/* roulang page: index */
:root{
  --bg:#f6f4ec;
  --surface:#fffdf8;
  --ink:#1b2a27;
  --muted:#65756f;
  --line:#e3e0d5;
  --primary:#16796b;
  --primary-deep:#0d5a50;
  --accent:#e8a33d;
  --danger:#c05046;
  --dark:#15201d;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 10px 30px rgba(21,32,29,.08);
  --shadow-hover:0 18px 36px rgba(21,32,29,.13);
  --bs-primary-rgb:22,121,107;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --bs-btn-border-radius:.65rem;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:var(--bs-body-font-family);
  background:var(--bg);
  color:var(--ink);
  line-height:1.68;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
.container-xl{max-width:1240px}
.section{padding:84px 0}
.section--alt{background:var(--surface)}
.page-h2{
  font-size:clamp(1.5rem,2.8vw,2.15rem);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.01em;
  color:var(--ink);
}
.section-desc{
  color:var(--muted);
  max-width:760px;
  font-size:1rem;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--accent);
  border-radius:99px;
}
.btn{
  border-width:1px;
  padding:.55rem 1.15rem;
  border-radius:.65rem;
  font-weight:600;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:focus-visible,
.form-control:focus-visible,
.form-check-input:focus-visible{
  outline:3px solid rgba(232,163,61,.35);
  outline-offset:2px;
  box-shadow:none;
}
.btn-primary{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--primary-deep);
  border-color:var(--primary-deep);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow);
}
.btn-outline-primary{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary);
}
.btn-outline-primary:hover,.btn-outline-primary:focus{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}
.btn-accent{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.btn-accent:hover{
  background:#c9811e;
  border-color:#c9811e;
  color:#fff;
  transform:translateY(-1px);
}
.badge-primary{background:var(--primary);color:#fff}
.badge-accent{background:var(--accent);color:#1b2a27}
.badge-soft{
  background:rgba(22,121,107,.1);
  color:var(--primary-deep);
}
.bg-surface{background:var(--surface)}
.text-muted-c{color:var(--muted)}

/* ===== 导航栏 ===== */
.site-header{
  position:absolute;
  top:0;left:0;right:0;
  z-index:1030;
  background:transparent;
  transition:background .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  position:fixed;
  background:rgba(246,244,236,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line),0 8px 24px rgba(21,32,29,.04);
}
.site-header:not(.is-scrolled) .navbar{background:transparent}
.navbar{
  min-height:64px;
  padding-top:.55rem;
  padding-bottom:.55rem;
}
.navbar-brand{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.02em;
}
.navbar-brand .brand-91{
  background:var(--ink);
  color:#fff;
  font-weight:800;
  font-size:1.15rem;
  line-height:1;
  padding:6px 9px 5px;
  border-radius:var(--radius-sm);
  letter-spacing:-.03em;
}
.navbar-brand .brand-cn{
  font-size:1.15rem;
  color:var(--ink);
}
.site-header.is-scrolled .navbar-brand .brand-cn,
.site-header.is-scrolled .navbar-brand .brand-91{color:var(--ink)}
.navbar-brand .brand-dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--primary);
  display:inline-block;
  margin-left:2px;
}
.navbar-nav .nav-link{
  display:inline-block;
  position:relative;
  padding:.7rem .95rem;
  color:var(--ink);
  font-weight:600;
  font-size:.97rem;
  border-radius:.5rem;
  opacity:.88;
  transition:opacity .2s ease,background .2s ease,color .2s ease;
}
.navbar-nav .nav-link:hover,.navbar-nav .nav-link:focus{
  opacity:1;
  color:var(--primary-deep);
  background:rgba(255,255,255,.55);
}
.navbar-nav .nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:99px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link:focus::after,
.navbar-nav .nav-link.active::after{
  transform:scaleX(1);
}
.navbar-nav .nav-link.active{
  opacity:1;
  color:var(--primary);
}
.navbar-toggler{
  border:0;
  padding:8px 10px;
  border-radius:10px;
}
.navbar-toggler:focus{
  box-shadow:none;
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231b2a27' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:.5rem;
  margin-left:.75rem;
}

