/* roulang page: index */
:root{
  --rose:#E23E57;
  --rose-dark:#C7304A;
  --rose-soft:#FDE9EC;
  --orange:#F5A05D;
  --ink:#2B1B2E;
  --ink-soft:#5A4655;
  --green:#2E9E7E;
  --bg:#FBF6F1;
  --bg-alt:#F6EDE6;
  --white:#FFFFFF;
  --line:#EADFD5;
  --muted:#7A6B72;
  --container:1140px;
  --radius:14px;
  --shadow:0 8px 24px -16px rgba(43,27,46,.35);
  --shadow-lg:0 16px 34px -18px rgba(43,27,46,.42);
}

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

html,body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}

img{display:block;max-width:100%;height:auto;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--rose);}
button{font-family:inherit;font-size:inherit;}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.36;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{outline:3px solid var(--orange);outline-offset:2px;}

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

/* ============ 页头 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:8px 0;
  font-size:12px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
.topbar__note{letter-spacing:.04em;}
.topbar__link{
  font-size:12px;
  color:var(--ink-soft);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.topbar__link:hover{color:var(--rose);border-bottom-color:var(--rose);}

.masthead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:20px 0 16px;
}
.brand{display:flex;align-items:center;gap:14px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__name{font-size:30px;font-weight:800;letter-spacing:.02em;line-height:1.1;}
.brand__sep{width:1px;height:26px;background:var(--line);display:block;}
.brand__sub{font-size:13px;color:var(--muted);letter-spacing:.05em;}

.nav{display:flex;align-items:center;flex-wrap:wrap;}
.nav a{
  position:relative;
  display:inline-block;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--ink);
  padding:6px 16px;
  border-bottom:3px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.nav a:first-child{padding-left:0;}
.nav a:hover{color:var(--rose);}
.nav a.is-active{color:var(--rose);border-bottom-color:var(--rose);}
.nav .nav__dl{
  color:var(--rose);
  border:1px solid var(--rose);
  border-radius:999px;
  padding:5px 18px;
  margin-left:8px;
  font-size:14px;
}
.nav .nav__dl:hover{background:var(--rose);color:#fff;}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}

.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(43,27,46,.28);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
  z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--white{background:var(--white);}
.section--alt{background:var(--bg-alt);}
.section--dark{background:var(--ink);color:#F3E8E2;}
.section--dark h2,.section--dark h3{color:#fff;}
.section__head{max-width:760px;margin-bottom:44px;}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--rose);
  background:var(--rose-soft);
  padding:4px 12px;
  border-radius:6px;
  margin-bottom:16px;
}
.section__title{font-size:26px;letter-spacing:.01em;margin-bottom:14px;}
.section__desc{font-size:15px;color:var(--ink-soft);max-width:760px;}
.section--dark .section__desc{color:#DCCCD3;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn--primary{
  background:var(--rose);
  color:#fff;
  box-shadow:0 10px 20px -14px rgba(226,62,87,.95);
}
.btn--primary:hover{background:var(--rose-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(199,48,74,.95);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{
  background:#fff;
  color:var(--rose);
  border-color:var(--rose);
}
.btn--ghost:hover{background:var(--rose-soft);color:var(--rose-dark);border-color:var(--rose-dark);}
.btn--download{
  background:var(--ink);
  color:#F3E8E2;
}
.btn--download:hover{background:#3C2642;color:#fff;transform:translateY(-1px);}
.btn--block{width:100%;}

/* ============ Hero ============ */
.hero{
  background:var(--white);
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
.hero__title{
  font-size:40px;
  line-height:1.32;
  letter-spacing:.01em;
  margin:16px 0 18px;
}
.hero__desc{
  font-size:16px;
  color:var(--ink-soft);
  max-width:760px;
  margin-bottom:28px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero__chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero__chips li{
  font-size:13px;
  color:var(--ink-soft);
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:6px;
  padding:4px 12px;
}
.hero__media{margin-top:8px;}
.hero__figure{
  position:relative;
  margin:0;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:4/3;
  background:var(--bg-alt);
}
.hero__figure img{width:100%;height:100%;object-fit:cover;}
.hero__sticker{
  position:absolute;
  left:14px;
  bottom:14px;
  background:#fff;
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  padding:5px 12px;
  border-radius:6px;
  border:1px solid var(--line);
  box-shadow:0 6px 14px -10px rgba(43,27,46,.6);
}
.hero__strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-top:12px;
}
.hero__strip img{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--bg-alt);
}

/* ============ 指标看板 ============ */
.metric-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.metric-card__num{font-size:34px;font-weight:800;color:var(--rose);line-height:1.05;}
.metric-card__label{font-size:15px;font-weight:700;margin:10px 0 6px;}
.metric-card__note{font-size:12px;color:var(--muted);line-height:1.7;margin:0;}

/* ============ 下载区 ============ */
.dl-card{
  display:flex;
  align-items:center;
  gap:18px;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.dl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.dl-card__icon{
  flex:0 0 64px;
  width:64px;
  height:64px;
  border-radius:12px;
  background:var(--bg-alt);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  font-weight:800;
  color:var(--rose);
  letter-spacing:.02em;
}
.dl-card__body{flex:1 1 auto;min-width:0;}
.dl-card__name{font-size:17px;font-weight:800;margin-bottom:2px;}
.dl-card__file{font-size:12px;color:var(--muted);font-family:ui-monospace,Menlo,Consolas,monospace;word-break:break-all;margin-bottom:12px;}
.dl-note{font-size:13px;color:var(--muted);margin:22px 0 0;}

