/* roulang page: index */
:root{
  --bean:#E8A317;
  --bean-dark:#C9820C;
  --bean-light:#FDEFC9;
  --cinnabar:#E0522B;
  --cinnabar-dark:#C13F1B;
  --pea:#6F9A4E;
  --ink-panel:#2A1C12;
  --panel-text:#F6EEDF;
  --bg:#FBF5EA;
  --card:#FFFFFF;
  --surface:#F4EAD8;
  --line:#E6D9C4;
  --text:#241A12;
  --text-2:#4A3A2C;
  --text-3:#857466;
  --star:#F2B705;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-pill:999px;
  --radius-input:10px;
  --shadow-1:0 2px 0 rgba(60,40,20,.06);
  --shadow-2:0 6px 18px rgba(60,40,20,.10);
  --shadow-3:0 10px 24px rgba(60,40,20,.12);
  --section-gap:88px;
  --sticky-h:0px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--bean);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.2px}
.section{padding:var(--section-gap) 0}
.section--tight{padding-top:0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{
  position:relative;
  font-size:32px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.4px;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:4px;height:26px;
  border-radius:2px;
  background:var(--bean);
}
.section-head p{
  color:var(--text-3);
  font-size:14px;
  max-width:460px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  letter-spacing:.4px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--bean);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--cinnabar);color:#fff;box-shadow:0 6px 16px rgba(224,82,43,.22)}
.btn--primary:hover{background:var(--cinnabar-dark);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--ink-panel)}
.btn--ghost:hover{background:var(--surface)}
.btn--brand{background:var(--bean);color:var(--ink-panel)}
.btn--brand:hover{background:var(--bean-dark);color:#fff}
.btn--on-dark{background:transparent;color:var(--panel-text);border-color:rgba(246,238,223,.5)}
.btn--on-dark:hover{background:rgba(246,238,223,.12);border-color:var(--bean)}
.btn--sm{min-height:38px;padding:0 14px;font-size:13.5px}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  border-bottom:3px solid var(--bean);
  padding-bottom:2px;
  transition:border-color .18s ease,color .18s ease;
}
.link-arrow:hover{color:var(--bean-dark);border-bottom-color:var(--bean-dark)}

/* ============ 导航 ============ */
.site-header{
  background:rgba(251,245,234,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:50;
}
.top-bar{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.3px;
  flex-shrink:0;
}
.brand-dot{
  width:28px;height:28px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#F7C455,#E8A317 62%,#C9820C);
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.12);
  flex-shrink:0;
}
.search-form{
  flex:1;
  max-width:320px;
  position:relative;
}
.search-form input{
  width:100%;
  height:40px;
  padding:0 14px 0 38px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  font-size:14px;
  color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{
  outline:none;
  border-color:var(--bean);
  box-shadow:0 0 0 3px rgba(232,163,23,.16);
}
.search-form::before{
  content:"⌕";
  position:absolute;
  left:13px;top:50%;
  transform:translateY(-52%);
  font-size:18px;
  color:var(--text-3);
  pointer-events:none;
}
.top-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex-shrink:0;
}
.login-link{
  font-size:14.5px;
  font-weight:600;
  padding:8px 4px;
  color:var(--text-2);
  transition:color .18s ease;
}
.login-link:hover{color:var(--bean-dark)}
.channel-bar-wrap{
  border-top:1px solid var(--line);
  background:rgba(251,245,234,.96);
}
.channel-bar{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  scroll-snap-type:x proximity;
  padding-bottom:0;
}
.channel-bar::-webkit-scrollbar{display:none}
.channel-tab{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:36px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  scroll-snap-align:start;
  transition:background .18s ease,color .18s ease;
}
.channel-tab:hover{background:var(--bean-light);color:var(--ink-panel)}
.channel-tab.is-active{background:var(--bean);color:var(--ink-panel)}
.channel-tab.is-active::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--ink-panel);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(42,28,18,.72),rgba(42,28,18,.62)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.10;
  pointer-events:none;
}
.hero .container{position:relative}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:var(--radius-pill);
  background:var(--bean-light);
  color:var(--bean-dark);
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
  margin-bottom:20px;
}
.hero h1{
  font-size:44px;
  line-height:1.18;
  font-weight:800;
  letter-spacing:-1px;
  margin-bottom:20px;
}
.hero h1 strong{
  position:relative;
  color:inherit;
  font-weight:800;
  white-space:nowrap;
}
.hero h1 strong::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-6px;
  height:4px;
  border-radius:2px;
  background:var(--bean);
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  margin-bottom:30px;
  max-width:480px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:34px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px 32px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-fact{display:flex;flex-direction:column;gap:2px}
.hero-fact span:first-child{
  font-size:13px;
  color:var(--text-3);
}
.hero-fact span:last-child{
  font-size:15px;
  font-weight:700;
  color:var(--text);
}
.hero-visual{
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
  min-height:440px;
}
.hero-blob{
  position:absolute;
  width:330px;height:330px;
  border-radius:50%;
  background:radial-gradient(circle at 34% 28%,rgba(232,163,23,.42),rgba(232,163,23,.06) 70%);
  filter:blur(2px);
}
.phone-frame{
  position:relative;
  width:262px;
  padding:10px;
  border-radius:34px;
  background:var(--ink-panel);
  box-shadow:0 24px 50px rgba(60,40,20,.28);
}
.phone-screen{
  position:relative;
  border-radius:26px;
  overflow:hidden;
  aspect-ratio:9/18.5;
  background:linear-gradient(150deg,#FDEFC9,#E8A317 60%,#C9820C);
}
.phone-screen img{
  width:100%;height:100%;
  object-fit:cover;
}
.phone-notch{
  position:absolute;
  top:8px;left:50%;
  transform:translateX(-50%);
  width:76px;height:6px;
  border-radius:999px;
  background:rgba(42,28,18,.55);
  z-index:2;
}
.hero-badge{
  position:absolute;
  right:6px;bottom:34px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow-2);
  padding:12px 16px;
  display:flex;
  align-items:center;
  gap:10px;
}
.hero-badge .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--pea);
  flex-shrink:0;
}
.hero-badge b{display:block;font-size:13.5px;font-weight:700}
.hero-badge small{font-size:12px;color:var(--text-3)}