/* 初始透明时需要浅色Logo文字 */
.site-header:not(.is-scrolled) .navbar-nav .nav-link{color:#1b2a27}
.site-header:not(.is-scrolled) .navbar-brand{color:#1b2a27}
.site-header:not(.is-scrolled) .navbar-brand .brand-91{background:#1b2a27;color:#fff}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:
    linear-gradient(rgba(246,244,236,.25),rgba(246,244,236,.25)),
    var(--bg);
  overflow:hidden;
}
.hero:before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    repeating-linear-gradient(0deg,transparent 0 19px, rgba(22,121,107,.035) 19px 20px),
    repeating-linear-gradient(90deg,transparent 0 19px, rgba(22,121,107,.035) 19px 20px);
  pointer-events:none;
}
.hero .container-xl{
  position:relative;
  z-index:2;
  padding-top:118px;
  padding-bottom:74px;
}
.hero-content .hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border:1px solid rgba(22,121,107,.22);
  background:rgba(255,253,248,.75);
  border-radius:999px;
  color:var(--primary-deep);
  font-size:.86rem;
  font-weight:700;
}
.hero-content .pulse-dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 0 rgba(22,121,107,.5);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(22,121,107,.4)}
  70%{box-shadow:0 0 0 9px rgba(22,121,107,0)}
  100%{box-shadow:0 0 0 0 rgba(22,121,107,0)}
}
.hero h1{
  margin-top:22px;
  font-size:clamp(2.35rem,5vw,3.6rem);
  line-height:1.14;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
}
.hero h1 .hero-underline{
  position:relative;
  color:var(--primary-deep);
  white-space:nowrap;
}
.hero h1 .hero-underline svg{
  position:absolute;
  left:0;right:0;bottom:-3px;
  width:100%;height:10px;
}
.hero-lead{
  margin-top:22px;
  max-width:620px;
  font-size:1.08rem;
  color:var(--muted);
}
.hero-ctas{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem;
  margin-top:30px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin-top:32px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.hero-meta-item strong{
  display:block;
  font-size:1.1rem;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.hero-meta-item span{
  font-size:.8rem;
  color:var(--muted);
}
/* Hero 右侧 */
.hero-visual{
  position:relative;
  padding:10px 0 20px 25px;
}
.hero-img-frame{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--dark);
  min-height:430px;
  box-shadow:0 24px 48px rgba(21,32,29,.18);
}
.hero-img-frame img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.78;
}
.hero-img-frame .frame-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(155deg,rgba(13,90,80,.15) 0%,rgba(21,32,29,.35) 100%);
}
.hero-img-note{
  position:absolute;
  left:22px;right:22px;bottom:22px;
  z-index:3;
  color:#fff;
  font-size:.88rem;
  opacity:.9;
}
.live-card{
  position:absolute;
  z-index:4;
  background:rgba(255,253,248,.96);
  border-radius:var(--radius);
  padding:14px 18px;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  backdrop-filter:blur(4px);
}
.live-card--top{
  top:34px;right:-14px;
  min-width:158px;
}
.live-card--bottom{
  bottom:86px;left:-28px;
  min-width:216px;
}
.live-label{
  display:block;
  font-size:.74rem;
  font-weight:700;
  color:var(--muted);
  letter-spacing:.04em;
  margin-bottom:3px;
}
.live-card strong{
  font-size:1.6rem;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.live-card .live-status{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:.78rem;
  font-weight:700;
  color:var(--primary-deep);
  background:rgba(22,121,107,.1);
  border-radius:99px;
  padding:3px 8px;
}
.live-card .live-status small{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
}
.hero-mini-progress{
  position:absolute;
  left:22px;right:22px;bottom:96px;
  z-index:4;
  background:rgba(255,253,248,.92);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:13px 16px;
  box-shadow:var(--shadow);
}
.hero-mini-progress .d-flex{
  align-items:center;
  justify-content:space-between;
  font-size:.8rem;
  margin-bottom:7px;
}
.hero-mini-progress .progress{
  height:7px;
  border-radius:99px;
  background:rgba(21,32,29,.08);
}
.hero-mini-progress .progress-bar{
  background:var(--primary);
  border-radius:99px;
  width:85%;
}

/* ===== 指标看板 ===== */
.stats-panel{
  border-top:1px solid var(--line);
  background:var(--surface);
}
.stat-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  position:relative;
  padding:28px 22px 30px;
}
.stat-item + .stat-item::before{
  content:"";
  position:absolute;
  left:0;top:28px;bottom:36px;
  width:1px;
  background:var(--line);
}
.stat-tag{
  display:inline-block;
  font-size:.76rem;
  font-weight:700;
  color:var(--muted);
  letter-spacing:.05em;
  margin-bottom:6px;
}
.stat-value{
  display:flex;
  align-items:flex-end;
  gap:6px;
  font-size:2.25rem;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.05;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.stat-value .unit{
  font-size:.9rem;
  font-weight:700;
  color:var(--muted);
  margin-bottom:4px;
}
.stat-trend{
  display:inline-flex;
  align-items:center;
  gap:2px;
  margin-top:9px;
  font-size:.78rem;
  font-weight:700;
  color:var(--primary);
}
.stat-trend.is-accent{color:#b4771b}
.stat-trend svg{width:12px;height:12px}
.stat-progress{
  margin-top:13px;
  height:4px;
  background:rgba(21,32,29,.06);
  border-radius:99px;
  overflow:hidden;
}
.stat-progress span{
  display:block;
  height:100%;
  border-radius:99px;
  background:var(--primary);
}

/* ===== 频道矩阵 ===== */
.channel-card{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  position:relative;
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card::after{
  content:"";
  position:absolute;
  top:14px;right:14px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--primary);
  opacity:.9;
}
.channel-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(22,121,107,.45);
}
.ch-ic{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(22,121,107,.1);
  color:var(--primary-deep);
  margin-bottom:15px;
}
.ch-ic svg{width:22px;height:22px}
.channel-card h3{
  font-size:1.1rem;
  font-weight:800;
  margin-bottom:7px;
  color:var(--ink);
}
.channel-card .desc{
  color:var(--muted);
  font-size:.93rem;
  line-height:1.6;
  margin-bottom:16px;
}
.channel-card .ch-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:.78rem;
  color:var(--muted);
}
.channel-card .ch-foot .badge-soft{font-weight:700}
.channel-card .ch-go{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:var(--primary);
  font-weight:700;
  font-size:.85rem;
}
/* 大卡 */
.channel-card--lead{
  padding:0;
  display:flex;
  flex-direction:column;
  background:var(--surface);
  overflow:hidden;
  min-height:300px;
}
.channel-card--lead:hover{
  border-color:var(--primary);
}
.channel-card--lead .lead-inner{
  padding:26px 26px 23px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.channel-card--lead .lead-media{
  height:185px;
  margin-left:26px;
  margin-right:26px;
  border-radius:12px;
  overflow:hidden;
  background:var(--bg);
}
.channel-card--lead .lead-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.channel-card--lead .lead-media + .lead-foot{
}
.lead-foot{
  margin-top:auto;
  padding-top:14px;
}
.channel-card--lead .ch-foot{
  font-size:.82rem;
}
.channel-card--lead h3{
  font-size:1.45rem;
}
/* 小型矩阵卡，用左上条做视觉 */
.mini-card{
  position:relative;
  border-top:3px solid var(--primary);
}