/* ============ 功能矩阵 ============ */
.feature-card{
  position:relative;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 24px 22px;
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.feature-card::before{
  content:"";
  position:absolute;
  left:0;
  top:26px;
  width:3px;
  height:34px;
  background:var(--rose);
  border-radius:0 3px 3px 0;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.feature-card__icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(245,160,93,.18);
  color:var(--rose);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:16px;
  margin-bottom:16px;
}
.feature-card__title{font-size:18px;margin-bottom:10px;}
.feature-card__desc{font-size:14px;color:var(--ink-soft);margin-bottom:14px;}
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--rose);
  background:var(--rose-soft);
  border-radius:6px;
  padding:2px 10px;
}
.tag--green{color:var(--green);background:rgba(46,158,126,.12);}

/* ============ 关键词盘点 ============ */
.kw-aside{
  position:sticky;
  top:110px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow);
}
.kw-aside h3{font-size:18px;margin-bottom:12px;}
.kw-aside p{font-size:14px;color:var(--ink-soft);}
.kw-aside ul li{
  font-size:14px;
  color:var(--ink-soft);
  padding:10px 0;
  border-top:1px solid var(--line);
  display:flex;
  gap:10px;
}
.kw-aside ul li span{color:var(--rose);font-weight:800;}
.kw-table-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.kw-table{width:100%;}
.kw-table th{
  background:var(--bg-alt);
  font-size:13px;
  color:var(--ink-soft);
  font-weight:700;
  text-align:left;
  padding:14px 20px;
  letter-spacing:.04em;
}
.kw-table td{
  padding:16px 20px;
  font-size:14px;
  border-top:1px solid var(--line);
  color:var(--ink-soft);
  vertical-align:top;
  line-height:1.7;
}
.kw-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
.kw-table a{color:var(--rose);border-bottom:1px solid transparent;}
.kw-table a:hover{color:var(--rose-dark);border-bottom-color:var(--rose-dark);}

/* ============ 对比 ============ */
.compare{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.compare__row{
  display:grid;
  grid-template-columns:1.1fr 1fr 1fr;
  border-top:1px solid var(--line);
}
.compare__row:first-child{border-top:0;background:var(--bg-alt);}
.compare__cell{
  padding:16px 20px;
  font-size:14px;
  color:var(--ink-soft);
  border-left:1px solid var(--line);
  line-height:1.7;
}
.compare__cell:first-child{border-left:0;font-weight:700;color:var(--ink);}
.compare__row--head .compare__cell{font-weight:700;color:var(--ink);font-size:13px;letter-spacing:.04em;}
.compare__row--head .compare__cell:nth-child(2){color:var(--green);}
.compare__row--head .compare__cell:nth-child(3){color:var(--rose);}

/* ============ 时间轴 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  position:relative;
  padding-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:30px;
  left:10%;
  right:10%;
  height:2px;
  background:var(--line);
}
.tl-step{position:relative;text-align:center;padding:0 10px;}
.tl-step__dot{
  position:relative;
  z-index:1;
  width:46px;
  height:46px;
  margin:0 auto 16px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--rose);
  color:var(--rose);
  font-weight:800;
  font-size:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background-color .18s ease,color .18s ease;
}
.tl-step:hover .tl-step__dot{background:var(--rose);color:#fff;}
.tl-step__title{font-size:16px;font-weight:800;margin-bottom:6px;}
.tl-step__desc{font-size:13px;color:var(--muted);line-height:1.7;}

/* ============ 场景专题 ============ */
.scene-card{
  display:grid;
  grid-template-columns:170px 1fr;
  gap:20px;
  align-items:center;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.scene-card__thumb{
  border-radius:10px;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:var(--bg-alt);
}
.scene-card__thumb img{width:100%;height:100%;object-fit:cover;}
.scene-card__title{font-size:17px;margin-bottom:8px;}
.scene-card__desc{font-size:13px;color:var(--ink-soft);margin:0 0 10px;line-height:1.7;}

/* ============ 资讯 ============ */
.news-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.news-card__link{display:block;height:100%;color:var(--ink);}
.news-card__link:hover{color:var(--ink);}
.news-card__thumb{aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden;}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card__link:hover .news-card__thumb img{transform:scale(1.03);}
.news-card__content{padding:18px 20px 20px;}
.news-card__title{font-size:16px;line-height:1.55;margin:10px 0 8px;}
.news-card__link:hover .news-card__title{color:var(--rose);}
.news-card__desc{font-size:13px;color:var(--ink-soft);line-height:1.7;margin:0 0 12px;}
.news-card__meta{font-size:12px;color:var(--muted);}
.news-empty{
  text-align:center;
  padding:64px 24px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--radius);
  color:var(--muted);
  font-size:15px;
}
.news-more{margin-top:40px;text-align:center;}

