/* ==========================================================================
   Tittron — hoja de estilos global / global stylesheet
   Sin dependencias externas. Sin Google Fonts (evita el problema legal de
   incrustar fuentes de terceros bajo el RGPD).
   Tipografía autoalojada en assets/fonts/ (SIL OFL 1.1), mismo esquema que
   los distribuidores industriales:
     · Noto Sans  400–700  → cuerpo de texto, UI, tablas de especificaciones
     · Oswald     400–700  → títulos H1/H2 (condensed, aspecto formal)
   ========================================================================== */

/* ---------- Noto Sans · cuerpo de texto ---------- */
@font-face {
  font-family: "Noto Sans";
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/notosans-latin-ext-v42.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Noto Sans";
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/notosans-latin-v42.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Oswald · títulos ---------- */
@font-face {
  font-family: "Oswald";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/oswald-latin-ext-v57.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Oswald";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/oswald-latin-v57.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* 品牌：深空蓝；点缀：青 */
  --brand: #0b5fff;
  --brand-strong: #0a3fb8;      /* 白字对比 8.6:1，白底对比 8.6:1 */
  --brand-soft: #eaf1ff;
  --brand-line: #bfd4ff;
  --accent: #06b6d4;
  --accent-strong: #0891b2;
  --accent-soft: #e6fbff;

  --ink: #0f172a;
  --body: #334155;
  --muted: #475569;
  --line: #e4e9f2;
  --surface: #f5f8fd;
  --white: #ffffff;

  /* 深色外壳（顶栏 / 页脚） */
  --shell: #0b1b2f;
  --shell-soft: #12263f;
  --shell-line: rgba(255, 255, 255, .12);
  --shell-text: #c7d5e8;
  --shell-head: #ffffff;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow: 0 6px 18px rgba(15, 23, 42, .08);
  --shadow-md: 0 10px 26px rgba(15, 23, 42, .10);
  --shadow-lg: 0 18px 44px rgba(15, 23, 42, .14);

  --wrap: 1240px;
  --header-h: 64px;
  --measure: 68ch;            /* 阅读舒适行长 */
  --ease: cubic-bezier(.4, 0, .2, 1);

  /* tipografía: Noto Sans para texto, Oswald para títulos */
  --font-sans: "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-display: "Oswald", "Noto Sans", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.22; margin: 0 0 .6em; font-weight: 650; }
/* H1/H2 con Oswald (condensed): tracking neutro y interlineado más corto */
h1 { font-family: var(--font-display); font-size: clamp(2.1rem, 4.2vw, 3.2rem); font-weight: 600; letter-spacing: .01em; line-height: 1.12; }
h2 { font-family: var(--font-display); font-size: clamp(1.45rem, 2.4vw, 1.95rem); font-weight: 600; letter-spacing: .015em; line-height: 1.2; }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1.05em; }
/* 正文行长控制在 60–75 字符，符合现代阅读习惯 */
p, .lede { max-width: var(--measure); }
ul { list-style: none; margin: 0; padding: 0; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

.icon { width: 1.25em; height: 1.25em; flex: none; }

/* ---------- utilidades ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-alt { background: var(--surface); }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head p { color: var(--muted); margin: 0; font-size: 1.05rem; }
.lede { font-size: 1.1rem; color: var(--muted); max-width: 62ch; }
.eyebrow {
  display: inline-block; font-size: .82rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand-strong); background: var(--brand-soft);
  border: 1px solid var(--brand-line); border-radius: 999px; padding: 4px 12px; margin-bottom: 14px;
}
.mt { margin-top: 32px; }
.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;
}
.section-more { margin-top: 36px; text-align: center; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em; justify-content: center;
  font: inherit; font-weight: 600; line-height: 1.25; cursor: pointer;
  padding: 10px 20px; border-radius: var(--radius-sm); border: 1px solid transparent;
  transition: background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), box-shadow .2s var(--ease);
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--brand-strong); color: #fff; }
.btn-primary:hover { background: #08308f; box-shadow: var(--shadow-sm); }
.btn-outline { background: transparent; color: var(--brand-strong); border-color: var(--brand-line); }
.btn-outline:hover { background: var(--brand-soft); border-color: var(--brand); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface); color: var(--ink); }
.btn-sm { padding: 6px 12px; font-size: .875rem; }
.btn-lg { padding: 8px 20px; font-size: 1rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .4em;
  font-weight: 600; color: var(--brand-strong);
}
.link-arrow .icon { width: 1em; height: 1em; transition: transform .2s var(--ease); }
.link-arrow:hover { text-decoration: none; }
.link-arrow:hover .icon { transform: translateX(3px); }

/* ---------- cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: var(--shell);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background-color .25s var(--ease);
}
/* 滚动后才出现分隔线/投影，首屏更干净 */
.site-header.is-scrolled {
  background: var(--shell);
  border-bottom-color: var(--shell-line);
  box-shadow: 0 6px 20px rgba(11, 27, 47, .28);
}
.header-inner { display: flex; align-items: center; gap: 20px; min-height: var(--header-h); }
.brand { display: flex; align-items: center; flex: none; }
.brand img { height: 28px; width: auto; }

.main-nav { margin-left: auto; }
.main-nav .nav-level-1 { display: flex; gap: 6px; }
.main-nav a {
  display: inline-flex; align-items: center; gap: .35em;
  color: var(--shell-text); font-weight: 500; font-size: 1rem;
  padding: 9px 15px; border-radius: 999px; white-space: nowrap;
  letter-spacing: .005em;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}
.main-nav a:hover { color: #fff; text-decoration: none; background: var(--shell-soft); }
.main-nav a[aria-current="page"] { color: #fff; font-weight: 650; background: var(--shell-soft); }
.main-nav .nav-level-1 > li.is-current > a { color: #fff; background: var(--shell-soft); }
.main-nav a .icon { width: 14px; height: 14px; opacity: .7; }

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.header-cta { border-radius: var(--radius-sm); padding: 9px 18px; box-shadow: var(--shadow-sm); }
.header-cta:hover { box-shadow: var(--shadow-md); text-decoration: none; }

.lang-switch { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: .45em; cursor: pointer;
  background: transparent; border: 1px solid var(--shell-line); border-radius: var(--radius-sm);
  padding: 7px 12px; font: inherit; font-size: .9rem; color: var(--shell-text);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.lang-btn:hover { border-color: rgba(255, 255, 255, .38); background: var(--shell-soft); color: #fff; }
.lang-btn .icon { width: 1em; height: 1em; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 180px; z-index: 70;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 6px;
}
.lang-menu a {
  display: block; padding: 9px 12px; border-radius: 6px; color: var(--body); font-size: .94rem;
}
.lang-menu a:hover { background: var(--surface); text-decoration: none; color: var(--ink); }
.lang-menu a.is-current { font-weight: 700; color: var(--brand-strong); }

.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--shell-line);
  border-radius: var(--radius-sm); padding: 8px; cursor: pointer; color: #fff;
}
.nav-toggle .icon:last-child { display: none; }
.nav-toggle[aria-expanded="true"] .icon:first-child { display: none; }
.nav-toggle[aria-expanded="true"] .icon:last-child { display: block; }

/* ---------- buscador de la cabecera ---------- */
.site-search { position: relative; }
.search-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; cursor: pointer; color: #fff;
  background: transparent; border: 1px solid var(--shell-line); border-radius: var(--radius-sm);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.search-btn:hover { border-color: rgba(255, 255, 255, .38); background: var(--shell-soft); }
.search-btn .icon { width: 18px; height: 18px; }
.search-panel {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 80;
  width: min(440px, calc(100vw - 32px));
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 10px;
}
.search-field {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface);
}
.search-field .icon { width: 18px; height: 18px; color: var(--muted); flex: none; }
.search-input {
  flex: 1 1 auto; min-width: 0; border: 0; background: transparent; outline: none;
  font: inherit; font-size: .95rem; color: var(--ink);
}
.search-close { display: inline-flex; padding: 4px; border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.search-close .icon { width: 16px; height: 16px; }
.search-note { margin: 9px 6px 2px; font-size: .875rem; color: var(--muted); }
.search-results { list-style: none; margin: 4px 0 0; padding: 0; max-height: min(60vh, 420px); overflow-y: auto; }
.search-item > a {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius-sm); color: var(--ink);
}
.search-item > a:hover, .search-item.is-active > a { background: var(--brand-soft); text-decoration: none; }
.search-kind {
  flex: none; margin-top: 2px; padding: 3px 8px; border-radius: 999px;
  font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  color: var(--brand-strong); background: var(--brand-soft);
}
.search-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.search-title { font-size: .95rem; font-weight: 600; }
.search-desc {
  font-size: .9rem; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.search-results mark { background: #fff3c4; color: inherit; border-radius: 2px; }
.search-brand {
  margin: 8px 6px 2px; padding-top: 8px; border-top: 1px solid var(--line);
  font-size: .78rem; line-height: 1.5; color: var(--muted);
}
@media (max-width: 760px) {
  .search-panel { position: fixed; left: 12px; right: 12px; top: calc(var(--header-h) + 6px); width: auto; }
}

