/* ============================================================
   NEXCORP International — Corporate Website
   Design: Minimalist Business, Low Saturation, Flat & Responsive
   Fonts: Inter (Latin) + System Fallback
   ============================================================ */

/* -------------------- CSS Variables -------------------- */
:root {
  --color-bg: #f5f6f8;
  --color-bg-alt: #eaecf0;
  --color-surface: #ffffff;
  --color-text: #1c2026;
  --color-text-secondary: #5f6b7a;
  --color-text-muted: #929aab;
  --color-accent: #4f7287;
  --color-accent-hover: #3d5a6b;
  --color-accent-light: #e2eaf0;
  --color-accent-glow: rgba(79,114,135,.14);
  --color-border: #d9dde3;
  --color-border-light: #eef0f3;
  --color-dark: #1a1e23;
  --color-success: #5a8f7a;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;

  --max-width: 1240px;
  --header-height: 68px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,.07);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.10);
  --shadow-glow: 0 0 30px rgba(79,114,135,.12);

  --transition: 0.28s cubic-bezier(.4,0,.2,1);
  --transition-slow: 0.45s cubic-bezier(.4,0,.2,1);
}

/* -------------------- Reset & Base -------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection { background: var(--color-accent); color: #fff; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .55; }
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* -------------------- Typography -------------------- */
h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.2rem; }

/* -------------------- Header / Navigation -------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border-light);
  background: rgba(255,255,255,.95);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--color-dark);
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--color-dark);
  color: var(--color-bg-alt);
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
}

/* ---- Nav ---- */
.nav__list { display: flex; gap: 4px; }

.nav__link {
  display: block;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover {
  color: var(--color-accent);
  background: rgba(255,255,255,.08);
}
.nav__link.active {
  /* 滚动激活已关闭；保留类以兼容旧页，仅作 hover 同款以备需 */
  color: var(--color-accent);
  background: rgba(255,255,255,.08);
}

/* ---- Lang Switch ---- */
.header__actions { display: flex; align-items: center; gap: 16px; }

.lang-switch { display: flex; align-items: center; gap: 0; font-size: 0.85rem; }

.lang-btn {
  padding: 8px 16px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.lang-btn--active {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.lang-btn:hover { color: var(--color-accent); background: var(--color-accent-light); }
.lang-divider { color: var(--color-border); margin: 0 2px; }

/* 中/EN 合并切换按钮：单一按钮，中 与 EN 两层重叠，点击切换 */
.lang-toggle {
  position: relative;
  width: 40px;
  height: 34px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  line-height: 1;
  cursor: pointer;
  overflow: hidden;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.lang-toggle__zh,
.lang-toggle__en {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition), transform var(--transition);
}
/* 默认（中文态）：显示「中」，隐藏「EN」 */
.lang-toggle__zh { opacity: 1; transform: translateY(0); }
.lang-toggle__en { opacity: 0; transform: translateY(100%); }
/* 英文态：显示「EN」，隐藏「中」 */
.lang-toggle--en .lang-toggle__zh { opacity: 0; transform: translateY(-100%); }
.lang-toggle--en .lang-toggle__en { opacity: 1; transform: translateY(0); }
.lang-toggle:hover { color: var(--color-accent); border-color: var(--color-accent); background: rgba(255,255,255,.08); }
/* 6 个内容页：中/EN 切换按钮整体隐藏 */
.lang-toggle--hidden { display: none !important; }

/* ---- Hamburger ---- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.hamburger__line {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger--open .hamburger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger--open .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger--open .hamburger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -------------------- Section Common -------------------- */
.section { padding: 100px 0; position: relative; }
.section--alt { background: var(--color-bg-alt); }

.section__header { text-align: center; margin-bottom: 60px; }

.section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--color-accent);
  border-radius: 50%;
  margin-bottom: 16px;
  box-shadow: 0 0 0 6px var(--color-accent-light);
}

.section__title {
  margin-bottom: 8px;
  color: var(--color-dark);
  letter-spacing: -0.02em;
  position: relative;
}

.section__subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* -------------------- 1. HERO / HOME -------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-dark);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 35%, rgba(10,40,70,.32) 65%, rgba(5,25,50,.55) 100%),
    linear-gradient(180deg, rgba(5,25,50,.22) 0%, transparent 30%, transparent 70%, rgba(5,25,50,.38) 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 80px;
  color: #fff;
}

.hero__tagline {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 24px;
  animation: fadeIn .8s ease both;
}

.hero__title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 200;
  line-height: 1.2;
  margin-bottom: 28px;
  animation: fadeInUp .8s .1s ease both;
}

.hero__title--accent {
  display: block;
  font-weight: 600;
  background: linear-gradient(135deg, #b8d4e8 0%, #8aafca 50%, #d4e4f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 6px;
}

.hero__desc {
  max-width: 640px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,.68);
  animation: fadeInUp .8s .2s ease both;
}

.hero__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
  animation: fadeInUp .8s .3s ease both;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 32px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--color-accent-glow);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--color-accent-glow);
}

.btn--outline {
  border: 1.5px solid rgba(255,255,255,.35);
  color: #fff;
}

.btn--outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,.08);
}

.btn--small { padding: 8px 20px; font-size: 0.8rem; border-radius: 6px; }
.btn--full { width: 100%; }
.btn:active { transform: translateY(1px); }

/* 商务合作按钮向下动态箭头 */
.btn__arrow-down {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.9em;
  animation: btnArrowDown 1.2s ease-in-out infinite;
}
@keyframes btnArrowDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* -------------------- 2. ABOUT -------------------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.about__lead {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about__text p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

.about__stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
}

.stat { text-align: center; }

.stat__num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.about__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.about__card {
  padding: 30px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.about__card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-accent-light);
}

.about__card-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: var(--color-accent);
}

