/* roulang page: index */
:root {
    --primary: #1B6EF3;
    --primary-hover: #1457C4;
    --primary-active: #0F429A;
    --accent: #F59E0B;
    --info: #E8F0FE;
    --bg: #FFFFFF;
    --bg-soft: #F6F9FE;
    --text-primary: #0F1E32;
    --text-secondary: #3E5068;
    --text-tertiary: #6B7A90;
    --text-invert: #FFFFFF;
    --border: #DCE5F0;
    --border-strong: #B8C7DB;
    --shadow-card: 0 1px 2px rgba(15,30,50,0.04), 0 4px 16px rgba(15,30,50,0.06);
    --shadow-hover: 0 4px 12px rgba(15,30,50,0.08), 0 12px 32px rgba(15,30,50,0.12);
    --shadow-dock: 0 8px 32px rgba(15,30,50,0.10);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 999px;
    --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    --container-max: 1200px;
    --spacing-section: clamp(60px, 9vw, 110px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text-primary);line-height:1.75;font-size:1rem;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul{list-style:none}
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}
.section{padding:var(--spacing-section) 0}
.section--soft{background:var(--bg-soft)}
.section__head{max-width:720px;margin-bottom:48px}
.section__head--center{text-align:center;margin-left:auto;margin-right:auto}
.section__tag{display:inline-flex;align-items:center;gap:6px;background:var(--info);color:var(--primary);font-size:0.8125rem;font-weight:600;padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:16px}
.section__title{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:700;line-height:1.25;letter-spacing:-0.01em;color:var(--text-primary)}
.section__subtitle{margin-top:12px;color:var(--text-secondary);font-size:1rem}
.section__subtitle--center{text-align:center}
.badge{display:inline-flex;align-items:center;gap:4px;font-size:0.75rem;font-weight:500;padding:4px 12px;border-radius:var(--radius-pill);background:var(--info);color:var(--primary)}
.badge--accent{background:rgba(245,158,11,0.12);color:#B45309}
.badge--outline{background:transparent;border:1px solid var(--border-strong);color:var(--text-secondary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 24px;border-radius:var(--radius-sm);font-weight:600;font-size:0.9375rem;border:1px solid transparent;cursor:pointer;transition:all 0.25s ease;white-space:nowrap}
.btn--primary{background:var(--primary);color:#fff}
.btn--primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(27,110,243,0.25)}
.btn--primary:active{background:var(--primary-active);transform:translateY(0)}
.btn--outline{background:#fff;border-color:var(--border-strong);color:var(--primary)}
.btn--outline:hover{border-color:var(--primary);background:var(--info);transform:translateY(-1px)}
.btn--outline:active{transform:translateY(0)}
.btn--light{background:#fff;color:var(--text-primary)}
.btn--light:hover{background:var(--info);transform:translateY(-1px)}
.btn--block-mobile{width:auto}
.site-header{position:fixed;top:16px;left:0;right:0;z-index:1000}
.dock{max-width:min(var(--container-max),calc(100% - 32px));margin:0 auto;display:flex;align-items:center;gap:24px;padding:10px 20px;background:rgba(255,255,255,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(27,110,243,0.08);border-radius:var(--radius-pill);box-shadow:var(--shadow-dock);transition:box-shadow 0.3s ease}
.dock:hover{box-shadow:0 10px 40px rgba(15,30,50,0.13)}
.dock__logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock__logo-icon{width:32px;height:32px;border-radius:9px;background:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.dock__logo-icon svg{width:18px;height:18px}
.dock__logo-text{font-weight:700;font-size:1.1875rem;color:var(--text-primary);letter-spacing:-0.01em}
.dock__nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.dock__link{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius-pill);font-size:0.9375rem;font-weight:500;color:var(--text-secondary);transition:all 0.2s ease}
.dock__link:hover{color:var(--primary);background:var(--info)}
.dock__link.is-active{color:var(--primary);background:var(--info);font-weight:600}
.dock__cta{flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border:none;background:transparent;cursor:pointer;border-radius:var(--radius-sm);flex-shrink:0;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text-primary);border-radius:2px;transition:all 0.3s ease}
.nav-toggle:hover span{background:var(--primary)}
.mobile-menu{display:none;max-width:min(var(--container-max),calc(100% - 32px));margin:8px auto 0;background:rgba(255,255,255,0.96);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-dock);padding:12px;overflow:hidden}
body.nav-open .mobile-menu{display:block}
.mobile-menu nav{display:flex;flex-direction:column;gap:4px}
.mobile-menu nav a{display:block;padding:12px 16px;border-radius:var(--radius-sm);font-size:0.9375rem;font-weight:500;color:var(--text-primary)}
.mobile-menu nav a:hover{background:var(--info);color:var(--primary)}
.mobile-menu nav a.is-active{background:var(--info);color:var(--primary);font-weight:600}
.mobile-menu nav .btn{margin-top:8px}
.hero{position:relative;padding:160px 0 80px;background:linear-gradient(90deg,rgba(255,255,255,0.97) 30%,rgba(255,255,255,0.75) 70%,rgba(255,255,255,0.55)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;border-bottom:1px solid var(--border)}
.hero__inner{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center}
.hero__badge{display:inline-flex;align-items:center;gap:6px;background:var(--info);color:var(--primary);font-size:0.8125rem;font-weight:600;padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:20px}
.hero__badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary)}
.hero__title{font-size:clamp(2rem,4.5vw,3rem);font-weight:700;line-height:1.2;letter-spacing:-0.01em;margin-bottom:20px}
.hero__subtitle{color:var(--text-secondary);font-size:1.0625rem;line-height:1.8;margin-bottom:32px;max-width:540px}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}
.hero__visual{position:relative}
.hero__visual img{border-radius:var(--radius-lg);box-shadow:var(--shadow-hover);border:1px solid var(--border);width:100%;height:auto}
.hero__visual::after{content:'';position:absolute;inset:auto -16px -16px auto;width:120px;height:120px;background:var(--info);border-radius:var(--radius-lg);z-index:-1}
.capabilities__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cap-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:28px 24px;box-shadow:var(--shadow-card);transition:all 0.25s ease}
.cap-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-hover)}
.cap-card__icon{width:48px;height:48px;border-radius:12px;background:var(--info);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.cap-card__icon svg{width:24px;height:24px;stroke:var(--primary)}
.cap-card__title{font-size:1.125rem;font-weight:600;margin-bottom:10px}
.cap-card__desc{color:var(--text-secondary);font-size:0.9375rem;line-height:1.7}
.business__grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:40px}
.biz-card{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);transition:all 0.25s ease}
.biz-card:hover{box-shadow:var(--shadow-hover);border-color:var(--border-strong);transform:translateY(-2px)}
.biz-card__img{overflow:hidden;min-height:260px}
.biz-card__img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.biz-card:hover .biz-card__img img{transform:scale(1.04)}
.biz-card__body{padding:32px;display:flex;flex-direction:column;justify-content:center}
