/* ==========================================================================
   JIANGZHIXIN FENCE — Global Stylesheet
   File: css/style.css   (唯一样式文件，所有页面统一引用)
   --------------------------------------------------------------------------
   TOC
   01. Design tokens & reset
   02. Layout helpers / grid
   03. Typography
   04. Buttons / badges / chips
   05. Icons (inline SVG sprite — 无图标字体，彻底规避 "方块/豆腐块" 问题)
   06. Header / topbar / navigation (右侧导航强制不换行)
   07. Right floating dock
   08. Hero carousel
   09. Sections / cards / stats / steps
   10. Tables / spec lists / definition lists
   11. Breadcrumb / pagination / filters
   12. FAQ accordion
   13. Article & page content typography
   14. Sidebar / widgets
   15. Forms
   16. Footer
   17. Responsive
   18. Utilities / print / a11y
   ========================================================================== */

/* ---------- 01. Design tokens & reset ---------------------------------- */
:root {
  --ink:        #0E1B2A;
  --ink-2:      #1B2E44;
  --ink-3:      #25405C;
  --steel:      #3E556E;
  --gold:       #C9A227;
  --gold-2:     #E0B93F;
  --gold-soft:  #F6EFDC;

  --bg:         #FFFFFF;
  --bg-2:       #F5F7F9;
  --bg-3:       #EDF1F5;
  --line:       #E2E8EF;
  --line-2:     #D3DCE6;

  --text:       #1E2A38;
  --muted:      #5A6B7D;
  --muted-2:    #7B8A99;
  --ok:         #1E8E5A;
  --warn:       #B3541E;

  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Manrope", "Inter", "Segoe UI", system-ui, sans-serif;

  --w: 1220px;
  --r-sm: 4px;
  --r: 8px;
  --r-lg: 14px;
  --shadow-1: 0 1px 2px rgba(14,27,42,.06), 0 4px 14px rgba(14,27,42,.06);
  --shadow-2: 0 8px 24px rgba(14,27,42,.10), 0 2px 6px rgba(14,27,42,.06);
  --shadow-3: 0 18px 48px rgba(14,27,42,.16);
  --nav-h: 68px;
  --ease: cubic-bezier(.22,.61,.36,1);

  /* 面包屑分隔符（CSS mask，非字体字符，避免方块） */
  --m-chev: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E");
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: var(--ink-3); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--gold); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .6em; font-family: var(--font-display); font-weight: 800; line-height: 1.22; letter-spacing: -.015em; color: var(--ink); text-wrap: balance; }
p { margin: 0 0 1em; text-wrap: pretty; }
button, input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 3px; }

/* ---------- 02. Layout helpers / grid ---------------------------------- */
.container { width: 100%; max-width: var(--w); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 900px; }
.container--faq { max-width: 1150px; }
.section { padding: 88px 0; }
.section--tight { padding: 60px 0; }
.section--alt { background: var(--bg-2); }
.section--dark { background: var(--ink); color: #DCE4ED; }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark p, .section--dark li { color: #C3CFDB; }
.section--line { border-top: 1px solid var(--line); }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.layout { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 44px; align-items: start; }
.layout--left { grid-template-columns: 280px minmax(0,1fr); }
.layout--full { display: block; }

.sec-head { max-width: 780px; margin: 0 auto 48px; text-align: center; }
.sec-head--left { margin-left: 0; text-align: left; }
.sec-head h2 { font-size: clamp(26px, 3vw, 38px); margin-bottom: 12px; }
.sec-head p { color: var(--muted); font-size: 17px; margin: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--gold); display: inline-block; }

/* ---------- 03. Typography --------------------------------------------- */
.h1 { font-size: clamp(30px, 4.2vw, 52px); }
.h2 { font-size: clamp(24px, 2.6vw, 34px); }
.h3 { font-size: clamp(19px, 1.8vw, 23px); }
.lead { font-size: 18px; color: var(--muted); line-height: 1.75; }
.small { font-size: 13.5px; color: var(--muted); }
.text-gold { color: var(--gold); }
.center { text-align: center; }
.nowrap { white-space: nowrap; }

/* ---------- 04. Buttons / badges / chips -------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border: 1px solid transparent; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 700; letter-spacing: .01em; cursor: pointer;
  white-space: nowrap; text-align: center;
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
}
.btn .ic { font-size: 18px; }
.btn--gold { background: var(--gold); color: #fff; }
.btn--gold:hover { background: var(--gold-2); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-2); }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--ink-3); color: #fff; transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); background: #fff; }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--ink); color: #fff; }
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--block { display: flex; width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 999px; font-size: 12px; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase; background: var(--bg-3); color: var(--steel);
}
.badge--gold { background: var(--gold-soft); color: #8A6A0C; }
.badge--ok { background: #E6F3EC; color: var(--ok); }
.badge--white { background: rgba(255,255,255,.14); color: #fff; }

.chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px;
  border: 1px solid var(--line-2); border-radius: 999px; background: #fff;
  font-size: 14px; font-weight: 600; color: var(--steel); white-space: nowrap; cursor: pointer;
  transition: all .2s var(--ease);
}
.chip:hover, .chip.is-active { border-color: var(--ink); color: var(--ink); background: var(--ink); color: #fff; }
.chip.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- 05. Icons ---------------------------------------------------- */
/* 图标采用内联 SVG sprite（<use href="#i-xxx">），不依赖任何图标字体/WebFont，
   因此不会出现 "□ 方块 / 豆腐块"。无网络请求、离线可用、颜色随 currentColor。 */
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ic {
  width: 1em; height: 1em; display: inline-block; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.75;
  stroke-linecap: round; stroke-linejoin: round;
  vertical-align: -.14em;
}
.ic--fill { fill: currentColor; stroke: none; }
.ic--lg { font-size: 28px; }
.ic--xl { font-size: 40px; }

/* ---------- 06. Header / topbar / navigation ---------------------------- */
.topbar { background: var(--ink); color: #B9C6D4; font-size: 13.5px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 40px; flex-wrap: nowrap; }
.topbar-list { display: flex; align-items: center; gap: 22px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.topbar-list::-webkit-scrollbar { display: none; }
.topbar a { color: #CBD6E2; white-space: nowrap; display: inline-flex; align-items: center; gap: 7px; }
.topbar a:hover { color: var(--gold-2); }
.topbar .ic { font-size: 15px; opacity: .9; }
.topbar-right { display: flex; align-items: center; gap: 16px; flex-wrap: nowrap; }
.lang { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.lang select { background: transparent; border: 0; color: #CBD6E2; font-size: 13.5px; padding: 2px; cursor: pointer; }
.lang select option { color: #1E2A38; }

.header { position: sticky; top: 0; z-index: 90; background: #fff; border-bottom: 1px solid var(--line); }
.header__inner { display: flex; align-items: center; gap: 26px; min-height: var(--nav-h); }
.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo__mark {
  width: 42px; height: 42px; flex: none; border-radius: 6px; background: var(--ink);
  display: grid; place-items: center; color: var(--gold); font-size: 24px;
}
.logo__text { display: flex; flex-direction: column; line-height: 1.15; }
.logo__name { font-family: var(--font-display); font-weight: 800; font-size: 17px; color: var(--ink); letter-spacing: .01em; white-space: nowrap; }
.logo__sub { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted-2); white-space: nowrap; }

/* 右侧主导航：强制不换行 */
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: nowrap; }
.nav__list { display: flex; align-items: center; gap: 2px; flex-wrap: nowrap; white-space: nowrap; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 600; color: var(--ink);
  white-space: nowrap;                /* ★ 导航文字永不换行 */
  overflow: hidden; text-overflow: ellipsis;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav__link:hover { background: var(--bg-3); color: var(--ink-3); }
.nav__link.is-active { color: var(--gold); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px; background: var(--gold); border-radius: 2px;
}
.nav__link .ic { font-size: 14px; opacity: .55; }

/* 下拉菜单 */
.nav__drop {
  position: absolute; top: 100%; left: 0; min-width: 260px; z-index: 20;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--shadow-2); padding: 10px; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: all .2s var(--ease);
}
.nav__item:hover .nav__drop, .nav__item:focus-within .nav__drop { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__drop a {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: var(--r-sm);
  font-size: 14.5px; font-weight: 500; color: var(--text); white-space: nowrap;
}
.nav__drop a:hover { background: var(--bg-2); color: var(--ink-3); }
.nav__drop a .ic { font-size: 16px; color: var(--gold); }
.nav__drop-title { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); padding: 6px 12px 8px; font-weight: 700; }

.header__cta { display: flex; align-items: center; gap: 12px; flex: none; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line-2); background: #fff; border-radius: var(--r-sm); cursor: pointer; color: var(--ink); place-items: center; }
.nav-toggle .ic { font-size: 22px; }

/* ---------- 07. Right floating dock ------------------------------------- */
.dock { position: fixed; right: 14px; top: 50%; transform: translateY(-50%); z-index: 80; display: flex; flex-direction: column; gap: 8px; }
.dock__btn {
  width: 52px; min-height: 52px; border-radius: 10px; border: 1px solid var(--line);
  background: #fff; box-shadow: var(--shadow-1); color: var(--ink-3);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  cursor: pointer; transition: all .22s var(--ease);
}
.dock__btn:hover { background: var(--ink); color: #fff; border-color: var(--ink); transform: translateX(-2px); }
.dock__btn .ic { font-size: 20px; }
.dock__label { font-size: 10px; font-weight: 700; letter-spacing: .02em; white-space: nowrap; /* ★ 右侧导航文字不换行 */ line-height: 1.1; }
.dock__btn--gold { background: var(--gold); color: #fff; border-color: var(--gold); }
.dock__btn--gold:hover { background: var(--ink); }