/* ---------- héroe ---------- */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--brand-soft), #fff 70%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-copy h1 { margin-bottom: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.hero-points { display: grid; gap: 10px; }
.hero-points li { display: flex; gap: .6em; align-items: flex-start; font-size: .96rem; }
.hero-points .icon { color: var(--accent-strong); margin-top: .25em; }
.hero-visual img { border-radius: var(--radius); box-shadow: var(--shadow); }

/* ---------- estadísticas ---------- */
/* 首页商务卖点条：替代原来的统计数字，每条直达对应服务说明 */
.selling-strip { background: var(--brand-soft); border-top: 1px solid var(--brand-line); border-bottom: 1px solid var(--brand-line); }
.selling-list {
  list-style: none; margin: 0; padding: 16px 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px 20px;
}
.selling-list a {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none; white-space: normal;
}
.selling-list .icon { flex: none; width: 20px; height: 20px; color: var(--brand-strong); }
.selling-list span { min-width: 0; display: grid; }
.selling-list strong { font-size: .9rem; font-weight: 650; line-height: 1.3; }
.selling-list em { font-style: normal; font-size: .78rem; color: var(--muted); line-height: 1.35; }
.selling-list a:hover strong { color: var(--brand-strong); }

/* About 页：侧重点——左侧品牌色条，区别于下方的能力网格 */
.focus-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.focus-card {
  display: grid; align-content: start; padding: 24px;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--brand);
  border-radius: var(--radius); box-shadow: 0 1px 2px rgba(15, 29, 55, .04);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.focus-card:hover {
  border-color: var(--brand-line); border-left-color: var(--brand-strong);
  box-shadow: var(--shadow); transform: translateY(-2px);
}
.focus-card .feature-icon { margin-bottom: 12px; }
.focus-card h3 { font-size: 1.0625rem; margin-bottom: 6px; }
.focus-card p { font-size: .9rem; line-height: 1.55; color: var(--muted); margin: 0; }

/* ---------- categorías ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.cat-card {
  display: block; padding: 24px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); cursor: pointer;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.cat-card:hover { text-decoration: none; border-color: var(--brand-line); box-shadow: var(--shadow); transform: translateY(-2px); }
.cat-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 16px;
  /* 与子类目入口卡片同族：品牌蓝渐充实心块 + 白图标 */
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
  color: #fff; box-shadow: 0 6px 14px rgba(11, 95, 255, .28);
  transition: box-shadow .2s var(--ease), transform .2s var(--ease);
}
.cat-icon .icon { width: 24px; height: 24px; }
.cat-card:hover .cat-icon { transform: translateY(-2px) scale(1.04); box-shadow: 0 10px 22px rgba(11, 95, 255, .36); }
/* 产品总览页：图标与区块标题并排，不需要卡片里的下间距 */
.cat-block .cat-icon { margin-bottom: 0; }
.cat-card h3 { margin-bottom: 6px; }
.cat-card p { color: var(--muted); font-size: .95rem; margin-bottom: 12px; }
.cat-more { display: inline-flex; align-items: center; gap: .4em; font-weight: 600; font-size: .9rem; color: var(--brand-strong); }
.cat-more .icon { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.cat-card:hover .cat-more .icon { transform: translateX(3px); }

/* 首页 Popular Product Categories 背景图类目卡 */
.cat-card--photo {
  position: relative;
  min-height: 270px;
  color: #fff;
  background-color: #0b1b2f;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 0;
  overflow: hidden;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.cat-card--photo::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7, 20, 38, .85) 0%, rgba(7, 20, 38, .35) 55%, rgba(7, 20, 38, .72) 100%);
  border-radius: var(--radius);
  z-index: 0;
}
.cat-card--photo > * { position: relative; z-index: 1; }
/* 背景图卡上只保留标题，Browse → 统一固定在右下角 */
.cat-card--photo h3 { font-size: 1.1875rem; font-weight: 700; margin-bottom: 0; }
.cat-card--photo .cat-more {
  position: absolute; right: 22px; bottom: 20px; margin: 0;
  padding: 6px 14px; border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28);
  backdrop-filter: blur(4px);
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.cat-card--photo:hover .cat-more { background: rgba(255, 255, 255, .28); }
.cat-card--photo .cat-icon {
  background: rgba(255, 255, 255, .18);
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .22);
}
.cat-card--photo:hover .cat-icon { transform: translateY(-2px) scale(1.04); box-shadow: 0 8px 18px rgba(0, 0, 0, .3); }
.cat-card--photo h3,
.cat-card--photo p,
.cat-card--photo .cat-sublist,
.cat-card--photo .cat-more { color: #fff; }
.cat-card--photo .cat-more .icon { color: inherit; }
.cat-card--photo:hover { transform: translateY(-3px); box-shadow: 0 18px 36px rgba(0, 0, 0, .22); }

/* 精选区顶部的"特别推荐"整条卡：深色块区别于白色类目卡 */
.spotlight-card {
  display: grid; grid-template-columns: auto auto minmax(0, 1fr) auto; align-items: center;
  gap: 8px 18px; margin-bottom: 26px; padding: 20px 24px;
  background: var(--shell); color: var(--shell-text); border-radius: var(--radius);
  border-left: 4px solid var(--brand);
  transition: box-shadow .2s var(--ease), transform .2s var(--ease);
}
.spotlight-card:hover { text-decoration: none; box-shadow: var(--shadow); transform: translateY(-2px); }
.spotlight-eyebrow {
  grid-column: 1 / -1; font-size: .72rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: #7cc4ff;
}
.spotlight-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: rgba(255, 255, 255, .1); }
.spotlight-icon .icon { width: 22px; height: 22px; color: #fff; }
.spotlight-body { display: grid; gap: 2px; min-width: 0; }
.spotlight-body strong { font-size: 1.05rem; color: var(--shell-head); }
.spotlight-body em { font-style: normal; font-size: .93rem; color: var(--shell-text); }
.spotlight-cta { display: inline-flex; align-items: center; gap: .4em; font-weight: 600; font-size: .9rem; color: #fff; white-space: nowrap; }
.spotlight-cta .icon { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.spotlight-card:hover .spotlight-cta .icon { transform: translateX(3px); }
@media (max-width: 860px) {
  .spotlight-card { grid-template-columns: auto minmax(0, 1fr); }
  .spotlight-cta { grid-column: 2; }
}

/* ---------- productos ---------- */
/* 一行 4 个产品卡；窄屏依次降到 3 / 2 / 1 */
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
@media (max-width: 1140px) { .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 840px) { .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; } }
@media (max-width: 560px) { .product-grid { grid-template-columns: 1fr; } }

.product-card {
  position: relative; display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; cursor: pointer;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.product-card:hover { border-color: var(--brand-line); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.product-media { display: block; background: var(--surface); overflow: hidden; }
.product-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 12px;
  transition: transform .35s var(--ease);
}
.product-card:hover .product-media img { transform: scale(1.04); }
.product-body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-sku { font-size: .875rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 0; }
.product-body h2, .product-body h3 {
  margin: 0; font-size: .9rem; line-height: 1.4; font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-body h2 a, .product-body h3 a { color: var(--ink); }
.product-body h2 a:hover, .product-body h3 a:hover { color: var(--brand-strong); text-decoration: none; }
.product-name { font-size: .95rem; }
.product-tagline { color: var(--muted); font-size: .95rem; margin: 0 0 4px; }
.badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--brand-strong); color: #fff; font-size: .8rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .28); box-shadow: 0 2px 10px rgba(10, 63, 184, .32);
}
.badge-inline { position: static; display: inline-block; }
/* 痛点卡上的人群标签：把痛点与前面的人群区块对应起来 */
.pain-who {
  display: inline-block;
  margin: .35rem 0 .15rem;
  padding: .15rem .6rem;
  font-size: .78rem;
  letter-spacing: .02em;
  color: #5b6472;
  background: #eef1f5;
  border-radius: 999px;
}
.subhead {
  margin: 1.75rem 0 .75rem;
  font-size: 1.05rem;
  font-weight: 700;
}
/* 新品徽章：橙红渐变 + 呼吸光晕，在卡片与详情页都更醒目 */
.badge--new {
  background: linear-gradient(135deg, #ff6a1f, #e01b24);
  border-color: rgba(255, 255, 255, .55);
  box-shadow: 0 3px 12px rgba(224, 27, 36, .45);
  animation: badge-new-pulse 2.4s ease-in-out infinite;
}
@keyframes badge-new-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 3px 12px rgba(224, 27, 36, .45); }
  50% { transform: scale(1.06); box-shadow: 0 5px 18px rgba(224, 27, 36, .7); }
}
.badge--new.badge-inline { transform-origin: left center; }
@media (prefers-reduced-motion: reduce) {
  .badge--new { animation: none; }
}
/* 产品详情页：标题与徽章同一行 */
.product-title-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: .6em; }
.product-title-line .product-title { margin-bottom: 0; }