.biz-card__body h3{font-size:1.25rem;font-weight:700;margin-bottom:12px}
.biz-card__body p{color:var(--text-secondary);font-size:0.9375rem;line-height:1.75;margin-bottom:16px}
.biz-card__tags{display:flex;flex-wrap:wrap;gap:8px}
.biz-card--flip .biz-card__img{order:2}
.biz-card--flip .biz-card__body{order:1}
.biz-fields{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.field-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;text-align:center;transition:all 0.25s ease}
.field-card:hover{background:#fff;border-color:var(--primary);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.field-card__icon{font-size:1.75rem;margin-bottom:8px;line-height:1}
.field-card__name{font-weight:600;font-size:0.9375rem}
.field-card__desc{font-size:0.8125rem;color:var(--text-tertiary);margin-top:6px}
.news__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);transition:all 0.25s ease;display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:var(--border-strong)}
.news-card__cover{height:180px;overflow:hidden;display:block}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.news-card:hover .news-card__cover img{transform:scale(1.05)}
.news-card__body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-card__body .badge{margin-bottom:10px;align-self:flex-start}
.news-card__body h3{font-size:1.0625rem;font-weight:600;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__body h3 a{transition:color 0.2s}
.news-card__body h3 a:hover{color:var(--primary)}
.news-card__excerpt{color:var(--text-secondary);font-size:0.875rem;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--border)}
.news-card__meta time{color:var(--text-tertiary);font-size:0.8125rem}
.news-card__meta a{color:var(--primary);font-size:0.875rem;font-weight:500}
.news-card__meta a:hover{text-decoration:underline}
.empty-state{grid-column:1/-1;background:var(--bg-soft);border:1px dashed var(--border-strong);border-radius:var(--radius-md);padding:48px 24px;text-align:center;color:var(--text-tertiary)}
.empty-state__icon{font-size:2rem;display:block;margin-bottom:8px}
.stats{background:var(--text-primary);border-radius:var(--radius-lg);padding:48px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;overflow:hidden}
.stats::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:rgba(27,110,243,0.2);border-radius:50%}
.stats__item{text-align:center;position:relative;z-index:1}
.stats__num{font-size:2.5rem;font-weight:700;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
.stats__num em{font-style:normal;color:var(--accent)}
.stats__label{color:rgba(255,255,255,0.7);font-size:0.875rem;margin-top:6px}
.faq{max-width:800px;margin:0 auto}
.faq__item{border-bottom:1px solid var(--border);transition:background 0.2s}
.faq__item:first-child{border-top:1px solid var(--border)}
.faq__question{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 8px;background:none;border:none;cursor:pointer;font-size:1rem;font-weight:500;color:var(--text-primary);text-align:left;transition:color 0.2s}
.faq__question:hover{color:var(--primary)}
.faq__item.is-open .faq__question{color:var(--primary)}
.faq__icon{width:24px;height:24px;position:relative;flex-shrink:0;transition:transform 0.3s ease}
.faq__icon::before,.faq__icon::after{content:'';position:absolute;background:currentColor;border-radius:2px;transition:all 0.3s ease}
.faq__icon::before{width:14px;height:2px;top:11px;left:5px}
.faq__icon::after{width:2px;height:14px;top:5px;left:11px}
.faq__item.is-open .faq__icon{transform:rotate(45deg)}
.faq__answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease}
.faq__answer-inner{padding:0 8px 20px;color:var(--text-secondary);font-size:0.9375rem;line-height:1.75}
.faq__item.is-open .faq__answer{max-height:400px}
.cta{background:var(--text-primary);border-radius:var(--radius-lg);padding:64px 48px;text-align:center;position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;top:-80px;left:-80px;width:240px;height:240px;background:rgba(27,110,243,0.25);border-radius:50%}
.cta::after{content:'';position:absolute;bottom:-100px;right:-60px;width:280px;height:280px;background:rgba(245,158,11,0.12);border-radius:50%}
.cta__inner{position:relative;z-index:1}
.cta__title{font-size:clamp(1.5rem,2.5vw,2.125rem);font-weight:700;color:#fff;line-height:1.3;margin-bottom:16px}
.cta__subtitle{color:rgba(255,255,255,0.75);max-width:560px;margin:0 auto 32px;font-size:1rem}
.cta__actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.site-footer{background:#0B1524;color:rgba(255,255,255,0.75);padding:64px 0 0;margin-top:80px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer__brand .footer__logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-weight:700;font-size:1.25rem}
.footer__brand .footer__logo-icon{width:32px;height:32px;border-radius:9px;background:var(--primary);display:flex;align-items:center;justify-content:center}
.footer__brand p{font-size:0.875rem;line-height:1.7;max-width:280px}
.footer__col h4{color:#fff;font-size:0.9375rem;font-weight:600;margin-bottom:16px}
.footer__col ul li{margin-bottom:10px}
.footer__col a{font-size:0.875rem;color:rgba(255,255,255,0.65);transition:color 0.2s}
.footer__col a:hover{color:#6DA4FF}
.footer__contact li{font-size:0.875rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.footer__contact li svg{width:16px;height:16px;flex-shrink:0;stroke:rgba(255,255,255,0.5)}
.footer__bottom{border-top:1px solid rgba(255,255,255,0.08);padding:20px 0;font-size:0.8125rem;color:rgba(255,255,255,0.4)}
.footer__bottom .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.footer__links{display:flex;gap:16px}
.footer__links a{color:rgba(255,255,255,0.4)}
.footer__links a:hover{color:#6DA4FF}
@media (max-width: 1023px) {
.capabilities__grid{grid-template-columns:repeat(2,1fr)}
.business__grid{grid-template-columns:1fr}
.biz-card{grid-template-columns:1fr}
.biz-card--flip .biz-card__img{order:1}
.biz-card--flip .biz-card__body{order:2}
.biz-fields{grid-template-columns:repeat(2,1fr)}
.news__grid{grid-template-columns:repeat(2,1fr)}
.stats{grid-template-columns:repeat(2,1fr)}
.footer__grid{grid-template-columns:1fr 1fr}
.hero__inner{grid-template-columns:1fr;gap:32px}
.hero{background:linear-gradient(180deg,rgba(255,255,255,0.96) 0%,rgba(255,255,255,0.88) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
}
@media (max-width: 767px) {
.container{padding:0 16px}
.section{padding:48px 0}
.dock{padding:8px 12px;gap:8px;border-radius:24px}
.dock__logo-text{font-size:1rem}
.dock__nav{display:none}
.dock__cta{display:none}
.nav-toggle{display:flex}
.hero{padding:110px 0 48px}
.hero__title{font-size:1.625rem}
.hero__subtitle{font-size:0.9375rem}
.hero__actions .btn{width:100%}
.capabilities__grid{grid-template-columns:1fr;gap:16px}
.business__grid{grid-template-columns:1fr;gap:16px}
.biz-card__body{padding:20px}
.biz-card__img{min-height:180px}
.biz-fields{grid-template-columns:1fr 1fr;gap:12px}
.news__grid{grid-template-columns:1fr;gap:16px}
.stats{grid-template-columns:1fr 1fr;padding:32px 20px;gap:20px}
.stats__num{font-size:1.75rem}
.faq__question{padding:16px 4px;font-size:0.9375rem}
.cta{padding:40px 20px}
.cta__actions .btn{width:100%}
.footer__grid{grid-template-columns:1fr;gap:32px}
.footer__bottom .container{flex-direction:column;text-align:center}
.footer__links{justify-content:center}
.section__head{margin-bottom:32px}
.news-card__cover{height:160px}
}