/* ============ 平台保障 ============ */
.guard__title{font-size:26px;margin-bottom:14px;}
.guard__desc{font-size:15px;color:#D9C8CF;max-width:520px;margin:0;}
.guard__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.guard__card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);
  padding:20px;
  transition:background-color .18s ease;
}
.guard__card:hover{background:rgba(255,255,255,.14);}
.guard__card h4{font-size:15px;color:#fff;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.guard__dot{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block;}
.guard__card p{font-size:13px;color:#D9C8CF;margin:0;line-height:1.7;}

/* ============ 快速解答 ============ */
.quick{display:grid;grid-template-columns:repeat(3,1fr);}
.quick__item{padding:0 28px;border-left:1px solid var(--line);}
.quick__item:first-child{border-left:0;padding-left:0;}
.quick__item:last-child{padding-right:0;}
.quick__q{font-size:16px;font-weight:800;margin-bottom:10px;}
.quick__a{font-size:14px;color:var(--ink-soft);margin:0;line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.faq-item{border-top:1px solid var(--line);transition:background-color .18s ease;}
.faq-item:first-child{border-top:0;}
.faq-item.is-open{background:#FFFDFB;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  background:none;
  border:0;
  padding:20px 24px;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  transition:color .18s ease,padding .18s ease;
}
.faq-q:hover{color:var(--rose);}
.faq-item.is-open .faq-q{color:var(--rose);padding-left:32px;border-left:3px solid var(--rose);}
.faq-q__icon{
  flex:0 0 24px;
  width:24px;
  height:24px;
  border-radius:50%;
  background:var(--bg-alt);
  color:var(--rose);
  font-size:15px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .18s ease,background-color .18s ease;
}
.faq-item.is-open .faq-q__icon{background:var(--rose);color:#fff;transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a__inner{padding:0 24px 22px 32px;font-size:14px;color:var(--ink-soft);line-height:1.8;}
.faq-a__inner a{color:var(--rose);border-bottom:1px solid rgba(226,62,87,.3);}
.faq-a__inner a:hover{border-bottom-color:var(--rose);}

/* ============ 表单 ============ */
.form-note{font-size:13px;color:var(--muted);margin-top:12px;}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
  box-shadow:var(--shadow);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,
.field select,
.field textarea{
  width:100%;
  font-family:inherit;
  font-size:15px;
  color:var(--ink);
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 14px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--rose);
  box-shadow:0 0 0 3px rgba(226,62,87,.12);
}
.field input::placeholder,
.field textarea::placeholder{color:#B5A6AC;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#F3E8E2;
  padding:64px 0 28px;
}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.site-footer p{font-size:13px;color:#C9B7C0;line-height:1.8;margin:0 0 14px;}
.site-footer a{color:#E4D3DB;font-size:13px;}
.site-footer a:hover{color:var(--orange);}
.footer-brand__name{font-size:20px;font-weight:800;color:#fff;display:block;margin-bottom:10px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-bottom{
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:12px;
  color:#A7949E;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero__title{font-size:34px;}
  .brand__name{font-size:24px;}
  .brand__sub{font-size:12px;}
  .nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:82%;
    max-width:330px;
    flex-direction:column;
    align-items:stretch;
    flex-wrap:nowrap;
    background:var(--bg);
    border-left:1px solid var(--line);
    padding:78px 20px 24px;
    transform:translateX(102%);
    transition:transform .26s ease;
    z-index:80;
    overflow-y:auto;
    box-shadow:-16px 0 40px -26px rgba(43,27,46,.9);
  }
  .nav.is-open{transform:translateX(0);}
  .nav a{
    display:block;
    padding:14px 4px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav a:first-child{padding-left:4px;}
  .nav a.is-active{border-bottom-color:var(--rose);}
  .nav .nav__dl{margin:18px 0 0;text-align:center;padding:12px 18px;border-bottom:0;}
  .nav-toggle{display:flex;}
  .kw-aside{position:static;margin-bottom:24px;}
  .quick{grid-template-columns:1fr;}
  .quick__item{border-left:0;border-top:1px solid var(--line);padding:20px 0;}
  .quick__item:first-child{border-top:0;padding-top:0;}
  .quick__item:last-child{padding-bottom:0;padding-right:0;}
  .timeline{grid-template-columns:repeat(3,1fr);row-gap:32px;}
  .timeline::before{display:none;}
  .guard__grid{margin-top:32px;}
}

@media (max-width:767px){
  .section{padding:56px 0;}
  .container{padding:0 18px;}
  .hero{padding:36px 0 44px;}
  .hero__title{font-size:28px;line-height:1.38;}
  .hero__desc{font-size:15px;}
  .hero__actions{gap:12px;}
  .hero__actions .btn{width:100%;}
  .masthead{padding:16px 0 12px;}
  .brand{gap:10px;}
  .brand__name{font-size:20px;}
  .brand__sub{font-size:11px;letter-spacing:.02em;}
  .brand__sep{height:20px;}
  .topbar__note{font-size:11px;}
  .section__title{font-size:22px;}
  .section__head{margin-bottom:32px;}
  .hero__strip{gap:8px;}

  .kw-table thead{display:none;}
  .kw-table,
  .kw-table tbody,
  .kw-table tr,
  .kw-table td{display:block;width:100%;}
  .kw-table tr{border-top:1px solid var(--line);padding:6px 0;}
  .kw-table tr:first-child{border-top:0;}
  .kw-table td{border-top:0;padding:8px 18px;}
  .kw-table td:first-child{padding-top:16px;font-size:15px;}
  .kw-table td:last-child{padding-bottom:16px;}
  .kw-table td::before{
    content:attr(data-label);
    display:block;
    font-size:11px;
    color:var(--muted);
    letter-spacing:.08em;
    margin-bottom:2px;
  }