.about__card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-dark);
}

.about__card p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* -------------------- 3. PRODUCTS -------------------- */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  padding: 40px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.product-card:hover::before { opacity: 1; }

.product-card__icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
  color: var(--color-accent);
}

.product-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.product-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* -------------------- 4. SERVICES & CASES -------------------- */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.case-card {
  padding: 32px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-accent);
  transition: box-shadow var(--transition), transform var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.case-card__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: 20px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.case-card__tag--us { background: #e8ecf0; color: #4a6274; }
.case-card__tag--sea { background: #eaf0e8; color: #5d7a5d; }

.case-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.case-card p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* -------------------- 5. NEWS -------------------- */
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.news-card {
  padding: 32px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition), transform var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.news-card__date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 10px;
}

.news-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
  line-height: 1.5;
}

.news-card p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.news-card__link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: color var(--transition);
}

.news-card__link:hover { color: var(--color-accent-hover); }

/* 资讯分类标签 */
.news-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--color-text-muted);
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.news-card__tag--air { background: #2f80c2; }
.news-card__tag--sea { background: #2f9e7d; }
.news-card__tag--express { background: #c2802f; }
.news-card__tag--customs { background: #9b4dc2; }
.news-card__tag--rate { background: #d4552f; }
.news-card__tag--general { background: var(--color-accent); }
.news-card__tag--market { background: #2f80c2; }
.news-card__tag--politics { background: #7d5fc2; }
.news-card__tag--domestic { background: #2f9e7d; }

/* 资讯免责声明 */
.news__disclaimer {
  margin-top: 28px;
  padding: 14px 18px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--color-text-muted, #6b7280);
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
}

/* 资讯分类筛选栏 */
.news__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.news__filter-btn {
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--color-dark);
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 999px;
  padding: 7px 20px;
  cursor: pointer;
  transition: all var(--transition);
}
.news__filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.news__filter-btn.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* -------------------- 6. GLOBAL OFFICES -------------------- */
.offices__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.office-card {
  padding: 32px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition), transform var(--transition);
}

.office-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.office-card__flag { font-size: 2rem; margin-bottom: 10px; }

.office-card__code {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--color-accent);
  padding: 3px 10px;
  border-radius: 5px;
  margin-bottom: 12px;
}

.office-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-dark);
}

.office-card p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* -------------------- 7. CONTACT US -------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 32px;
  align-items: stretch;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}

.contact__icon {
  font-size: 1.3rem;
  color: var(--color-accent);
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: 50%;
}

.contact__item h5 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--color-dark);
}

.contact__item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.contact__map {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-md);
  min-height: 400px;
  background: #e9eef3;
}

/* Map: offline SVG fallback (z0) + live embed (z1) + caption overlay (z2) */
.map-fallback { position: absolute; inset: 0; z-index: 0; }
.map-fallback svg { display: block; width: 100%; height: 100%; }
.map-frame {
  position: absolute; inset: 0; z-index: 1;
  width: 100%; height: 100%; min-height: 400px;
  border: 0; background: transparent;
}
.map-overlay {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 18px 20px 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.94) 55%);
  pointer-events: none;
}
.map-overlay__addr { margin: 0; font-size: 0.98rem; font-weight: 700; color: var(--color-dark); }
.map-overlay__coord { margin: 2px 0 10px; font-size: 0.8rem; color: var(--color-text-muted); }
.map-overlay__link {
  pointer-events: auto;
  display: inline-block;
  background: var(--color-accent); color: #fff;
  font-size: 0.82rem; font-weight: 600;
  padding: 8px 16px; border-radius: 8px; text-decoration: none;
}
.map-overlay__link:hover { background: var(--color-accent-hover); }


.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form__group { margin-bottom: 22px; }

.form__group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 11px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  font-size: 0.9rem;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
  background: var(--color-surface);
}

.form__group textarea { resize: vertical; min-height: 120px; }


/* -------------------- FOOTER -------------------- */
.footer {
  background: linear-gradient(180deg, var(--color-dark) 0%, #14171c 100%);
  color: rgba(255,255,255,.7);
  padding-top: 64px;
  font-size: 0.88rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer__brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.footer__desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,.42);
  line-height: 1.7;
}

.footer__col h5 {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer__col a {
  display: block;
  padding: 5px 0;
  color: rgba(255,255,255,.52);
  transition: color var(--transition);
  font-size: 0.84rem;
}

.footer__col a:hover { color: #fff; }

.footer__api-note {
  font-size: 0.78rem;
  color: rgba(255,255,255,.32);
  line-height: 1.7;
  margin-top: 6px;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,.35);
}

.footer__version {
  margin-left: 8px;
  color: rgba(255,255,255,.28);
  font-size: 0.72rem;
  letter-spacing: .3px;
}

/* -------------------- BACK TO TOP -------------------- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
  z-index: 900;
  box-shadow: var(--shadow-md);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover { background: var(--color-accent-hover); }

/* -------------------- TOAST -------------------- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-dark);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 2000;
  box-shadow: var(--shadow-lg);
}

.toast--show { opacity: 1; visibility: visible; }

/* -------------------- HEADER LOGIN BTN / USER INFO -------------------- */
.header__login-btn {
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  background: transparent;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

/* 默认不锁定：中性描边；仅 hover 高亮、点击位移 */
.header__login-btn:hover { background: var(--color-accent); color: #fff; }
.header__login-btn:active { transform: translateY(1px); }

/* 登录/注册按钮 CSS 隐藏（保留源码，不删除 DOM）；「进入系统」为 <a> 链接不受影响 */
button.header__login-btn { display: none; }

/* header 顶部客服按钮：复用 .btn--outline 白框白字与 hover，仅缩 padding 适配顶栏高度 */
.kf-header-btn {
  padding: 6px 16px;
  letter-spacing: 0.01em;
  line-height: inherit;
  color: var(--color-accent);
  background: transparent;
  border-color: transparent;
}
.kf-header-btn:hover {
  background: rgba(255,255,255,.08);
  color: var(--color-accent);
  border-color: transparent;
  filter: none;
}