/* roulang page: category1 */
/* ==========================================================
   开云电子 · 制造与供应链 分类页
   设计令牌与全站视觉系统
   ========================================================== */
:root {
  /* 色彩系统 */
  --primary: #1B6EF3;
  --primary-hover: #1457C4;
  --primary-active: #0F429A;
  --accent: #F59E0B;
  --info: #E8F0FE;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FE;
  --text-primary: #0F1E32;
  --text-secondary: #3E5068;
  --text-tertiary: #6B7A90;
  --text-invert: #FFFFFF;
  --border: #DCE5F0;
  --border-strong: #B8C7DB;
  --success: #16A34A;
  --success-soft: #E8F7EE;
  --warning: #D97706;
  --warning-soft: #FEF3E2;
  --error: #DC2626;
  --error-soft: #FEE8E8;

  /* 阴影令牌 */
  --shadow-card: 0 1px 2px rgba(15,30,50,0.04), 0 4px 16px rgba(15,30,50,0.06);
  --shadow-hover: 0 4px 12px rgba(15,30,50,0.08), 0 12px 32px rgba(15,30,50,0.12);
  --shadow-dock: 0 8px 32px rgba(15,30,50,0.10);
  --shadow-focus: 0 0 0 3px rgba(27,110,243,0.15);

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  /* 字体 */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-num: "Inter", "DIN Alternate", "Helvetica Neue", system-ui, sans-serif;

  /* 容器与间距 */
  --container: 1200px;
  --space-section: clamp(64px, 10vw, 112px);
  --space-block: 24px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ========== 容器与栅格 ========== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 24px);
}

.section {
  padding: var(--space-section) 0;
}

.section--soft {
  background: var(--bg-soft);
}

.section__head {
  max-width: 720px;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.section__head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section__head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 12px 0 16px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.section__head p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
  transition: all 0.25s ease;
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
}

.btn--primary {
  background: var(--primary);
  color: var(--text-invert);
  box-shadow: 0 2px 8px rgba(27,110,243,0.25);
}

.btn--primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(27,110,243,0.30);
}

.btn--primary:active {
  background: var(--primary-active);
  transform: translateY(0);
  box-shadow: none;
}

.btn--outline {
  background: #fff;
  border-color: var(--border-strong);
  color: var(--primary);
}

.btn--outline:hover {
  border-color: var(--primary);
  background: var(--info);
  color: var(--primary-hover);
}

.btn--light {
  background: #fff;
  color: var(--text-primary);
}

.btn--light:hover {
  background: var(--info);
  color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn--ghost-light {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.btn--ghost-light:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.10);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========== 徽章与标签 ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge--info {
  background: var(--info);
  color: var(--primary);
}

.badge--accent {
  background: var(--warning-soft);
  color: #B45309;
}

.tag {
  display: inline-block;
  height: 24px;
  line-height: 24px;
  padding: 0 10px;
  border-radius: 6px;
  background: var(--info);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

/* ========== 顶部浮动 Dock 导航 ========== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  pointer-events: none;
  padding: 0 clamp(16px, 4vw, 24px);
}

.dock {
  max-width: var(--container);
  margin: 0 auto;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(27,110,243,0.08);
  border-radius: 999px;
  box-shadow: var(--shadow-dock);
  pointer-events: auto;
  transition: box-shadow 0.3s ease;
}

.dock:hover {
  box-shadow: 0 12px 40px rgba(15,30,50,0.14);
}

.dock__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 12px 0 20px;
  height: 60px;
}

.dock__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.dock__brand svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.dock__brand span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.dock__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.dock__link {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.dock__link:hover {
  color: var(--primary);
  background: var(--info);
}

.dock__link.is-active {
  color: var(--primary);
  background: var(--info);
  font-weight: 600;
}

.dock__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.dock__cta:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.dock__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--info);
  padding: 0 10px;
  align-items: center;
  flex-shrink: 0;
}

.dock__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.dock__toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.dock__toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.dock__toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== 分类页 Hero ========== */
.page-hero {
  position: relative;
  padding: clamp(140px, 16vw, 180px) 0 clamp(48px, 6vw, 72px);
  background-image: linear-gradient(90deg, rgba(255,255,255,0.97) 0%, rgba(255,255,255,0.82) 55%, rgba(255,255,255,0.60) 100%), url('/assets/images/backpic/back-1.webp');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--border);
}

.page-hero__content {
  max-width: 660px;
}

.page-hero__content .badge {
  margin-bottom: 20px;
}

.page-hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.page-hero__desc {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 580px;
}

.page-hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== 时间线流程区块 ========== */
.flow-section {
  position: relative;
}

.timeline {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding: 20px 0 10px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}