/* ---------- 08. Hero carousel ------------------------------------------- */
.hero { position: relative; height: clamp(560px, 82vh, 720px); background: var(--ink); overflow: hidden; }
.hero__slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .8s var(--ease);
  display: flex; align-items: center;
}
.hero__slide.is-active { opacity: 1; }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(9,18,29,.93) 0%, rgba(9,18,29,.78) 45%, rgba(9,18,29,.35) 100%); }
.hero__inner { position: relative; z-index: 2; width: 100%; max-width: var(--w); margin: 0 auto; padding: 0 24px; }
.hero__content { max-width: 660px; color: #fff; }
.hero__content .hero__title { color: #fff; font-size: clamp(30px, 4.4vw, 54px); margin-bottom: 18px; line-height: 1.1; }
.hero__content .hero__title span { color: var(--gold-2); }
.hero__content p { font-size: 18px; color: #CFDAE6; margin-bottom: 28px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.hero__bullets { display: grid; gap: 10px; margin: 26px 0 0; }
.hero__bullets li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: #D7E0EA; }
.hero__bullets .ic { color: var(--gold-2); font-size: 18px; margin-top: 3px; }

.hero__ctrl { position: absolute; z-index: 5; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.10); color: #fff; display: grid; place-items: center; cursor: pointer; backdrop-filter: blur(4px); transition: all .2s var(--ease); }
.hero__ctrl:hover { background: var(--gold); border-color: var(--gold); }
.hero__ctrl .ic { font-size: 22px; }
.hero__ctrl--prev { left: 22px; }
.hero__ctrl--next { right: 22px; }
.hero__dots { position: absolute; z-index: 5; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.hero__dot { width: 30px; height: 4px; border: 0; border-radius: 3px; background: rgba(255,255,255,.35); cursor: pointer; padding: 0; transition: all .25s var(--ease); }
.hero__dot.is-active { background: var(--gold); width: 52px; }

/* ---------- 09. Sections / cards / stats / steps ------------------------- */
.strip { background: var(--ink); color: #fff; padding: 34px 0; }
.strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.strip__item { display: flex; align-items: center; gap: 16px; }
.strip__item .ic { font-size: 34px; color: var(--gold); }
.strip__num { font-family: var(--font-display); font-size: 30px; font-weight: 800; line-height: 1.1; color: #fff; }
.strip__label { font-size: 13px; color: #A9B8C7; letter-spacing: .02em; }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 28px; box-shadow: var(--shadow-1); transition: all .28s var(--ease); height: 100%; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--line-2); }
.card__icon { width: 52px; height: 52px; border-radius: 10px; background: var(--gold-soft); color: #8A6A0C; display: grid; place-items: center; margin-bottom: 18px; }
.card__icon .ic { font-size: 26px; }
.card h3 { font-size: 18.5px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.card__link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14.5px; font-weight: 700; color: var(--ink-3); }
.card__link .ic { font-size: 16px; transition: transform .2s var(--ease); }
.card__link:hover .ic { transform: translateX(4px); }

.p-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; transition: all .28s var(--ease); }
.p-card:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); border-color: var(--line-2); }
.p-card__media { position: relative; aspect-ratio: 4/3; background: var(--bg-3); overflow: hidden; }
.p-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.p-card:hover .p-card__media img { transform: scale(1.05); }
.p-card__tag { position: absolute; left: 12px; top: 12px; }
.p-card__body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.p-card__title { font-size: 17px; font-weight: 700; margin: 0; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.p-card__title a { color: var(--ink); }
.p-card__title a:hover { color: var(--gold); }
.p-card__desc { font-size: 14.5px; color: var(--muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.p-card__spec { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--steel); border-top: 1px dashed var(--line); padding-top: 12px; margin-top: auto; }
.p-card__spec span { display: inline-flex; align-items: center; gap: 5px; }
.p-card__spec .ic { font-size: 14px; color: var(--gold); }

/* OEM / capability blocks */
.cap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.cap__media { position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-2); }
.cap__media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.cap__badge { position: absolute; left: 18px; bottom: 18px; background: rgba(14,27,42,.92); color: #fff; padding: 14px 18px; border-radius: var(--r); backdrop-filter: blur(4px); }
.cap__badge strong { display: block; font-size: 20px; font-family: var(--font-display); }
.cap__badge span { font-size: 12.5px; color: #A9B8C7; }
.checklist { display: grid; gap: 12px; margin-top: 22px; }
.checklist li { display: flex; gap: 11px; align-items: flex-start; font-size: 15.5px; }
.checklist .ic { color: var(--ok); font-size: 19px; margin-top: 3px; flex: none; }

.steps { counter-reset: st; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.step { position: relative; padding: 26px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--r); }
.step::before {
  counter-increment: st; content: counter(st, decimal-leading-zero);
  display: block; font-family: var(--font-display); font-size: 26px; font-weight: 800; color: var(--gold); line-height: 1; margin-bottom: 14px;
}
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--muted); margin: 0; }
.section--dark .step { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.14); }
.section--dark .step p { color: #A9B8C7; }

.market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.market { border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.04); border-radius: var(--r); padding: 24px; transition: all .25s var(--ease); }
.market:hover { background: rgba(255,255,255,.08); border-color: rgba(201,162,39,.5); }
.market h3 { color: #fff; font-size: 17px; display: flex; align-items: center; gap: 9px; }
.market h3 .ic { color: var(--gold); }
.market p { font-size: 14.5px; margin: 0; }
.market ul { display: grid; gap: 6px; margin-top: 12px; }
.market ul li { font-size: 13.5px; color: #A9B8C7; display: flex; gap: 8px; }
.market ul li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); margin-top: 9px; flex: none; }