.header__user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}

.header__user-name {
  font-weight: 600;
  color: var(--color-dark);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header__user-role {
  font-size: 0.68rem;
  padding: 1px 8px;
  border-radius: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.header__user-role--customer {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.header__user-role--employee {
  background: #f0ede6;
  color: #8b7355;
}

.header__user-role--superadmin {
  background: #1e2125;
  color: #e3eaf0;
}

.header__logout-btn {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: 3px 8px;
  border-radius: 4px;
  transition: all var(--transition);
}

.header__logout-btn:hover { color: #c44; background: rgba(204,68,68,.08); }

/* -------------------- MODAL OVERLAY -------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30,33,37,.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}

.modal-overlay--open { opacity: 1; visibility: visible; }

.modal {
  position: relative;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 36px 32px 32px;
  transform: translateY(12px);
  transition: transform .3s;
}

.modal-overlay--open .modal { transform: translateY(0); }

.modal__close {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition);
}

.modal__close:hover { background: var(--color-bg-alt); color: var(--color-text); }

/* -------------------- MODAL TABS -------------------- */
.modal__tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--color-border-light);
}

.modal__tab {
  flex: 1;
  padding: 10px 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  text-align: center;
}

.modal__tab:hover { color: var(--color-text-secondary); }

.modal__tab--active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* -------------------- MODAL PANEL -------------------- */
.modal__panel { display: none; }
.modal__panel--active { display: block; }

/* -------------------- AUTH FORM -------------------- */
.auth-form { animation: authFadeIn .25s ease; }

@keyframes authFadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* 必填/选填标识 */
.form__required { color: #e74c3c; margin-left: 2px; font-weight: 600; }
.form__optional { color: #999; font-size: 0.85em; font-weight: 400; }

.auth-form--hidden { display: none; }

.auth-form__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
  text-align: center;
}

.auth-form .form__group { margin-bottom: 16px; }

.auth-form .form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.auth-form .form__group input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.auth-form .form__group input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.auth-form__switch {
  text-align: center;
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.auth-form__switch--note { font-size: 0.78rem; margin-top: 12px; }

.auth-form__subtitle {
  margin: -6px 0 18px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.auth-form__error {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  color: #fff;
  background: #e74c3c;
}

.auth-form__link {
  font-weight: 600;
  color: var(--color-accent);
  transition: color var(--transition);
  cursor: pointer;
}

.auth-form__link:hover { color: var(--color-accent-hover); }

/* -------------------- VERIFICATION CODE INPUT -------------------- */
.code-input {
  display: flex;
  gap: 12px;
}

.code-input__field {
  flex: 1;
  width: auto !important;
}

.code-input__btn {
  flex-shrink: 0;
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border: 1px solid transparent;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: all var(--transition);
  cursor: pointer;
  min-width: 100px;
}

.code-input__btn:hover:not(:disabled) { background: var(--color-accent); color: #fff; }

.code-input__btn:disabled {
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  cursor: not-allowed;
}

/* -------------------- FORM VALIDATION STATE -------------------- */
.form__group input.input--error {
  border-color: #c44;
  box-shadow: 0 0 0 3px rgba(204,68,68,.08);
}

.form__error-msg {
  font-size: 0.72rem;
  color: #c44;
  margin-top: 4px;
  display: none;
}

.form__error-msg--show { display: block; }

/* ================================================================
   RESPONSIVE — Mobile First
   ================================================================ */

/* Tablet: <= 1024px */
@media (max-width: 1024px) {
  .about__grid,
  .contact__grid { grid-template-columns: 1fr; }

  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .cases__grid { grid-template-columns: 1fr; }
  .news__grid { grid-template-columns: repeat(2, 1fr); }
  .offices__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }

  .code-input__btn { padding: 10px 12px; font-size: 0.78rem; min-width: 86px; }
}

/* Mobile: <= 768px */
@media (max-width: 768px) {
  :root { --header-height: 60px; }

  .section { padding: 64px 0; }
  .section__header { margin-bottom: 36px; }

  /* --- Mobile Nav --- */
  .hamburger { display: flex; }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav--open { transform: translateY(0); opacity: 1; }

  .nav__list { flex-direction: column; padding: 8px 0; }

  .nav__link { padding: 12px 24px; border-radius: 0; font-size: 0.95rem; }

  .header__actions { gap: 10px; }

  /* --- Grids to 1 col --- */
  .products__grid,
  .news__grid,
  .offices__grid { grid-template-columns: 1fr; }

  .about__stats { flex-wrap: wrap; gap: 20px; justify-content: center; }
  .about__visual { grid-template-columns: 1fr 1fr; }

  .form__row { grid-template-columns: 1fr; }
  .auth-form .form__row { grid-template-columns: 1fr; }

  .modal { max-width: 92vw; padding: 28px 20px 24px; }
  .modal__tabs { margin-bottom: 22px; }

  .footer__inner { grid-template-columns: 1fr; gap: 24px; }

  .hero__title { font-size: clamp(1.8rem, 7vw, 2.6rem); }
  .hero__desc { font-size: 0.92rem; }

  .back-to-top { bottom: 18px; right: 18px; width: 38px; height: 38px; }

  /* --- Logo 自适应 --- */
  .header__logo { font-size: 1.05rem; gap: 8px; }
  .logo-mark { width: 28px; height: 28px; font-size: 0.95rem; }

  /* --- 首页地球组件移动端缩放 + 文字共存 --- */
  .hero { min-height: 100svh; }
  .hero__bg { transform: scale(0.8); transform-origin: center; }
  .hero__content { padding-top: 96px; }
  .hero__title, .hero__desc { text-shadow: 0 2px 12px rgba(0,0,0,.55); }
}