.timeline__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  width: 50%;
  padding-right: 56px;
  margin-bottom: 48px;
}

.timeline__item:nth-child(even) {
  margin-left: 50%;
  padding-right: 0;
  padding-left: 56px;
}

.timeline__item:last-child {
  margin-bottom: 0;
}

.timeline__card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  width: 100%;
}

.timeline__card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.timeline__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--info);
  color: var(--primary);
  font-family: var(--font-num);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.timeline__card h3 {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.timeline__card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.timeline__dot {
  position: absolute;
  top: 30px;
  right: -9px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 3px rgba(27,110,243,0.12);
  z-index: 2;
}

.timeline__item:nth-child(even) .timeline__dot {
  left: -9px;
  right: auto;
}

/* ========== 场景卡片 ========== */
.scene-section {
  background: var(--bg-soft);
}

.scene-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.scene-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.scene-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.scene-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.scene-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.scene-card:hover .scene-card__media img {
  transform: scale(1.03);
}

.scene-card__body {
  padding: 28px 28px 32px;
}

.scene-card__tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.scene-card__body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.scene-card__body p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary);
  transition: gap 0.2s ease;
}

.link-arrow:hover {
  gap: 10px;
  color: var(--primary-hover);
}

/* ========== 数据统计条 ========== */
.stats-section {
  padding: clamp(48px, 7vw, 72px) 0;
  background: var(--text-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 16px 8px;
}

.stat-num {
  font-family: var(--font-num);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  font-weight: 400;
}

/* ========== FAQ 手风琴 ========== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px 4px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: color 0.25s ease;
}

.faq-item__question:hover {
  color: var(--primary);
}

.faq-item__icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: 16px;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  background: var(--text-tertiary);
  transition: all 0.3s ease;
}

.faq-item__icon::before {
  top: 9px;
  left: 0;
  width: 20px;
  height: 2px;
  border-radius: 1px;
}

.faq-item__icon::after {
  top: 0;
  left: 9px;
  width: 2px;
  height: 20px;
  border-radius: 1px;
}

.faq-item.is-open .faq-item__icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-item.is-open .faq-item__question {
  color: var(--primary);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 4px;
}

.faq-item.is-open .faq-item__answer {
  max-height: 400px;
  padding-bottom: 24px;
}

.faq-item__answer p {
  padding-right: 40px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ========== CTA 区块 ========== */
.cta-section {
  padding-bottom: calc(var(--space-section) + 24px);
}

.cta-inner {
  position: relative;
  background: linear-gradient(135deg, #0F1E32 0%, #152A4A 100%);
  border-radius: var(--radius-lg);
  padding: clamp(48px, 8vw, 72px) clamp(24px, 6vw, 64px);
  text-align: center;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(15,30,50,0.25);
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.cta-inner h2 {
  position: relative;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.cta-inner p {
  position: relative;
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
}

.cta-actions {
  position: relative;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0B1524;
  color: rgba(255,255,255,0.72);
  padding: 72px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.9fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand .footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.footer__logo-icon {
  display: inline-flex;
}

.footer__logo-icon svg {
  width: 34px;
  height: 34px;
}

.footer__brand span {
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
}

.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.55);
  max-width: 320px;
}

.footer__col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}

.footer__col ul li {
  margin-bottom: 10px;
}

.footer__col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s ease;
}

.footer__col ul li a:hover {
  color: #6DA4FF;
}

.footer__contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
}

.footer__contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: #6DA4FF;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

.footer__links a:hover {
  color: #6DA4FF;
}

/* ========== 响应式断点 ========== */
@media (max-width: 1023px) {
  .dock__nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 12px;
    right: 12px;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-dock);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .dock__nav.is-open {
    display: flex;
  }

  .dock__link {
    justify-content: center;
    height: 44px;
    border-radius: 10px;
  }

  .dock__toggle {
    display: flex;
  }

  .dock__cta {
    display: none;
  }

  .timeline {
    max-width: 640px;
  }

  .timeline::before {
    left: 9px;
    transform: none;
  }

  .timeline__item,
  .timeline__item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding-right: 0;
    padding-left: 36px;
  }

  .timeline__dot,
  .timeline__item:nth-child(even) .timeline__dot {
    left: 0;
    right: auto;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 767px) {
  .dock__inner {
    height: 56px;
    padding: 0 8px 0 16px;
  }

  .dock__brand span {
    font-size: 1rem;
  }

  .page-hero {
    padding: 130px 0 48px;
  }

  .page-hero__title {
    font-size: 1.7rem;
  }

  .page-hero__desc {
    font-size: 0.95rem;
  }

  .page-hero__actions .btn {
    width: 100%;
  }

  .scene-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .stat-num {
    font-size: 1.9rem;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }

  .faq-item__question {
    font-size: 0.95rem;
  }
}

@media (max-width: 520px) {
  .dock__inner {
    padding-left: 12px;
  }

  .dock__brand svg {
    width: 28px;
    height: 28px;
  }

  .dock__brand span {
    font-size: 0.95rem;
  }

  .section__head h2 {
    font-size: 1.45rem;
  }

  .timeline__card {
    padding: 20px;
  }

  .scene-card__body {
    padding: 20px;
  }

  .page-hero__title {
    font-size: 1.55rem;
  }

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

  .stat-item {
    padding: 12px 8px;
  }
}

/* roulang page: article */
:root {
  --primary: #1B6EF3;
  --primary-hover: #1457C4;
  --primary-active: #0F429A;
  --accent: #F59E0B;
  --info: #E8F0FE;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FE;
  --text-primary: #0F1E32;
  --text-secondary: #3E5068;
  --text-tertiary: #6B7A90;
  --text-invert: #FFFFFF;
  --border: #DCE5F0;
  --border-strong: #B8C7DB;
  --shadow-card: 0 1px 2px rgba(15,30,50,0.04), 0 4px 16px rgba(15,30,50,0.06);
  --shadow-hover: 0 4px 12px rgba(15,30,50,0.08), 0 12px 32px rgba(15,30,50,0.12);
  --shadow-dock: 0 8px 32px rgba(15,30,50,0.10);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --container-w: 1200px;
  --section-space: clamp(64px, 10vw, 112px);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input, textarea {
  font-family: inherit;
}