.cat-block { padding: 40px 0; border-top: 1px solid var(--line); }
.cat-block:first-child { border-top: 0; padding-top: 0; }
.cat-block-head { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.cat-block-head p { color: var(--muted); margin: 0; }
.cat-block-title { margin: 0; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.cat-all { margin-left: auto; white-space: nowrap; }
.cat-count {
  font-size: .9rem; font-weight: 700; color: var(--brand-strong); background: var(--brand-soft);
  border: 1px solid var(--brand-line); border-radius: 999px; padding: 1px 8px;
}
/* 二级及以下类目：缩进、更紧凑 */
.cat-block--sub { padding: 22px 0 22px 22px; border-top: 1px dashed var(--line); border-left: 3px solid var(--brand-line); }
.cat-block--sub .cat-block-head { margin-bottom: 14px; }
.cat-block--sub .cat-block-title { font-size: 1rem; }
.cat-block--sub .product-grid { gap: 14px; }
@media (max-width: 720px) {
  .cat-block--sub { padding-left: 14px; }
  .cat-all { margin-left: 0; }
}

.chip-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chip {
  display: inline-flex; align-items: center; gap: .45em; font-size: .9rem; font-weight: 500;
  color: var(--body); background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 14px;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.chip:hover { border-color: var(--brand-line); background: var(--brand-soft); text-decoration: none; color: var(--brand-strong); }
.chip .icon { width: 1em; height: 1em; }

/* ---------- características ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
}
.feature-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
  border-radius: 10px; color: var(--brand-strong); margin-bottom: 14px;
  background: linear-gradient(135deg, var(--brand-soft), var(--accent-soft));
}
.feature-icon .icon { width: 22px; height: 22px; }
.feature p { color: var(--muted); margin: 0; }

/* ---------- 商务能力区块：小批量混装 / 小批量印刷 / 国际物流 ---------- */
.section-tint {
  background: linear-gradient(180deg, #f7faff 0%, #eef4ff 100%);
  border-top: 1px solid var(--brand-line); border-bottom: 1px solid var(--brand-line);
}
.commerce-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 20px; }
.commerce-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm);
  transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}
.commerce-card:hover { border-color: var(--brand-line); box-shadow: var(--shadow); transform: translateY(-2px); }
.commerce-card h3 { margin-bottom: 8px; }
.commerce-card p { color: var(--muted); font-size: .95rem; margin: 0; }
.commerce-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 16px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
  color: #fff; box-shadow: 0 6px 14px rgba(11, 95, 255, .28);
}
.commerce-icon .icon { width: 24px; height: 24px; }
.commerce-points { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 7px; }
.commerce-points li { display: flex; align-items: flex-start; gap: 8px; font-size: .9rem; color: var(--ink); line-height: 1.5; }
.commerce-points .icon { flex: none; width: 16px; height: 16px; margin-top: 4px; color: var(--brand-strong); }

/* 信任承诺条 */
.assurance-list {
  list-style: none; margin: 24px 0 0; padding: 18px 22px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px 22px;
  background: #fff; border: 1px solid var(--brand-line); border-radius: var(--radius);
}
.assurance-list li { display: flex; align-items: center; gap: 10px; font-size: .92rem; font-weight: 600; color: var(--ink); }
.assurance-list .icon { flex: none; width: 20px; height: 20px; color: var(--brand-strong); }
@media (max-width: 720px) {
  .commerce-grid { grid-template-columns: 1fr; }
  .assurance-list { padding: 16px; gap: 12px; }
}
.channel-card { display: flex; flex-direction: column; gap: 10px; }
.channel-card .link-arrow { margin-top: auto; }

/* ---------- blog ---------- */
.post-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.post-grid-wide { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.post-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; cursor: pointer;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.post-card:hover { border-color: var(--brand-line); box-shadow: var(--shadow); transform: translateY(-3px); }
.post-media { display: block; background: var(--surface); }
.post-media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.post-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-meta { font-size: .875rem; color: var(--muted); margin: 0; }
.post-body h2, .post-body h3 { margin: 0; }
.post-body h2 { font-size: 1.15rem; }
.post-body h2 a, .post-body h3 a { color: var(--ink); }
.post-body h2 a:hover, .post-body h3 a:hover { color: var(--brand-strong); text-decoration: none; }
.post-body > p { color: var(--muted); font-size: .94rem; }
.post-body .link-arrow { margin-top: auto; }

/* ---------- banda CTA ---------- */
.cta-band { background: var(--shell); color: #fff; padding: 56px 0; border-top: 3px solid var(--accent); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; margin-bottom: 8px; }
.cta-inner p { color: var(--shell-text); margin: 0; max-width: 60ch; }
/* CTA 区可放两个按钮：主询价 + 外链次级入口（在线目录）；小字独占一行 */
.cta-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.cta-note { flex: 1 0 100%; margin: 0; font-size: .875rem; color: var(--shell-text); }
/* 深底 CTA 条上的描边按钮：默认描边色是品牌蓝，在深底上不可读，改白色 */
.cta-band .btn-outline { color: #fff; border-color: rgba(255, 255, 255, .5); }
.cta-band .btn-outline:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }

/* ---------- cabeceras de página ---------- */
.page-head { padding: 48px 0 28px; border-bottom: 1px solid var(--line); background: var(--surface); }
.page-head h1 { margin-bottom: 12px; }
/* 产品页：面包屑栏宽收窄，与下方详情内容形成层次 */
.page-head--product .wrap { max-width: 960px; }
/* 产品页的 page-head 里只有面包屑（h1 在下方 product-summary），按单行收窄留白 */
.page-head--product { padding: 20px 0 16px; }
.page-head--product .breadcrumb { margin-bottom: 0; }
.breadcrumb { display: flex; align-items: center; gap: .5em; font-size: .9rem; color: var(--muted); margin-bottom: 14px; flex-wrap: wrap; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand-strong); }
.breadcrumb .icon { width: .9em; height: .9em; }

/* ---------- aviso de afiliación ---------- */
.disclosure { background: var(--brand-soft); border-bottom: 1px solid var(--brand-line); }
.disclosure-inner { display: flex; gap: 12px; align-items: flex-start; padding-top: 16px; padding-bottom: 16px; }
.disclosure-inner .icon { color: var(--brand-strong); margin-top: .35em; }
.disclosure p { margin: 0; font-size: .95rem; color: #7c3a12; }
.disclosure a { color: var(--brand-strong); text-decoration: underline; }
.disclosure-inline { margin: 36px 0 0; padding: 18px 20px; border: 1px solid var(--brand-line); border-radius: var(--radius); display: flex; gap: 12px; align-items: flex-start; }

/* ---------- detalle de producto ---------- */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
/* 主图：按真实比例显示（不再被 800x600 属性压成 4:3），并限宽居中，避免 1:1 的图撑满半屏 */
.gallery-main {
  /* 与下方缩略图行左对齐：不再居中，否则主图左边会比第一张小图多出一截留白 */
  display: block; width: 100%; max-width: 480px; margin-inline: 0;
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface);
}
.gallery-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.gallery-thumbs button {
  padding: 0; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; cursor: pointer; overflow: hidden; transition: border-color .2s var(--ease);
}
.gallery-thumbs button:hover, .gallery-thumbs button.is-active { border-color: var(--brand); }
.gallery-thumbs img { width: 84px; height: 62px; object-fit: cover; }

.product-lead { color: var(--muted); }
.check-list { display: grid; gap: 10px; margin: 0 0 4px; }
.check-list li { display: flex; gap: .6em; align-items: flex-start; }
.check-list .icon { color: var(--brand); margin-top: .3em; width: 1.1em; height: 1.1em; }
.product-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 12px; }
.product-note { font-size: .9rem; color: var(--muted); margin: 0; }

.prose-block { max-width: 780px; }
.prose-block p { color: var(--body); }

/* ---------- 案例（case studies） ---------- */
.case-lede { font-size: 1.06rem; font-weight: 600; color: var(--ink); line-height: 1.7; }
.case-products { margin-top: 14px; font-size: .95rem; color: var(--body); }
.case-products ul { margin: 8px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.case-products a { font-weight: 600; }
.case-results { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.case-results li { display: flex; gap: 10px; align-items: flex-start; }
.case-results .icon { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 4px; color: var(--brand); }
.case-results span { color: var(--body); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.two-col-form { grid-template-columns: 1.05fr .95fr; }

.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 8px; }
.spec-table th, .spec-table td {
  text-align: left; padding: 5px 0; border-bottom: 1px solid var(--line);
  font-size: .95rem; vertical-align: top; line-height: 1.5;
}
.spec-table th { width: 42%; font-weight: 600; color: var(--ink); }
/* 分组标题行（Interface / Serial Communication …） */
.spec-table .spec-group th {
  padding: 13px 0 5px; border-bottom: 0; width: auto;
  font-size: .95rem; letter-spacing: .05em; text-transform: uppercase; color: var(--brand-strong);
}
.spec-table .spec-group:first-child th { padding-top: 4px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; margin-top: 18px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; overflow: hidden; }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer;
  padding: 16px 20px; font-weight: 600; color: var(--ink); list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { color: var(--brand); transition: transform .2s var(--ease); }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-body { padding: 0 20px 18px; }
.faq-body p { margin: 0; color: var(--muted); }