/* ===== 对比区 ===== */
.compare-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:32px;
}
.compare-box{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
}
.compare-box--dark{
  background:var(--dark);
  border-color:var(--dark);
  color:#f6f4ec;
  position:relative;
}
.compare-box--dark .compare-title{
  color:#fff;
}
.compare-box--dark .compare-list li{
  color:#c8d6d0;
}
.compare-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:1.35rem;
  font-weight:800;
  margin-bottom:6px;
}
.compare-sub{
  color:var(--muted);
  font-size:.91rem;
  margin-bottom:22px;
}
.compare-box--dark .compare-sub{
  color:#9db3ab;
}
.compare-list{
  list-style:none;
}
.compare-list li{
  position:relative;
  padding:8px 0 8px 29px;
  border-bottom:1px dashed rgba(21,32,29,.1);
  font-size:.96rem;
  color:var(--ink);
}
.compare-box--dark .compare-list li{
  border-bottom-color:rgba(255,255,255,.1);
}
.compare-list li:last-child{border-bottom:0}
.compare-list li::before{
  content:"";
  position:absolute;
  left:3px;top:13px;
  width:17px;height:17px;
  border-radius:50%;
  background-repeat:no-repeat;
  background-position:center;
  background-size:10px;
}
.compare-list li.item-no::before{
  background-color:rgba(192,80,70,.12);
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%23c05046' d='M4.354 3.646a.5.5 0 0 0-.708.708L7.293 8l-3.647 3.646a.5.5 0 0 0 .708.708L8 8.707l3.646 3.647a.5.5 0 0 0 .708-.708L8.707 8l3.647-3.646a.5.5 0 0 0-.708-.708L8 7.293z'/%3e%3c/svg%3e");
}
.compare-list li.item-yes::before{
  background-color:rgba(22,121,107,.14);
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%2316796b' d='M10.97 4.97a.75.75 0 0 1 1.06 0l3.5 3.5a.75.75 0 0 1 0 1.06l-3.5 3.5a.75.75 0 1 1-1.06-1.06l2.25-2.25H.75a.75.75 0 0 1 0-1.5h12.47l-2.25-2.25a.75.75 0 0 1 0-1.06z'/%3e%3c/svg%3e");
}
.compare-bars{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 28px;
  margin-top:24px;
}
.bar-line{
  margin-bottom:17px;
}
.bar-line:last-child{margin-bottom:0}
.bar-label{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:.84rem;
  font-weight:600;
  margin-bottom:6px;
}
.bar-label .bar-name{color:var(--muted)}
.bar-label strong{
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.bar-track{
  height:8px;
  background:rgba(21,32,29,.06);
  border-radius:99px;
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:99px;
  background:var(--line);
}
.bar-fill.is-primary{background:var(--primary)}
.bar-fill.is-light{
  background:var(--muted);
  opacity:.35;
}

/* ===== FAQ ===== */
.faq-wrap{
  max-width:910px;
}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius) !important;
  margin-bottom:14px;
  overflow:hidden;
}
.accordion-item:first-of-type{
  border-radius:var(--radius) !important;
}
.accordion-button{
  all:unset;
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  padding:20px 22px;
  font-size:1rem;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
}
.accordion-button .q-icon{
  flex:0 0 30px;
  width:30px;height:30px;
  border-radius:9px;
  background:rgba(22,121,107,.1);
  color:var(--primary-deep);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:.82rem;
  font-weight:800;
}
.accordion-button::after{
  content:"";
  width:10px;height:10px;
  margin-left:auto;
  background:none;
  border-right:2px solid var(--primary);
  border-bottom:2px solid var(--primary);
  transform:rotate(45deg);
  transition:transform .2s ease;
  flex:0 0 10px;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
}
.accordion-button:hover .q-icon{
  background:var(--primary);
  color:#fff;
}
.accordion-body{
  padding:2px 22px 21px 66px;
  color:var(--muted);
  font-size:.95rem;
  background:var(--surface);
}
.accordion-body p{
  background:#faf8f2;
  border-radius:10px;
  padding:12px 16px;
  margin:0;
}
.cta-mini{
  background:var(--primary-deep);
  border-radius:var(--radius-lg);
  color:#fff;
  padding:24px 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}
.cta-mini .htxt{
  font-size:1.05rem;
  font-weight:700;
}
.cta-mini .htxt span{
  display:block;
  font-size:.83rem;
  color:#a8d5ca;
  font-weight:400;
  margin-top:2px;
}