/* ============ 下载带 ============ */
.download-band{
  position:relative;
  color:var(--panel-text);
  overflow:hidden;
  border-radius:0;
}
.download-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(42,28,18,.90),rgba(42,28,18,.86)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.download-inner{
  position:relative;
  padding:56px 0;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:44px;
  align-items:center;
}
.download-band h2{
  font-size:26px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:10px;
}
.download-band .sub{
  font-size:14.5px;
  color:rgba(246,238,223,.72);
  margin-bottom:26px;
}
.platform-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.platform-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:52px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(246,238,223,.28);
  background:rgba(246,238,223,.06);
  color:var(--panel-text);
  font-size:15px;
  font-weight:700;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.platform-btn:hover{background:rgba(232,163,23,.22);border-color:var(--bean);transform:translateY(-1px)}
.platform-btn .tag{
  font-size:11.5px;
  font-weight:600;
  color:var(--ink-panel);
  background:var(--bean);
  border-radius:var(--radius-pill);
  padding:1px 8px;
}
.download-meta{
  margin-top:18px;
  font-size:12.5px;
  color:rgba(246,238,223,.62);
  display:flex;
  flex-wrap:wrap;
  gap:6px 18px;
}
.qr-box{
  justify-self:end;
  text-align:center;
  background:rgba(246,238,223,.07);
  border:1px solid rgba(246,238,223,.2);
  border-radius:var(--radius-card);
  padding:18px;
}
.qr-code{
  width:132px;height:132px;
  margin:0 auto 12px;
  border-radius:10px;
  background:
    repeating-linear-gradient(90deg,rgba(42,28,18,.92) 0 6px,transparent 6px 12px),
    repeating-linear-gradient(0deg,rgba(42,28,18,.92) 0 6px,transparent 6px 12px),
    linear-gradient(150deg,#FDEFC9,#E8A317);
  border:6px solid #FBF5EA;
}
.qr-box p{font-size:12.5px;color:rgba(246,238,223,.72)}

/* ============ 价值区 ============ */
.value-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  grid-template-rows:auto auto;
  gap:24px;
}
.value-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.value-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(232,163,23,.4)}
.value-card--lead{
  grid-row:span 2;
  justify-content:space-between;
  background:linear-gradient(180deg,#fff, #FFFBF1);
}
.value-num{
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  color:var(--bean-dark);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.value-num::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--bean);
}
.value-card h3{font-size:22px;line-height:1.4;font-weight:700}
.value-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.value-figure{
  margin-top:16px;
  border-radius:10px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:linear-gradient(150deg,#FDEFC9,#E8A317 70%);
}
.value-figure img{width:100%;height:100%;object-fit:cover}

/* ============ 截图轮播 ============ */
.gallery-panel{
  position:relative;
  background:var(--ink-panel);
  border-radius:20px;
  padding:40px 0 32px;
  overflow:hidden;
}
.gallery-panel::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(42,28,18,.86),rgba(42,28,18,.92)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
}
.gallery-inner{position:relative;padding:0 24px}
.gallery-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.gallery-head h2{
  color:var(--panel-text);
  font-size:28px;
  font-weight:700;
  position:relative;
  padding-left:16px;
}
.gallery-head h2::before{
  content:"";
  position:absolute;left:0;top:50%;
  transform:translateY(-50%);
  width:4px;height:24px;border-radius:2px;
  background:var(--bean);
}
.gallery-nav{display:flex;gap:10px}
.round-btn{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid rgba(246,238,223,.4);
  background:transparent;
  color:var(--panel-text);
  font-size:18px;
  line-height:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background .18s ease,border-color .18s ease;
}
.round-btn:hover{background:rgba(232,163,23,.24);border-color:var(--bean)}
.gallery-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  padding-bottom:14px;
  -webkit-overflow-scrolling:touch;
}
.gallery-track::-webkit-scrollbar{display:none}
.shot{
  flex:0 0 calc((100% - 40px)/3);
  scroll-snap-align:start;
  background:rgba(246,238,223,.06);
  border:1px solid rgba(246,238,223,.16);
  border-radius:14px;
  padding:14px;
  transition:border-color .18s ease,background .18s ease;
}
.shot:hover{background:rgba(246,238,223,.1);border-color:rgba(232,163,23,.55)}
.shot-img{
  border-radius:10px;
  overflow:hidden;
  aspect-ratio:9/15;
  background:linear-gradient(150deg,#FDEFC9,#E8A317 65%,#C9820C);
  margin-bottom:14px;
}
.shot-img img{width:100%;height:100%;object-fit:cover}
.shot h4{color:var(--panel-text);font-size:16px;font-weight:700;margin-bottom:6px}
.shot p{color:rgba(246,238,223,.66);font-size:13px;line-height:1.7}
.dots{
  display:flex;
  gap:8px;
  justify-content:center;
  margin-top:22px;
}
.dots button{
  width:8px;height:8px;
  border-radius:var(--radius-pill);
  border:none;
  background:rgba(246,238,223,.3);
  padding:0;
  transition:width .18s ease,background .18s ease;
}
.dots button.is-active{width:26px;background:var(--bean)}