/* ---------- formulario ---------- */
.contact-form { margin-top: 20px; display: grid; gap: 16px; max-width: 520px; }
.field { display: grid; gap: 6px; }
.field label { font-size: .92rem; font-weight: 600; color: var(--ink); }
.field input, .field textarea {
  font: inherit; padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; color: var(--ink); transition: border-color .2s var(--ease);
}
.field input:focus, .field textarea:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 3px var(--brand-soft); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--muted); }
.consent input { margin-top: .35em; }
.form-note { font-size: .875rem; color: var(--muted); margin: 0; }
.download-list { display: grid; gap: 10px; margin-top: 16px; }
.download-list a {
  display: inline-flex; align-items: center; gap: .6em; font-weight: 500;
  padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff;
}
.download-list a:hover { border-color: var(--brand-line); background: var(--brand-soft); text-decoration: none; }
.download-meta { margin-left: auto; font-weight: 400; font-size: .875rem; color: var(--muted); }

/* ---------- legal doc（法务页：宽栏 + 统一格式） ---------- */
.legal-doc { max-width: 960px; counter-reset: legalsec; }
.legal-doc-head { padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.legal-doc .legal-intro { font-size: 1.02rem; max-width: none; }
.legal-toc {
  margin-top: 22px;
  background: transparent; border: 0; border-left: 3px solid var(--brand-line);
  border-radius: 0; padding: 4px 0 4px 20px;
}
.legal-toc-title {
  margin: 0 0 10px; font-size: .95rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
}
.legal-toc ol {
  list-style: none; margin: 0; padding: 0; counter-reset: toc;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 6px 26px;
}
.legal-toc li { counter-increment: toc; font-size: .95rem; }
.legal-toc li::before { content: counter(toc) ". "; color: var(--muted); }
.legal-toc a { color: var(--body); }
.legal-toc a:hover { color: var(--brand-strong); text-decoration: none; }
.legal-sec { scroll-margin-top: 96px; }
.legal-sec h2 {
  counter-increment: legalsec; margin: 34px 0 12px; padding-top: 20px;
  font-family: var(--font-sans); font-weight: 700; font-size: 1.14rem;
  border-top: 1px solid var(--line);
}
.legal-sec h2::before { content: counter(legalsec) ". "; color: var(--brand); }
.legal-sec p { max-width: none; line-height: 1.8; color: var(--body); }
/* 条款列表：分级编号（1.1 / 1.2 …），政策文书版式，不用勾选图标 */
.clause-list { list-style: none; margin: 14px 0 0; padding: 0; counter-reset: clause; }
.clause-list li {
  position: relative; padding-left: 2.6em; margin-bottom: 10px;
  line-height: 1.8; color: var(--body);
}
.clause-list li::before {
  content: counter(legalsec) "." counter(clause);
  counter-increment: clause;
  position: absolute; left: 0; width: 2.2em;
  color: var(--muted); font-variant-numeric: tabular-nums;
}
/* 条款末尾的提示框（如并入本条款的其他政策说明） */
.legal-doc .legal-note {
  margin-top: 32px; padding: 14px 18px;
  background: var(--surface); border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.legal-doc .legal-note p { margin: 0; }
.legal-doc .legal-contact { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); }
@media (max-width: 720px) {
  .legal-toc ol { grid-template-columns: 1fr; }
  .legal-sec h2 { font-size: 1.05rem; }
}

/* ---------- legal ---------- */
.legal-body h2 { font-size: 1.25rem; margin-top: 36px; }
.legal-intro { font-size: 1.05rem; color: var(--muted); }
.legal-kicker {
  margin: 10px 0 0; font-size: .95rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand);
}
.legal-contact { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); }
.legal-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

/* ---------- cloud disk（内部云盘入口卡片） ---------- */
.cloud-page-wrap {
  min-height: calc(100vh - 120px); background: var(--surface);
  display: flex; align-items: center; justify-content: center; padding: 72px 24px;
}
.cloud-card {
  background: var(--white); max-width: 720px; width: 100%;
  padding: 56px 48px; border-radius: 16px; box-shadow: var(--shadow-md); text-align: center;
}
.cloud-card h1 { font-size: 1.95rem; font-weight: 650; color: var(--ink); margin: 0 0 14px; line-height: 1.25; }
.cloud-sub { font-size: 1.02rem; color: var(--muted); margin: 0; }
.cloud-warning {
  font-size: .95rem; line-height: 1.8; color: var(--body); text-align: left;
  background: var(--brand-soft); border-left: 5px solid var(--brand);
  border-radius: 10px; padding: 24px 28px; margin: 28px 0 40px;
}
.cloud-warning p { margin: 12px 0 0; }
.cloud-warning p:last-child { margin-bottom: 0; }
.btn-enter-drive {
  display: inline-block; padding: 10px 28px; background: var(--brand); color: #fff;
  border-radius: var(--radius-sm); font-size: 1rem; font-weight: 600; text-decoration: none;
  transition: background-color .24s var(--ease), box-shadow .24s var(--ease);
}
.btn-enter-drive:hover { background: var(--brand-strong); color: #fff; text-decoration: none; box-shadow: var(--shadow); }
@media (max-width: 640px) {
  .cloud-page-wrap { padding: 40px 16px; }
  .cloud-card { padding: 36px 22px; }
  .cloud-card h1 { font-size: 1.5rem; }
  .cloud-warning { padding: 20px 18px; margin: 22px 0 30px; }
  .btn-enter-drive { padding: 8px 24px; width: 100%; }
}

/* ---------- artículo ---------- */
.article-media { padding: 32px 0 0; }
.article-media img { border-radius: var(--radius); width: 100%; }
.article-body { padding: 40px 0 72px; }
.article-body h2 { margin-top: 40px; }

/* ---------- pie ---------- */
.site-footer { border-top: 1px solid var(--shell-line); background: var(--shell); color: var(--shell-text); padding: 0; margin-top: 0; }
/* 4 个栏目等分整行，无品牌区；链接紧凑排列不留空行 */
.footer-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px 24px; padding: 40px 0 28px;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 22px; padding: 32px 0 22px; }
}
.footer-col h2 {
  position: relative; padding-bottom: 8px; margin-bottom: 8px;
  font-size: .82rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--shell-head); opacity: .9;
}
/* 栏目标题下的点缀色短横线（青），给页脚一点节奏 */
.footer-col h2::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 24px; height: 2px; border-radius: 2px; background: var(--accent);
}
.footer-col ul { display: grid; gap: 0; }
.footer-col li { line-height: 1.35; }
.footer-col a {
  display: inline-block; color: var(--shell-text); font-size: .92rem; line-height: 1.35;
  transition: color .18s var(--ease), transform .18s var(--ease);
}
.footer-col a:hover { color: #fff; text-decoration: none; transform: translateX(2px); }

/* 法务：一行文本链，用中点分隔，减少视觉噪音 */
.footer-legal { padding: 10px 0; border-top: 1px solid var(--shell-line); }
.footer-legal ul { display: flex; flex-wrap: wrap; gap: 6px 0; font-size: .875rem; color: var(--shell-text); }
.footer-legal li:not(:last-child)::after { content: "·"; margin: 0 10px; color: var(--shell-line); }
.footer-legal a { color: var(--shell-text); padding: 0; }
.footer-legal a:hover { color: #fff; text-decoration: underline; background: transparent; }

/* 底栏：与页脚同底，仅以上边线分隔，保持克制 */
.footer-bottom { border-top: 1px solid var(--shell-line); padding: 11px 0; }
.footer-bottom-inner { display: grid; gap: 6px; }
.footer-bottom-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.footer-bottom p { margin: 0; font-size: .875rem; color: var(--shell-text); }
.footer-legalnote {
  max-width: none; font-size: .875rem; color: var(--shell-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
/* 工厂站点链接：在深色底栏上用高辨识度的黄色，区别于普通正文链接 */
.footer-legalnote a { color: #ffdd44; }
.footer-legalnote a:hover { color: #fff0a8; text-decoration: underline; }
.footer-lang { display: flex; gap: 14px; flex-wrap: wrap; }
.footer-lang a { font-size: .875rem; color: var(--shell-text); }
.footer-lang a:hover { color: #fff; text-decoration: none; }

/* 返回顶部 */
.to-top {
  display: inline-flex; align-items: center; gap: .45em; cursor: pointer;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 8px 14px; font: inherit; font-size: .875rem; color: var(--body);
  transition: border-color .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
}
.to-top:hover { border-color: var(--brand-line); background: var(--brand-soft); color: var(--brand-strong); }
.to-top .icon { width: 15px; height: 15px; transform: rotate(180deg); }