/* 案例卡：上图下文竖版（适配三列栅格），徽章叠加在图片上 */
.case { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; height: 100%; transition: all .28s var(--ease); }
.case:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); border-color: var(--line-2); }
.case__media { position: relative; aspect-ratio: 16/10; background: linear-gradient(135deg, #EDF1F5, #E2E8EF); overflow: hidden; }
.case__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.case:hover .case__media img { transform: scale(1.05); }
.case__meta { display: flex; flex-wrap: wrap; gap: 8px; }
.case__media .case__meta { position: absolute; left: 14px; top: 14px; z-index: 2; }
.case__media .badge { backdrop-filter: blur(4px); }
.case__body { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 24px; }
.case__body h3 { font-size: 19px; line-height: 1.35; margin: 0; }
.case__body p { font-size: 14.5px; color: var(--muted); margin: 0; }
.case__facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.case__facts div strong { display: block; font-family: var(--font-display); font-size: 20px; font-weight: 800; line-height: 1.2; color: var(--ink); }
.case__facts div span { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }

.quote-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 28px; height: 100%; display: flex; flex-direction: column; gap: 16px; }
.quote-card__stars { display: flex; gap: 3px; color: var(--gold); font-size: 16px; }
.quote-card p { font-size: 15.5px; color: var(--text); margin: 0; }
.quote-card__who { display: flex; align-items: center; gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.quote-card__who img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.quote-card__who strong { display: block; font-size: 14.5px; }
.quote-card__who span { font-size: 13px; color: var(--muted); }

.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; transition: all .28s var(--ease); }
.news-card:hover { box-shadow: var(--shadow-2); transform: translateY(-3px); }
.news-card__media { aspect-ratio: 16/9; background: var(--bg-3); overflow: hidden; }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-card:hover .news-card__media img { transform: scale(1.05); }
.news-card__body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-card__title { font-size: 17px; margin: 0; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__excerpt { font-size: 14.5px; color: var(--muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__foot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted-2); }

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.pill .ic { font-size: 14px; }

/* ---------- 10. Tables / spec lists / definition lists ------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.spec-table { font-size: 14.5px; min-width: 560px; }
.spec-table caption { caption-side: top; text-align: left; padding: 16px 18px; font-weight: 700; font-size: 15px; color: var(--ink); background: var(--bg-2); border-bottom: 1px solid var(--line); }
.spec-table th, .spec-table td { padding: 13px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec-table thead th { background: var(--bg-2); font-size: 13px; letter-spacing: .04em; text-transform: uppercase; color: var(--steel); font-weight: 700; white-space: nowrap; }
.spec-table tbody th { width: 240px; font-weight: 600; color: var(--ink); background: #FCFDFE; }
.spec-table tbody tr:last-child th, .spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover td, .spec-table tbody tr:hover th { background: #FAFCFE; }

.deflist { display: grid; grid-template-columns: 200px 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.deflist dt { padding: 14px 18px; background: var(--bg-2); font-weight: 700; font-size: 14.5px; color: var(--ink); border-bottom: 1px solid var(--line); }
.deflist dd { padding: 14px 18px; margin: 0; border-bottom: 1px solid var(--line); font-size: 14.5px; color: var(--text); }
.deflist dt:last-of-type, .deflist dd:last-of-type { border-bottom: 0; }

/* ---------- 11. Breadcrumb / pagination / filters ----------------------- */
.crumbs { background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 14px 0; font-size: 13.5px; }
.crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--muted); }
.crumbs li { display: flex; align-items: center; gap: 8px; }
.crumbs li::after { content: ""; width: 14px; height: 14px; background: currentColor; opacity: .35; -webkit-mask: var(--m-chev) center/contain no-repeat; mask: var(--m-chev) center/contain no-repeat; }
.crumbs li:last-child::after { display: none; }
.crumbs a { color: var(--steel); }
.crumbs [aria-current="page"] { color: var(--ink); font-weight: 600; }

.page-head { padding: 44px 0 34px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-2), #fff); }
.page-head h1 { font-size: clamp(26px, 3.2vw, 40px); margin-bottom: 12px; }
.page-head p { color: var(--muted); font-size: 17px; max-width: 780px; margin: 0; }
.page-head__meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
/* 文章详情页头部：与正文栏（1220 容器 - 320 侧栏 - 44 间距 = 808px）同宽同边距，彻底对齐 */
.article-head { max-width: 808px; }
.article-head .article-meta { margin-bottom: 0; }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding: 16px 0; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.toolbar__count { font-size: 14.5px; color: var(--muted); }
.toolbar__count strong { color: var(--ink); }
.toolbar__right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.sortsel { padding: 8px 12px; border: 1px solid var(--line-2); border-radius: var(--r-sm); background: #fff; font-size: 14px; }

.pager { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 40px; height: 40px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center; font-size: 14.5px; font-weight: 600; color: var(--ink); background: #fff;
}
.pager a:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.pager .is-current { background: var(--ink); color: #fff; border-color: var(--ink); }
.pager .is-disabled { opacity: .45; pointer-events: none; }