/* ============ 系统要求 ============ */
.spec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.spec-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(232,163,23,.4)}
.spec-card .head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.spec-card .head i{
  width:9px;height:9px;
  border-radius:50%;
  background:var(--pea);
  display:inline-block;
}
.spec-card h3{font-size:19px;font-weight:700}
.spec-list{display:grid;gap:12px}
.spec-list div{
  display:flex;
  justify-content:space-between;
  gap:14px;
  font-size:13.5px;
  line-height:1.6;
}
.spec-list dt{color:var(--text-3);flex-shrink:0}
.spec-list dd{margin:0;text-align:right;color:var(--text);font-weight:600}

/* ============ 评价墙 ============ */
.rating-strip{
  display:flex;
  flex-wrap:wrap;
  gap:14px 40px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 26px;
  margin-bottom:28px;
}
.rating-strip .item{display:flex;align-items:center;gap:10px}
.rating-strip .big{
  font-family:var(--mono);
  font-size:26px;
  font-weight:800;
  color:var(--text);
}
.rating-strip small{font-size:12.5px;color:var(--text-3)}
.stars{color:var(--star);letter-spacing:2px;font-size:14px}
.review-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.review-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(232,163,23,.4)}
.review-card:nth-child(2){margin-top:18px}
.review-card:nth-child(5){margin-top:18px}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--bean);
  color:var(--ink-panel);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:16px;
  flex-shrink:0;
}
.review-top b{font-size:14.5px;display:block;line-height:1.4}
.review-top small{font-size:12px;color:var(--text-3)}
.review-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.review-date{display:block;margin-top:12px;font-size:12px;color:var(--text-3)}

/* ============ CMS 列表 ============ */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(232,163,23,.4)}
.post-cover{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(150deg,#FDEFC9,#E8A317 70%);
}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-cover img{transform:scale(1.04)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;line-height:1.45;font-weight:700}
.post-body h3 a{transition:color .18s ease}
.post-body h3 a:hover{color:var(--bean-dark)}
.post-body p{
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border-radius:var(--radius-pill);
  background:var(--bean-light);
  color:var(--bean-dark);
  font-size:12px;
  font-weight:700;
  line-height:1.6;
}
.pill--hot{background:var(--cinnabar);color:#fff}
.pill--pea{background:rgba(111,154,78,.16);color:#4F7233}
.empty-state{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  background:var(--card);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
}
.empty-dots{display:flex;justify-content:center;gap:8px;margin-bottom:16px}
.empty-dots i{width:10px;height:10px;border-radius:50%;background:var(--bean);display:block}
.empty-dots i:nth-child(2){opacity:.6}
.empty-dots i:nth-child(3){opacity:.3}
.empty-state p{font-size:14.5px;color:var(--text-3);margin-bottom:18px}

