:0 0 2px;color:var(--ink-800);font-size:13px;font-weight:var(--font-weight-semibold)}
.sb-contact-item a,.sb-contact-item>div>span{color:var(--navy-700);font-size:14px;line-height:1.55}
.sb-contact-item__secondary{margin-top:3px;font-size:12px!important;color:var(--ink-500)!important}
@media(max-width:760px){.sb-contact-item{padding:13px 0}.sb-contact-item:hover{padding-left:5px;padding-right:5px}}

/* Contact conversion layout: compact form left, sticky direct-contact rail right. */
.sb-contact-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,.82fr);grid-template-areas:"form direct";gap:32px;align-items:start;margin-top:0;padding-top:56px;padding-bottom:clamp(64px,8vw,104px)}
.sb-contact-workspace>.sb-contact-main{grid-area:form}
.sb-contact-workspace>.sb-contact-secondary{grid-area:direct}
.sb-contact-workspace>.sb-section{min-width:0;padding:0;background:transparent}
.sb-contact-main .sb-contact-form-card{max-width:none;margin:0;padding:28px 26px;border-top-width:2px;border-radius:2px;box-shadow:none}
.sb-contact-form-card__head{margin-bottom:22px;padding-bottom:18px}
.sb-contact-form-card__head h2{font-size:clamp(22px,2.2vw,28px)}
.sb-contact-form-card__head>p:last-child{margin-top:8px;font-size:var(--text-sm);line-height:1.65}
.sb-contact-form__section legend{margin-bottom:12px;font-size:var(--text-base)}
.sb-contact-workspace>.sb-contact-secondary{position:static}
.sb-contact-direct-column>.sb-section__head{margin-bottom:14px;padding:0 0 14px;background:transparent;border:0;border-bottom:1px solid var(--line)}
.sb-contact-direct-column>.sb-section__head h2{font-size:clamp(22px,2.2vw,28px)}
.sb-contact-secondary__grid{grid-template-columns:1fr;gap:12px}
.sb-contact-secondary__grid>.sb-contact-panel{padding:16px;border-radius:2px;box-shadow:none}
.sb-contact-secondary__grid>.sb-contact-panel dt{margin-top:12px}
.sb-contact-secondary__grid>.sb-contact-panel .sb-contact-note{margin-top:16px;padding-top:14px}
.sb-contact-secondary__grid>.sb-contact-items h3{margin-bottom:10px}
.sb-contact-secondary__grid>.sb-contact-items .sb-contact-item{padding:11px 0}
.sb-contact-secondary__grid>.sb-contact-items{grid-column:span 1}
.sb-contact-panel--wechat{position:sticky;top:94px;z-index:3;order:-1;grid-template-columns:minmax(0,1fr) 80px;gap:12px;padding-top:16px!important;padding-bottom:16px!important;background:#f7fbfe}
.sb-contact-panel--wechat h2{font-size:16px}
.sb-contact-panel--wechat>div>p:last-child{margin-top:5px;line-height:1.5}
.sb-contact-panel--wechat .sb-contact-wechat img{width:76px;height:76px}
@media(max-width:1100px){.sb-contact-workspace{grid-template-columns:minmax(0,1fr) minmax(350px,.8fr);gap:22px}.sb-contact-main .sb-contact-form-card{padding:24px 22px}}
@media(max-width:820px){.sb-contact-workspace{grid-template-columns:1fr;grid-template-areas:"direct" "form";gap:22px;padding-top:36px}.sb-contact-panel--wechat{position:static}.sb-contact-secondary__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.sb-contact-workspace{gap:18px;padding-top:28px;padding-bottom:64px}.sb-contact-secondary__grid{grid-template-columns:1fr}.sb-contact-direct-column>.sb-section__head{padding:0 0 12px}.sb-contact-main .sb-contact-form-card{padding:22px 18px}}