  .compare__row{grid-template-columns:1fr;}
  .compare__row--head{display:none;}
  .compare__cell{border-left:0;border-top:1px solid var(--line);padding:12px 18px;}
  .compare__cell:first-child{border-top:0;background:var(--bg-alt);}
  .compare__cell::before{
    content:attr(data-label);
    display:block;
    font-size:11px;
    color:var(--muted);
    letter-spacing:.08em;
    margin-bottom:2px;
  }
  .compare__cell:first-child::before{content:"对比项";}

  .timeline{grid-template-columns:1fr;row-gap:0;}
  .tl-step{
    display:grid;
    grid-template-columns:46px 1fr;
    gap:16px;
    text-align:left;
    padding:0 0 26px;
  }
  .tl-step__dot{margin:0;}
  .tl-step:last-child{padding-bottom:0;}

  .scene-card{grid-template-columns:120px 1fr;gap:14px;padding:14px;}

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

  .form-card{padding:22px 18px;}
  .faq-q{font-size:15px;padding:18px 18px;}
  .faq-item.is-open .faq-q{padding-left:24px;}
  .faq-a__inner{padding:0 18px 20px 24px;}
}

@media (max-width:479px){
  .brand__sub{display:none;}
  .brand__sep{display:none;}
  .hero__title{font-size:24px;}
  .section__title{font-size:20px;}
  .dl-card{flex-direction:column;align-items:flex-start;}
  .dl-card__icon{flex:0 0 56px;width:56px;height:56px;}
  .scene-card{grid-template-columns:1fr;}
  .scene-card__thumb{aspect-ratio:16/9;}
}