/* ===== 转化表单 ===== */
.submit-section{
  background:
    linear-gradient(rgba(246,244,236,.94),rgba(246,244,236,.94)),
    url('/assets/images/backpic/back-3.jpg') center/cover;
}
.submit-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:30px;
}
.form-control{
  background:#fff;
  border:1px solid #d8d5c8;
  border-radius:10px;
  padding:.7rem .9rem;
  color:var(--ink);
}
.form-control:focus{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(22,121,107,.14);
  color:var(--ink);
}
.form-label{
  font-size:.86rem;
  font-weight:700;
  color:var(--ink);
  margin-bottom:.35rem;
}
.form-hint{
  font-size:.8rem;
  color:var(--muted);
  line-height:1.5;
}
.check-notes{
  display:flex;
  flex-direction:column;
  gap:11px;
  margin:24px 0;
}
.check-notes li{
  position:relative;
  padding-left:26px;
  color:var(--muted);
  font-size:.88rem;
  list-style:none;
}
.check-notes li::before{
  content:"";
  position:absolute;
  left:0;top:2px;
  width:18px;height:18px;
  border-radius:50%;
  background-position:center;
  background-size:10px;
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%2316796b' d='M10.97 4.97a.75.75 0 0 1 1.06 0l3.5 3.5a.75.75 0 0 1 0 1.06l-3.5 3.5a.75.75 0 1 1-1.06-1.06l2.25-2.25H.75a.75.75 0 0 1 0-1.5h12.47l-2.25-2.25a.75.75 0 0 1 0-1.06z'/%3e%3c/svg%3e");
  background-repeat:no-repeat;
  background-color:rgba(22,121,107,.1);
}
.form-note{
  margin-top:10px;
  font-size:.78rem;
  color:var(--muted);
}
.form-feedback{
  border-radius:10px;
  margin-top:16px;
  padding:12px 15px;
  font-size:.9rem;
  font-weight:600;
  display:none;
}
.form-feedback.ok{
  display:block;
  background:rgba(22,121,107,.1);
  color:var(--primary-deep);
}
.form-feedback.err{
  display:block;
  background:rgba(192,80,70,.1);
  color:var(--danger);
}

/* ===== 页脚 ===== */
.footer{
  background:var(--dark);
  color:#aebcb6;
  padding-top:62px;
  padding-bottom:28px;
  font-size:.9rem;
}
.footer h4{
  color:#fff;
  font-size:.98rem;
  font-weight:800;
  margin-bottom:14px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:9px;
  color:#fff;
  font-size:1.2rem;
  font-weight:800;
  margin-bottom:16px;
}
.footer-brand .brand-91{
  background:#fff;
  color:var(--dark);
  border-radius:7px;
  padding:5px 8px;
  font-weight:800;
}
.footer a:hover{color:#fff}
.footer .site-links li,
.footer .help-links li{
  margin-bottom:8px;
  list-style:none;
}
.footer .site-links a,
.footer .help-links a{
  color:#aebcb6;
  transition:color .2s ease;
}
.footer-info{
  color:#aebcb6;
  line-height:1.8;
}
.footer .rule-text{
  font-size:.79rem;
  color:#7f938b;
  line-height:1.75;
  margin-bottom:0;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;
  margin-top:40px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:.82rem;
  color:#7f938b;
}

/* responsive */
@media (max-width: 1199.98px){
  .hero .container-xl{padding-top:108px}
  .hero-visual{padding-left:0}
  .live-card--top{right:4px}
  .live-card--bottom{left:-4px}
}
@media (max-width: 991.98px){
  .section{padding:60px 0}
  .site-header:not(.is-scrolled){
    background:rgba(246,244,236,.82);
    backdrop-filter:blur(10px);
  }
  .navbar-collapse{
    background:var(--surface);
    border-radius:14px;
    box-shadow:var(--shadow);
    border:1px solid var(--line);
    padding:16px;
    margin-top:9px;
  }
  .navbar-nav .nav-link{
    padding:.55rem .7rem;
  }
  .nav-actions{
    margin-left:0;
    margin-top:10px;
    padding-left:0;
  }
  .hero .container-xl{
    padding-top:90px;
    padding-bottom:54px;
  }
  .hero-visual{
    margin-top:26px;
  }
  .stat-list{
    grid-template-columns:1fr 1fr;
    gap:0;
  }
  .stat-item{
    padding:22px 16px;
  }
  .stat-item:nth-child(3)::before{
    display:none;
  }
  .compare-wrap{
    grid-template-columns:1fr;
  }
}
@media (max-width: 575.98px){
  .section{padding:50px 0}
  .hero h1{
    font-size:clamp(2rem,7.5vw,2.8rem);
  }
  .hero-lead{
    font-size:.95rem;
  }
  .hero-img-frame{
    min-height:320px;
  }
  .live-card--bottom{
    left:12px;
  }
  .live-card--top{
    right:12px;
  }
  .hero-mini-progress{
    left:14px;right:14px;
    bottom:74px;
  }
  .live-card--bottom{bottom:72px}
  .hero-meta{
    gap:14px 22px;
  }
  .stat-value{
    font-size:1.7rem;
  }
  .compare-box,.compare-bars,.submit-card{
    padding:20px 16px;
  }
  .accordion-body{
    padding:2px 16px 18px 18px;
  }
  .accordion-button{
    padding:16px 14px;
  }
  .cta-mini{
    padding:18px 16px;
  }
  .navbar-brand .brand-91{
    font-size:1rem;
    padding:5px 8px;
  }
  .navbar-brand .brand-cn{
    font-size:1rem;
  }
  .navbar .container-xl{
    padding-left:.75rem;
    padding-right:.75rem;
  }
}

/* roulang page: category1 */
:root {
            --bg: #f6f4ec;
            --surface: #fffdf8;
            --ink: #1b2a27;
            --muted: #65756f;
            --line: #e3e0d5;
            --primary: #16796b;
            --primary-deep: #0d5a50;
            --accent: #e8a33d;
            --danger: #c05046;
            --dark: #15201d;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow: 0 10px 30px rgba(21, 32, 29, .08);
            --shadow-hover: 0 18px 36px rgba(21, 32, 29, .13);
            --bs-primary-rgb: 22, 121, 107;
            --bs-body-bg: var(--bg);
            --bs-body-color: var(--ink);
            --bs-border-color: var(--line);
            --bs-body-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --bs-btn-border-radius: .65rem;
        }