/* ---------- cookies ---------- */
/* 同意横幅整体按比例收窄（宽度 540→400，内边距与字号同步下调），不遮挡页面内容 */
.cc-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 120;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); max-width: 400px; margin: 0 auto;
}
.cc-inner { padding: 11px 13px; display: grid; gap: 8px; }
.cc-text h2 { font-size: .8rem; margin-bottom: 3px; }
.cc-text p { margin: 0; font-size: .74rem; line-height: 1.45; color: var(--muted); }
.cc-prefs { display: grid; gap: 6px; padding: 8px 9px; background: var(--surface); border-radius: var(--radius-sm); }
.cc-row { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; }
.cc-row input { position: absolute; opacity: 0; width: 0; height: 0; }
.cc-switch {
  flex: none; width: 32px; height: 18px; border-radius: 999px; background: #cbd5e1;
  position: relative; transition: background-color .2s var(--ease); margin-top: 2px;
}
.cc-switch::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 13px; height: 13px;
  border-radius: 50%; background: #fff; transition: transform .2s var(--ease);
}
.cc-row input:checked + .cc-switch { background: var(--brand-strong); }
.cc-row input:checked + .cc-switch::after { transform: translateX(14px); }
.cc-row input:focus-visible + .cc-switch { outline: 2px solid var(--brand); outline-offset: 2px; }
.cc-row-locked { cursor: not-allowed; opacity: .75; }
.cc-labels { display: grid; }
.cc-labels strong { font-size: .76rem; color: var(--ink); }
.cc-labels em { font-style: normal; font-size: .71rem; line-height: 1.4; color: var(--muted); }
.cc-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.cc-reopen {
  position: fixed; left: 16px; bottom: 16px; z-index: 110; cursor: pointer;
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line);
  background: #fff; color: var(--brand-strong); display: grid; place-items: center;
  box-shadow: var(--shadow);
}
.cc-reopen:hover { background: var(--brand-soft); }

/* ---------- selector de idioma (raíz / 404) ---------- */
.page-root { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(180deg, #fff, var(--brand-soft)); }
.lang-gate { text-align: center; padding: 48px 24px; max-width: 620px; }
.lang-gate-logo { margin: 0 auto 24px; height: 38px; width: auto; }
.lang-gate h1 { margin-bottom: 14px; }
.lang-gate .lede { margin: 0 auto 32px; }
.lang-gate-list { display: grid; gap: 12px; margin-bottom: 28px; }
.lang-gate-list a {
  display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); cursor: pointer;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.lang-gate-list a:hover { text-decoration: none; border-color: var(--brand-line); box-shadow: var(--shadow); transform: translateY(-2px); }
.lang-gate-code {
  flex: none; width: 40px; height: 40px; border-radius: 8px; background: var(--brand-soft);
  color: var(--brand-strong); display: grid; place-items: center; font-weight: 700;
  font-size: .875rem; text-transform: uppercase;
}
.lang-gate-name { font-weight: 600; }
.lang-gate-region { margin-left: auto; font-size: .9rem; color: var(--muted); }
.lang-gate-list .icon { color: var(--brand); }
.lang-gate-note, .lang-gate-auto { font-size: .92rem; color: var(--muted); margin: 0; }
.lang-gate-auto { margin-top: 8px; }
.lang-gate-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 18px; }

/* ---------- mega menu ---------- */
.main-nav .nav-level-1 { align-items: stretch; min-height: var(--header-h); }
/* li 不建立定位上下文：面板统一相对 header 居中展开，永远不会溢出视口 */
.main-nav .nav-level-1 > li { position: static; display: flex; align-items: center; }
/* 整体等比缩小 ≈ 0.88：容器、间距、字号、按钮按同一比例缩放，不做宽度裁切 */
.nav-mega {
  display: none; position: absolute; z-index: 60;
  top: calc(100% + 6px); left: 50%; transform: translateX(-50%);
  width: min(616px, calc(100vw - 32px));
  max-height: calc(100vh - var(--header-h) - 20px); overflow-y: auto;
  background: var(--white); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow-lg); padding: 11px 13px;
}
/* 鼠标从导航项移到面板的「桥」，避免中途丢失 hover */
.nav-mega::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; }

@media (hover: hover) {
  .main-nav .nav-level-1 > li:hover > .nav-mega,
  .main-nav .nav-level-1 > li.is-open > .nav-mega { display: grid; }
}
/* 键盘用户：聚焦到面板内任意链接时也展开 */
.main-nav .nav-level-1 > li:focus-within > .nav-mega { display: grid; }
/* 卡片式（产品线）：家族分列，推广条在底部通栏 */
.nav-mega--cards { grid-template-columns: minmax(0, 1fr); gap: 10px; }
.nav-mega--cards .nav-mega-main { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(158px, 100%), 1fr)); gap: 10px 12px; }
/* 列表式（栏目）：单列 + 底部推广条 */
.nav-mega--list { grid-template-columns: minmax(0, 1fr); gap: 10px; }
.nav-mega--list .nav-mega-main { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px 12px; }

/* 网格项必须能收缩到轨道宽度，否则内部长单词会把面板撑出横向滚动条 */
.nav-col { min-width: 0; }
/* 注意：这里的 a 同时匹配 .main-nav a（胶囊样式：inline-flex + nowrap + 15px 内边距），
   必须提高特异性覆盖，否则标题不换行会把面板撑出横向滚动条 */
.nav-mega .nav-col-head {
  display: flex; align-items: center; gap: 5px; font-weight: 650; font-size: .8125rem;
  color: var(--ink); padding: 1px 0; border-radius: 0;
  white-space: normal; overflow-wrap: anywhere; min-width: 0;
}
.nav-mega .nav-col-head:hover { color: var(--brand-strong); background: transparent; text-decoration: none; }
.nav-count {
  font-size: .68rem; font-weight: 700; color: var(--brand-strong); background: var(--brand-soft);
  border: 1px solid var(--brand-line); border-radius: 999px; padding: 0 5px; line-height: 1.5;
}
.nav-col-list { display: grid; gap: 1px; min-width: 0; }
.nav-col-list a {
  display: block; font-size: .78rem; color: var(--body); padding: 2px 0; line-height: 1.4;
  white-space: normal; overflow-wrap: anywhere;
}
.nav-col-list a:hover { color: var(--brand-strong); text-decoration: none; }

/* 列表式条目：整行可点 */
.nav-mega--list .nav-col { padding: 4px 7px; border-radius: var(--radius-sm); transition: background-color .18s var(--ease); }
.nav-mega--list .nav-col:hover { background: var(--brand-soft); }

/* 推广条：统一为底部紧凑单行 */
.nav-mega-promo {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px;
  background: var(--brand-soft); border: 1px solid var(--brand-line);
  border-left: 3px solid var(--brand);
  border-radius: 10px; padding: 8px 11px 8px 10px;
}
.nav-mega-promo h3 { font-size: .8125rem; margin-bottom: 1px; }
.nav-mega-promo p { font-size: .78rem; line-height: 1.45; color: var(--muted); margin-bottom: 0; }
/* 「Request a quote」：色块明显大于文字，白字与深蓝底高对比 */
.nav-mega-promo .btn {
  flex: none; min-width: 134px; min-height: 34px; padding: 8px 17px;
  font-size: .8rem; letter-spacing: .01em;
  background: var(--brand-strong); color: #fff;
  border-radius: var(--radius-sm); box-shadow: var(--shadow-sm);
}
.nav-mega-promo .btn:hover { background: #08308f; box-shadow: var(--shadow-md); }

/* ---------- Custom Solutions 专用面板：分组 + 图标 + 说明 ---------- */
.nav-mega--custom { grid-template-columns: minmax(0, 1fr); gap: 12px; }
.nav-mega--custom .nav-mega-main { display: grid; gap: 14px; }
.nav-custom-group > h3 {
  margin: 0 0 8px; font-size: .7rem; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--muted);
}
.nav-custom-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
/* 提权到 .nav-mega 之下：面板内的 a 同时匹配 .main-nav a（inline-flex + nowrap + 15px 内边距） */
.nav-mega .nav-custom-list a {
  display: flex; align-items: center; gap: 9px;
  padding: 6px 8px; border-radius: var(--radius-sm);
  white-space: normal; color: var(--ink); font-size: .82rem;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}
.nav-mega .nav-custom-list a:hover { background: var(--brand-soft); color: var(--brand-strong); text-decoration: none; }
.nav-mega .nav-custom-list .icon { flex: none; width: 17px; height: 17px; color: var(--brand-strong); }
.nav-mega .nav-custom-body { min-width: 0; display: grid; }
.nav-mega .nav-custom-body strong { font-weight: 650; }
.nav-mega .nav-custom-body em { font-style: normal; font-size: .75rem; color: var(--muted); line-height: 1.35; }

/* 重点三条（小批量能力）：卡片化，视觉最明显 */
.nav-custom-list--cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.nav-mega .nav-custom-list--cards a {
  align-items: flex-start; gap: 10px; padding: 12px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, #fff 0%, var(--surface) 100%);
  box-shadow: 0 1px 2px rgba(15, 29, 55, .05);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.nav-mega .nav-custom-list--cards a:hover {
  border-color: var(--brand-line); background: #fff;
  box-shadow: 0 8px 18px rgba(15, 29, 55, .10); transform: translateY(-2px);
}
.nav-mega .nav-custom-list--cards .icon {
  width: 20px; height: 20px; box-sizing: content-box; padding: 8px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
  color: #fff; box-shadow: 0 4px 10px rgba(11, 95, 255, .26);
}

/* ---------- B2B: condiciones comerciales / trade panel ---------- */
.trade-panel { background: var(--brand-soft); border-top: 1px solid var(--brand-line); border-bottom: 1px solid var(--brand-line); padding: 26px 0; }
.trade-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.trade-item { display: flex; flex-direction: column; gap: 6px; }
.trade-label { display: inline-flex; align-items: center; gap: 8px; font-size: .875rem; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.trade-label .icon { width: 16px; height: 16px; color: var(--brand); }
.trade-item strong { font-size: 1.02rem; color: var(--ink); }