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

.container--narrow {
  max-width: 760px;
}

main {
  flex: 1;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .15s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: var(--text-invert);
}
.btn--primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(27,110,243,0.28);
}
.btn--primary:active {
  background: var(--primary-active);
  transform: translateY(0);
}
.btn--light {
  background: #fff;
  color: var(--text-primary);
}
.btn--light:hover {
  background: var(--info);
  color: var(--primary);
  transform: translateY(-1px);
}
.btn--outline-light {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
  background: transparent;
}
.btn--outline-light:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.12);
}
.btn--sm {
  min-height: 38px;
  padding: 0 18px;
  font-size: 0.875rem;
}
.btn--block {
  display: flex;
  width: 100%;
  margin-top: 8px;
}

/* ============ 徽章 / 标签 ============ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--info);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.badge--accent {
  background: #FEF3E2;
  color: #B45309;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--info);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
}

/* ============ 浮动 Dock 导航 ============ */
.site-header {
  padding-top: 16px;
  position: relative;
  z-index: 100;
}
.dock {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, calc(100% - 32px));
  z-index: 1000;
}
.dock__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(27,110,243,0.10);
  border-radius: 999px;
  padding: 10px 14px 10px 20px;
  box-shadow: var(--shadow-dock);
  transition: box-shadow .3s ease;
}
.dock__inner:hover {
  box-shadow: 0 10px 40px rgba(15,30,50,0.14);
}
.dock__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.dock__logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}
.dock__logo-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
.dock__logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.dock__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 16px;
}
.dock__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background .2s ease, color .2s ease;
}
.dock__link:hover {
  color: var(--primary);
  background: rgba(27,110,243,0.06);
}
.dock__link.is-active {
  color: var(--primary);
  background: var(--info);
  font-weight: 600;
}
.dock__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.dock__toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--info);
  color: var(--primary);
  transition: background .2s ease;
}
.dock__toggle:hover {
  background: #d6e4fd;
}
.dock__toggle svg {
  width: 20px;
  height: 20px;
}

.dock__mobile {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
  padding: 16px;
  flex-direction: column;
  gap: 4px;
}
.dock__mobile.is-open {
  display: flex;
}
.dock__mobile-link {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: background .2s ease, color .2s ease;
}
.dock__mobile-link:hover {
  background: var(--info);
  color: var(--primary);
}
.dock__mobile-link.is-active {
  background: var(--info);
  color: var(--primary);
  font-weight: 600;
}

/* ============ 面包屑 ============ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 104px;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}
@media (max-width: 767px) {
  .breadcrumb {
    padding-top: 88px;
  }
}
.breadcrumb a {
  color: var(--text-tertiary);
  transition: color .2s ease;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb__sep {
  color: var(--border-strong);
}
.breadcrumb__current {
  color: var(--text-secondary);
  font-weight: 500;
  max-width: 280px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ============ 文章主体 ============ */
.article-main {
  padding: 32px 0 0;
}
.article {
  padding: 40px 0 24px;
}
.article__category {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
}
.article__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--text-tertiary);
  font-size: 0.8125rem;
  margin-bottom: 16px;
}
.article__meta .badge {
  font-size: 0.75rem;
}
.article__title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.article__author {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article__author::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border-strong);
  margin-right: 6px;
}

/* 正文排版 */
.article__content {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
}
.article__content > * + * {
  margin-top: 24px;
}
.article__content p {
  margin-bottom: 0;
}
.article__content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  margin-top: 44px;
}
.article__content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 36px;
}
.article__content h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 28px;
}
.article__content ul,
.article__content ol {
  padding-left: 1.5em;
}
.article__content li {
  margin-top: 8px;
}
.article__content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--info);
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  color: var(--text-secondary);
}
.article__content a {
  color: var(--primary);
  font-weight: 500;
  border-bottom: 1px solid rgba(27,110,243,0.3);
  transition: border-color .2s ease;
}
.article__content a:hover {
  border-bottom-color: var(--primary);
}
.article__content img {
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 32px 0;
}
.article__content figure {
  margin: 32px 0;
}
.article__content figcaption {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 8px;
}
.article__content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 28px 0;
  display: block;
  overflow-x: auto;
  border-radius: 12px;
}
.article__content th {
  background: var(--info);
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
}
.article__content th,
.article__content td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.article__content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.875em;
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--primary);
}
.article__content pre {
  background: var(--text-primary);
  color: #E8F0FE;
  border-radius: 12px;
  padding: 20px 24px;
  overflow-x: auto;
  font-size: 0.875rem;
}
.article__content pre code {
  background: none;
  color: inherit;
  padding: 0;
}
.article__content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* 文末导航 */
.article__footer-extra {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  padding: 28px 0;
  margin-top: 32px;
  border-top: 1px solid var(--border);
}
.article__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article__footer-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

/* 空态 */
.article-empty {
  text-align: center;
  padding: 120px 24px;
  background: var(--bg-soft);
  border-radius: 24px;
  border: 1px dashed var(--border-strong);
  margin: 48px 0 80px;
}
.article-empty__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--info);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.article-empty__icon svg {
  width: 28px;
  height: 28px;
}
.article-empty h2 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.article-empty p {
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

/* ============ 相关推荐 ============ */
.related {
  background: var(--bg-soft);
  padding: 72px 0;
  margin-top: 32px;
}
.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 36px;
  position: relative;
}
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: var(--primary);
  margin-top: 12px;
}
.related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rel-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.rel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
}
.rel-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-soft);
}
.rel-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.rel-card:hover .rel-card__media img {
  transform: scale(1.05);
}
.rel-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 24px;
  flex: 1;
}
.rel-card__body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rel-card__body p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  line-height: 1.65;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rel-card__link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap .2s ease;
}
.rel-card:hover .rel-card__link {
  gap: 8px;
}

/* ============ CTA 区块 ============ */
.cta-section {
  padding: 72px 0;
}
.cta-card {
  position: relative;
  background-image: linear-gradient(rgba(15,30,50,0.78), rgba(15,30,50,0.82)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  padding: clamp(48px, 8vw, 80px) clamp(24px, 6vw, 72px);
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.cta-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}
.cta-card h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.cta-card p {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  max-width: 540px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta-card__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ 页脚 ============ */
.site-footer {
  background: #0B1524;
  color: rgba(255,255,255,0.75);
  padding: 72px 0 0;
  margin-top: auto;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer__brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin-top: 16px;
  max-width: 320px;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
}
.footer__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  overflow: hidden;
  display: block;
}
.footer__logo-icon svg {
  width: 100%;
  height: 100%;
}
.footer__col h4 {
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color .2s ease;
}
.footer__col a:hover {
  color: #6DA4FF;
}
.footer__contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}
.footer__contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke: rgba(255,255,255,0.4);
}
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__copyright {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}
.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer__links a {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.45);
  transition: color .2s ease;
}
.footer__links a:hover {
  color: #6DA4FF;
}