/* ============ FAQ ============ */
.faq-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  position:relative;
  transition:background .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FFFBF1}
.faq-item summary::after{
  content:"+";
  font-size:20px;
  font-weight:400;
  color:var(--bean-dark);
  transition:transform .2s ease,color .2s ease;
  flex-shrink:0;
  line-height:1;
}
.faq-item[open] summary{background:var(--bean-light);font-weight:700}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item[open] summary::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--bean);
}
.faq-answer{
  padding:0 24px 22px 24px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  color:var(--panel-text);
  overflow:hidden;
  border-radius:20px;
  padding:56px 48px;
  text-align:center;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(42,28,18,.90),rgba(42,28,18,.86)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.cta-inner{position:relative}
.cta-band h2{font-size:30px;font-weight:800;line-height:1.3;margin-bottom:12px}
.cta-band p{font-size:14.5px;color:rgba(246,238,223,.74);margin-bottom:28px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-panel);
  color:var(--panel-text);
  margin-top:var(--section-gap);
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  padding:64px 0 44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  margin-bottom:14px;
}
.footer-brand .brand-dot{width:26px;height:26px}
.footer-col p{font-size:13.5px;color:rgba(246,238,223,.66);line-height:1.9;max-width:280px}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  letter-spacing:.6px;
  margin-bottom:16px;
  color:var(--bean);
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:13.5px;
  color:rgba(246,238,223,.74);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--bean)}
.footer-note{
  font-size:12.5px;
  color:rgba(246,238,223,.5);
  line-height:1.8;
  margin-top:10px;
}
.footer-bottom{
  border-top:1px solid rgba(246,238,223,.16);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12.5px;
  color:rgba(246,238,223,.55);
}
.footer-banner{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  margin:0 auto 40px;
  max-width:1132px;
  padding:34px 32px;
  color:var(--panel-text);
}
.footer-banner::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(42,28,18,.82),rgba(42,28,18,.78)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.footer-banner-inner{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.footer-banner h3{font-size:20px;font-weight:700}
.footer-banner p{font-size:13.5px;color:rgba(246,238,223,.72)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--section-gap:64px}
  .container{padding:0 20px}
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:36px}
  .hero-visual{min-height:380px}
  .download-inner{grid-template-columns:1fr;gap:32px}
  .qr-box{justify-self:start}
  .value-grid{grid-template-columns:1fr 1fr}
  .value-card--lead{grid-row:auto;grid-column:1/-1}
  .spec-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .review-card:nth-child(2),.review-card:nth-child(5){margin-top:0}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .shot{flex:0 0 calc((100% - 20px)/2)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .search-form{max-width:260px}
}
@media (max-width:640px){
  :root{--section-gap:48px}
  .container{padding:0 16px}
  body{font-size:15.5px;line-height:1.8}
  .search-form{display:none}
  .top-bar{height:56px;gap:12px}
  .brand{font-size:17px}
  .login-link{display:none}
  .channel-bar-wrap{
    position:sticky;
    top:0;
    z-index:60;
    background:linear-gradient(180deg,#FBF5EA 70%,rgba(251,245,234,.96));
    border-bottom:1px solid var(--line);
  }
  :root{--sticky-h:52px}
  .channel-bar{height:52px;gap:6px}
  .channel-tab{height:34px;padding:0 14px;font-size:13.5px}
  .hero{padding:36px 0 44px}
  .hero h1{font-size:30px;line-height:1.28;letter-spacing:-.5px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-facts{gap:10px 22px}
  .phone-frame{width:224px}
  .hero-visual{min-height:330px}
  .hero-badge{right:-4px;bottom:12px;padding:10px 12px}
  .download-inner{padding:40px 0}
  .download-band h2{font-size:22px}
  .platform-btn{width:100%;justify-content:center}
  .value-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .gallery-head h2{font-size:22px}
  .gallery-inner{padding:0 16px}
  .shot{flex:0 0 78%}
  .review-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .spec-grid{gap:16px}
  .rating-strip{padding:16px 18px;gap:12px 24px}
  .cta-band{padding:40px 22px;border-radius:16px}
  .cta-band h2{font-size:23px}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
  .footer-col--brand{grid-column:1/-1}
  .footer-banner{margin:0 16px 32px;padding:26px 20px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-answer{padding:0 18px 18px 18px}
  .spec-list div{font-size:13px}
}
@media (min-width:1440px){
  .container{padding:0 32px}
}

/* roulang page: article */
:root{
  --dou-yellow:#E8A317;
  --dou-yellow-dark:#C9820C;
  --dou-yellow-soft:#FDEFC9;
  --cinnabar:#E0522B;
  --cinnabar-dark:#C13F1B;
  --pea-green:#6F9A4E;
  --ink-brown:#2A1C12;
  --ink-on-dark:#F6EEDF;
  --bg-warm:#FBF5EA;
  --card-white:#FFFFFF;
  --surface-2:#F4EAD8;
  --line:#E6D9C4;
  --text-ink:#241A12;
  --text-sub:#4A3A2C;
  --text-weak:#857466;
  --star:#F2B705;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-img:10px;
  --radius-pill:999px;
  --shadow-card:0 2px 0 rgba(60,40,20,.06);
  --shadow-card-hover:0 10px 24px rgba(60,40,20,.12);
  --shadow-soft:0 6px 18px rgba(60,40,20,.10);
  --space-section:88px;
  --container:1180px;
  --channel-sticky-h:52px;
  --font-base:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"PingFang SC",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--text-ink);
  background:var(--bg-warm);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--dou-yellow);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.dot-sep{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--dou-yellow);vertical-align:middle;margin:0 10px;}

/* ============ 双层导航 ============ */
.site-header{
  position:relative;
  z-index:60;
  background:var(--bg-warm);
  border-bottom:1px solid var(--line);
}
.top-bar{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--text-ink);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand:hover{color:var(--dou-yellow-dark);}
.brand-dot{
  width:28px;height:28px;border-radius:50%;
  background:
    radial-gradient(circle at 34% 32%,#FFF3D2 0 18%,transparent 19%),
    linear-gradient(145deg,var(--dou-yellow) 0%,var(--dou-yellow-dark) 100%);
  box-shadow:inset 0 -2px 0 rgba(60,40,20,.14);
  flex:0 0 auto;
}
.search-form{flex:1 1 auto;max-width:320px;}
.search-form input{
  width:100%;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--card-white);
  font-size:14px;
  color:var(--text-ink);
  -webkit-appearance:none;
  appearance:none;
}
.search-form input::placeholder{color:var(--text-weak);}
.search-form input:focus{
  outline:none;
  border-color:var(--dou-yellow);
  box-shadow:0 0 0 3px rgba(232,163,23,.18);
  background:#FFFCF3;
}
.top-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
  flex:0 0 auto;
}
.login-link{
  font-size:14.5px;
  color:var(--text-sub);
  padding:6px 2px;
  border-bottom:2px solid transparent;
}
.login-link:hover{color:var(--dou-yellow-dark);border-bottom-color:var(--dou-yellow);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn--primary{background:var(--cinnabar);color:#fff;box-shadow:0 2px 0 rgba(60,40,20,.10);}
.btn--primary:hover{background:var(--cinnabar-dark);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--outline{background:transparent;color:var(--ink-brown);border-color:var(--ink-brown);}
.btn--outline:hover{background:var(--surface-2);}
.btn--brand{background:var(--dou-yellow);color:var(--ink-brown);}
.btn--brand:hover{background:var(--dou-yellow-dark);color:#fff;transform:translateY(-1px);}
.btn--ghost-light{background:transparent;color:var(--ink-on-dark);border-color:rgba(246,238,223,.45);}
.btn--ghost-light:hover{background:rgba(246,238,223,.14);}
.channel-bar-wrap{
  background:var(--bg-warm);
  border-top:1px solid rgba(230,217,196,.7);
}
.channel-bar{
  display:flex;
  align-items:center;
  gap:8px;
  height:var(--channel-sticky-h);
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-snap-type:x proximity;
  padding-bottom:0;
}
.channel-bar::-webkit-scrollbar{display:none;}
.channel-tab{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:36px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--text-sub);
  scroll-snap-align:start;
  white-space:nowrap;
}
.channel-tab:hover{background:var(--dou-yellow-soft);color:var(--text-ink);}
.channel-tab.is-active{background:var(--dou-yellow);color:var(--ink-brown);font-weight:800;}
.channel-tab.is-active::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--ink-brown);
}