/* ---------- 12. FAQ accordion ------------------------------------------- */
.faq { border: 1px solid var(--line); border-radius: var(--r); background: #fff; overflow: hidden; }
.faq + .faq { margin-top: 12px; }
.faq__q {
  display: flex; align-items: center; gap: 16px; width: 100%; cursor: pointer;
  padding: 20px 24px; background: #fff; border: 0; text-align: left;
  font-family: var(--font-display); font-size: 17.5px; font-weight: 700; line-height: 1.4; color: var(--ink);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q .idx { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--gold-soft); color: #8A6A0C; display: grid; place-items: center; font-size: 13px; font-weight: 800; }
.faq__q .txt { flex: 1; }
.faq__q .ic { font-size: 20px; color: var(--muted); transition: transform .25s var(--ease); flex: none; }
.faq[open] .faq__q { background: var(--bg-2); }
.faq[open] .faq__q .ic { transform: rotate(180deg); color: var(--gold); }
.faq__a { padding: 6px 24px 24px 66px; font-size: 16px; line-height: 1.8; color: var(--text); }
.faq__a > p, .faq__a > ul { max-width: 92ch; }
.faq__a > :last-child { margin-bottom: 0; }
.faq__a ul { margin: 10px 0; display: grid; gap: 6px; }
.faq__a ul li { display: flex; gap: 9px; }
.faq__a ul li .ic { color: var(--ok); font-size: 17px; margin-top: 3px; flex: none; }

/* ---------- 13. Article & page content typography ----------------------- */
.article-body { font-size: 16.5px; line-height: 1.85; color: #24313F; }
/* 正文行宽控制在 74ch 左右（最佳易读区间），表格 / 图片仍占满栏宽 */
.article-body > p, .article-body > ul, .article-body > ol,
.article-body > h2, .article-body > h3, .article-body > h4,
.article-body > blockquote, .article-body > .takeaway, .article-body > .toc { max-width: 74ch; }
.article-body h2 { margin-top: 48px; font-size: clamp(22px, 2.2vw, 29px); padding-bottom: 12px; border-bottom: 2px solid var(--line); scroll-margin-top: 96px; }
.article-body h3 { margin-top: 34px; font-size: 20px; }
.article-body h4 { margin-top: 26px; font-size: 17px; }
.article-body p { margin: 0 0 20px; }
.article-body ul, .article-body ol { margin: 0 0 22px; display: grid; gap: 9px; padding-left: 2px; }
.article-body ul li, .article-body ol li { display: block; position: relative; padding-left: 20px; }
.article-body ul li::before { content: ""; position: absolute; left: 0; top: 12px; width: 7px; height: 7px; border-radius: 2px; background: var(--gold); }
.article-body ol { counter-reset: ab; }
.article-body ol li { counter-increment: ab; }
.article-body ol li::before { content: counter(ab) "."; position: absolute; left: 0; top: 0; font-weight: 800; color: var(--gold); font-family: var(--font-display); }
.article-body blockquote { margin: 26px 0; padding: 20px 24px; background: var(--bg-2); border-left: 4px solid var(--gold); border-radius: 0 var(--r) var(--r) 0; font-size: 16.5px; color: var(--ink-2); }
.article-body blockquote p:last-child { margin: 0; }
.article-body figure { margin: 32px 0; }
.article-body figure img { border-radius: var(--r); width: 100%; box-shadow: var(--shadow-1); }
.article-body figcaption { font-size: 13.5px; color: var(--muted); margin-top: 10px; text-align: center; }
.article-body table { margin: 0 0 24px; }
.article-body strong { color: var(--ink); }
.article-body a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--gold); }

.takeaway { background: var(--bg-2); border: 1px solid var(--line); border-left: 4px solid var(--gold); border-radius: 0 var(--r) var(--r) 0; padding: 22px 26px; margin: 0 0 30px; }
.takeaway h2 { font-size: 17px; margin: 0 0 12px; border: 0; padding: 0; letter-spacing: .04em; text-transform: uppercase; }
.takeaway ul { gap: 8px; }

.toc { border: 1px solid var(--line); border-radius: var(--r); background: var(--bg-2); padding: 20px 24px; margin: 0 0 32px; }
.toc h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 12px; border: 0; padding: 0; }
.toc ol { counter-reset: tc; display: grid; gap: 8px; }
.toc li { counter-increment: tc; }
.toc a { display: flex; gap: 10px; font-size: 15px; font-weight: 600; }
.toc a::before { content: counter(tc, decimal-leading-zero); color: var(--gold); font-family: var(--font-display); font-weight: 800; }

.author-box { display: grid; grid-template-columns: 84px 1fr; gap: 20px; align-items: start; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; margin: 40px 0; }
.author-box img { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; }
.author-box h3 { font-size: 17px; margin-bottom: 4px; }
.author-box .role { font-size: 13.5px; color: var(--gold); font-weight: 700; margin-bottom: 10px; }
.author-box p { font-size: 14.5px; color: var(--muted); margin: 0 0 10px; }
.author-box .creds { display: flex; flex-wrap: wrap; gap: 8px; }