/* ============ 响应式 ============ */
@media (max-width: 1023px) {
  .related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
  .dock__inner {
    padding: 8px 8px 8px 16px;
  }
  .dock__logo-icon {
    width: 32px;
    height: 32px;
  }
  .dock__logo-text {
    font-size: 1rem;
  }
  .dock__nav {
    display: none;
  }
  .dock__cta {
    display: none;
  }
  .dock__toggle {
    display: inline-flex;
  }
  .article-main {
    padding-top: 24px;
  }
  .breadcrumb {
    padding-top: 86px;
  }
  .article {
    padding-top: 24px;
  }
  .article__title {
    font-size: 1.375rem;
  }
  .article__content {
    font-size: 0.9375rem;
  }
  .article__content h2 {
    font-size: 1.25rem;
  }
  .related {
    padding: 56px 0;
  }
  .related__grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    margin-bottom: 28px;
  }
  .cta-section {
    padding: 48px 0;
  }
  .cta-card__actions .btn {
    width: 100%;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .article__footer-extra {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .related__grid {
    gap: 16px;
  }
  .rel-card {
    flex-direction: column;
  }
  .breadcrumb__current {
    max-width: 180px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #1B6EF3;
  --primary-hover: #1457C4;
  --primary-active: #0F429A;
  --accent: #F59E0B;
  --info: #E8F0FE;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FE;
  --text-primary: #0F1E32;
  --text-secondary: #3E5068;
  --text-tertiary: #6B7A90;
  --text-invert: #FFFFFF;
  --border: #DCE5F0;
  --border-strong: #B8C7DB;
  --success: #16A34A;
  --success-bg: #E8F7EE;
  --warning: #D97706;
  --warning-bg: #FEF3E2;
  --error: #DC2626;
  --error-bg: #FEE8E8;
  --shadow-card: 0 1px 2px rgba(15,30,50,0.04), 0 4px 16px rgba(15,30,50,0.06);
  --shadow-hover: 0 4px 12px rgba(15,30,50,0.08), 0 12px 32px rgba(15,30,50,0.12);
  --shadow-dock: 0 8px 32px rgba(15,30,50,0.10);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --container: 1200px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --section-pad: clamp(64px, 10vw, 112px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

button, input, select, textarea { font-family: inherit; font-size: inherit; }

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

@media (max-width: 767px) {
  .container { padding-left: 16px; padding-right: 16px; }
}

.dock {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 16px;
}

.dock__inner {
  width: min(1200px, 100%);
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(27,110,243,0.08);
  border-radius: 999px;
  box-shadow: var(--shadow-dock);
  padding: 10px 16px 10px 20px;
  min-height: 64px;
  transition: box-shadow 0.3s ease;
}

.dock__inner:hover { box-shadow: 0 12px 40px rgba(15,30,50,0.14); }

.dock__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.dock__logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dock__logo-icon svg { width: 18px; height: 18px; display: block; }

.dock__logo-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.dock__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-wrap: nowrap;
}

.dock__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color 0.2s ease, background-color 0.2s ease;
  white-space: nowrap;
}

.dock__link:hover { color: var(--primary); background: var(--info); }

.dock__link.is-active {
  color: var(--primary);
  background: var(--info);
  font-weight: 600;
}

.dock__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 22px;
  background: var(--primary);
  color: var(--text-invert);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}

.dock__cta:hover { background: var(--primary-hover); }

.dock__cta:active { background: var(--primary-active); transform: scale(0.97); }

.dock__burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.dock__burger svg { width: 20px; height: 20px; stroke: var(--text-primary); }

.dock__mobile-panel {
  display: none;
  position: fixed;
  top: 92px;
  left: 16px;
  right: 16px;
  z-index: 999;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-hover);
  padding: 16px;
}

.dock__mobile-panel.is-open { display: block; }

.dock__mobile-panel .dock__link {
  display: block;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 1rem;
}

.dock__mobile-panel .dock__cta {
  width: 100%;
  margin-top: 12px;
  height: 44px;
}

@media (max-width: 1023px) {
  .dock__nav .dock__link:not(.is-active) { display: none; }
  .dock__nav .dock__link.is-active { display: inline-flex; }
}

@media (max-width: 767px) {
  .dock__inner { gap: 8px; padding: 8px 12px 8px 16px; }
  .dock__nav { display: none; }
  .dock__cta { display: none; }
  .dock__burger { display: flex; }
  .dock__logo-text { font-size: 1rem; }
}

.page-hero {
  position: relative;
  padding-top: 140px;
  padding-bottom: 72px;
  background: var(--bg-soft) url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  min-height: 480px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(246,249,254,0.96) 30%, rgba(246,249,254,0.72) 70%, rgba(246,249,254,0.55));
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--info);
  border: 1px solid rgba(27,110,243,0.12);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.page-hero__badge svg { width: 14px; height: 14px; }

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  max-width: 720px;
  margin-bottom: 16px;
}

.page-hero h1 span { color: var(--primary); }

.page-hero__desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.page-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}

.btn--primary { background: var(--primary); color: #fff; }

.btn--primary:hover { background: var(--primary-hover); box-shadow: 0 4px 16px rgba(27,110,243,0.28); }

.btn--primary:active { background: var(--primary-active); transform: scale(0.98); }

.btn--outline {
  background: #fff;
  border-color: var(--border-strong);
  color: var(--primary);
}

.btn--outline:hover { border-color: var(--primary); background: var(--info); }

.btn--light {
  background: #fff;
  color: var(--text-primary);
}

.btn--light:hover { background: var(--info); }

@media (max-width: 767px) {
  .page-hero { padding-top: 120px; padding-bottom: 48px; min-height: auto; }
  .page-hero__desc { font-size: 0.95rem; }
  .page-hero__actions .btn { width: 100%; }
}

.section {
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
}

.section--soft { background: var(--bg-soft); }

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section__tag {
  display: inline-block;
  background: var(--info);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.03em;
}

.section__header h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section__header p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.alternate-grid { display: flex; flex-direction: column; gap: 64px; }

.alternate-card {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.alternate-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }

.alternate-card__image { position: relative; min-height: 300px; overflow: hidden; }

.alternate-card__image img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }

.alternate-card__content { padding: 40px 40px 40px 0; }

.alternate-card--reverse .alternate-card__image { order: 2; }

.alternate-card--reverse .alternate-card__content { padding: 40px 0 40px 40px; }

.alternate-card__badge {
  display: inline-block;
  background: var(--info);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.alternate-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.35;
}

.alternate-card__text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.alternate-card__points { margin-bottom: 20px; }

.alternate-card__points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 6px 0;
  line-height: 1.6;
}

.alternate-card__points li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  margin-top: 9px;
}

.alternate-card__link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.alternate-card__link:hover { text-decoration: underline; }

@media (max-width: 767px) {
  .alternate-grid { gap: 32px; }
  .alternate-card { grid-template-columns: 1fr; gap: 0; }
  .alternate-card__image { min-height: 220px; position: relative; height: 220px; }
  .alternate-card__image img { position: absolute; }
  .alternate-card__content, .alternate-card--reverse .alternate-card__content { padding: 24px; }
  .alternate-card--reverse .alternate-card__image { order: 0; }
  .alternate-card h3 { font-size: 1.25rem; }
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.spec-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.spec-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 56px;
  background: var(--primary);
  border-radius: 0 0 4px 0;
}

.spec-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.spec-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--info);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.spec-card__icon svg { width: 24px; height: 24px; stroke: var(--primary); }

.spec-card h3 { font-size: 1.125rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }

.spec-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

.spec-card__meta {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-card__meta span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
}

@media (max-width: 1023px) {
  .specs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .specs-grid { grid-template-columns: 1fr; }
}

.feature-strip {
  background: var(--text-primary);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.feature-strip__item { text-align: center; color: #fff; }

.feature-strip__item .num {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.feature-strip__item .num span { color: #6DA4FF; }

.feature-strip__item .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.72);
  margin-top: 6px;
  line-height: 1.5;
}

@media (max-width: 767px) {
  .feature-strip { grid-template-columns: repeat(2, 1fr); padding: 32px 24px; gap: 24px; }
  .feature-strip__item .num { font-size: 1.6rem; }
}

.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item { border-bottom: 1px solid var(--border); }

.faq-item:first-child { border-top: 1px solid var(--border); }

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  padding: 22px 8px;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

.faq-item__trigger:hover { color: var(--primary); }

.faq-item__trigger.is-open { color: var(--primary); font-weight: 600; }

.faq-item__trigger svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-tertiary);
  transition: transform 0.3s ease, color 0.2s ease;
}

.faq-item__trigger.is-open svg { transform: rotate(45deg); color: var(--primary); }

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item__answer-inner {
  padding: 0 8px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.cta-section {
  padding-bottom: var(--section-pad);
}

.cta-box {
  background: linear-gradient(135deg, #0F1E32 0%, #1B3A66 60%, #1B6EF3 160%);
  border-radius: var(--radius-lg);
  padding: clamp(48px, 8vw, 80px) clamp(24px, 6vw, 64px);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  opacity: 0.15;
  mix-blend-mode: overlay;
}

.cta-box > * { position: relative; z-index: 1; }

.cta-box h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-box p {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.cta-box__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 767px) {
  .cta-box__actions .btn { width: 100%; }
}

.site-footer {
  background: #0B1524;
  color: rgba(255,255,255,0.72);
  padding: 64px 0 0;
  margin-top: 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__logo-icon svg { width: 20px; height: 20px; display: block; }

.footer__logo span {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.footer__brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 320px;
}

.footer__col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}

.footer__col ul li { margin-bottom: 10px; }

.footer__col ul a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s ease;
  line-height: 1.6;
}

.footer__col ul a:hover { color: #6DA4FF; }

.footer__contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}

.footer__contact svg {
  width: 16px;
  height: 16px;
  stroke: #6DA4FF;
  flex-shrink: 0;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

.footer__links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer__links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  transition: color 0.2s ease;
}

.footer__links a:hover { color: #6DA4FF; }

@media (max-width: 1023px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__links { gap: 12px 20px; }
}

/* roulang page: category3 */
:root {
  --primary: #1B6EF3;
  --primary-hover: #1457C4;
  --primary-active: #0F429A;
  --accent: #F59E0B;
  --info: #E8F0FE;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FE;
  --text-primary: #0F1E32;
  --text-secondary: #3E5068;
  --text-tertiary: #6B7A90;
  --text-invert: #FFFFFF;
  --border: #DCE5F0;
  --border-strong: #B8C7DB;
  --shadow-card: 0 1px 2px rgba(15,30,50,0.04), 0 4px 16px rgba(15,30,50,0.06);
  --shadow-hover: 0 4px 12px rgba(15,30,50,0.08), 0 12px 32px rgba(15,30,50,0.12);
  --shadow-dock: 0 8px 32px rgba(15,30,50,0.10);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --container: 1200px;
  --space-section: clamp(64px, 10vw, 112px);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
}

input, select, textarea {
  font-family: inherit;
}

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

/* ===== 浮动 Dock 导航 ===== */
.dock {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, calc(100% - 32px));
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(27, 110, 243, 0.08);
  border-radius: 999px;
  box-shadow: var(--shadow-dock);
  transition: box-shadow 0.25s ease;
}

.dock:hover {
  box-shadow: 0 12px 40px rgba(15, 30, 50, 0.14);
}

.dock__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.dock__logo-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dock__logo-icon svg {
  width: 32px;
  height: 32px;
}

.dock__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.dock__link {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.dock__link:hover {
  color: var(--primary);
  background: rgba(27, 110, 243, 0.06);
}

.dock__link.is-active {
  color: var(--primary);
  background: var(--info);
  font-weight: 600;
}

.dock__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s, transform 0.1s;
  white-space: nowrap;
}

.dock__cta:hover {
  background: var(--primary-hover);
}

.dock__cta:active {
  background: var(--primary-active);
  transform: scale(0.97);
}

.dock__toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-primary);
  transition: border-color 0.2s, background 0.2s;
}

.dock__toggle:hover {
  border-color: var(--primary);
  background: var(--info);
}

.dock__menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 16px;
  right: 16px;
  background: var(--bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
  padding: 16px;
  z-index: 999;
}

.dock__menu.is-open {
  display: block;
}

.dock__menu .dock__link {
  display: block;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
}