/* ============ 面包屑 ============ */
.crumb-bar{
  padding:22px 0 6px;
  font-size:13.5px;
  color:var(--text-weak);
}
.crumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.crumb-bar li{display:inline-flex;align-items:center;gap:6px;max-width:100%;}
.crumb-bar a{color:var(--text-sub);border-bottom:2px solid transparent;}
.crumb-bar a:hover{color:var(--dou-yellow-dark);border-bottom-color:var(--dou-yellow);}
.crumb-bar .crumb-current{
  color:var(--text-weak);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width:56vw;
}
.crumb-bar .crumb-divider{color:#C9B79C;}

/* ============ 文章头部 ============ */
.article-head{padding:18px 0 0;}
.article-head-inner{max-width:860px;margin:0 auto;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  background:var(--dou-yellow-soft);
  color:var(--dou-yellow-dark);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.pill--green{background:rgba(111,154,78,.14);color:#4F7134;}
.article-title{
  font-size:40px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.01em;
  margin:18px 0 0;
  color:var(--text-ink);
  word-break:break-word;
}
.article-title strong{
  font-weight:800;
  color:var(--text-ink);
  box-shadow:inset 0 -4px 0 var(--dou-yellow);
  padding-bottom:2px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0;
  margin-top:18px;
  font-size:13.5px;
  color:var(--text-weak);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:5px;}
.article-meta .meta-item b{color:var(--text-sub);font-weight:600;}

/* ============ 头图 ============ */
.hero-figure{
  max-width:900px;
  margin:28px auto 0;
}
.hero-figure .figure-frame{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,#F7DFA8 0%,#E8A317 55%,#C9820C 100%);
  aspect-ratio:16/9;
  position:relative;
}
.hero-figure .figure-frame::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(42,28,18,.16) 1.4px,transparent 1.5px);
  background-size:18px 18px;
  pointer-events:none;
}
.hero-figure img{
  width:100%;height:100%;
  object-fit:cover;
  position:relative;z-index:1;
}
.figcaption{
  display:block;
  margin-top:12px;
  font-size:13px;
  color:var(--text-weak);
  text-align:center;
  padding:0 6px;
}

/* ============ 正文区 ============ */
.article-body-wrap{padding:44px 0 var(--space-section);}
.article-body-inner{
  max-width:760px;
  margin:0 auto;
}
.article-content{
  font-size:16px;
  line-height:1.9;
  color:var(--text-sub);
}
.article-content > * + *{margin-top:20px;}
.article-content h2{
  position:relative;
  font-size:26px;
  line-height:1.4;
  font-weight:700;
  color:var(--text-ink);
  padding-left:16px;
  margin-top:38px;
  margin-bottom:16px;
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:4px;height:22px;
  border-radius:2px;
  background:var(--dou-yellow);
}
.article-content h3{
  font-size:20px;
  line-height:1.5;
  font-weight:700;
  color:var(--text-ink);
  margin-top:26px;
  margin-bottom:12px;
}
.article-content h4{
  font-size:17px;
  font-weight:600;
  color:var(--text-ink);
  margin-top:20px;
  margin-bottom:10px;
}
.article-content p{margin:0;color:var(--text-sub);}
.article-content strong{color:var(--text-ink);font-weight:700;}
.article-content a{
  color:var(--text-ink);
  font-weight:600;
  box-shadow:inset 0 -3px 0 var(--dou-yellow);
}
.article-content a:hover{color:var(--cinnabar);box-shadow:inset 0 -3px 0 var(--cinnabar);}
.article-content ul,
.article-content ol{margin:18px 0;padding-left:0;}
.article-content ul > li,
.article-content ol > li{
  position:relative;
  padding-left:22px;
  margin:10px 0;
  color:var(--text-sub);
  line-height:1.85;
}
.article-content ul > li::before{
  content:"";
  position:absolute;
  left:4px;top:.78em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--dou-yellow);
}
.article-content ol{counter-reset:art-ol;}
.article-content ol > li{counter-increment:art-ol;}
.article-content ol > li::before{
  content:counter(art-ol);
  position:absolute;
  left:0;top:.1em;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--dou-yellow-soft);
  color:var(--dou-yellow-dark);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.article-content blockquote{
  margin:24px 0;
  padding:16px 20px;
  background:var(--dou-yellow-soft);
  border-left:4px solid var(--dou-yellow);
  border-radius:0 10px 10px 0;
  color:var(--text-sub);
  font-size:15.5px;
}
.article-content blockquote p{margin:0;color:inherit;}
.article-content img{
  border-radius:var(--radius-img);
  margin:24px auto 8px;
  width:100%;
  object-fit:cover;
}
.article-content figure{margin:24px 0;}
.article-content figcaption{
  font-size:13px;
  color:var(--text-weak);
  text-align:center;
  margin-top:10px;
}
.article-content pre,
.article-content code{
  font-family:var(--font-mono);
  font-size:14px;
}
.article-content pre{
  background:var(--surface-2);
  border-radius:8px;
  padding:16px 18px;
  overflow-x:auto;
  border:1px solid var(--line);
  line-height:1.7;
}
.article-content code{
  background:var(--surface-2);
  padding:2px 6px;
  border-radius:6px;
  color:var(--cinnabar-dark);
}
.article-content pre code{background:none;padding:0;color:var(--text-ink);}
.article-content hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:32px 0;
}