/* Small Mobile: <= 480px */
@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero__cta { flex-direction: column; align-items: center; }
  .hero__cta .btn { width: 100%; max-width: 280px; }

  .about__visual { grid-template-columns: 1fr; }
  .about__stats { flex-direction: column; gap: 16px; }

  .contact__grid { gap: 28px; }

  .modal { padding: 24px 16px 20px; }
  .modal__tab { font-size: 0.85rem; }
  .auth-form__title { font-size: 1.05rem; }

  .btn { padding: 10px 24px; font-size: 0.85rem; }

  .news__grid { grid-template-columns: 1fr; }

  /* --- 卡片移动端适配 --- */
  .product-card { padding: 28px 20px; }
  .news-card { padding: 24px 20px; }
  .office-card { padding: 24px 20px; }
  .about__card { padding: 22px 16px; }
  .product-card__icon { font-size: 2rem; }
  .product-card h3 { font-size: 0.98rem; }
  .news-card h3 { font-size: 0.95rem; }

  /* --- 长文页（服务条款/隐私/免责）适配 --- */
  .terms-article__block { margin-bottom: 26px; padding-bottom: 24px; }
  .terms-article__block h3 { font-size: 1rem; }
  .terms-article__block p { font-size: 0.88rem; line-height: 1.8; }
  .terms-article__list li { font-size: 0.86rem; }
}

/* ================================================================
   ADMIN DASHBOARD
   ================================================================ */
.admin-panel {
  position: relative;
  width: 100%;
  max-width: 960px;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.admin-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 1;
}

.admin-panel__header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
}

.admin-panel__header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-panel__header .modal__close { position: static; }

.admin-panel__body {
  padding: 24px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.admin-card {
  padding: 20px 24px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
}

.admin-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 14px;
}

.admin-card__note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.admin-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.admin-card__row .admin-card__title { margin-bottom: 0; }

/* --- Password Form --- */
.admin-pw-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-pw-form input {
  flex: 1;
  min-width: 140px;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition);
}

.admin-pw-form input:focus { border-color: var(--color-accent); }

.admin-pw-form .btn { white-space: nowrap; flex-shrink: 0; }

/* --- Add Employee Form --- */
.admin-add-form { margin-bottom: 16px; padding: 20px; background: var(--color-surface); border-radius: var(--radius); }

.admin-add-form h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--color-dark);
}

.admin-add-form__actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.admin-add-form .form__group { margin-bottom: 14px; }

.admin-add-form .form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.admin-add-form input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  font-size: 0.85rem;
  outline: none;
}

/* --- Employee Table --- */
.admin-table-wrap { overflow-x: auto; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
}

.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
}

.admin-table tr:hover td { background: var(--color-bg-alt); }

.admin-empty {
  text-align: center;
  padding: 28px !important;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.admin-status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
}

.admin-status--active { background: #e8f5e9; color: #2e7d32; }
.admin-status--revoked { background: #fbe9e7; color: #c62828; }

.admin-actions { display: flex; gap: 6px; white-space: nowrap; }

.admin-btn {
  padding: 3px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.admin-btn--warn { background: #fff3e0; color: #e65100; }
.admin-btn--warn:hover { background: #e65100; color: #fff; }
.admin-btn--ok { background: #e8f5e9; color: #2e7d32; }
.admin-btn--ok:hover { background: #2e7d32; color: #fff; }
.admin-btn--del { background: #fbe9e7; color: #c62828; }
.admin-btn--del:hover { background: #c62828; color: #fff; }

/* --- API / System Links --- */
.admin-link-list { display: flex; flex-direction: column; gap: 10px; }

.admin-link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.admin-link-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-dark);
  min-width: 120px;
  flex-shrink: 0;
}

.admin-link-url {
  flex: 1;
  font-size: 0.8rem;
  color: var(--color-accent);
  background: var(--color-bg);
  padding: 4px 10px;
  border-radius: 4px;
  word-break: break-all;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

/* ================================================================
   ADMIN RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
  .admin-panel { max-width: 100%; border-radius: 0; max-height: 100vh; }
  .admin-panel__header { padding: 14px 16px; }
  .admin-panel__body { padding: 16px; }
  .admin-pw-form { flex-direction: column; }
  .admin-pw-form input { min-width: 0; }
  .admin-add-form .form__row { grid-template-columns: 1fr; }
  .admin-link-label { min-width: 0; width: 100%; }
}

/* ================================================================
   CUSTOMER DASHBOARD
   ================================================================ */
.user-panel { display: none; }
.user-panel--active { display: block; }

.user-order-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.user-order-price {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--color-accent-light);
  border-radius: var(--radius);
  margin-top: 12px;
}

.user-order-price__icon {
  font-size: 1.2rem;
  color: var(--color-accent);
}

.user-order-price__text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
}

.user-track-form {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.user-track-form__input {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition);
}

.user-track-form__input:focus { border-color: var(--color-accent); }

.user-track-empty {
  text-align: center;
  padding: 32px;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.user-track-summary {
  margin: 0 0 16px;
  padding: 14px 18px;
  background: var(--color-bg-alt, #f5f9fa);
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--color-text, #1a1a1a);
  line-height: 1.7;
}
.user-track-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.user-track-meta > span {
  font-weight: 500;
  white-space: nowrap;
}
.user-track-sep {
  color: var(--color-text-muted, #999);
  font-weight: 400 !important;
  margin: 0 2px;
}

.user-track-timeline {
  position: relative;
  padding-left: 28px;
}

.user-track-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--color-border);
}

.user-track-node {
  position: relative;
  display: grid;
  grid-template-columns: 140px 100px 1fr;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border, #e8eef2);
  align-items: center;
}
.user-track-node:last-child { border-bottom: none; }

.user-track-node::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  z-index: 1;
}