/* ========================================================================== 
   Precision Industrial refinement（2026-09-04）
   更克制的首页层级、产品决策导航与工程化内容节奏
   ========================================================================== */
/* Homepage: reference artwork reconstruction; dynamic content remains unchanged. */
.home-page .sb-hero { min-height: 450px; padding: 34px 0 0; background: #F0F2F3; }
.home-page .sb-hero__grid { grid-template-columns: minmax(0, 38fr) minmax(0, 62fr); align-items: stretch; gap: 20px; min-height: 0; }
.home-page .sb-hero__copy { position: relative; z-index: 2; align-self: stretch; box-sizing: border-box; max-width: 470px; height: auto; }
.home-page .sb-hero__copy > .sb-eyebrow { margin-bottom: 10px; color: var(--eyebrow-color); font-size: 14px; font-weight: var(--eyebrow-weight); line-height: var(--eyebrow-line-height); letter-spacing: var(--eyebrow-spacing); text-transform: none; }
.home-page .sb-hero__copy h1 { font-size: clamp(42px, 3.3vw, 46px); font-weight: 700; line-height: 1.14; letter-spacing: -.035em; }
.home-page .sb-hero__lead { max-width: 450px; margin-top: 16px; color: var(--ink-600); font-size: 15px; line-height: 1.7; }
.home-page .sb-hero__actions { gap: 11px; margin-top: 20px; }
.home-page .sb-hero__actions .sb-btn { min-height: 36px; padding: 7px 18px; font-size: 13px; }
.home-page .sb-hero__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 25px 0 0; }
.home-page .sb-hero__stats li { padding: 0 15px; border-left: 1px solid rgba(130,150,173,.45); }
.home-page .sb-hero__stats li:first-child { padding-left: 0; border-left: 0; }
.home-page .sb-hero__stats strong { font-size: 23px; font-weight: 700; }
.home-page .sb-hero__stats span { margin-top: 3px; color: var(--ink-400); font-size: 12px; font-weight: 400; }
.home-page .sb-hero__visual { position: relative; z-index: 1; align-self: stretch; box-sizing: border-box; min-width: 0; height: auto; overflow: hidden; }
.home-page .sb-media--hero { display: block; width: 100%; height: 100%; margin: 0; aspect-ratio: auto !important; object-fit: cover; object-position: center; background: transparent; border-radius: 0; box-shadow: none; filter: none; -webkit-mask-image: none; mask-image: none; mix-blend-mode: normal; }

.home-page .sb-home-section { padding: 52px 0; }
.home-page .sb-home-section.sb-section--tight { padding: 44px 0; }
.home-page .sb-section__head { align-items: center; margin-bottom: var(--section-head-margin); }
.home-page .sb-section__titleline { display: flex; align-items: baseline; gap: 16px; min-width: 0; }
.home-page .sb-section__titleline h2 { flex: 0 0 auto; font-size: 25px; }
.home-page .sb-section__titleline p { color: var(--ink-400); font-size: 12px; }
.home-page .sb-cat-grid--home { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.home-page .sb-cat-grid--home .sb-card { min-height: 0; border: 1px solid var(--line); border-radius: 4px; box-shadow: none; }
.home-page .sb-cat-grid--home .sb-card:hover { border-color: var(--blue-500); box-shadow: none; transform: none; }
.home-page .sb-cat-grid--home .sb-media,
.home-page .sb-cat-grid--home .sb-ph { width: 100%; height: auto; aspect-ratio: 1 / 1 !important; background: #F5F6F7; border: 0; border-radius: 0; }
.home-page .sb-cat-grid--home .sb-media { object-fit: contain; padding: 3%; transform: scale(1.08); transform-origin: center; }
.home-page .sb-cat-grid--home .sb-ph > span { display: none; }
.home-page .sb-cat-grid--home .sb-card__body { display: flex; min-height: 46px; padding: 9px 12px; align-items: center; justify-content: center; background: #fff; text-align: center; }
.home-page .sb-cat-grid--home .sb-card__body h3 { margin: 0; color: var(--navy-700); font-size: 15px; font-weight: 600; line-height: 1.35; text-align: center; }
.home-page .sb-home-featured { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); }
.home-page .sb-home-featured__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.home-page .sb-home-featured__head h3 { font-size: 17px; }
.home-page .sb-home-featured__head span { color: var(--ink-400); font-size: 11px; }
.home-page .sb-feat-grid--home { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.home-page .sb-feat-grid--home .sb-card { display: flex; border-radius: 4px; }
.home-page .sb-feat-grid--home .sb-media,
.home-page .sb-feat-grid--home .sb-ph { width: 100%; height: auto; aspect-ratio: 1 / 1 !important; background: #F3F5F7; border: 0; border-radius: 0; }
.home-page .sb-feat-grid--home .sb-media { object-fit: contain; padding: 4%; transform: scale(1.08); transform-origin: center; }
.home-page .sb-feat-grid--home .sb-ph > span { display: none; }
.home-page .sb-feat-grid--home .sb-card__body { min-width: 0; padding: 11px; }
.home-page .sb-feat-grid--home .sb-card__body h3 { font-size: 14px; }
.home-page .sb-feat-grid--home .sb-card__body p { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 11px; }
.home-page .sb-feat-grid--home .sb-card__arrow { padding-top: 5px; }
.home-page .sb-home-section--featured .sb-card { border-radius: 4px; }
.home-page .sb-home-section--featured .sb-media,
.home-page .sb-home-section--featured .sb-ph { width: 100%; height: auto; aspect-ratio: 1 / 1 !important; background: #F3F5F7; border: 0; border-radius: 0; }
.home-page .sb-home-section--featured .sb-media { object-fit: contain; padding: 4%; transform: scale(1.08); transform-origin: center; }
.home-page .sb-home-section--featured .sb-ph > span { display: none; }