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

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

        button {
            font: inherit;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            font-family: var(--bs-body-font-family);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.68;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

        .container-xl {
            max-width: 1280px;
        }

        .section {
            padding: 84px 0;
        }

        .section--alt {
            background: var(--surface);
        }

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

        .text-muted-c {
            color: var(--muted);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .08em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 99px;
        }

        .btn {
            border-width: 1px;
            padding: .55rem 1.15rem;
            border-radius: .65rem;
            font-weight: 600;
            transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        .btn:focus-visible,
        .form-control:focus-visible,
        .form-check-input:focus-visible {
            outline: 3px solid rgba(232, 163, 61, .35);
            outline-offset: 2px;
            box-shadow: none;
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

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

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: var(--shadow);
        }

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

        .btn-accent:hover {
            background: #c9811e;
            border-color: #c9811e;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(246, 244, 236, .7);
            color: #f6f4ec;
        }

        .btn-outline-light:hover {
            background: #f6f4ec;
            border-color: #f6f4ec;
            color: var(--dark);
        }

        .badge-soft {
            background: rgba(22, 121, 107, .1);
            color: var(--primary-deep);
            font-weight: 600;
        }

        .badge-accent {
            background: var(--accent);
            color: #1b2a27;
        }

        .badge-warn {
            background: rgba(192, 80, 70, .1);
            color: var(--danger);
            font-weight: 600;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: transparent;
            transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
        }

        .site-header.is-scrolled {
            position: fixed;
            background: rgba(246, 244, 236, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(21, 32, 29, .04);
        }

        .navbar {
            min-height: 64px;
            padding-top: .55rem;
            padding-bottom: .55rem;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.02em;
        }

        .navbar-brand .brand-91 {
            background: var(--ink);
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            line-height: 1;
            padding: 6px 9px 5px;
            border-radius: var(--radius-sm);
            letter-spacing: -.03em;
        }

        .navbar-brand .brand-cn {
            font-size: 1.15rem;
            color: var(--ink);
        }

        .navbar-brand .brand-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            margin-left: 2px;
        }

        .navbar-nav .nav-link {
            display: inline-block;
            position: relative;
            padding: .7rem .95rem;
            color: var(--ink);
            font-weight: 600;
            font-size: .97rem;
            border-radius: .5rem;
            opacity: .85;
            transition: opacity .2s ease, background .2s ease, color .2s ease;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            opacity: 1;
            color: var(--primary-deep);
            background: rgba(255, 255, 255, .55);
        }

        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            border-radius: 99px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .2s ease;
        }

        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link:focus::after,
        .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        .navbar-nav .nav-link.active {
            opacity: 1;
            color: var(--primary);
        }

        .navbar-toggler {
            border: 0;
            padding: 8px 10px;
            border-radius: 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231b2a27' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: .5rem;
            margin-left: .75rem;
        }

        /* ===== 分类页 hero ===== */
        .category-hero {
            position: relative;
            overflow: hidden;
            padding-top: 112px;
            padding-bottom: 36px;
            background:
                linear-gradient(90deg, rgba(246, 244, 236, .94) 0%, rgba(246, 244, 236, .86) 52%, rgba(246, 244, 236, .78) 100%),
                url('/assets/images/backpic/back-2.jpg') center right / cover no-repeat;
            border-bottom: 1px solid var(--line);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                repeating-linear-gradient(0deg, transparent 0 19px, rgba(22, 121, 107, .035) 19px 20px),
                repeating-linear-gradient(90deg, transparent 0 19px, rgba(22, 121, 107, .035) 19px 20px);
            pointer-events: none;
        }

        .category-hero .container-xl {
            position: relative;
            z-index: 2;
        }

        .category-hero .breadcrumb {
            margin-bottom: 12px;
            font-size: .82rem;
        }

        .category-hero .breadcrumb-item a {
            color: var(--muted);
            transition: color .2s;
        }

        .category-hero .breadcrumb-item a:hover {
            color: var(--primary);
        }

        .category-hero .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .category-hero h1 {
            font-size: clamp(1.9rem, 3.2vw, 3.05rem);
            line-height: 1.22;
            letter-spacing: -.02em;
            font-weight: 800;
            margin-top: 6px;
            margin-bottom: 12px;
        }

        .category-hero h1 .accent-text {
            color: var(--primary);
        }

        .category-hero .lead {
            color: #4c5c57;
            max-width: 650px;
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .hero-note {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .hero-note-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 13px;
            background: rgba(255, 253, 248, .78);
            border: 1px solid var(--line);
            border-radius: 99px;
            color: var(--ink);
            font-size: .85rem;
            font-weight: 600;
        }

        .hero-note-item i {
            color: var(--primary);
        }

        .category-hero .hero-panel {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .hero-panel .panel-img {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .hero-panel .panel-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-panel .panel-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(21, 32, 29, .38), transparent 60%);
        }

        .hero-panel .panel-caption {
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 14px;
            z-index: 2;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
        }

        .hero-panel .panel-stats {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 0;
            padding: 16px 8px;
            text-align: center;
        }

        .hero-panel .panel-stats .stat-item {
            padding: 6px 8px;
            border-right: 1px solid var(--line);
        }

        .hero-panel .panel-stats .stat-item:last-child {
            border-right: 0;
        }

        .hero-panel .panel-stats strong {
            display: block;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--ink);
            font-variant-numeric: tabular-nums;
            letter-spacing: -.01em;
        }

        .hero-panel .panel-stats span {
            font-size: .75rem;
            color: var(--muted);
        }