/* roulang page: article */
:root{
  --rose:#E23E57;
  --rose-dark:#C7304A;
  --rose-soft:#FDE9EC;
  --orange:#F5A05D;
  --ink:#2B1B2E;
  --ink-soft:#5A4655;
  --green:#2E9E7E;
  --bg:#FBF6F1;
  --bg-alt:#F6EDE6;
  --white:#FFFFFF;
  --line:#EADFD5;
  --muted:#7A6B72;
  --container:1140px;
  --radius:14px;
  --shadow:0 8px 24px -16px rgba(43,27,46,.35);
  --shadow-lg:0 16px 34px -18px rgba(43,27,46,.42);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--ink);font-weight:700;line-height:1.4;margin:0;}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding-left:1.25em;}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--rose);}
button{font-family:inherit;font-size:inherit;}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{outline:3px solid var(--orange);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* ============ 页头 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:8px 0;
  font-size:12px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
.topbar__note{letter-spacing:.04em;}
.topbar__link{
  font-size:12px;
  color:var(--ink-soft);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.topbar__link:hover{color:var(--rose);border-bottom-color:var(--rose);}
.masthead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:18px 0 14px;
  position:relative;
}
.brand{display:flex;align-items:center;gap:14px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__name{font-size:30px;font-weight:800;letter-spacing:.02em;line-height:1.1;}
.brand__sep{width:1px;height:26px;background:var(--line);display:block;}
.brand__sub{font-size:13px;color:var(--muted);letter-spacing:.05em;}
.nav{display:flex;align-items:center;flex-wrap:wrap;}
.nav a{
  position:relative;
  display:inline-block;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--ink);
  padding:6px 16px;
  border-bottom:3px solid transparent;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.nav a:first-child{padding-left:0;}
.nav a:hover{color:var(--rose);}
.nav a.is-active{color:var(--rose);border-bottom-color:var(--rose);}
.nav .nav__dl{
  color:var(--rose);
  border:1px solid var(--rose);
  border-radius:999px;
  padding:5px 18px;
  margin-left:8px;
  font-size:14px;
}
.nav .nav__dl:hover{background:var(--rose);color:#fff;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}
/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--white{background:var(--white);}
.section--alt{background:var(--bg-alt);}
.section__head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--rose);
  background:var(--rose-soft);
  padding:4px 12px;
  border-radius:6px;
  margin-bottom:16px;
}
.section__title{font-size:26px;letter-spacing:.01em;margin-bottom:14px;}
.section__desc{font-size:15px;color:var(--ink-soft);max-width:760px;margin:0;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn--primary{
  background:var(--rose);
  color:#fff;
  box-shadow:0 10px 20px -14px rgba(226,62,87,.95);
}
.btn--primary:hover{background:var(--rose-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(199,48,74,.95);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{
  background:#fff;
  color:var(--rose);
  border-color:var(--rose);
}
.btn--ghost:hover{background:var(--rose-soft);color:var(--rose-dark);border-color:var(--rose-dark);}
.btn--download{
  background:var(--ink);
  color:#F3E8E2;
}
.btn--download:hover{background:#3C2642;color:#fff;transform:translateY(-1px);}
.btn--block{width:100%;}
/* ============ 标签 ============ */
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--rose);
  background:var(--rose-soft);
  border-radius:6px;
  padding:3px 10px;
  line-height:1.6;
}
.tag--soft{color:var(--ink-soft);background:var(--bg-alt);}
/* ============ 文章页 ============ */
.crumb-bar{background:var(--white);border-bottom:1px solid var(--line);padding:14px 0;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin:0;
}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;}
.breadcrumb a:hover{color:var(--rose);border-bottom-color:var(--rose);}
.breadcrumb .sep{color:#D7C7BC;}
.breadcrumb .current{
  color:var(--ink-soft);
  max-width:52vw;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  display:inline-block;
  vertical-align:bottom;
}
.article-wrap{padding:40px 0 80px;}
.article-main .cell{margin-bottom:26px;}
.article-head{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:36px 38px 30px;
  box-shadow:var(--shadow);
}
.article-head h1{
  font-size:34px;
  line-height:1.36;
  letter-spacing:.01em;
  margin:0 0 18px;
  word-break:break-word;
}
.article-lead{
  font-size:15px;
  color:var(--ink-soft);
  border-left:3px solid var(--orange);
  padding-left:16px;
  margin:0 0 22px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--muted);
  border-top:1px solid var(--line);
  padding-top:16px;
}
.article-figure{
  margin:0 0 26px;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-alt);
  box-shadow:var(--shadow);
}
.article-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.article-figure figcaption{
  font-size:13px;
  color:var(--muted);
  padding:10px 16px;
  background:var(--white);
  border-top:1px solid var(--line);
}
.keypoints{
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 30px;
  margin-bottom:26px;
}
.keypoints h2{font-size:18px;margin:0 0 14px;letter-spacing:.01em;}
.keypoints ul{list-style:none;margin:0;padding:0;}
.keypoints li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--ink-soft);
  margin-bottom:10px;
}
.keypoints li:last-child{margin-bottom:0;}
.keypoints li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--orange);
}
.article-body{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:40px 40px 46px;
  box-shadow:var(--shadow);
}
.article-content{
  max-width:720px;
  margin:0 auto;
  font-size:16px;
  line-height:1.8;
}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
  font-size:26px;
  line-height:1.45;
  margin:40px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--rose);
}
.article-content h3{font-size:20px;margin:30px 0 12px;}
.article-content p{margin:0 0 18px;}
.article-content a{color:var(--ink);border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;}
.article-content a:hover{color:var(--rose);border-bottom-color:var(--rose);}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:1.3em;}
.article-content li{margin-bottom:8px;}
.article-content ul li::marker{color:var(--rose);}
.article-content ol li::marker{color:var(--rose);font-weight:700;}
.article-content blockquote{
  margin:24px 0;
  padding:16px 22px;
  background:var(--bg-alt);
  border-left:3px solid var(--orange);
  border-radius:0 10px 10px 0;
  color:var(--ink-soft);
}
.article-content img{border:1px solid var(--line);border-radius:10px;margin:20px 0;width:100%;}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.article-content th{background:var(--bg-alt);font-weight:700;}
.article-content code{
  background:#F2EAE4;
  padding:2px 6px;
  border-radius:4px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:.92em;
}
.article-empty{
  text-align:center;
  padding:64px 20px;
  color:var(--ink-soft);
}
.article-empty p{font-size:16px;margin-bottom:22px;}
.article-end{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:34px;
  border-top:1px solid var(--line);
  padding-top:24px;
}
.article-end__note{font-size:13px;color:var(--muted);margin:0;flex:1 1 260px;}
/* 侧栏 */
.side-sticky{position:sticky;top:112px;}
.side-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 26px;
  box-shadow:var(--shadow);
  margin-bottom:20px;
}
.side-card h2{font-size:18px;margin:0 0 12px;}
.side-card p{font-size:14px;color:var(--ink-soft);margin:0 0 14px;}
.side-card p:last-child{margin-bottom:0;}
.dl-list{list-style:none;margin:0;padding:0;}
.dl-list li{margin-bottom:10px;}
.dl-list li:last-child{margin-bottom:0;}
.dl-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:10px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  background:var(--bg);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.dl-list a:hover{
  background:var(--rose);
  border-color:var(--rose);
  color:#fff;
  transform:translateY(-1px);
}
.dl-list a span{font-size:12px;font-weight:400;color:var(--muted);}
.dl-list a:hover span{color:rgba(255,255,255,.82);}
.side-tips{list-style:none;margin:0;padding:0;}
.side-tips li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--ink-soft);
  margin-bottom:10px;
}
.side-tips li:last-child{margin-bottom:0;}
.side-tips li::before{
  content:"";
  position:absolute;
  left:0;
  top:.74em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green);
}
/* 词条卡 */
.term-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.term-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  transition:box-shadow .18s ease,transform .18s ease;
}
.term-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.term-card h3{font-size:18px;margin:0 0 10px;letter-spacing:.01em;}
.term-card p{font-size:14px;color:var(--ink-soft);margin:0;}
/* 下载横条 */
.download-strip{
  background:var(--ink);
  color:#F3E8E2;
  border-radius:var(--radius);
  padding:34px 36px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  box-shadow:var(--shadow-lg);
}
.download-strip h2{color:#fff;font-size:22px;margin:0 0 10px;}
.download-strip p{margin:0;font-size:14px;color:#DCCCD3;}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px;}
.dl-btns .btn{padding:11px 22px;font-size:14px;}
.dl-btns .dl-btn{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.24);
  color:#F3E8E2;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  font-size:14px;
  font-weight:600;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.dl-btns .dl-btn:hover{background:var(--orange);border-color:var(--orange);color:var(--ink);transform:translateY(-1px);}
/* 保障区 */
.safety-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.safety-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px;
}
.safety-item h3{font-size:16px;margin:0 0 8px;display:flex;align-items:center;gap:9px;}
.safety-item h3::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--green);
  flex:0 0 auto;
}
.safety-item p{font-size:14px;color:var(--ink-soft);margin:0;}
/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F3E8E2;padding:64px 0 0;}
.site-footer h4{color:#fff;font-size:16px;margin:0 0 14px;font-weight:700;}
.site-footer p{color:#DCCCD3;font-size:14px;margin:0 0 14px;}
.footer-brand__name{display:block;font-size:24px;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:.02em;}
.footer-links{list-style:none;margin:0 0 24px;padding:0;}
.footer-links li{margin-bottom:8px;}
.footer-links a{color:#DCCCD3;font-size:14px;border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;}
.footer-links a:hover{color:#fff;border-bottom-color:var(--orange);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:#B9A5AE;
}
/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:12px;
    padding:8px;
    box-shadow:var(--shadow-lg);
    z-index:80;
  }
  .nav.is-open{display:flex;}
  .nav a{
    border-bottom:1px solid var(--line);
    padding:13px 14px;
    border-radius:8px;
    font-size:15px;
  }
  .nav a:first-child{padding-left:14px;}
  .nav a:last-child{border-bottom:0;}
  .nav a.is-active{background:var(--rose-soft);color:var(--rose);border-bottom-color:var(--line);}
  .nav .nav__dl{margin:8px 0 0;text-align:center;background:var(--rose);color:#fff;border-color:var(--rose);}
  .nav .nav__dl:hover{background:var(--rose-dark);color:#fff;}
  .term-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .side-sticky{position:static;}
  .section{padding:68px 0;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .brand__name{font-size:23px;}
  .brand__sub{font-size:12px;}
  .brand__sep{height:20px;}
  .masthead{padding:14px 0 12px;gap:14px;}
  .article-wrap{padding:28px 0 56px;}
  .article-head{padding:26px 22px 22px;}
  .article-head h1{font-size:26px;}
  .article-body{padding:28px 22px 32px;}
  .article-content h2{font-size:22px;margin:32px 0 14px;}
  .article-content h3{font-size:18px;}
  .section{padding:56px 0;}
  .section__title{font-size:22px;}
  .download-strip{padding:26px 22px;}
  .download-strip h2{font-size:19px;}
  .dl-btns{width:100%;}
  .dl-btns .dl-btn,
  .dl-btns .btn{flex:1 1 100%;justify-content:center;}
  .safety-grid{grid-template-columns:1fr;}
  .article-content table,
  .article-content thead,
  .article-content tbody,
  .article-content tr,
  .article-content th,
  .article-content td{display:block;width:100%;}
  .article-content thead{display:none;}
  .article-content tr{
    border:1px solid var(--line);
    border-radius:10px;
    margin-bottom:14px;
    padding:6px 14px;
    background:var(--bg);
  }
  .article-content td{border:0;padding:8px 0;border-bottom:1px dashed var(--line);}
  .article-content tr td:last-child{border-bottom:0;}
  .footer-bottom{margin-top:28px;}
  .breadcrumb .current{max-width:60vw;}
}
@media (max-width:520px){
  .brand__sub{display:none;}
  .brand__sep{display:none;}
  .brand__name{font-size:21px;}
  .topbar__note{font-size:11px;}
  .term-grid{grid-template-columns:1fr;}
  .article-head h1{font-size:23px;}
  .article-lead{font-size:14px;}
  .article-meta{font-size:12px;gap:10px;}
  .btn{width:100%;}
  .article-end{flex-direction:column;align-items:stretch;}
  .article-end .btn{width:100%;}
  .breadcrumb .current{max-width:52vw;}
}