.user-track-node--past::before { background: var(--color-accent); }
.user-track-node--current::before { background: var(--color-accent); animation: trackPulse 1.5s infinite; }
.user-track-node--future::before { background: var(--color-bg-alt); box-shadow: 0 0 0 2px var(--color-border); }

@keyframes trackPulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--color-accent); }
  50% { box-shadow: 0 0 0 6px rgba(91,122,140,0.2); }
}

/* 表头行 */
.user-track-header {
  display: grid;
  grid-template-columns: 140px 100px 1fr;
  gap: 10px;
  padding: 8px 12px 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-muted, #888);
  border-bottom: 2px solid var(--color-border, #d0dce4);
}

.user-track-node__time {
  font-size: 0.82rem;
  color: var(--color-text, #333);
  white-space: nowrap;
}

.user-track-node__status {
  font-size: 0.84rem;
  color: var(--color-dark);
}

.user-track-node__location {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  .user-track-form { flex-direction: column; }
  .user-order-actions { flex-direction: column; }
}

/* ================================================================
   SITE EDITOR
   ================================================================ */
.site-editor__actions {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  position: sticky;
  top: 60px;
  z-index: 2;
  background: var(--color-bg);
  padding: 10px 0;
  flex-wrap: wrap;
}

.editor-dirty-badge {
  font-size: 0.72rem;
  color: #e65100;
  font-weight: 600;
  padding: 3px 8px;
  background: #fff3e0;
  border-radius: 12px;
  white-space: nowrap;
  animation: dirtyPulse 1.2s infinite;
}

@keyframes dirtyPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.admin-win-btn {
  width: 28px;
  height: 28px;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem !important;
  line-height: 1;
  border-radius: var(--radius) !important;
  background: var(--color-bg) !important;
  border: 1px solid var(--color-border) !important;
  color: var(--color-text-secondary) !important;
  cursor: pointer;
}

.admin-win-btn:hover {
  background: var(--color-accent-light) !important;
  color: var(--color-accent) !important;
}

/* Window minimized state */
.admin-panel--minimized {
  max-height: 52px !important;
  overflow: hidden !important;
}

.admin-panel--maximized {
  max-width: 100vw !important;
  max-height: 100vh !important;
  border-radius: 0 !important;
}

/* --- Image Library --- */
.site-editor__image-library {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
  padding: 10px;
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  min-height: 40px;
}

.site-editor__image-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.site-editor__image-count {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.site-editor__image-library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.site-editor__image-library-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.site-editor__image-library-item:hover { border-color: var(--color-accent); }

.site-editor__image-library-item__img-wrap {
  position: relative;
  width: 100%;
  height: 130px;
  overflow: hidden;
  background: var(--color-bg);
}

.site-editor__image-library-item__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-editor__image-library-item__size {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0,0,0,.7);
  color: #fff;
  font-size: 0.6rem;
  padding: 1px 6px;
  border-radius: 3px;
  font-family: monospace;
}

.site-editor__image-library-item__info {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-editor__image-library-item__name {
  font-size: 0.7rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

.site-editor__image-library-item__actions {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.site-editor__image-library-item__actions .admin-btn {
  font-size: 0.62rem;
  padding: 2px 6px;
}

.site-editor__image-library-empty {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  width: 100%;
  text-align: center;
  padding: 20px;
}

/* --- Image Size Guide --- */
.site-editor__image-guide {
  margin-bottom: 16px;
  padding: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
}

.site-editor__image-guide h4 {
  font-size: 0.82rem;
  margin-bottom: 10px;
  color: var(--color-accent);
}

.site-editor__image-guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}

.site-editor__image-guide-card {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-editor__image-guide-card strong {
  font-size: 0.72rem;
  color: var(--color-dark);
}

.site-editor__image-guide-card span {
  font-size: 0.7rem;
  color: var(--color-accent);
  font-family: monospace;
}

.site-editor__image-guide-card code {
  font-size: 0.62rem;
  color: var(--color-text-muted);
}

/* --- Editor Grid --- */
.site-editor__grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.site-editor__section {
  padding: 14px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  position: relative;
}

.site-editor__section--custom {
  border-color: var(--color-accent);
  border-style: dashed;
}

.site-editor__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border-light);
  flex-wrap: wrap;
  gap: 6px;
}

.site-editor__section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-editor__section-btns {
  display: flex;
  gap: 4px;
}

.site-editor__section-btns .admin-btn {
  padding: 2px 8px;
  font-size: 0.68rem;
}

.site-editor__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 8px;
}

.site-editor__field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.site-editor__field--full { grid-column: 1 / -1; }

.site-editor__field label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-editor__field input,
.site-editor__field textarea {
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-family: var(--font-sans);
  outline: none;
  background: var(--color-bg);
  transition: border-color var(--transition);
  resize: vertical;
}

.site-editor__field input:focus,
.site-editor__field textarea:focus { border-color: var(--color-accent); }

.site-editor__field textarea { min-height: 50px; }

/* Image insert preview in field */
.site-editor__field-img {
  margin-top: 4px;
  max-width: 200px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

/* --- Full Dictionary Search --- */
.site-editor__dict-search {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.82rem;
  outline: none;
  margin-bottom: 4px;
  background: var(--color-bg);
}

.site-editor__dict-search:focus { border-color: var(--color-accent); }

/* --- Dual Language Fields --- */
.site-editor__dual {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  margin-bottom: 8px;
  background: var(--color-bg);
  overflow: hidden;
}

.site-editor__dual-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 10px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.editor-auto-en-btn {
  font-size: 0.65rem;
  padding: 2px 8px;
  border: 1px solid var(--color-accent);
  border-radius: 10px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  cursor: pointer;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.editor-auto-en-btn:hover {
  background: var(--color-accent);
  color: #fff;
}

.site-editor__dual .site-editor__row {
  padding: 8px 10px;
  margin-bottom: 0;
}