.home-page .sb-home-section--why { padding: 16px 0; background: #F1F4F7; }
.home-page .sb-home-section--why .sb-why-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.home-page .sb-home-section--why .sb-why { display: grid; grid-template-columns: 44px minmax(0, 1fr); grid-template-rows: auto auto; align-items: center; min-height: 62px; padding: 0 22px; border: 0; border-left: 1px solid var(--line-strong); }
.home-page .sb-home-section--why .sb-why:first-child { padding-left: 0; border-left: 0; }
.home-page .sb-home-section--why .sb-why__icon { grid-row: 1 / 3; width: 34px; height: 34px; margin: 0; background: transparent; }
.home-page .sb-home-section--why .sb-why__icon svg { width: 30px; height: 30px; }
.home-page .sb-home-section--why .sb-why h3 { margin: 0; font-size: 15px; }
.home-page .sb-home-section--why .sb-why p { overflow: hidden; font-size: 11px; line-height: 1.4; white-space: nowrap; text-overflow: ellipsis; }

.home-page .sb-home-section--applications .sb-app-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.home-page .sb-home-section--applications .sb-app { position: relative; overflow: hidden; aspect-ratio: 16 / 8.7; border: 0; background: var(--navy-700); }
.home-page .sb-home-section--applications .sb-app .sb-media,
.home-page .sb-home-section--applications .sb-app .sb-ph { width: 100%; height: 100%; aspect-ratio: auto !important; object-fit: cover; transition: transform .2s ease-out, opacity .2s ease-out; }
.home-page .sb-home-section--applications .sb-app:hover .sb-media { transform: scale(1.025); opacity: .84; }
.home-page .sb-home-section--applications .sb-app__body { position: absolute; inset: auto 0 0; padding: 30px 12px 10px; background: linear-gradient(transparent, rgba(0,27,73,.9)); }
.home-page .sb-home-section--applications .sb-app__body h3 { margin: 0; color: #fff; font-size: 15px; }
.home-page .sb-home-section--applications .sb-app__body p { overflow: hidden; color: rgba(255,255,255,.72); font-size: 10px; line-height: 1.35; white-space: nowrap; text-overflow: ellipsis; }
.home-page .sb-home-section--applications .sb-app__body span { position: absolute; right: 12px; bottom: 10px; color: #fff; font-size: 0; }
.home-page .sb-home-section--applications .sb-app__body span::after { content: "→"; font-size: 15px; }

.home-page .sb-home-story { display: grid; gap: 30px; align-items: center; }
.home-page .sb-home-story__media { display: grid; grid-template-columns: minmax(0, 64fr) minmax(0, 36fr); align-items: stretch; box-sizing: border-box; gap: 8px; height: 300px; padding: 0; overflow: hidden; }
.home-page .sb-home-story__main, .home-page .sb-home-story__secondary { box-sizing: border-box; min-width: 0; min-height: 0; height: 100%; margin: 0; padding: 0; }
.home-page .sb-home-story__main, .home-page .sb-home-story__detail { position: relative; overflow: hidden; box-sizing: border-box; min-height: 0; background: #F3F5F7; border-radius: 2px; }
.home-page .sb-home-story__main .sb-media,
.home-page .sb-home-story__detail .sb-media { position: static; display: block; width: 100%; max-width: none; height: 100%; margin: 0; padding: 0; border: 0; aspect-ratio: auto !important; object-fit: cover; vertical-align: top; }
.home-page .sb-home-story__secondary { position: static; display: grid; grid-template-rows: repeat(2, minmax(0, 1fr)); align-items: stretch; gap: 8px; width: auto; border: 0; }
.home-page .sb-home-story__copy h2 { margin-bottom: 10px; font-size: clamp(27px, 2.4vw, 34px); }
.home-page .sb-home-story__copy > p:not(.sb-eyebrow) { display: -webkit-box; overflow: hidden; font-size: 13px; line-height: 1.7; -webkit-line-clamp: 4; -webkit-box-orient: vertical; }
.home-page .sb-home-story__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 16px 0; padding: 13px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.home-page .sb-home-story__stats li { padding: 0 12px; border-left: 1px solid var(--line); }
.home-page .sb-home-story__stats li:first-child { padding-left: 0; border-left: 0; }
.home-page .sb-home-story__stats strong { font-size: 18px; }
.home-page .sb-home-story__stats span { font-size: 10px; }