/* roulang page: category1 */
:root{
  --rose:#E23E57;
  --rose-dark:#C7304A;
  --rose-soft:#FDE9EC;
  --orange:#F5A05D;
  --ink:#2B1B2E;
  --ink-soft:#5A4655;
  --green:#2E9E7E;
  --bg:#FBF6F1;
  --bg-alt:#F6EDE6;
  --white:#FFFFFF;
  --line:#EADFD5;
  --muted:#7A6B72;
  --container:1140px;
  --radius:14px;
  --shadow:0 8px 24px -16px rgba(43,27,46,.35);
  --shadow-lg:0 16px 34px -18px rgba(43,27,46,.42);
}
*,*::before,*::after{box-sizing:border-box;}
html,body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  -webkit-text-size-adjust:100%;
}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--rose);}
button{font-family:inherit;font-size:inherit;}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{outline:3px solid var(--orange);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 页头 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:8px 0;
  font-size:12px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
.topbar__note{letter-spacing:.04em;}
.topbar__link{
  font-size:12px;
  color:var(--ink-soft);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.topbar__link:hover{color:var(--rose);border-bottom-color:var(--rose);}
.masthead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:18px 0;
}
.brand{display:flex;align-items:center;gap:14px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__name{font-size:30px;font-weight:800;letter-spacing:.02em;line-height:1.1;}
.brand__sep{width:1px;height:26px;background:var(--line);display:block;}
.brand__sub{font-size:13px;color:var(--muted);letter-spacing:.05em;}
.nav{display:flex;align-items:center;flex-wrap:wrap;}
.nav a{
  position:relative;
  display:inline-block;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--ink);
  padding:6px 16px;
  border-bottom:3px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.nav a:first-child{padding-left:0;}
.nav a:hover{color:var(--rose);}
.nav a.is-active{color:var(--rose);border-bottom-color:var(--rose);}
.nav .nav__dl{
  color:var(--rose);
  border:1px solid var(--rose);
  border-radius:999px;
  padding:5px 18px;
  margin-left:8px;
  font-size:14px;
}
.nav .nav__dl:hover{background:var(--rose);color:#fff;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn--primary{
  background:var(--rose);
  color:#fff;
  box-shadow:0 10px 20px -14px rgba(226,62,87,.95);
}
.btn--primary:hover{background:var(--rose-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(199,48,74,.95);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{
  background:#fff;
  color:var(--rose);
  border-color:var(--rose);
}
.btn--ghost:hover{background:var(--rose-soft);color:var(--rose-dark);border-color:var(--rose-dark);}
.btn--download{
  background:var(--ink);
  color:#F3E8E2;
}
.btn--download:hover{background:#3C2642;color:#fff;transform:translateY(-1px);}
.btn--sm{min-height:40px;padding:9px 20px;font-size:14px;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--white{background:var(--white);}
.section--alt{background:var(--bg-alt);}
.section__head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--rose);
  background:var(--rose-soft);
  padding:4px 12px;
  border-radius:6px;
  margin-bottom:14px;
}
.section__title{font-size:26px;letter-spacing:.01em;margin:0 0 14px;line-height:1.4;}
.section__desc{font-size:15px;color:var(--ink-soft);max-width:760px;margin:0;}