/* 空态 */
.empty-article{
  background:var(--card-white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:48px 28px;
  text-align:center;
  box-shadow:var(--shadow-card);
}
.empty-dots{
  display:flex;
  justify-content:center;
  gap:8px;
  margin-bottom:18px;
}
.empty-dots span{
  width:10px;height:10px;border-radius:50%;
  background:var(--dou-yellow);
  opacity:.9;
}
.empty-dots span:nth-child(2){opacity:.6;transform:translateY(-4px);}
.empty-dots span:nth-child(3){opacity:.35;}
.empty-article h2{
  font-size:22px;
  font-weight:700;
  color:var(--text-ink);
  box-shadow:none;
  padding:0;
  margin:0 0 10px;
}
.empty-article h2::before{display:none;}
.empty-article p{font-size:15px;color:var(--text-weak);margin-bottom:22px;}

/* ============ 文末标签 ============ */
.article-tail{max-width:760px;margin:44px auto 0;}
.tail-label{
  font-size:13px;
  font-weight:700;
  color:var(--text-weak);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;}
.tag-chip{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--card-white);
  font-size:12.5px;
  font-weight:600;
  color:var(--text-sub);
}
.tag-chip:hover{border-color:var(--dou-yellow);background:var(--dou-yellow-soft);color:var(--dou-yellow-dark);}

/* ============ 下载小卡 ============ */
.dl-card{
  max-width:760px;
  margin:28px auto 0;
  display:flex;
  align-items:center;
  gap:24px;
  padding:22px 24px;
  background:var(--ink-brown);
  color:var(--ink-on-dark);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-soft);
  position:relative;
  overflow:hidden;
}
.dl-card::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(232,163,23,.22) 1.3px,transparent 1.4px);
  background-size:20px 20px;
  pointer-events:none;
}
.dl-card > *{position:relative;z-index:1;}
.dl-card-text{flex:1 1 auto;min-width:0;}
.dl-card-text h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
}
.dl-card-text p{
  font-size:13.5px;
  color:rgba(246,238,223,.72);
  line-height:1.6;
}
.dl-platforms{display:flex;flex-wrap:wrap;gap:10px;flex:0 0 auto;}
.dl-chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  min-width:76px;
  padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(246,238,223,.36);
  font-size:13.5px;
  font-weight:700;
  color:var(--ink-on-dark);
  background:rgba(246,238,223,.06);
}
.dl-chip:hover{background:var(--dou-yellow);color:var(--ink-brown);border-color:var(--dou-yellow);}
.dl-qr{
  flex:0 0 auto;
  width:72px;height:72px;
  border-radius:10px;
  background:
    repeating-linear-gradient(0deg,rgba(42,28,18,.85) 0 4px,transparent 4px 8px),
    repeating-linear-gradient(90deg,rgba(42,28,18,.85) 0 4px,transparent 4px 8px),
    #F6EEDF;
  border:3px solid #F6EEDF;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:10px;
  color:var(--ink-brown);
}
.dl-qr span{
  background:#F6EEDF;
  padding:1px 3px;
  border-radius:3px;
  font-weight:700;
  letter-spacing:.04em;
}

/* ============ 相关推荐 ============ */
.related-section{
  padding:0 0 var(--space-section);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  position:relative;
  font-size:28px;
  line-height:1.3;
  font-weight:700;
  padding-left:16px;
  color:var(--text-ink);
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.3em;
  width:4px;height:20px;
  border-radius:2px;
  background:var(--dou-yellow);
}
.section-head .head-link{
  font-size:14px;
  font-weight:700;
  color:var(--text-ink);
  box-shadow:inset 0 -3px 0 var(--dou-yellow);
  white-space:nowrap;
}
.section-head .head-link:hover{color:var(--cinnabar);box-shadow:inset 0 -3px 0 var(--cinnabar);}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card-white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(232,163,23,.4);
}
.card-thumb{
  position:relative;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,#F7DFA8 0%,#E8A317 55%,#C9820C 100%);
  overflow:hidden;
}
.card-thumb img{width:100%;height:100%;object-fit:cover;}
.card-thumb .thumb-badge{
  position:absolute;
  left:12px;top:12px;
  padding:4px 10px;
  border-radius:var(--radius-pill);
  background:rgba(251,245,234,.94);
  color:var(--dou-yellow-dark);
  font-size:11.5px;
  font-weight:700;
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{
  font-size:18px;
  line-height:1.45;
  font-weight:700;
  color:var(--text-ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card:hover .card-body h3{color:var(--dou-yellow-dark);}
.card-body p{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-weak);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--text-weak);
}
.card-foot .arrow-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-weight:700;
  color:var(--text-ink);
  min-height:32px;
}
.card-foot .arrow-link:hover{color:var(--cinnabar);}
.card-foot .arrow-link::after{content:"→";font-size:14px;}