.site-editor__dual .site-editor__field {
  gap: 2px;
}

/* ======================================================
   TERMS PAGE — 法律条款页
   ====================================================== */

/* Effective date & company attribution */
.terms-effective {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--c-text-dim, #6b7280);
}

/* Table of Contents quick nav */
.terms-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  font-size: 0.92rem;
}

.terms-toc__label {
  font-weight: 700;
  color: var(--c-heading, #22262a);
  margin-right: 4px;
}

.terms-toc a {
  color: var(--c-accent, #2563EB);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.terms-toc a:hover {
  color: var(--c-accent-dark, #1d4ed8);
  text-decoration: underline;
}

.terms-toc__sep {
  color: var(--c-border, rgba(0,0,0,.15));
}

/* Main terms article container */
.terms-article {
  max-width: 860px;
  margin: 0 auto;
}

.terms-article__block {
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--c-border, rgba(0,0,0,.08));
}

.terms-article__block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.terms-article__block h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--c-heading, #22262a);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--c-accent, #2563EB);
  display: inline-block;
}

.terms-article__body {
  margin-top: 4px;
}

.terms-article__block p {
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--c-text, #4a4f56);
  margin-bottom: 10px;
}

/* Numbered list inside terms */
.terms-article__list {
  margin: 6px 0 12px 8px;
  padding-left: 24px;
  list-style: decimal;
}

.terms-article__list li {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--c-text, #4a4f56);
  margin-bottom: 6px;
}

.terms-article__list li strong {
  color: var(--c-heading, #22262a);
}

/* Highlight block — final interpretation */
.terms-article__block--highlight {
  background: linear-gradient(135deg, rgba(37,99,235,.06), rgba(37,99,235,.02));
  border: 2px solid var(--c-accent, #2563EB);
  border-radius: 10px;
  padding: 28px 30px;
  margin-top: 40px;
}

.terms-article__block--highlight h3 {
  color: var(--c-accent, #2563EB);
  border-bottom-color: var(--c-accent, #2563EB);
}

.terms-article__block--highlight p {
  color: var(--c-heading, #22262a);
}

/* Important/risk block — disclaimer */
.terms-article__block--important {
  background: rgba(245,158,11,.06);
  border-left: 4px solid #F59E0B;
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
}

.terms-article__block--important h3 {
  color: #B45309;
  border-bottom-color: #F59E0B;
}

.terms-article__block--important p,
.terms-article__block--important li {
  color: var(--c-text, #4a4f56);
}

/* Contact info block inside terms */
.terms-article__contact {
  margin-top: 16px;
  padding: 16px 20px;
  background: var(--c-bg-alt, #f8f9fa);
  border-radius: 8px;
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
}

.terms-article__contact p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-text-dim, #6b7280);
  margin-bottom: 4px;
}

/* Bilingual toggle: show/hide */
html[lang="en"] .lang-en { display: block !important; }
html[lang="en"] .lang-zh { display: none !important; }

/* ======================================================
   FORM CHECKBOX — 注册条款勾选
   ====================================================== */

.form__checkbox-group {
  margin: 16px 0;
}

.form__checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--c-text-dim, #6b7280);
  cursor: pointer;
  user-select: none;
}

.form__checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--c-accent, #2563EB);
  flex-shrink: 0;
  cursor: pointer;
}

.form__checkbox-text {
  flex-shrink: 0;
}

.form__checkbox .auth-form__link {
  font-weight: 600;
  font-size: 0.85rem;
}

.form__checkbox--error {
  color: #DC2626;
}

.form__checkbox--error input[type="checkbox"] {
  outline: 2px solid #DC2626;
  outline-offset: 2px;
}

.site-editor__dual .site-editor__field label {
  font-size: 0.66rem;
  letter-spacing: 0.03em;
}

.site-editor__dual .site-editor__field input,
.site-editor__dual .site-editor__field textarea {
  font-size: 0.8rem;
  padding: 5px 8px;
  background: var(--color-bg);
}

.site-editor__dual .editor-input-zh:focus {
  border-color: #ef5350;
}

.site-editor__dual .editor-input-en:focus {
  border-color: #42a5f5;
}

/* --- Tracking API Editor --- */
.site-editor__section--track {
  border-color: var(--color-accent) !important;
  border-width: 2px !important;
}

.site-editor__section--track .admin-table td {
  vertical-align: middle;
  padding: 6px 8px;
}

.site-editor__section--track .admin-table input {
  width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-size: 0.8rem;
  outline: none;
  background: var(--color-surface);
}

.site-editor__section--track .admin-table input:focus {
  border-color: var(--color-accent);
}

.site-editor__section--track .admin-table input[type="checkbox"] {
  width: auto;
  cursor: pointer;
  accent-color: var(--color-accent);
}

.site-editor__section--track .track-empty-row td {
  text-align: center;
  padding: 24px !important;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* --- Customer Tracking Channels --- */
.user-track-channels {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 2px solid var(--color-accent);
}

.user-track-channels__title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.user-track-channel {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.user-track-channel__name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-dark);
  min-width: 100px;
  flex-shrink: 0;
}

.user-track-channel__url {
  flex: 1;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  word-break: break-all;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

@media (max-width: 768px) {
  .site-editor__row { grid-template-columns: 1fr; }
}

/* -------------------- 企业微信客服：全站悬浮按钮 + 弹窗 -------------------- */
.kf-fab {
  position: fixed;
  right: 28px;
  bottom: 86px;
  z-index: 950;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: #0082ef;
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
}
.kf-fab:hover { background: #0068c8; transform: translateY(-2px); }
.kf-fab svg { width: 20px; height: 20px; flex: none; display: block; }