.dock__menu .dock__cta {
  display: flex;
  margin-top: 12px;
  width: 100%;
}

/* ===== 按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.1s;
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
}

.btn--primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn--primary:active {
  background: var(--primary-active);
  transform: scale(0.98);
}

.btn--outline {
  background: var(--bg);
  color: var(--primary);
  border: 1px solid var(--border-strong);
}

.btn--outline:hover {
  border-color: var(--primary);
  background: var(--info);
}

.btn--white {
  background: #fff;
  color: var(--text-primary);
  border: 1px solid #fff;
}

.btn--white:hover {
  background: #E8F0FE;
  border-color: #E8F0FE;
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn--ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* ===== Hero（分类页矮版） ===== */
.hero--page {
  padding: 148px 0 72px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.97) 55%, rgba(255, 255, 255, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  background: var(--info);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.hero--page h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 20px;
  max-width: 720px;
  letter-spacing: -0.01em;
}

.hero--page .hero__desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 32px;
  line-height: 1.85;
}

/* ===== 通用板块 ===== */
.section-pad {
  padding: var(--space-section) 0;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
}

.section-head p {
  color: var(--text-tertiary);
  margin-top: 12px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.95rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  background: var(--info);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

/* ===== 数字指标条 ===== */
.stats-section {
  background: var(--bg-soft);
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 28px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  display: block;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 8px;
  display: block;
}

/* ===== 服务目录表格 ===== */
.table-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}

.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  overflow-x: auto;
  box-shadow: var(--shadow-card);
}

.service-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.service-table th {
  background: var(--info);
  color: var(--text-primary);
  font-weight: 600;
  text-align: left;
  padding: 16px 20px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.service-table td {
  padding: 18px 20px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.95rem;
  vertical-align: top;
  line-height: 1.7;
}

.service-table tbody tr:first-child td {
  border-top: none;
}

.service-table tbody tr:hover td {
  background: var(--bg-soft);
}

.service-table td:first-child {
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
}

.table-note {
  margin-top: 16px;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  text-align: center;
}

/* ===== 图文组合卡 ===== */
.feature-section {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-section) 0;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 72px;
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row--reverse .feature-media {
  order: 2;
}

.feature-row--reverse .feature-body {
  order: 1;
}

.feature-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  position: relative;
}

.feature-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.feature-row:hover .feature-media img {
  transform: scale(1.03);
}

.feature-body h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.4;
}

.feature-body p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
  font-size: 0.95rem;
}

.feature-list li {
  padding-left: 24px;
  position: relative;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

/* ===== 跳转卡 ===== */
.jump-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}

.jump-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.jump-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display: block;
}

.jump-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
}

.jump-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--info);
  border-radius: 12px;
  margin-bottom: 18px;
}

.jump-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
}

.jump-card h3 {
  font-size: 1.125rem;
  margin-bottom: 10px;
  color: var(--text-primary);
  font-weight: 600;
}

.jump-card p {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-bottom: 18px;
  line-height: 1.7;
}

.jump-link {
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.jump-card:hover .jump-link {
  text-decoration: underline;
}

/* ===== FAQ 手风琴 ===== */
.faq-section {
  background: var(--bg-soft);
  padding: var(--space-section) 0;
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: color 0.2s;
  min-height: 44px;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 0.3s, background 0.3s;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}

.faq-item.is-open .faq-icon::after {
  transform: scaleY(0);
}

.faq-item.is-open .faq-question {
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.is-open .faq-answer {
  max-height: 320px;
  padding-bottom: 24px;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* ===== CTA 区块 ===== */
.cta-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}

.cta-inner {
  background: var(--text-primary);
  border-radius: var(--radius-lg);
  padding: 64px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.15;
}

.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2rem);
  position: relative;
  margin-bottom: 14px;
  font-weight: 700;
  line-height: 1.3;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.8);
  position: relative;
  margin-bottom: 28px;
  font-size: 0.95rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  position: relative;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0B1524;
  color: #A0B0C3;
  padding: 64px 0 24px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer__logo-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer__logo-icon svg {
  width: 32px;
  height: 32px;
}

.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: #8B9CB0;
  max-width: 320px;
}

.footer__col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer__col ul li {
  margin-bottom: 10px;
}

.footer__col a {
  color: #A0B0C3;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer__col a:hover {
  color: #6DA4FF;
}

.footer__contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #A0B0C3;
}

.footer__contact svg {
  width: 16px;
  height: 16px;
  stroke: #6DA4FF;
  flex-shrink: 0;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copyright {
  font-size: 0.85rem;
  color: #6B7A90;
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__links a {
  font-size: 0.85rem;
  color: #6B7A90;
  transition: color 0.2s;
}

.footer__links a:hover {
  color: #6DA4FF;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .dock__nav .dock__link {
    padding: 8px 10px;
    font-size: 0.85rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .feature-row,
  .feature-row--reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .feature-row--reverse .feature-media {
    order: 1;
  }

  .feature-row--reverse .feature-body {
    order: 2;
  }

  .feature-media img {
    height: 260px;
  }

  .jump-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .dock {
    padding: 10px 16px;
    top: 12px;
    width: calc(100% - 24px);
  }

  .dock__nav,
  .dock__cta {
    display: none;
  }

  .dock__toggle {
    display: inline-flex;
  }

  .dock__menu.is-open {
    display: block;
    top: 68px;
  }

  .hero--page {
    padding: 120px 0 56px;
  }

  .hero--page h1 {
    font-size: 1.6rem;
  }

  .hero--page .hero__desc {
    font-size: 0.95rem;
  }

  .btn {
    width: 100%;
  }

  .stats-section {
    padding: 48px 0;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 20px 12px;
  }

  .stat-num {
    font-size: 1.8rem;
  }

  .stat-label {
    font-size: 0.85rem;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .section-head h2 {
    font-size: 1.4rem;
  }

  .table-wrap {
    margin: 0 -16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .service-table th,
  .service-table td {
    padding: 14px 16px;
  }

  .feature-media img {
    height: 220px;
  }

  .cta-inner {
    padding: 48px 20px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-actions .btn {
    width: 100%;
    max-width: 320px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__links {
    flex-wrap: wrap;
    gap: 12px;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-num {
    font-size: 1.6rem;
  }

  .feature-body h3 {
    font-size: 1.15rem;
  }

  .dock__logo-text {
    font-size: 0.95rem;
  }

  .dock__logo-icon {
    width: 28px;
    height: 28px;
  }
}