/* ============ 返回入口 ============ */
.back-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  padding:0 0 var(--space-section);
}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  border:1px solid var(--ink-brown);
  font-size:14.5px;
  font-weight:700;
  color:var(--ink-brown);
}
.back-link:hover{background:var(--surface-2);}
.back-link--filled{background:var(--dou-yellow);border-color:var(--dou-yellow);}
.back-link--filled:hover{background:var(--dou-yellow-dark);border-color:var(--dou-yellow-dark);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-brown);
  color:var(--ink-on-dark);
  margin-top:20px;
}
.footer-banner{
  position:relative;
  background-image:linear-gradient(rgba(42,28,18,.72),rgba(42,28,18,.72)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(246,238,223,.14);
}
.footer-banner-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:44px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.footer-banner-inner h3{font-size:22px;font-weight:700;line-height:1.4;}
.footer-banner-inner p{font-size:14.5px;color:rgba(246,238,223,.76);margin-top:8px;}
.footer-top{
  display:grid;
  grid-template-columns:2.1fr 1fr 1fr 1.3fr;
  gap:36px;
  padding:56px 0 40px;
}
.footer-col h3{
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--dou-yellow);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(246,238,223,.82);}
.footer-col a:hover{color:var(--dou-yellow);}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:19px;
  font-weight:800;
  color:var(--ink-on-dark);
  margin-bottom:14px;
}
.footer-brand:hover{color:var(--dou-yellow);}
.footer-col--brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(246,238,223,.68);
  max-width:400px;
}
.footer-note{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.7;
  color:rgba(246,238,223,.52);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 26px;
  border-top:1px solid rgba(246,238,223,.16);
  font-size:12.5px;
  color:rgba(246,238,223,.58);
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{padding-left:32px;padding-right:32px;}
}
@media (max-width:1024px){
  :root{--space-section:64px;}
  .container{padding-left:20px;padding-right:20px;}
  .search-form{max-width:240px;}
  .article-title{font-size:34px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-top{grid-template-columns:1.6fr 1fr 1fr;gap:28px;}
  .footer-col--brand{grid-column:1 / -1;max-width:100%;}
  .footer-top{padding:44px 0 34px;}
}
@media (max-width:768px){
  .top-bar{flex-wrap:wrap;gap:12px;padding:10px 0;}
  .brand{font-size:17px;}
  .search-form{order:3;flex:1 1 100%;max-width:100%;}
  .top-actions{margin-left:auto;}
  .dl-card{flex-wrap:wrap;gap:18px;}
  .dl-qr{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .empty-article{padding:36px 20px;}
}
@media (max-width:640px){
  :root{--space-section:48px;}
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:15.5px;line-height:1.8;}
  .top-bar{min-height:56px;}
  .btn{min-height:44px;padding:0 16px;font-size:14.5px;}
  .btn--sm{min-height:38px;padding:0 14px;font-size:13.5px;}
  .article-title{font-size:26px;line-height:1.3;}
  .article-head-inner{padding:0;}
  .article-meta{font-size:12.5px;}
  .article-body-wrap{padding:32px 0 var(--space-section);}
  .article-content{font-size:15.5px;line-height:1.85;}
  .article-content h2{font-size:21px;}
  .article-content h3{font-size:18px;}
  .article-content pre{font-size:13px;}
  .dl-card{padding:18px;}
  .dl-card-text h3{font-size:16px;}
  .dl-platforms{gap:8px;}
  .dl-chip{min-width:70px;min-height:44px;font-size:13px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .section-head h2{font-size:22px;}
  .back-row{flex-direction:column;}
  .back-link{width:100%;justify-content:center;}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px;padding:36px 0 28px;}
  .footer-col--brand{grid-column:1 / -1;}
  .footer-banner-inner{padding:32px 16px;flex-direction:column;align-items:flex-start;}
  .footer-banner-inner h3{font-size:18px;}
  .footer-bottom{flex-direction:column;font-size:12px;}
  .crumb-bar{padding:16px 0 2px;font-size:12.5px;}
  .crumb-bar .crumb-current{max-width:46vw;}
}