.article-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; color: var(--muted); padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta .ic { font-size: 16px; color: var(--gold); }

.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-item { display: grid; grid-template-columns: 92px 1fr; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 12px; transition: all .25s var(--ease); }
.related-item:hover { border-color: var(--line-2); box-shadow: var(--shadow-1); }
.related-item img { width: 92px; height: 72px; object-fit: cover; border-radius: var(--r-sm); }
.related-item strong { display: block; font-size: 14.5px; line-height: 1.4; }
.related-item span { font-size: 12.5px; color: var(--muted); }

/* Product detail */
.p-gallery { position: sticky; top: 96px; }
.p-gallery__main { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--bg-3); }
.p-gallery__main img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.p-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.p-thumbs button { border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden; padding: 0; background: #fff; cursor: pointer; aspect-ratio: 1/1; }
.p-thumbs button.is-active { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(201,162,39,.25); }
.p-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.p-summary h1 { font-size: clamp(24px, 2.8vw, 34px); margin-bottom: 12px; }
.p-summary__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.p-summary__lead { font-size: 16.5px; color: var(--muted); }
.p-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
.p-highlight { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 20px 0; }
.p-highlight div { display: flex; gap: 10px; align-items: flex-start; background: var(--bg-2); border-radius: var(--r-sm); padding: 12px 14px; font-size: 14px; }
.p-highlight .ic { color: var(--gold); font-size: 18px; flex: none; margin-top: 2px; }

/* ---------- 14. Sidebar / widgets --------------------------------------- */
.widget { border: 1px solid var(--line); border-radius: var(--r); background: #fff; padding: 22px; margin-bottom: 22px; }
.widget h2, .widget h3 { font-size: 16px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); letter-spacing: .01em; }
.widget ul { display: grid; gap: 14px; }
/* 列表项：图标与文字左对齐，多行文字不跑位；计数/尾缀靠右 */
.widget li a { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; line-height: 1.55; color: var(--text); }
.widget li a .ic { flex: none; font-size: 16px; color: var(--gold); margin-top: 3px; }
.widget li a:hover { color: var(--gold); }
.widget li a span { margin-left: auto; font-size: 12.5px; color: var(--muted-2); white-space: nowrap; padding-left: 8px; }
/* 侧栏内的定义列表：改为「标签在上、值在下」的堆叠版式，避免 200px 标签列挤爆窄栏 */
.widget .deflist { grid-template-columns: 1fr; border: 0; border-radius: 0; overflow: visible; }
.widget .deflist dt { border-bottom: 0; padding: 12px 0 0; background: none; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2); }
.widget .deflist dt:first-of-type { padding-top: 0; }
.widget .deflist dd { border-bottom: 1px solid var(--line); padding: 2px 0 10px; font-size: 14.5px; }
.widget .deflist dd:last-of-type { border-bottom: 0; }
.widget--dark .deflist dt { color: #8B9CAC; }
.widget--dark .deflist dd { color: #fff; border-color: rgba(255,255,255,.14); }
.widget--dark { background: var(--ink); border-color: var(--ink); color: #C3CFDB; }
.widget--dark h3 { color: #fff; border-color: rgba(255,255,255,.14); }
.widget--dark p { font-size: 14px; color: #A9B8C7; }
.widget--dark .btn { margin-top: 14px; }
.side-nav { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: #fff; margin-bottom: 22px; }
.side-nav h3 { font-size: 15px; padding: 16px 20px; margin: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.side-nav a { display: flex; align-items: center; gap: 10px; padding: 13px 20px; font-size: 14.5px; font-weight: 600; border-bottom: 1px solid var(--line); color: var(--text); }
.side-nav a:last-child { border-bottom: 0; }
.side-nav a:hover { background: var(--bg-2); color: var(--ink-3); }
.side-nav a.is-active { background: var(--ink); color: #fff; }
.side-nav a .ic { font-size: 16px; color: var(--gold); margin-left: auto; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 15. Forms ---------------------------------------------------- */
.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: var(--r-sm);
  background: #fff; font-size: 15px; transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,162,39,.16); }
.field textarea { min-height: 120px; resize: vertical; }
.form__note { font-size: 12.5px; color: var(--muted); }

.searchbar { display: flex; gap: 10px; align-items: stretch; }
.searchbar input { flex: 1; padding: 15px 18px; border: 1px solid var(--line-2); border-radius: var(--r-sm); font-size: 16px; }
.searchbar input:focus { outline: 0; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,162,39,.16); }
.searchbar .btn { padding-inline: 28px; }

.result { display: grid; grid-template-columns: 172px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.result:first-of-type { border-top: 1px solid var(--line); }
.result__media { border-radius: var(--r-sm); overflow: hidden; background: var(--bg-3); aspect-ratio: 4/3; }
.result__media img { width: 100%; height: 100%; object-fit: cover; }
.result h3 { font-size: 18.5px; margin-bottom: 8px; line-height: 1.4; }
.result p { font-size: 14.5px; color: var(--muted); margin: 0 0 10px; }
.result__meta { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 13px; color: var(--muted-2); }
.result__meta span { display: inline-flex; align-items: center; gap: 6px; }
.result mark { background: var(--gold-soft); color: inherit; padding: 0 2px; border-radius: 2px; }