.home-page .sb-home-section--partners { padding: 24px 0; }
.home-page .sb-home-section--partners > .sb-container { display: grid; grid-template-columns: 180px minmax(0, 1fr); align-items: center; gap: 22px; }
.home-page .sb-home-section--partners .sb-section__head { margin: 0; }
.home-page .sb-home-section--partners .sb-section__titleline { display: block; }
.home-page .sb-home-section--partners .sb-section__titleline h2 { font-size: 20px; }
.home-page .sb-home-section--partners .sb-section__titleline p { margin-top: 4px; }
.home-page .sb-home-section--partners .sb-partners { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; }
.home-page .sb-home-section--partners .sb-partners li { min-height: 58px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 0; }
.home-page .sb-home-section--partners .sb-partners img { max-height: 34px; }

.home-page .sb-home-section--resources .sb-res-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.home-page .sb-home-section--resources .sb-res { position: relative; min-width: 0; min-height: 96px; padding: 15px 42px 14px 16px; border: 1px solid var(--line); border-radius: 0; box-shadow: none; }
.home-page .sb-home-section--resources .sb-res::after { content: "→"; position: absolute; right: 16px; top: 16px; color: var(--blue-500); }
.home-page .sb-home-section--resources .sb-res h3 { margin-bottom: 4px; font-size: 15px; }
.home-page .sb-home-section--resources .sb-res p { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.home-page .sb-home-section--resources .sb-res > span { display: none; }

.home-page .sb-cta { position: relative; overflow: hidden; border: 0; background: var(--navy-700); }
.home-page .sb-cta__inner { min-height: 92px; padding-top: 18px; padding-bottom: 18px; }
.home-page .sb-cta h2 { color: #fff; font-size: 24px; }
.home-page .sb-cta p { margin-top: 2px; color: rgba(255,255,255,.8); font-size: 13px; }
.home-page .sb-cta .sb-btn { position: relative; z-index: 1; min-height: 36px; padding: 7px 24px; border-color: #fff; background: #fff; color: var(--navy-700); font-size: 13px; }

@media (min-width: 1024px) {
  .home-page .sb-home-story { grid-template-columns: minmax(0, 58fr) minmax(0, 42fr); }
  .home-page .sb-footer__grid { grid-template-columns: minmax(180px, .8fr) minmax(360px, 1.7fr) minmax(260px, 1fr); gap: 34px; padding-top: 34px; padding-bottom: 28px; }
  .home-page .sb-footer__menus { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 26px; }
  .home-page .sb-footer__contact { padding: 0; margin: 0; background: transparent; border-top: 0; }
  .home-page .sb-footer__grid h2, .home-page .sb-footer .sb-footer__gtitle { margin-bottom: 12px; }
  .home-page .sb-footer__grid a { padding: 3px 0; font-size: 12px; }
  .home-page .sb-footer__brand > p, .home-page .sb-footer__contact p { font-size: 12px; }
  .home-page .sb-footer__contact p { margin-bottom: 6px; line-height: 1.55; }
  .home-page .sb-container.sb-footer__bottom { padding-top: 13px; padding-bottom: 13px; }
}

.sb-pd-hero { background: linear-gradient(180deg, #fff 0%, #FBFCFE 100%); }
.sb-pd__info { padding-top: var(--space-2); }
.sb-pd__info h1 { max-width: 700px; color: var(--navy-900); }
.sb-pd__meta { padding: var(--space-4) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sb-pd__summary { border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; }
.sb-pd__summary li { padding: var(--space-3) var(--space-4); background: #fff; }
.sb-pd__summary li:nth-child(even) { padding-left: var(--space-4); }
.sb-pd__summary-value { font-size: var(--text-md); }
.sb-pd__actions .sb-btn { min-width: 148px; }