        .hero-panel .panel-stats .stat-item .stat-label {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 工具条 ===== */
        .list-toolbar {
            background: var(--bg);
            border-bottom: 1px solid var(--line);
            padding: 18px 0;
        }

        .list-toolbar .sort-group {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .list-toolbar .sort-label {
            color: var(--muted);
            font-size: .82rem;
            font-weight: 700;
            margin-right: 2px;
            letter-spacing: .04em;
        }

        .filter-pill {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border: 1px solid var(--line);
            background: var(--surface);
            color: var(--ink);
            border-radius: 99px;
            font-size: .85rem;
            font-weight: 600;
            transition: all .2s ease;
        }

        .filter-pill i {
            margin-right: 4px;
            font-size: .78rem;
            color: var(--primary);
        }

        .filter-pill:hover,
        .filter-pill:focus {
            border-color: var(--primary);
            color: var(--primary-deep);
            background: rgba(22, 121, 107, .05);
            outline: none;
        }

        .filter-pill.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .filter-pill.active i {
            color: #fff;
        }

        .list-count {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--muted);
            font-size: .86rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .list-count strong {
            color: var(--primary);
            font-weight: 800;
        }

        /* ===== 资源列表与侧栏 ===== */
        .software-layout {
            padding: 44px 0 56px;
        }

        .list-note {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 12px 16px;
            font-size: .9rem;
            color: var(--muted);
            margin-bottom: 16px;
        }

        .list-note i {
            color: var(--accent);
            font-size: 1.15rem;
        }

        .resource-item {
            position: relative;
            display: grid;
            grid-template-columns: 104px 1fr auto;
            gap: 18px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 16px;
            margin-bottom: 14px;
            transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
            align-items: center;
        }

        .resource-item:hover {
            border-color: rgba(22, 121, 107, .4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .resource-item:focus-within {
            outline: 2px solid rgba(232, 163, 61, .35);
            outline-offset: 2px;
        }

        .r-thumb {
            position: relative;
            height: 84px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--line);
            box-shadow: 0 4px 14px rgba(21, 32, 29, .08);
        }

        .r-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .25s ease;
        }

        .resource-item:hover .r-thumb img {
            transform: scale(1.04);
        }

        .r-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(155deg, rgba(22, 121, 107, .1), rgba(13, 90, 80, .47));
        }

        .r-thumb .r-short {
            position: absolute;
            z-index: 2;
            left: 10px;
            top: 10px;
            background: rgba(246, 244, 236, .9);
            color: var(--ink);
            font-size: .78rem;
            font-weight: 800;
            padding: 4px 8px;
            border-radius: 6px;
            letter-spacing: .02em;
        }

        .r-thumb .r-cat {
            position: absolute;
            z-index: 2;
            right: 8px;
            bottom: 8px;
            background: rgba(21, 32, 29, .78);
            color: #fff;
            font-size: .68rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 99px;
            backdrop-filter: blur(4px);
        }

        .r-title-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 10px;
            margin-bottom: 4px;
        }

        .r-title {
            font-size: 1.06rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.01em;
            margin: 0;
        }

        .r-title .r-version {
            color: var(--muted);
            font-weight: 600;
            font-size: .9rem;
            margin-left: 2px;
        }

        .r-status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: .75rem;
            padding: 3px 9px;
            border-radius: 99px;
        }

        .r-desc {
            color: #4a5a55;
            font-size: .89rem;
            line-height: 1.62;
            margin-bottom: 8px;
            max-width: 680px;
        }

        .r-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 16px;
            list-style: none;
            margin: 0;
            padding: 0;
            color: var(--muted);
            font-size: .79rem;
        }

        .r-meta li {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .r-meta i {
            color: var(--primary);
            font-size: .7rem;
        }

        .r-action {
            text-align: right;
            white-space: nowrap;
        }

        .r-action .btn {
            padding: .45rem 1rem;
            font-size: .85rem;
        }

        /* ===== 分页 ===== */
        .pagination {
            margin-top: 30px;
            justify-content: center;
            gap: 6px;
        }

        .pagination .page-link {
            border: 1px solid var(--line);
            background: var(--surface);
            color: var(--ink);
            min-width: 42px;
            text-align: center;
            font-weight: 700;
            border-radius: 9px !important;
            padding: .5rem .75rem;
            transition: all .2s ease;
        }

        .pagination .page-link:hover,
        .pagination .page-link:focus {
            background: rgba(22, 121, 107, .08);
            border-color: var(--primary);
            color: var(--primary);
            outline: none;
            box-shadow: none;
        }

        .pagination .page-item.active .page-link {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .pagination .page-item.disabled .page-link {
            opacity: .45;
            pointer-events: none;
        }

        /* ===== 侧栏 ===== */
        .sidebar-block {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 22px;
            margin-bottom: 20px;
        }

        .sidebar-block h3 {
            font-size: .95rem;
            font-weight: 800;
            letter-spacing: -.01em;
            margin-bottom: 16px;
            position: relative;
            padding-left: 14px;
        }

        .sidebar-block h3::before {
            content: "";
            position: absolute;
            left: 0;
            top: .2em;
            bottom: .2em;
            width: 3px;
            border-radius: 99px;
            background: var(--primary);
        }

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

        .tag-cloud a {
            display: inline-block;
            font-size: .8rem;
            padding: 4px 13px;
            border-radius: 99px;
            background: var(--bg);
            border: 1px solid var(--line);
            color: var(--muted);
            cursor: pointer;
            font-weight: 600;
            transition: all .2s ease;
        }

        .tag-cloud a:hover,
        .tag-cloud a:focus {
            border-color: var(--primary);
            color: var(--primary-deep);
            background: rgba(22, 121, 107, .06);
            outline: none;
        }