/* ---------- documents ---------- */
.doc-size { margin-left: auto; font-size: .875rem; color: var(--muted); }
.empty-note, .info-note {
  display: flex; align-items: center; gap: 10px; background: var(--surface);
  border: 1px dashed var(--line); border-radius: var(--radius); padding: 16px 18px; color: var(--muted);
}
/* Download 空态：提示下方留一个索取资料的出口，避免死胡同 */
.btn-download-cta { margin-top: 14px; }

/* ---------- pasos de proceso / process steps ---------- */
.step-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.step { display: flex; gap: 18px; align-items: flex-start; }
.step-num {
  flex: none; width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: var(--brand); color: #fff; font-weight: 700; font-size: .95rem;
}
.step h3 { margin: 0 0 4px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); }

/* ---------- formularios / forms ---------- */
.quote-form { margin-top: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; font-size: .95rem; }
.form-field > span { font-weight: 600; color: var(--ink); }
.form-field input, .form-field select, .form-field textarea {
  font: inherit; color: var(--ink); background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 11px 13px; width: 100%;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand);
}
.form-full { grid-column: 1 / -1; }
.form-field.consent { flex-direction: row; align-items: flex-start; gap: 10px; }
.form-field.consent input { width: auto; margin-top: 4px; }
.form-field.consent label { font-size: .92rem; color: var(--muted); }
.form-note { margin: 14px 0 0; font-size: .9rem; color: var(--muted); }
.quote-form .btn { margin-top: 20px; }
/* 蜜罐字段：真人看不到，机器人填了会被静默丢弃 */
.quote-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 14px 0 0; font-size: .92rem; font-weight: 600; }
.form-status:empty { margin: 0; }
.form-status.is-pending { color: var(--muted); font-weight: 500; }
.form-status.is-ok { color: #0f7b3d; }
.form-status.is-error { color: #c0392b; }
.form-fallback { display: inline-block; margin-left: 8px; font-weight: 600; text-decoration: underline; }

/* ---------- tarjetas de enlace / link cards ---------- */
.link-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.link-card {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px;
  font-weight: 600; color: var(--ink); background: var(--white); transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.link-card:hover { border-color: var(--brand-line); box-shadow: var(--shadow-sm); text-decoration: none; color: var(--brand-strong); }
.link-card .icon { width: 18px; height: 18px; }
.link-card-count { flex: none; font-size: .85rem; font-weight: 400; color: var(--muted); }

/* 大类目页：子类目入口按钮——品牌蓝实心卡片 + 白字，在白色页面上形成明确视觉焦点 */
.category-cards { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.category-cards .link-card {
  /* 两行结构：第一行图标+标题，第二行数量徽标+箭头，避免一行塞四样把标题挤成多行 */
  flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 16px 18px; border-radius: 16px;
  min-height: 104px; border-color: transparent;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(11, 95, 255, .22);
  transition: filter .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.category-cards .link-card > span:first-child {
  display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1 1 100%;
  font-size: 1.05rem; font-weight: 700; color: #fff; overflow-wrap: anywhere;
}
.category-cards .link-card .icon {
  flex: none; width: 22px; height: 22px; box-sizing: content-box;
  padding: 9px; border-radius: 12px;
  background: rgba(255, 255, 255, .20); color: #fff;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}
.category-cards .link-card-count {
  margin-left: auto; font-size: .78rem; font-weight: 700; color: #fff;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .38);
  padding: 3px 10px; border-radius: 999px;
}
.category-cards .link-card::after {
  content: '→'; flex: none; font-size: 1.1rem; line-height: 1;
  color: #fff; opacity: .75;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.category-cards .link-card:hover {
  border-color: transparent; filter: brightness(1.12);
  box-shadow: 0 14px 30px rgba(11, 95, 255, .34); transform: translateY(-3px);
  color: #fff; text-decoration: none;
}
.category-cards .link-card:hover .icon { background: #fff; color: var(--brand-strong); }
.category-cards .link-card:hover::after { opacity: 1; transform: translateX(4px); }
@media (max-width: 720px) {
  .category-cards { grid-template-columns: 1fr; gap: 12px; }
  .category-cards .link-card { padding: 14px 16px; min-height: 0; }
}

/* ---------- artículo / article ---------- */
.article-layout { max-width: 820px; }
.article-media { margin: 0 0 28px; }
.article-media img { width: 100%; border-radius: var(--radius); }
.cat-sublist { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 4px; }
.cat-sublist li { font-size: .92rem; color: var(--muted); }
.chip-count { font-size: .82rem; color: var(--muted); }
.product-trade { margin: 8px 0 0; font-size: .9rem; color: var(--muted); }

/* ---------- banner de categoría ---------- */
.page-banner { background: var(--surface); border-bottom: 1px solid var(--line); }
.page-banner img {
  display: block; width: 100%; height: auto; aspect-ratio: 3 / 1; object-fit: cover;
}
@media (max-width: 860px) {
  .page-banner img { aspect-ratio: 2 / 1; }
}
@media (max-width: 520px) {
  .page-banner img { aspect-ratio: 16 / 9; }
}

/* ---------- ficha de producto (layout flykantech) ---------- */
.product-title {
  text-transform: uppercase; letter-spacing: .01em; line-height: 1.3;
  /* 原 clamp(1.1rem, 1.8vw, 1.5rem)：产品名普遍偏长，再降一档避免挤成三行 */
  font-size: clamp(1rem, 1.5vw, 1.3rem); margin: 0 0 8px;
}
.product-model { margin: 0 0 8px; font-size: .95rem; font-weight: 600; color: var(--muted); }
.product-lead { margin: 0 0 12px; color: var(--muted); }
/* 产品详情正文小一号（全局 17px → 15.5px）：型号 No. 下简介 +
   DESCRIPTION / FEATURES / SPECIFICATIONS / DOWNLOAD 四个标签页内的文字。
   标签按钮（.tab-btn 1.12rem）与规格分组小标题（.95rem）保持原字号不变 */
.product-lead,
.product-tabs-section .tab-pane { font-size: 15.5px; }
.product-actions { display: flex; flex-wrap: wrap; gap: 10px; }
/* 详情页右栏整体收紧：按钮略小，避免内容超过左侧主图底部 */
.product-actions .btn-lg { padding: 7px 18px; font-size: .9375rem; }
/* 表单提交失败时的定位码（如 http_404 / not_configured / send_failed），排查用 */
.form-status-ref { display: block; margin-top: 6px; font-size: .8rem; opacity: .75; }
/* 询价按钮下方的补充说明（如在线目录能看什么） */
.product-note { margin: 8px 0 0; font-size: .8125rem; color: var(--muted); }
.product-share {
  margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
/* 分享区下方的贸易术语说明 */
.product-note--terms { padding-top: 10px; font-weight: 600; }
/* 产品级说明块（如 USB 版本说明 + 贸易术语）：有 termsInfo 时替换上面的单行说明 */
.product-terms {
  margin-top: 10px; padding: 10px 12px;
  /* 中性灰阶：不与品牌蓝抢视觉，作为右栏底部的补充说明 */
  border: 1px solid #e9ecf1; border-left: 3px solid #d3d9e2;
  border-radius: var(--radius-sm); background: #f7f8fa;
}
.product-terms-title { margin: 0 0 6px; font-size: .8125rem; font-weight: 600; color: #4b5563; }
.product-terms-list {
  margin: 0 0 8px; padding-left: 16px;
  display: grid; gap: 3px; font-size: .75rem; line-height: 1.45; color: #6b7280;
}
.product-terms-note {
  margin: 0; padding-top: 6px; border-top: 1px dashed #e2e6ec;
  font-size: .6875rem; font-weight: 500; color: #8a94a3;
}
@media (max-width: 560px) { .product-terms { padding: 9px 11px; } .product-terms-list { font-size: .75rem; } }
.share-label { display: inline-flex; align-items: center; gap: 8px; font-size: .875rem; color: var(--muted); }
.share-label .icon { width: 16px; height: 16px; }
/* 分享：品牌色圆形小图标按钮 */
.share-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.share-list a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--muted); color: #fff;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), filter .18s var(--ease);
}
.share-list a .icon { width: 15px; height: 15px; }
.share-list a:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); filter: brightness(1.08); text-decoration: none; }
.share-list a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.share-list a[data-share="facebook"] { background: #1877f2; }
.share-list a[data-share="line"] { background: #06c755; }
.share-list a[data-share="twitter"] { background: #0f1419; }
.share-list a[data-share="whatsapp"] { background: #25d366; }
.share-list a[data-share="pinterest"] { background: #bd081c; }
.share-list a[data-share="tumblr"] { background: #35465c; }
.share-list a[data-share="linkedin"] { background: #0a66c2; }

/* 产品页下方区块（相关产品 / FAQ）：沿用同一套紧凑留白 */
.product-extra { padding: 52px 0; }
.product-extra .section-head { margin-bottom: 24px; }
.product-extra .faq { margin-top: 14px; }