/* ============ 分类头部条 ============ */
.cat-head{
  background:var(--white);
  border-bottom:1px solid var(--line);
  padding:40px 0 48px;
}
.cat-head__grid{
  display:grid;
  grid-template-columns:1fr 312px;
  gap:48px;
  align-items:start;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-size:13px;
  color:var(--muted);
  margin-bottom:16px;
}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;}
.breadcrumb a:hover{color:var(--rose);border-bottom-color:var(--rose);}
.breadcrumb .sep{color:#C9B8AE;}
.cat-head h1{
  font-size:36px;
  line-height:1.34;
  letter-spacing:.01em;
  margin:0 0 16px;
}
.cat-head__lead{
  font-size:15px;
  color:var(--ink-soft);
  max-width:660px;
  margin:0;
}
.cat-summary{
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow);
}
.cat-summary__title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--rose);
  margin:0 0 14px;
}
.cat-summary__row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.cat-summary__row:last-of-type{border-bottom:0;}
.cat-summary__num{
  font-size:26px;
  font-weight:800;
  color:var(--rose);
  line-height:1.1;
}
.cat-summary__label{font-size:13px;color:var(--ink-soft);}
.cat-summary__note{
  font-size:12px;
  color:var(--muted);
  line-height:1.7;
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px solid var(--line);
}

/* ============ 分类导读 ============ */
.intro__grid{
  display:grid;
  grid-template-columns:1fr 340px;
  gap:48px;
  align-items:start;
}
.intro__text p{font-size:15px;color:var(--ink-soft);margin:0 0 16px;}
.intro__text p:last-child{margin-bottom:0;}
.intro__figure{margin:22px 0 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.intro__figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.intro__figure figcaption{font-size:13px;color:var(--muted);padding:10px 14px;background:var(--white);border-top:1px solid var(--line);}
.toc-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}
.toc-card h3{font-size:15px;margin:0 0 14px;letter-spacing:.04em;}
.toc-card ul{list-style:none;margin:0;padding:0;}
.toc-card li{border-bottom:1px dashed var(--line);}
.toc-card li:last-child{border-bottom:0;}
.toc-card a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 0;
  font-size:14px;
  color:var(--ink-soft);
}
.toc-card a::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--orange);
  flex:0 0 6px;
}
.toc-card a:hover{color:var(--rose);}

/* ============ 词条卡列表 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.entry-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#DFCEC2;}
.entry-card__thumb{margin:0;background:var(--bg-alt);}
.entry-card__thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.entry-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.entry-card__index{
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--orange);
  margin-bottom:6px;
}
.entry-card h3{font-size:18px;line-height:1.5;margin:0 0 10px;}
.entry-card p{font-size:14px;color:var(--ink-soft);margin:0 0 16px;}
.entry-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag{
  display:inline-block;
  font-size:12px;
  color:var(--ink-soft);
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:6px;
  padding:3px 10px;
}

/* ============ 标签墙 ============ */
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:0;
  padding:0;
  list-style:none;
}
.tag-cloud a{
  display:inline-block;
  font-size:14px;
  color:var(--ink-soft);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 18px;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.tag-cloud a:hover{
  color:var(--rose);
  border-color:var(--rose);
  background:var(--rose-soft);
  transform:translateY(-1px);
}