        .tag-cloud a.tag-active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .update-timeline {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .update-timeline li {
            position: relative;
            padding: 2px 0 16px 20px;
            border-left: 1px solid var(--line);
            margin-left: 6px;
            font-size: .86rem;
        }

        .update-timeline li:last-child {
            padding-bottom: 2px;
        }

        .update-timeline li::before {
            content: "";
            position: absolute;
            left: -5px;
            top: 10px;
            width: 9px;
            height: 9px;
            background: var(--surface);
            border: 2px solid var(--primary);
            border-radius: 50%;
        }

        .update-timeline li.danger-item::before {
            border-color: var(--danger);
        }

        .update-timeline .u-title {
            color: var(--ink);
            font-weight: 700;
            display: block;
        }

        .update-timeline .u-time {
            color: var(--muted);
            font-size: .76rem;
            display: block;
            margin-top: 2px;
        }

        .sidebar-recommend {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 150px;
            color: #fff;
            display: flex;
            align-items: flex-end;
            padding: 18px;
            background: var(--dark);
            border: 1px solid var(--dark);
        }

        .sidebar-recommend img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .55;
        }

        .sidebar-recommend::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(21, 32, 29, .92) 0%, rgba(21, 32, 29, .2) 100%);
        }

        .sidebar-recommend .reco-body {
            position: relative;
            z-index: 2;
        }

        .sidebar-recommend span {
            font-size: .75rem;
            color: #d7e2dc;
        }

        .sidebar-recommend strong {
            display: block;
            font-size: 1rem;
            margin: 2px 0 10px;
        }

        .sidebar-recommend .btn {
            font-size: .82rem;
            padding: .35rem .8rem;
        }

        /* ===== SEO 说明 ===== */
        .seo-note {
            background: var(--surface);
            border-top: 1px solid var(--line);
            padding: 56px 0 48px;
        }

        .seo-note .note-index {
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .12em;
            color: var(--primary);
            text-transform: uppercase;
        }

        .seo-note h2 {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -.01em;
            margin-top: 8px;
            line-height: 1.35;
        }

        .seo-note .seo-text {
            font-size: .94rem;
            color: #41514c;
        }

        .seo-note .seo-text p {
            margin-bottom: 16px;
        }

        .seo-note .seo-text strong {
            color: var(--ink);
        }

        .seo-rule-list {
            list-style: none;
            margin: 18px 0 0;
            padding: 0;
            border: 1px solid var(--line);
            border-left: 3px solid var(--primary);
            border-radius: 0 12px 12px 0;
            background: #faf8f2;
        }

        .seo-rule-list li {
            padding: 11px 16px;
            border-bottom: 1px solid var(--line);
            font-size: .89rem;
            color: #4a5a55;
        }

        .seo-rule-list li:last-child {
            border-bottom: 0;
        }

        .seo-rule-list li i {
            color: var(--primary);
            margin-right: 8px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
            padding: 64px 0 84px;
            border-top: 1px solid var(--line);
        }

        .faq-section .eyebrow {
            margin-bottom: 8px;
        }

        .faq-section h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.3rem);
            font-weight: 800;
            letter-spacing: -.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .faq-section .section-desc {
            color: var(--muted);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .accordion-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(22, 121, 107, .35);
            box-shadow: var(--shadow);
        }

        .accordion-button {
            background: var(--surface);
            color: var(--ink);
            font-weight: 700;
            font-size: .95rem;
            padding: 16px 18px;
            box-shadow: none;
            border-radius: 0;
            transition: background .2s ease, color .2s ease;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2316796b'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform .2s ease;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(22, 121, 107, .04);
            color: var(--primary-deep);
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(22, 121, 107, .3);
            outline-offset: -1px;
        }

        .accordion-button .q-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: var(--primary);
            color: #fff;
            border-radius: 6px;
            font-size: .75rem;
            font-weight: 800;
            margin-right: 10px;
            font-variant-numeric: tabular-nums;
        }

        .accordion-button:not(.collapsed) .q-mark {
            background: var(--primary-deep);
        }

        .accordion-body {
            background: #faf8f2;
            border-top: 1px solid var(--line);
            color: #495a55;
            font-size: .9rem;
            line-height: 1.72;
        }

        .accordion-body .faq-tip {
            background: rgba(22, 121, 107, .06);
            border: 1px solid rgba(22, 121, 107, .12);
            padding: 10px 12px;
            border-radius: 8px;
            margin-top: 10px;
            font-size: .86rem;
        }

        /* ===== CTA ===== */
        .cta-band {
            position: relative;
            color: #f6f4ec;
            padding: 72px 0;
            overflow: hidden;
            background:
                linear-gradient(115deg, rgba(21, 32, 29, .96), rgba(21, 32, 29, .74)),
                url('/assets/images/backpic/back-7.jpg') center / cover no-repeat;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(0deg, transparent 0 19px, rgba(255, 255, 255, .04) 19px 20px);
            pointer-events: none;
        }

        .cta-band .container-xl {
            position: relative;
            z-index: 2;
        }

        .cta-band h2 {
            font-size: clamp(1.8rem, 3vw, 2.8rem);
            font-weight: 800;
            letter-spacing: -.02em;
        }

        .cta-band .lead {
            color: #c0d0c9;
            max-width: 700px;
            font-size: 1rem;
        }

        .cta-band .btn {
            margin-right: 8px;
            margin-top: 8px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: #b9c6c0;
            padding: 58px 0 22px;
        }

        .footer a {
            color: #b9c6c0;
            transition: color .2s ease;
        }