.sb-pd-jump {
  position: sticky;
  top: 76px;
  z-index: 80;
  background: rgba(255,255,255,.96);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.sb-pd-jump__inner { display: flex; align-items: stretch; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.sb-pd-jump__inner::-webkit-scrollbar { display: none; }
.sb-pd-jump a,
.sb-pd-jump button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 50px;
  padding: 0 16px;
  color: var(--ink-600);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
}
.sb-pd-jump a:hover { color: var(--blue-500); }
.sb-pd-jump a.is-active { color: var(--navy-700); font-weight: var(--font-weight-semibold); box-shadow: inset 0 -2px var(--blue-500); }
.sb-pd-jump button { margin-left: auto; color: var(--blue-500); font-weight: var(--font-weight-semibold); }
.sb-pd-jump button::after { content: "→"; margin-left: 6px; }
#product-overview, #specifications, #drawings, #downloads, #faq { scroll-margin-top: 142px; }

@media (min-width: 1024px) {
  .sb-pd__gallery { position: sticky; top: 150px; }
  .sb-pd__info h1 { font-size: clamp(40px, 3.5vw, 48px); }
  .sb-cat-grid--3 { gap: 28px; }
  .sb-home-section--categories .sb-cat-grid--3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .home-page .sb-hero { min-height: 430px; padding-top: 30px; }
  .home-page .sb-hero__grid { grid-template-columns: minmax(0, 42fr) minmax(0, 58fr); gap: 20px; min-height: 400px; }
  .home-page .sb-hero__copy h1 { font-size: clamp(34px, 4.6vw, 42px); }
  .home-page .sb-hero__visual { height: 400px; }
  .home-page .sb-cat-grid--home { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .home-page .sb-feat-grid--home { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-page .sb-home-section--applications .sb-app-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-page .sb-home-story__media { height: 300px; }
  .home-page .sb-home-section--partners > .sb-container { grid-template-columns: 150px minmax(0, 1fr); }
  .home-page .sb-home-section--partners .sb-partners { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
  .sb-container { --container-gutter: 20px; }
  .sb-pd-hero { padding-top: 56px; padding-bottom: 72px; }
}