/* ============ 词条口径说明 ============ */
.notes-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.note-item{
  background:var(--white);
  border:1px solid var(--line);
  border-left:3px solid var(--rose);
  border-radius:10px;
  padding:20px;
}
.note-item__icon{
  width:34px;height:34px;
  border-radius:8px;
  background:var(--rose-soft);
  color:var(--rose);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
  margin-bottom:12px;
}
.note-item h3{font-size:15px;margin:0 0 6px;}
.note-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.7;}

/* ============ 术语速查 ============ */
.glossary{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 40px;
  margin:0;
}
.glossary__item{
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.glossary__item dt{
  font-size:16px;
  font-weight:700;
  margin-bottom:6px;
  color:var(--ink);
}
.glossary__item dd{
  margin:0;
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.75;
}

/* ============ 常见误区答疑 ============ */
.faq-list{max-width:860px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.is-open{border-color:#E4D2C6;box-shadow:var(--shadow);}
.faq-item__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  background:transparent;
  border:0;
  padding:18px 22px;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  border-left:3px solid transparent;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.faq-item__q:hover{color:var(--rose);background:#FFFBF8;}
.faq-item.is-open .faq-item__q{border-left-color:var(--rose);color:var(--rose);}
.faq-item__sign{
  flex:0 0 22px;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--bg-alt);
  color:var(--ink-soft);
  font-size:14px;
  font-weight:700;
  line-height:22px;
  text-align:center;
  transition:background-color .18s ease,color .18s ease;
}
.faq-item.is-open .faq-item__sign{background:var(--rose);color:#fff;}
.faq-item__a{
  display:none;
  padding:0 22px 20px 25px;
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.8;
}
.faq-item.is-open .faq-item__a{display:block;}
.faq-item__a p{margin:0 0 10px;}
.faq-item__a p:last-child{margin-bottom:0;}

/* ============ 下载引导条 ============ */
.dlbar{
  background:var(--ink);
  border-radius:var(--radius);
  padding:28px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.dlbar__text{color:#F3E8E2;}
.dlbar__text h2{
  font-size:20px;
  margin:0 0 8px;
  color:#fff;
  line-height:1.4;
}
.dlbar__text p{
  margin:0;
  font-size:13px;
  color:#CDBAC4;
  line-height:1.7;
}
.dlbar__actions{display:flex;flex-wrap:wrap;gap:12px;}
.dlbar .btn--download{background:#3C2642;color:#F3E8E2;border-color:#553A5C;}
.dlbar .btn--download:hover{background:var(--rose);border-color:var(--rose);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#F3E8E2;
  padding:64px 0 28px;
  margin-top:0;
}
.site-footer h4{
  font-size:14px;
  letter-spacing:.08em;
  color:#fff;
  margin:0 0 16px;
}
.site-footer p{font-size:13px;color:#CDBAC4;line-height:1.75;margin:0 0 12px;}
.footer-brand__name{
  display:block;
  font-size:22px;
  font-weight:800;
  color:#fff;
  letter-spacing:.02em;
  margin-bottom:12px;
}
.footer-links{list-style:none;margin:0 0 8px;padding:0;}
.footer-links li{margin-bottom:8px;}
.footer-links a{font-size:13px;color:#CDBAC4;}
.footer-links a:hover{color:var(--orange);}
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid rgba(243,232,226,.16);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:#A9929E;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .cat-head__grid{grid-template-columns:1fr;gap:28px;}
  .cat-summary{max-width:480px;}
  .intro__grid{grid-template-columns:1fr;gap:28px;}
  .notes-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-head h1{font-size:32px;}
  .brand__name{font-size:26px;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .masthead{padding:14px 0;flex-wrap:wrap;}
  .nav-toggle{display:flex;}
  .nav{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:12px;
    padding:8px 6px 12px;
    margin-top:14px;
    box-shadow:var(--shadow-lg);
  }
  .nav.is-open{display:flex;}
  .nav a{
    padding:13px 12px;
    border-bottom:1px solid var(--line);
    border-left:3px solid transparent;
    font-size:15px;
  }
  .nav a:first-child{padding-left:12px;}
  .nav a.is-active{border-bottom-color:var(--line);border-left-color:var(--rose);}
  .nav .nav__dl{
    margin:12px 6px 0;
    border-radius:999px;
    text-align:center;
    border-bottom:1px solid var(--rose);
  }
  .brand__name{font-size:23px;}
  .brand__sub{font-size:11px;}
  .brand__sep{height:20px;}
  .cat-head{padding:26px 0 34px;}
  .cat-head h1{font-size:26px;line-height:1.4;}
  .cat-head__lead{font-size:14px;}
  .section__title{font-size:22px;}
  .entry-grid{grid-template-columns:1fr;gap:18px;}
  .notes-grid{grid-template-columns:1fr;}
  .glossary{grid-template-columns:1fr;}
  .dlbar{padding:24px 20px;gap:20px;}
  .dlbar__actions{width:100%;}
  .dlbar__actions .btn{flex:1 1 100%;}
  .btn{width:auto;}
  .faq-item__q{font-size:15px;padding:16px 18px;}
  .faq-item__a{padding:0 18px 18px 21px;}
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:479px){
  .brand__sub{display:none;}
  .brand__sep{display:none;}
  .cat-summary__num{font-size:22px;}
  .tag-cloud a{font-size:13px;padding:7px 14px;}
  .entry-card__body{padding:18px;}
  .btn{padding:12px 20px;font-size:14px;}
}