.kf-modal-overlay { z-index: 2100; align-items: flex-end; justify-content: flex-end; padding: 0 24px 96px 0; background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.kf-modal { text-align: center; margin: 0; box-shadow: 0 12px 40px rgba(0,0,0,.18); }
.kf-modal__title { font-size: 1.15rem; font-weight: 700; color: var(--color-dark); margin-bottom: 6px; }
.kf-modal__sub { font-size: 0.86rem; color: var(--color-text-secondary); margin-bottom: 18px; line-height: 1.7; }
.kf-qr {
  width: 220px;
  height: 220px;
  max-width: 100%;
  margin: 0 auto 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
}
.kf-qr img { width: 100%; height: 100%; object-fit: contain; display: block; }
.kf-qr__placeholder { font-size: 0.8rem; color: var(--color-text-muted); padding: 0 24px; line-height: 1.7; }
.kf-link {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}
.kf-link a { color: var(--color-accent); word-break: break-all; }

@media (max-width: 768px) {
  .kf-fab { right: 18px; bottom: 74px; padding: 12px; }
  .kf-fab .kf-fab__text { display: none; }
}

/* ===== CMS 栏目渲染（js/content.js 从 data/content.json 渲染） ===== */
.cms-render { max-width: 960px; margin: 0 auto; }
.cms-text { margin: 18px 0; }
.cms-text__title { font-size: 1.25rem; margin: 0 0 8px; color: var(--color-text); }
.cms-text__p { margin: 6px 0; line-height: 1.9; color: var(--color-text-secondary); }
.cms-figure { margin: 22px 0; text-align: center; }
.cms-figure img { max-width: 100%; border-radius: var(--radius); border: 1px solid var(--color-border); }
.cms-figure__cap { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 8px; }
.cms-cards-wrap { margin: 18px 0; }
.cms-cards__title { font-size: 1.25rem; margin: 0 0 14px; color: var(--color-text); }
.cms-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.cms-card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 18px; transition: transform .2s, box-shadow .2s; }
.cms-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.cms-card img { width: 100%; height: 150px; object-fit: cover; border-radius: 6px; margin-bottom: 12px; }
.cms-card__title { font-size: 1.05rem; margin: 0 0 8px; color: var(--color-text); }
.cms-card__desc { margin: 0; line-height: 1.7; color: var(--color-text-secondary); font-size: 0.92rem; }
.nav__link.active { color: var(--color-accent); font-weight: 600; }

/* ==================== 联系客服（企业微信） ==================== */
.wechat-service__grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
}
.wechat-service__qr { text-align: center; }
.wechat-service__qr img {
  width: 220px;
  height: 220px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: #fff;
}
.wechat-service__tip { margin: 14px 0 0; font-size: 0.86rem; color: var(--color-text-secondary); }
.wechat-service__text h3 { font-size: 1.4rem; margin: 0 0 14px; color: var(--color-text); }
.wechat-service__text p { margin: 0 0 24px; line-height: 1.8; color: var(--color-text-secondary); font-size: 1rem; }
@media (max-width: 768px) {
  .wechat-service__grid { grid-template-columns: 1fr; gap: 24px; padding: 28px 20px; text-align: center; }
  .wechat-service__qr img { width: 180px; height: 180px; }
  .wechat-service__text .btn { display: inline-block; }
}

/* 联系客服 弹层（点击后浮层展示，不打断首页） */
.modal--wechat { max-width: 520px; }
.wechat-modal__qr { text-align: center; flex: 0 0 auto; }
.wechat-modal__qr img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: #fff;
}
.wechat-modal__tip { margin: 12px 0 0; font-size: 0.84rem; color: var(--color-text-secondary); }
.wechat-modal__text h3 { font-size: 1.3rem; margin: 0 0 12px; color: var(--color-text); }
.wechat-modal__text p { margin: 0 0 22px; line-height: 1.8; color: var(--color-text-secondary); font-size: 1rem; }
.modal--wechat { display: flex; flex-direction: row; gap: 28px; align-items: center; flex-wrap: wrap; justify-content: center; }
.wechat-modal__qr, .wechat-modal__text { flex: 1 1 200px; }
.wechat-modal__text .btn { display: inline-block; }
/* 客服弹层 WhatsApp 入口（新增，不影响其他弹层） */
.wechat-modal__wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 9px 16px;
  border-radius: var(--radius);
  background: #25D366;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: inherit;
  white-space: nowrap;
  text-decoration: none;
  transition: filter var(--transition), transform var(--transition);
}
.wechat-modal__wa:hover { filter: brightness(1.06); color: #ffffff; }
.wechat-modal__wa-icon { flex: none; display: block; }
/* 客服弹层 微信入口（微信品牌绿，点击复制微信号） */
.wechat-modal__wa--wx {
  background: #07C160;
  border: 0;
  padding: 10px 16px;
  font-family: inherit;
  cursor: pointer;
}
.wechat-modal__wa--wx:hover { filter: brightness(1.06); color: #ffffff; }
.wechat-modal__wa--wx.is-copied { filter: brightness(.94); }
@media (max-width: 480px) {
  .modal--wechat { flex-direction: column; text-align: center; }
  .wechat-modal__qr img { width: 170px; height: 170px; }
}
/* 客服弹层：不暗化/模糊首页（保持首页原有效果），靠右显示 */
#wechatModal {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  justify-content: flex-end;
  padding-right: 40px;
}
@media (max-width: 480px) {
  #wechatModal { justify-content: center; padding: 0 16px; }
}