@media (max-width: 767px) {
  .sb-header__bar { height: 72px; }
  .sb-brand__img { width: 136px; }
  .sb-hero { padding-top: 48px; }
  .home-page .sb-hero { min-height: auto; padding-top: 34px; background: #fff; }
  .home-page .sb-hero__grid { grid-template-columns: 1fr; gap: 20px; min-height: 0; }
  .sb-hero__copy h1 { font-size: clamp(34px, 10vw, 40px); line-height: 1.12; }
  .sb-hero__lead { margin-top: 18px; font-size: 16px; line-height: 1.75; }
  .sb-hero__actions { margin-top: 24px; }
  .sb-hero__actions .sb-btn { flex: 1 1 100%; }
  .home-page .sb-hero__visual { height: 260px; padding: 0; }
  .home-page .sb-hero__stats { margin-top: 20px; }
  .home-page .sb-hero__stats li { padding: 0 9px; }
  .home-page .sb-hero__stats strong { font-size: 18px; white-space: nowrap; }
  .home-page .sb-home-section { padding: 44px 0; }
  .home-page .sb-home-section.sb-section--tight { padding: 40px 0; }
  .home-page .sb-section__head { align-items: flex-start; margin-bottom: var(--space-4); }
  .home-page .sb-section__titleline { align-items: flex-start; flex-direction: column; gap: 2px; }
  .home-page .sb-cat-grid--home { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .home-page .sb-cat-grid--home .sb-card__body { padding: 13px; }
  .home-page .sb-home-featured { margin-top: 32px; padding-top: 24px; }
  .home-page .sb-home-featured__head { align-items: flex-start; flex-direction: column; gap: 3px; }
  .home-page .sb-feat-grid--home { grid-template-columns: 1fr; gap: 12px; }
  .home-page .sb-home-section--why { padding: 18px 0; }
  .home-page .sb-home-section--why .sb-why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 0; }
  .home-page .sb-home-section--why .sb-why { display: grid; min-height: 0; padding: 0 12px; }
  .home-page .sb-home-section--why .sb-why:nth-child(odd) { padding-left: 0; border-left: 0; }
  .home-page .sb-home-section--applications .sb-app-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .home-page .sb-home-section--applications .sb-app { min-height: 0; }
  .home-page .sb-home-section--applications .sb-app__body { padding: 32px 12px 12px; }
  .home-page .sb-home-section--applications .sb-app__body h3 { font-size: 15px; }
  .home-page .sb-home-story { gap: 28px; }
  .home-page .sb-home-story__media { height: 230px; padding: 0; }
  .home-page .sb-home-story__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .home-page .sb-home-story__stats strong { font-size: 18px; }
  .home-page .sb-home-section--partners > .sb-container { display: grid; grid-template-columns: 1fr; gap: 14px; }
  .home-page .sb-home-section--partners .sb-partners { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-page .sb-home-section--resources .sb-res-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .home-page .sb-home-section--resources .sb-res { min-height: 0; }
  .home-page .sb-cta__inner { min-height: 0; padding: 24px 20px; }
  .sb-card__body { padding: 20px; }
  .sb-pd-jump { top: 72px; }
  .sb-pd-jump__inner { padding-left: 12px; padding-right: 12px; }
  .sb-pd-jump a, .sb-pd-jump button { min-height: 46px; padding: 0 12px; }
  .sb-pd-jump button { margin-left: 0; }
  .sb-pd-section-head { align-items: flex-start; }
  .sb-pd-section-head > span { display: none; }
  .sb-pd__thumb { flex-basis: 64px; width: 64px; height: 64px; }
  #product-overview, #specifications, #drawings, #downloads, #faq { scroll-margin-top: 126px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* 产品详情页参数区：减少参数说明、分组标题与表格之间的空白。 */
#specifications.sb-section--tight { padding-top: 34px; padding-bottom: 42px; }
#specifications .sb-pd-section-head { margin-bottom: 14px; }
#specifications .sb-pd-section-head .sb-pd__h2 { margin-bottom: 3px; }
#specifications .sb-spec-group { margin-top: 18px; }
#specifications .sb-spec-group + .sb-spec-group { margin-top: 28px; }
#specifications .sb-pd__h3 { margin: 0; font-size: 18px; line-height: 1.35; }
#specifications .sb-spec-table-title { margin: 0 0 24px; }
#specifications .sb-spec-table + .sb-spec-table-title { margin-top: 24px; }
#specifications .sb-spec-table + .sb-spec-table { margin-top: 24px; }
#specifications .sb-spec-table { box-shadow: none; }
#specifications .sb-spec-table--kv table { font-size: 14px; line-height: 1.45; }
#specifications .sb-spec-table--kv td { font-weight: var(--font-weight-medium); }
#specifications .sb-spec-table th,
#specifications .sb-spec-table td { padding: 8px 14px; }
#specifications .sb-spec-table--matrix tbody tr { height: 42px; }
@media (min-width: 900px) {
  #specifications.sb-section--tight { padding-top: 34px; padding-bottom: 42px; }
  #specifications .sb-spec-table--matrix { overflow-x: visible; }
  #specifications .sb-spec-table--matrix table {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
    font-size: 13px;
  }
  #specifications .sb-spec-table--matrix th,
  #specifications .sb-spec-table--matrix td {
    min-width: 0 !important;
    padding: 7px 6px;
  }
  #specifications .sb-spec-table--matrix thead th {
    white-space: normal;
    line-height: 1.25;
  }
  #specifications .sb-spec-table--matrix .sb-spec__head {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    white-space: normal;
  }
  #specifications .sb-spec-table--matrix .sb-spec__unit {
    display: block;
    flex-basis: 100%;
    margin-top: 2px;
  }
  #specifications .sb-spec-table--matrix thead th.sb-spec__model,
  #specifications .sb-spec-table--matrix td.sb-spec__model {
    width: 108px;
    min-width: 108px !important;
  }
}
@media (max-width: 767px) {
  #specifications.sb-section--tight { padding-top: 26px; padding-bottom: 32px; }
  #specifications .sb-spec-group { margin-top: 16px; }
  #specifications .sb-spec-group + .sb-spec-group { margin-top: 24px; }
  #specifications .sb-pd__h3 { font-size: 17px; }
  #specifications .sb-spec-table--kv table { font-size: 13px; }
  #specifications .sb-spec-table th,
  #specifications .sb-spec-table td { padding: 8px 10px; }
  #specifications .sb-spec-table--matrix table { min-width: max-content; }
  #specifications .sb-spec-table--matrix thead th { min-width: 96px; }
  #specifications .sb-spec-table--matrix thead th.sb-spec__model,
  #specifications .sb-spec-table--matrix td.sb-spec__model { min-width: 116px; }
}