.empty-state { text-align: center; padding: 70px 20px; border: 1px dashed var(--line-2); border-radius: var(--r); background: var(--bg-2); }
.empty-state .ic { font-size: 46px; color: var(--muted-2); margin: 0 auto 16px; }
.empty-state h2 { font-size: 22px; }

/* ---------- 16. Footer --------------------------------------------------- */
.cta-band { background: linear-gradient(120deg, var(--ink) 0%, var(--ink-3) 100%); color: #fff; padding: 56px 0; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(22px, 2.6vw, 32px); margin-bottom: 8px; }
.cta-band p { color: #B9C6D4; margin: 0; font-size: 16px; }

.footer { background: var(--ink); color: #A9B8C7; padding: 64px 0 0; font-size: 14.5px; }
.footer h3 { color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: .06em; text-transform: uppercase; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer p { color: #A9B8C7; }
.footer ul { display: grid; gap: 10px; }
.footer a { color: #B9C6D4; }
.footer a:hover { color: var(--gold-2); }
.footer__contact li { display: flex; gap: 11px; align-items: flex-start; }
.footer__contact .ic { color: var(--gold); font-size: 17px; margin-top: 3px; flex: none; }
.footer__logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer__logo .logo__mark { background: rgba(255,255,255,.08); }
.footer__logo .logo__name { color: #fff; }
.footer__social { display: flex; gap: 10px; margin-top: 20px; }
.footer__social a { width: 38px; height: 38px; border-radius: 8px; border: 1px solid rgba(255,255,255,.18); display: grid; place-items: center; color: #CBD6E2; }
.footer__social a:hover { background: var(--gold); border-color: var(--gold); color: #fff; }
.footer__social .ic { font-size: 19px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0 26px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: #8B9CAC; }
.footer__bottom a { color: #8B9CAC; }
.footer__bottom a:hover { color: var(--gold-2); }
.footer__bottom ul { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- 17. Responsive ---------------------------------------------- */
@media (max-width: 1180px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}
@media (max-width: 1024px) {
  .layout, .layout--left { grid-template-columns: 1fr; gap: 34px; }
  .p-gallery { position: static; }
  .nav { display: none; }
  .nav-toggle { display: grid; margin-left: auto; }
  .nav.is-open {
    display: block; position: absolute; top: 100%; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow-2); padding: 12px 24px 20px; max-height: 74vh; overflow-y: auto;
  }
  .nav.is-open .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav.is-open .nav__link { padding: 13px 4px; border-bottom: 1px solid var(--line); white-space: nowrap; }
  .nav.is-open .nav__drop { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 4px 0 10px; background: var(--bg-2); }
  .header__cta { margin-left: auto; }
  .hero { height: 560px; }
  .market-grid { grid-template-columns: 1fr 1fr; }
  .related { grid-template-columns: 1fr; }
  .cap { grid-template-columns: 1fr; gap: 32px; }
  .strip__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .section--tight { padding: 46px 0; }
  .case__body { padding: 20px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .dock { right: 8px; }
  .dock__btn { width: 46px; min-height: 46px; }
}
@media (max-width: 680px) {
  .container { padding: 0 18px; }
  .topbar .container { gap: 10px; }
  .topbar-right .lang { display: none; }
  .hero { height: 520px; }
  .hero__ctrl { display: none; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .market-grid, .strip__grid, .steps, .p-highlight, .footer__grid, .related { grid-template-columns: 1fr; }
  .deflist { grid-template-columns: 1fr; }
  .deflist dt { border-bottom: 0; padding-bottom: 4px; }
  .author-box { grid-template-columns: 1fr; text-align: left; }
  .result { grid-template-columns: 1fr; }
  .result__media { max-width: 220px; }
  .faq__a { padding-left: 20px; }
  .p-thumbs { grid-template-columns: repeat(4, 1fr); }
  .dock { gap: 6px; }
  .dock__label { font-size: 9px; }
}

/* ---------- 18. Utilities / print / a11y ------------------------------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 200; }
.skip-link:focus { left: 12px; top: 12px; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 22px; } .mb-3 { margin-bottom: 32px; }
.mt-2 { margin-top: 22px; } .mt-3 { margin-top: 32px; } .mt-4 { margin-top: 46px; }
.divider { height: 1px; background: var(--line); margin: 40px 0; }
.img-cover { width: 100%; height: 100%; object-fit: cover; }
/* 图片占位底色：加载中或图片源异常时版式不塌陷 */
.p-card__media, .news-card__media, .result__media, .case__media,
.p-gallery__main, .related-item img, .cap__media {
  background-image: linear-gradient(135deg, #EDF1F5 0%, #E2E8EF 100%);
}
.ratio-16x9 { aspect-ratio: 16/9; } .ratio-4x3 { aspect-ratio: 4/3; } .ratio-1x1 { aspect-ratio: 1/1; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  .header, .topbar, .footer, .dock, .hero__ctrl, .hero__dots, .cta-band { display: none !important; }
  body { color: #000; }
  .section { padding: 16px 0; }
}