/* 产品页：收窄 Share 区与选项卡栏之间的纵向留白（原 72+46=118px） */
.product-detail { padding: 44px 0 32px; }
.product-tabs-section { padding-top: 24px; padding-bottom: 44px; }
.product-tabs { display: none; gap: 0; border-bottom: 2px solid var(--line); }
.product-tabs-section.has-js .product-tabs { display: flex; flex-wrap: wrap; }
.product-tabs-section.has-js .tab-pane { display: none; }
.product-tabs-section.has-js .tab-pane.is-active { display: block; }
.tab-btn {
  appearance: none; -webkit-appearance: none; background: none; border: 0; cursor: pointer;
  font: inherit; font-size: 1.12rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); padding: 12px 18px; margin-bottom: -2px; border-bottom: 2px solid transparent;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.is-active { color: var(--brand-strong); border-bottom-color: var(--brand); }
.tab-panes { padding-top: 18px; }
/* 首页标签条：Popular Product Categories | New & Featured Products */
.home-tabs .section-head { margin-bottom: 0; }
.home-tabs .tab-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
/* 分隔竖线去掉：胶囊按钮自身已有间隔 */
.home-tabs .tab-sep { display: none; }
/* 首页两个标签做成实心胶囊：选中态用品牌蓝实底 + 白字，比下划线更醒目 */
.home-tabs .tab-btn {
  font-size: 1.25rem; letter-spacing: .01em; text-transform: none;
  padding: 10px 22px; margin-bottom: 0;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; color: var(--ink);
  box-shadow: 0 1px 2px rgba(11, 27, 47, .05);
  transition: color .2s var(--ease), border-color .2s var(--ease),
              background .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.home-tabs .tab-btn:hover {
  color: var(--brand-strong); border-color: var(--brand-line);
  transform: translateY(-1px); box-shadow: 0 6px 14px rgba(11, 27, 47, .1);
}
.home-tabs .tab-btn.is-active {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
  color: #fff; border-color: transparent;
  box-shadow: 0 10px 22px rgba(11, 95, 255, .32);
}
.home-tabs .tab-btn.is-active:hover { color: #fff; transform: none; }
@media (max-width: 640px) {
  .home-tabs .tab-btn { font-size: 1.0625rem; padding: 10px 18px; }
}
/* 无 JS 时两个面板都展开，标签按钮退化为普通文字 */
.home-tabs.has-js .tab-pane { display: none; }
.home-tabs.has-js .tab-pane.is-active { display: block; }
.home-tabs:not(.has-js) .tab-bar { display: none; }
/* 标签页正文占满栏宽，不再被全局的 68ch 阅读行长截断 */
.tab-pane p { color: var(--muted); margin: 0 0 12px; max-width: none; }
.tab-subhead {
  margin: 20px 0 10px; font-size: .95rem; letter-spacing: .05em; text-transform: uppercase; color: var(--ink);
}
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.tab-pane .feature-list { margin-bottom: 14px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); line-height: 1.5; }
.feature-list .icon { flex: none; width: 18px; height: 18px; color: var(--brand); margin-top: 3px; }
/* 文案自带 ■ 项目符号：不再插入图标，按原样排版 */
.feature-list--plain li { display: block; color: var(--body); }
/* 规格参数：与 FEATURES 同版式（同行距/字号/缩进），不带勾图标；标签加粗、值紧随其后 */
.feature-list--spec li { display: block; padding-left: 28px; }
/* 该页 FEATURES 自带 ■ 符号、文字顶格时，规格也跟着顶格 */
.feature-list--spec-plain li, .feature-list--spec-plain .spec-group-li { padding-left: 0; }
.feature-list .spec-line strong { color: var(--ink); font-weight: 600; }
.feature-list .spec-group-li {
  display: block; padding-left: 28px; margin: 16px 0 4px;
  font-size: .95rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--brand-strong);
}
.feature-list .spec-group-li:first-child { margin-top: 0; }
.product-tabs-section .spec-table { max-width: 760px; }
.product-tabs-section .spec-table + .tab-subhead { margin-top: 22px; }

/* 导航深链锚点：避开吸顶头部 */
section[id], .feature[id] { scroll-margin-top: 92px; }

/* ---------- banners（分类页 / 产品页 / 首页轮播） ---------- */
.page-banner--slim img { aspect-ratio: 24 / 5; }
@media (max-width: 860px) { .page-banner--slim img { aspect-ratio: 16 / 5; } }
@media (max-width: 520px) { .page-banner--slim img { aspect-ratio: 3 / 1; } }

/* 导航栏下方的通栏轮播：图片按原比例完整展示，不裁切、不限宽 */
.banner-top { padding: 0; background: var(--shell); }
.banner-top-inner { width: 100%; }
.banner-top + .hero { padding-top: 52px; }

.banner-slider {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-sm);
}
.banner-top .banner-slider {
  max-width: 1920px; margin: 0 auto; border-radius: 0;
  border-left: 0; border-right: 0; border-top: 0; box-shadow: none;
}
.banner-track { display: grid; }
.banner-slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity .45s ease; }
.banner-slider:not(.has-js) .banner-slide:first-child,
.banner-slider.has-js .banner-slide.is-active { opacity: 1; visibility: visible; }
.banner-slide-link { display: block; position: relative; }
.banner-slide img { display: block; width: 100%; height: auto; }
.banner-slide-caption {
  position: absolute; left: 18px; bottom: 16px; z-index: 2;
  background: rgba(15, 23, 42, .74); color: #fff; font-size: .85rem; font-weight: 600;
  padding: 7px 14px; border-radius: 999px; letter-spacing: .01em;
}
.banner-slide-link:hover .banner-slide-caption { background: var(--brand-strong); }

.banner-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 40px; height: 40px; display: grid; place-items: center; cursor: pointer;
  border: 1px solid var(--line); border-radius: 50%; background: rgba(255, 255, 255, .92);
  color: var(--ink); box-shadow: var(--shadow-sm);
}
.banner-nav:hover { background: #fff; color: var(--brand-strong); }
.banner-nav .icon { width: 20px; height: 20px; }
.banner-prev { left: 14px; }
.banner-prev .icon { transform: rotate(180deg); }
.banner-next { right: 14px; }
.banner-slider:not(.has-js) .banner-nav { display: none; }

.banner-dots {
  position: absolute; left: 50%; transform: translateX(-50%); bottom: 14px; z-index: 3;
  display: flex; gap: 8px; padding: 6px 10px; border-radius: 999px; background: rgba(15, 23, 42, .35);
}
.banner-dot {
  width: 9px; height: 9px; padding: 0; cursor: pointer; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .55);
}
.banner-dot.is-active { background: var(--brand); }
.banner-slider:not(.has-js) .banner-dots { display: none; }

@media (max-width: 860px) {
  .banner-nav { width: 34px; height: 34px; }
  .banner-prev { left: 8px; }
  .banner-next { right: 8px; }
}
@media (max-width: 520px) {
  .banner-slide-caption { left: 10px; bottom: 10px; font-size: .9rem; padding: 5px 10px; }
}
@media (prefers-reduced-motion: reduce) { .banner-slide { transition: none; } }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  /* mega menu 在抽屉里降级为可折叠列表 */
  .main-nav .nav-mega {
    position: static; display: none; width: auto; max-height: none; overflow: visible;
    transform: none; left: auto;
    box-shadow: none; border: 0; background: transparent; padding: 2px 0 12px 10px;
    grid-template-columns: 1fr; gap: 14px;
  }
  .main-nav .nav-mega::before { display: none; }
  .main-nav .nav-level-1 > li.sub-open > .nav-mega,
  .main-nav .nav-level-1 > li.is-open > .nav-mega { display: grid; }
  .main-nav .nav-mega--cards .nav-mega-main,
  .main-nav .nav-mega--list .nav-mega-main { grid-template-columns: 1fr; gap: 16px; }
  .main-nav .nav-custom-list--cards { grid-template-columns: 1fr; }
  .main-nav .nav-mega--list .nav-col { padding: 0; }
  .main-nav .nav-mega--list .nav-col:hover { background: transparent; }
  .nav-mega-promo { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .header-cta { display: none; }
}
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { order: -1; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  /* 抽屉式移动导航 */
  .main-nav {
    position: fixed; top: var(--header-h); right: 0; bottom: 0; left: auto; z-index: 56;
    width: min(88vw, 360px); display: block; overflow-y: auto; overscroll-behavior: contain;
    background: var(--shell); border-left: 1px solid var(--shell-line); padding: 18px 20px 32px;
    box-shadow: var(--shadow-lg);
    transform: translateX(102%); visibility: hidden;
    transition: transform .28s var(--ease), visibility .28s var(--ease);
  }
  .main-nav.is-open { transform: none; visibility: visible; }
  .nav-backdrop {
    position: fixed; inset: 0; z-index: 55; border: 0; padding: 0; cursor: pointer;
    background: rgba(15, 23, 42, .45);
    opacity: 0; visibility: hidden; transition: opacity .25s var(--ease), visibility .25s var(--ease);
  }
  .nav-backdrop.is-open { opacity: 1; visibility: visible; }
  body.nav-locked { overflow: hidden; }