/* 服务项目 列表区块（标题 + 实景图 + 要点） */
.cms-list { display: flex; flex-direction: column; gap: 18px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.cms-list__fig { margin: 0; }
.cms-list__fig img { width: 100%; max-height: 300px; object-fit: cover; border-radius: 10px; border: 1px solid var(--color-border); display: block; }
.cms-list__ph { width: 100%; min-height: 160px; display: flex; align-items: center; justify-content: center; text-align: center; padding: 20px; color: var(--color-text-muted); background: repeating-linear-gradient(45deg, #f4f6f8, #f4f6f8 12px, #eef1f4 12px, #eef1f4 24px); border: 1px dashed var(--color-border); border-radius: 10px; font-size: 0.9rem; }
.cms-list__title { font-size: 1.35rem; margin: 0 0 14px; color: var(--color-text); }
.cms-list__sub { margin: 0 0 12px; color: var(--color-text-secondary); }
.cms-list__items { margin: 0; padding-left: 20px; }
.cms-list__items li { margin: 0 0 10px; line-height: 1.8; color: var(--color-text-secondary); }
@media (min-width: 860px) {
  .cms-list { flex-direction: row; gap: 32px; align-items: flex-start; padding: 28px 32px; }
  .cms-list__fig { flex: 0 0 320px; margin: 0; }
  .cms-list__body { flex: 1 1 auto; }
}
/* 独立图片块（兜底，list 块优先）*/
.cms-image { margin: 24px 0; text-align: center; }
.cms-image img { max-width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--color-border); display: inline-block; }
.cms-image__cap { font-size: 0.88rem; color: var(--color-text-muted); margin: 10px 0 0; }

/* 全站法律备注：一切以中文为准（双语，随语言切换） */
.legal-note { margin: 28px 0 0; padding: 14px 18px; font-size: 0.86rem; line-height: 1.7; color: var(--color-text-muted, #6b7280); background: var(--color-bg-alt, #f6f8fa); border-left: 3px solid var(--color-accent, #c8102e); border-radius: 6px; text-align: left; }

/* ============================================================
   资讯文章页排版（.article 系列）
   仅用于 news/ 下 6 篇长尾文章页面
   零侵入：纯 CSS 追加，不改动 HTML 结构 / JS / 其他页面
   ============================================================ */

/* 文章页 <main> 建 BFC，防止顶部 margin 塌缩导致内容被固定头部遮挡 */
main { display: flow-root; }

/* ---- 文章容器（对齐全站 .container / .section 版式） ---- */
.article {
  max-width: 1040px;
  margin: 140px auto 64px;
  padding: 56px 48px 64px;
  background: var(--color-surface, #ffffff);
  border-radius: var(--radius-lg, 12px);
  box-shadow: var(--shadow-md, 0 4px 20px rgba(0,0,0,.07));
}
@media (max-width: 600px) {
  .article { max-width: 100%; padding: 28px 18px 40px; border-radius: var(--radius, 8px); margin: 100px auto 40px; }
}

/* ---- 面包屑导航 ---- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted, #929aab);
  margin-bottom: 16px;
  line-height: 1.6;
}
.breadcrumb a {
  color: var(--color-accent, #4f7287);
  text-decoration: none;
  transition: color var(--transition, .28s ease);
}
.breadcrumb a:hover { color: var(--color-accent-hover, #3d5a6b); text-decoration: underline; }

/* ---- 文章头部（标题区） ---- */
.article__header {
  text-align: center;
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border-light, #eef0f3);
}

.article__tag {
  display: inline-block;
  box-sizing: border-box;
  vertical-align: middle;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.6;
  white-space: nowrap;
  color: #ffffff;
  background: #4f7287;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.article__header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text, #1c2026);
  margin-bottom: 12px;
  letter-spacing: -.01em;
  overflow-wrap: break-word;
}
@media (min-width: 640px) {
  .article__header h1 { font-size: 1.9rem; }
}

.article__date {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted, #929aab);
}

/* ---- 文章正文（核心排版区） ---- */
.article__body {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-secondary, #5f6b7a);
  max-width: 860px;
  margin: 0 auto;
}

.article__body > h2 {
  font-size: 1.32rem;
  font-weight: 650;
  color: var(--color-text, #1c2026);
  margin-top: 36px;
  margin-bottom: 14px;
  padding-top: 8px;
  letter-spacing: -.005em;
}
.article__body > h2:first-child { margin-top: 0; }

.article__body > h3 {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--color-text, #1c2026);
  margin-top: 28px;
  margin-bottom: 10px;
}

.article__body > p {
  margin-bottom: 18px;
  text-align: justify;
  hyphens: auto;
}

.article__body strong {
  color: var(--color-text, #1c2026);
  font-weight: 600;
}

.article__body a {
  color: var(--color-accent, #4f7287);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, .28s ease), color var(--transition, .28s ease);
}
.article__body a:hover {
  color: var(--color-accent-hover, #3d5a6b);
  border-bottom-color: var(--color-accent-hover, #3d5a6b);
}

.article__body ul,
.article__body ol {
  margin: 16px 0 22px;
  padding-left: 24px;
}
.article__body li {
  margin-bottom: 8px;
  line-height: 1.8;
}
.article__body li::marker { color: var(--color-accent, #4f7287); }

/* ---- 文章底部（相关阅读 + CTA） ---- */
.article__footer {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-light, #eef0f3);
}

.article__footer h3 {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--color-text, #1c2026);
  margin-bottom: 14px;
}

.article__related {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.article__related li {
  margin: 0;
}
.article__related a {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--color-accent, #4f7287);
  background: var(--color-accent-light, #e2eaf0);
  padding: 8px 16px;
  border-radius: var(--radius, 8px);
  text-decoration: none;
  transition: background var(--transition, .28s ease), color var(--transition, .28s ease);
  border-bottom: none;
}
.article__related a:hover {
  background: var(--color-accent, #4f7287);
  color: var(--color-surface, #ffffff);
}

.article__cta {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-secondary, #5f6b7a);
  padding: 18px 20px;
  background: var(--color-bg-alt, #eaecf0);
  border-radius: var(--radius, 8px);
  border-left: 3px solid var(--color-accent, #4f7287);
}
.article__cta a {
  color: var(--color-accent, #4f7287);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.article__cta a:hover { color: var(--color-accent-hover, #3d5a6b); }