        .footer a:hover,
        .footer a:focus {
            color: #fff;
            outline: none;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 1.5rem;
            color: #fff;
            font-weight: 800;
            letter-spacing: -.01em;
        }

        .footer-brand .brand-91 {
            background: var(--primary);
            color: #fff;
            font-size: 1.15rem;
            font-weight: 800;
            line-height: 1;
            padding: 5px 8px 4px;
            border-radius: 7px;
        }

        .footer-info {
            margin: 16px 0 0;
            color: #8fa49a;
            font-size: .88rem;
            line-height: 1.75;
            max-width: 420px;
        }

        .footer h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .footer .site-links,
        .footer .help-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer .site-links li,
        .footer .help-links li {
            margin-bottom: 9px;
            font-size: .87rem;
        }

        .rule-text {
            font-size: .8rem;
            line-height: 1.75;
            color: #8fa49a;
            margin: 0;
        }

        .footer-bottom {
            margin-top: 42px;
            padding-top: 18px;
            border-top: 1px solid rgba(246, 244, 236, .1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: .8rem;
            color: #7f958a;
        }

        /* ===== Modal 覆盖 ===== */
        .modal-content {
            border: 0;
            border-radius: var(--radius-lg);
            background: var(--surface);
            backdrop-filter: blur(8px);
        }

        .modal-header {
            border-bottom-color: var(--line);
            padding: 20px 22px 12px;
        }

        .modal-title {
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.01em;
        }

        .modal-title small {
            display: block;
            font-size: .78rem;
            color: var(--muted);
            font-weight: 600;
            margin-top: 3px;
        }

        .modal-header .btn-close {
            background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231b2a27'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center / 1em auto no-repeat;
            opacity: .6;
        }

        .modal-body {
            padding: 18px 22px 14px;
            color: #41514c;
            font-size: .92rem;
            line-height: 1.78;
        }

        .modal-meta {
            background: #faf8f2;
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 12px 14px;
            margin-top: 12px;
            font-size: .82rem;
            color: var(--muted);
            display: grid;
            gap: 5px;
        }

        .modal-footer {
            border-top: 1px solid var(--line);
            padding: 12px 18px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .resource-item {
                grid-template-columns: 90px 1fr auto;
                gap: 14px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                position: absolute;
                top: calc(100% + 4px);
                left: 12px;
                right: 12px;
                background: var(--surface);
                border: 1px solid var(--line);
                border-radius: var(--radius);
                padding: 16px;
                box-shadow: var(--shadow);
            }

            .navbar-collapse .navbar-nav {
                margin-bottom: 10px !important;
            }

            .nav-actions {
                margin-left: 0;
                padding-top: 10px;
                border-top: 1px solid var(--line);
            }

            .category-hero {
                padding-top: 100px;
            }

            .hero-panel {
                max-width: 520px;
            }

            .resource-item {
                grid-template-columns: 100px 1fr;
            }

            .r-action {
                grid-column: 2 / 3;
                text-align: left;
            }

            .software-layout {
                padding: 32px 0 46px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }

            .list-toolbar .list-count {
                margin-top: 12px;
            }

            .category-hero h1 {
                font-size: 1.72rem;
            }

            .hero-note-item {
                font-size: .78rem;
                padding: 5px 10px;
            }

            .hero-panel .panel-img {
                height: 190px;
            }

            .resource-item {
                grid-template-columns: 76px 1fr;
                padding: 12px;
                gap: 12px;
            }

            .r-thumb {
                height: 78px;
            }

            .r-cat {
                display: none;
            }

            .r-desc {
                font-size: .84rem;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            .r-meta {
                gap: 5px 9px;
                font-size: .74rem;
            }

            .r-action .btn {
                font-size: .8rem;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-nav .nav-link {
                padding: .65rem .6rem;
                font-size: .92rem;
            }

            .category-hero {
                padding-top: 90px;
                padding-bottom: 26px;
                background:
                    linear-gradient(rgba(246, 244, 236, .94), rgba(246, 244, 236, .9)),
                    url('/assets/images/backpic/back-2.jpg') center / cover no-repeat;
            }

            .category-hero h1 {
                font-size: 1.5rem;
                line-height: 1.35;
            }

            .category-hero .lead {
                font-size: .88rem;
            }

            .hero-note-item {
                padding: 4px 9px;
                font-size: .74rem;
            }

            .hero-panel {
                border-radius: 16px;
            }

            .hero-panel .panel-img {
                height: 160px;
            }

            .hero-panel .panel-stats {
                padding: 10px 0;
            }

            .hero-panel .panel-stats strong {
                font-size: 1.1rem;
            }

            .hero-panel .panel-stats span {
                font-size: .68rem;
            }

            .list-toolbar {
                padding: 14px 0;
            }

            .filter-pill {
                font-size: .78rem;
                padding: 4px 11px;
            }

            .list-toolbar .sort-group {
                gap: 6px;
            }

            .list-count {
                font-size: .78rem;
            }

            .resource-item {
                grid-template-columns: 1fr;
            }

            .r-thumb {
                height: 100px;
            }

            .r-short {
                display: none;
            }

            .r-action {
                grid-column: 1;
            }

            .r-action .btn {
                width: 100%;
            }

            .sidebar-block {
                padding: 18px;
            }

            .seo-note h2 {
                font-size: 1.35rem;
            }

            .cta-band {
                padding: 54px 0;
            }

            .cta-band .btn {
                display: block;
                width: 100%;
                margin: 8px 0 0;
            }

            .footer {
                padding-top: 42px;
            }
        }

        /* 排序链接通过 a 呈现时 */
        .filter-pill {
            text-decoration: none;
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}