  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav .nav-level-1 > li { border-bottom: 1px solid var(--shell-line); }
  .main-nav .nav-level-1 > li:last-child { border-bottom: 0; }
  .main-nav a { display: flex; justify-content: space-between; padding: 12px 10px; font-size: 1rem; }
  .main-nav a[aria-current="page"] { background: var(--shell-soft); color: #fff; }
  .nav-toggle { display: inline-flex; }
  .header-shop { display: none; }
  .section { padding: 52px 0; }

  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 620px) {
  body { font-size: 16.5px; }
  /* 窄屏同步：产品正文也降一档，避免与全局正文差距过大 */
  .product-lead,
  .product-tabs-section .tab-pane { font-size: 15px; }
  .wrap { padding: 0 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 44px 0 32px; }
  .footer-legal a { font-size: .875rem; padding: 4px 10px; }
  .cc-actions { flex-direction: column; }
  .cc-actions .btn { width: 100%; }
  .footer-bottom-inner { gap: 8px; }
  .footer-legalnote { white-space: normal; }
}

/* ---------- 首页推广弹窗（静态站点：纯 DOM + JS 控制显隐） ---------- */
.fk-popup-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, .75); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  padding: 15px; box-sizing: border-box;
}
.fk-popup-overlay[hidden] { display: none; }
/* 容器贴合图片本身，不再留白色底板/白边 */
.fk-popup-wrap {
  position: relative; width: auto; max-width: min(520px, 92vw);
  background: transparent; box-shadow: none;
}
.fk-popup-close {
  position: absolute; top: 8px; right: 8px; width: 32px; height: 32px;
  background: rgba(0, 0, 0, .45); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 18px; line-height: 1; z-index: 2;
}
.fk-popup-close:hover { background: rgba(0, 0, 0, .7); }
/* 竖版素材（如 1086×1448）在矮屏上不溢出视口，等比缩放 */
.fk-popup-img-link { display: block; line-height: 0; }
.fk-popup-img-link img {
  display: block; width: auto; height: auto;
  max-width: min(520px, 92vw); max-height: 88vh;
  border-radius: 8px; box-shadow: var(--shadow-lg);
}

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

/* ---------- Add-on services 页：服务卡配色分组 + 主推项高亮 ---------- */
.feature-grid--tinted .feature {
  position: relative; overflow: hidden;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.feature-grid--tinted .feature::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--tone, var(--brand));
}
.feature-grid--tinted .feature:hover {
  transform: translateY(-3px); border-color: var(--tone, var(--brand)); box-shadow: 0 8px 22px rgba(15, 23, 42, .08);
}
.feature-grid--tinted .feature-icon { background: var(--tone-soft, var(--brand-soft)); color: var(--tone, var(--brand-strong)); }
/* 主推服务：同色浅底 + 彩色边框，配合右上角徽章 */
.feature-grid--tinted .feature.is-featured {
  background: linear-gradient(180deg, var(--tone-soft, var(--brand-soft)) 0%, #fff 55%);
  border-color: var(--tone, var(--brand));
}
.feature-flag {
  position: absolute; top: 14px; right: 14px;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--tone, var(--brand-strong)); background: #fff;
  border: 1px solid var(--tone, var(--brand)); border-radius: 999px; padding: 3px 9px;
}
/* 四色轮换：品牌蓝 / 青 / 靛紫 / 琥珀 */
.feature--t0 { --tone: #0b5fff; --tone-soft: #e8f0ff; }
.feature--t1 { --tone: #0d8f96; --tone-soft: #e2f4f4; }
.feature--t2 { --tone: #6f52e8; --tone-soft: #ece7fd; }
.feature--t3 { --tone: #b8700a; --tone-soft: #fbeed9; }

/* 流程步骤：编号沿用同一组色，并加竖向连接线 */
.step-list--tinted .step { position: relative; padding-bottom: 20px; }
.step-list--tinted .step:not(:last-child)::after {
  content: ""; position: absolute; left: 20px; top: 46px; bottom: 2px; width: 2px;
  background: linear-gradient(180deg, var(--brand-line), rgba(11, 95, 255, .06));
}
.step-list--tinted .step:nth-child(4n+1) .step-num { background: #0b5fff; }
.step-list--tinted .step:nth-child(4n+2) .step-num { background: #0d8f96; }
.step-list--tinted .step:nth-child(4n+3) .step-num { background: #6f52e8; }
.step-list--tinted .step:nth-child(4n) .step-num { background: #b8700a; }

/* 页头：渐变底 + 品牌色分隔线，让首屏有落点 */
.page-head--services {
  background: linear-gradient(135deg, #e9f0ff 0%, #f5f8ff 45%, #ffffff 100%);
  border-bottom: 1px solid var(--brand-line);
}
.page-head--services .lede { color: #3f4f68; }

/* ---------- Mixed-model consolidation 说明页 ---------- */
.step-points { margin: 8px 0 0; padding-left: 18px; display: grid; gap: 4px; }
.step-points li { font-size: .9rem; color: var(--muted); }
.mm-note { margin: 10px 0 0; font-size: .84rem; color: var(--muted); }
.mm-back { margin: 18px 0 34px; font-size: .92rem; }
/* 痛点 → 解决方案卡片：问题与对策在同一张卡里形成闭环 */
.pain-list { display: grid; gap: 20px; }
.pain-card {
  display: flex; gap: 20px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--brand-strong);
  border-radius: var(--radius); padding: 22px 24px;
}
.pain-card .feature-icon { flex: none; margin-bottom: 0; }
.pain-body { min-width: 0; }
.pain-body h3 { margin: 0 0 10px; font-size: 1.05rem; }
.pain-problem, .pain-fix, .pain-proof {
  margin: 0; font-size: .93rem; color: var(--muted);
}
.pain-problem, .pain-fix { display: block; margin-bottom: 8px; }
.pain-proof { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.pain-proof strong { color: var(--ink); }
.pain-tag {
  display: inline-block; margin-right: 8px; padding: 2px 8px; border-radius: 999px;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  background: var(--brand-soft); color: var(--brand-strong);
}
.pain-tag--fix { background: var(--accent-soft, var(--brand-soft)); color: var(--brand-strong); }
@media (max-width: 640px) {
  .pain-card { flex-direction: column; gap: 12px; padding: 18px; }
}
/* 服务卡标题链接：只有配了详情页的服务才有（当前仅 Mixed-model consolidation） */
.feature-link { color: inherit; }
.feature-link:hover { color: var(--brand-strong); text-decoration: none; }
.feature-link .icon { width: 15px; height: 15px; vertical-align: -2px; }

/* 混装说明页插画：满宽、圆角、与卡片一致的分隔线 */
.mm-figure { margin: 28px 0 0; }
.mm-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }

/* 服务卡整卡可点击：标题链接用伪元素铺满整张卡，配合卡片底部的 How it works 提示 */
.feature-grid--tinted .feature.is-link { cursor: pointer; }
.feature-grid--tinted .feature.is-link .feature-link::after { content: ""; position: absolute; inset: 0; }
.feature-grid--tinted .feature.is-link:hover { border-color: var(--tone, var(--brand)); }
.feature-more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 12px;
  font-size: .84rem; font-weight: 600; color: var(--tone, var(--brand-strong));
}
.feature-more .icon { width: 15px; height: 15px; }
.feature-grid--tinted .feature.is-link:hover .feature-more { text-decoration: underline; }

/* ---------- 商务邀约区块（混装 / 小批量印刷说明页） ---------- */
.invitation {
  position: relative; padding: 26px 30px 24px 34px;
  background: linear-gradient(180deg, #f7faff 0%, #ffffff 100%);
  border: 1px solid var(--brand-line); border-radius: var(--radius);
}
.invitation::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  border-radius: 4px 0 0 4px; background: var(--brand);
}
.invitation-salutation { margin: 0 0 14px; font-size: 1.02rem; font-weight: 700; color: var(--ink); }
.invitation p { margin: 0 0 13px; color: var(--body); line-height: 1.7; }
.invitation-sign { margin: 18px 0 0 !important; font-size: .88rem; color: var(--muted); }
.invitation-sign strong { display: block; font-size: .96rem; color: var(--ink); }

/* ---------- 顶部贸易术语公告条：位于导航栏之上，整站最顶部；深底比导航栏再深一档，避免两块深色糊成一片 ---------- */
.trade-notice {
  background: #071426; color: #d7e3f4;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.trade-notice-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 8px 14px; flex-wrap: wrap; padding: 9px 0;
}
.trade-notice-badge {
  font-size: .75rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  background: var(--brand); color: #ffffff; border-radius: 999px; padding: 4px 12px; flex: none;
}
.trade-notice-text { margin: 0; font-size: .9375rem; font-weight: 650; color: #eaf1ff; }
.trade-notice-link {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  font-size: .9375rem; font-weight: 700; color: #7cc4ff; text-decoration: underline;
}
.trade-notice-link .icon { width: 1em; height: 1em; }
.trade-notice-link:hover { color: #ffffff; text-decoration: none; }
@media (max-width: 720px) {
  .trade-notice-inner { padding: 8px 0; }
  .trade-notice-text { flex: 1 1 100%; text-align: center; }
}