/* ==========================================================================
   CMS 适配补丁（引擎注入结构 / 后台富文本正文）
   ========================================================================== */

/* 引擎注入分页：当前页类名为 .on（与模板 .is-current 等价） */
.pager .on { background: var(--ink); color: #fff; border-color: var(--ink); }
.pager:empty { display: none; }

/* 列表容器（文章列表 / 搜索结果） */
.result-list { display: block; }
.result-list:empty { display: none; }

/* 侧栏卡片 */
.side-card { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 18px; background: #fff; }
.side-card h3 { font-size: 16px; margin-bottom: 10px; }
.side-card p { font-size: 14.5px; color: var(--ink-3); margin-bottom: 8px; }
.side-card ul { list-style: none; padding: 0; margin: 0; }
.side-card li { padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; }
.side-card li:last-child { border-bottom: 0; }

/* 后台富文本正文排版 */
.rich { font-size: 16.5px; line-height: 1.8; color: var(--ink-2); }
.rich > * + * { margin-top: 16px; }
.rich h2 { font-size: 24px; line-height: 1.35; color: var(--ink); margin-top: 34px; }
.rich h3 { font-size: 19.5px; line-height: 1.4; color: var(--ink); margin-top: 26px; }
.rich h4 { font-size: 17px; color: var(--ink); margin-top: 22px; }
.rich p { margin: 0 0 14px; }
.rich ul, .rich ol { padding-left: 22px; }
.rich li { margin-bottom: 8px; }
.rich a { color: var(--ink-3); text-decoration: underline; }
.rich img { max-width: 100%; height: auto; border-radius: var(--r-sm); display: block; }
.rich blockquote { border-left: 3px solid var(--ink); padding: 4px 0 4px 16px; color: var(--ink-3); font-style: italic; }
.rich table { width: 100%; border-collapse: collapse; font-size: 15px; }
.rich th, .rich td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.rich th { background: var(--bg-3, #F5F7FA); font-weight: 600; }
.rich strong { color: var(--ink); font-weight: 600; }

/* FAQ 编号（引擎循环序号） */
.faq__q .idx { font-variant-numeric: tabular-nums; opacity: .55; }

/* --- 评价头像（无真人肖像，统一图标化） ------------------------------- */
.quote-card__av { flex: 0 0 44px; width: 44px; height: 44px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: var(--bg-2); border: 1px solid var(--line); color: var(--ink-3); font-size: 20px; }
.quote-card__role { display: block; font-size: 13px; color: var(--muted); }

/* --- 详情 Tab 区（引擎注入 .tab-nav / .tab-pane） --------------------- */
.pd-tabs { border: 1px solid var(--line); border-radius: var(--r); background: #fff; overflow: hidden; }
.pd-tabs .tab-nav { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.pd-tabs .tab-nav button {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  padding: 14px 20px; font: inherit; font-size: 15px; font-weight: 600; color: var(--ink-3);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.pd-tabs .tab-nav button:hover { color: var(--ink); }
.pd-tabs .tab-nav button.on { color: var(--ink); border-bottom-color: var(--gold); background: #fff; }
.pd-tabs .tab-pane { display: none; padding: 24px; }
.pd-tabs .tab-pane.on { display: block; }
.pd-tabs .tab-pane .table-wrap { margin: 0; }
.pd-tabs .tab-pane .data-table, .pd-tabs .tab-pane .spec-table { border: 0; }
.pd-tabs .tab-pane h2 { font-size: 19px; margin: 0 0 12px; }

/* --- 引擎通用 FAQ 结构（.faq-item/.faq-q/.faq-a）适配模板原生外观 ------ */
.faq-item { border: 1px solid var(--line); border-radius: var(--r); background: #fff; overflow: hidden; }
.faq-item + .faq-item { margin-top: 12px; }
.faq-q {
  appearance: none; width: 100%; display: flex; align-items: center; gap: 12px;
  padding: 18px 24px; border: 0; background: transparent; cursor: pointer;
  font: inherit; font-size: 17px; font-weight: 600; color: var(--ink); text-align: left;
}
.faq-q .ic { flex: none; font-size: 20px; color: var(--muted); transition: transform .25s var(--ease); margin-left: auto; }
.faq-item.is-open .faq-q { background: var(--bg-2); }
.faq-item.is-open .faq-q .ic { transform: rotate(45deg); color: var(--gold); }
.faq-a { display: none; padding: 0 24px 22px 24px; font-size: 16px; line-height: 1.8; color: var(--text); }
.faq-item.is-open .faq-a { display: block; }
.faq-a > p { max-width: 92ch; }
.faq-a > :last-child { margin-bottom: 0; }

/* --- 正文（后台富文本）内的卡片 / 工序 / 表格 ------------------------- */
.rich .grid-3 { margin: 18px 0 26px; }
.rich .card { padding: 22px; }
.rich .card__icon { width: 44px; height: 44px; margin-bottom: 14px; }
.rich .steps { margin: 18px 0 26px; }
.rich .table-wrap { margin: 16px 0 10px; }
.rich h2 + .grid-3, .rich h2 + .steps, .rich h2 + .table-wrap { margin-top: 14px; }