/* roulang page: category1 */
:root{
  --bean:#E8A317;
  --bean-dark:#C9820C;
  --bean-soft:#FDEFC9;
  --cinnabar:#E0522B;
  --cinnabar-dark:#C13F1B;
  --green:#6F9A4E;
  --ink-brown:#2A1C12;
  --on-dark:#F6EEDF;
  --bg:#FBF5EA;
  --surface:#FFFFFF;
  --surface-2:#F4EAD8;
  --border:#E6D9C4;
  --text:#241A12;
  --text-2:#4A3A2C;
  --text-3:#857466;
  --star:#F2B705;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --r-input:10px;
  --r-img:10px;
  --shadow:0 2px 0 rgba(60,40,20,.06);
  --shadow-hover:0 10px 24px rgba(60,40,20,.12);
  --gap-section:88px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--bean);outline-offset:2px;border-radius:4px}
.skip-link{
  position:absolute;left:12px;top:-60px;z-index:200;background:var(--ink-brown);color:var(--on-dark);
  padding:10px 16px;border-radius:var(--r-btn);font-size:14px;transition:top .2s ease;
}
.skip-link:focus{top:12px}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{background:var(--bg);border-bottom:1px solid var(--border);z-index:60}
.top-bar{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.2px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--bean-dark)}
.brand-dot{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;position:relative;
  background:radial-gradient(circle at 32% 28%,#F8C963,var(--bean) 58%,var(--bean-dark) 100%);
  box-shadow:inset 0 0 0 4px rgba(255,255,255,.16);
}
.brand-dot::after{content:"";position:absolute;right:7px;bottom:6px;width:6px;height:6px;border-radius:50%;background:rgba(42,28,18,.32)}
.search-form{margin-left:auto;flex:0 1 320px;min-width:0}
.search-form input{
  width:100%;height:40px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-input);padding:0 14px;font-size:14px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{outline:none;border-color:var(--bean);box-shadow:0 0 0 3px rgba(232,163,23,.18)}
.top-actions{flex:0 0 auto;display:flex;align-items:center;gap:12px}
.login-link{font-size:14.5px;font-weight:600;color:var(--text-2);padding:8px 6px;border-radius:6px;transition:color .18s ease}
.login-link:hover{color:var(--bean-dark)}
.channel-bar-wrap{background:var(--bg);border-bottom:1px solid var(--border)}
.channel-bar{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.channel-bar::-webkit-scrollbar{display:none}
.channel-tab{
  display:inline-flex;align-items:center;flex:0 0 auto;scroll-snap-align:start;
  min-height:36px;padding:7px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:background .18s ease,color .18s ease;
}
.channel-tab:hover{background:var(--bean-soft);color:var(--text)}
.channel-tab.is-active{background:var(--bean);color:var(--ink-brown)}
.channel-tab.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink-brown);margin-right:8px}

/* ---------- buttons & badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(0)}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.btn--primary{background:var(--cinnabar);color:#fff;box-shadow:0 4px 12px rgba(224,82,43,.22)}
.btn--primary:hover{background:var(--cinnabar-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(224,82,43,.26)}
.btn--ghost{background:transparent;border-color:var(--ink-brown);color:var(--ink-brown)}
.btn--ghost:hover{background:var(--surface-2)}
.btn--brand{background:var(--bean);color:var(--ink-brown)}
.btn--brand:hover{background:var(--bean-dark);transform:translateY(-1px)}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--bean-soft);color:#96660A;border-radius:var(--r-pill);
  padding:3px 12px;font-size:12px;font-weight:700;letter-spacing:.2px;
}
.pill--line{background:transparent;border:1px solid var(--border);color:var(--text-2)}
.badge-hot{background:var(--cinnabar);color:#fff;border-radius:var(--r-pill);padding:3px 12px;font-size:12px;font-weight:700}
.badge-new{background:var(--ink-brown);color:var(--on-dark);border-radius:var(--r-pill);padding:3px 12px;font-size:12px;font-weight:700}
.badge-state{background:rgba(111,154,78,.14);color:#4F7237;border-radius:var(--r-pill);padding:3px 12px;font-size:12px;font-weight:700}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:26px 0 0;font-size:13.5px;color:var(--text-3);
}
.breadcrumb a{color:var(--text-2);font-weight:600}
.breadcrumb a:hover{color:var(--bean-dark)}
.breadcrumb .sep{color:var(--border)}
.breadcrumb .dot{width:5px;height:5px;border-radius:50%;background:var(--bean);display:inline-block}

/* ---------- hero ---------- */
.page-hero{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;padding-top:38px}
.hero-copy .pill{margin-bottom:18px}
h1{font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.4px}
h1 strong{position:relative;white-space:nowrap;font-weight:800}
h1 strong::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:4px;
  background:var(--bean);border-radius:2px;
}
.hero-lead{margin-top:26px;font-size:16.5px;line-height:1.85;color:var(--text-2);max-width:54ch}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:13.5px;color:var(--text-3)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--bean)}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--border);box-shadow:0 12px 30px rgba(60,40,20,.14);
  background:linear-gradient(135deg,#F8E2B0,var(--bean));
}
.hero-figure::after{
  content:"";position:absolute;right:-14px;bottom:-14px;width:96px;height:96px;border-radius:50%;
  background:rgba(232,163,23,.22);z-index:-1;
}

/* ---------- section basics ---------- */
.section{margin-top:var(--gap-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{position:relative;padding-bottom:14px;font-size:32px;line-height:1.25;font-weight:700}
.section-head h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;background:var(--bean);border-radius:2px}
.section-head p{font-size:14.5px;color:var(--text-3);max-width:46ch}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--text-3);text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--border)}
.eyebrow::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--bean)}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:0 0 12px;scrollbar-width:none;-ms-overflow-style:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--border);background:var(--surface);
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:border-color .18s ease,background .18s ease,color .18s ease,transform .18s ease;
}
.filter-pill:hover{border-color:var(--bean);color:var(--text);transform:translateY(-1px)}
.filter-pill.is-on{background:var(--ink-brown);border-color:var(--ink-brown);color:var(--on-dark)}

/* ---------- script cards ---------- */
.script-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.script-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.script-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,23,.4)}
.card-media{
  display:block;position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#F8E2B0,var(--bean));
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.script-card:hover .card-media img{transform:scale(1.04)}
.card-media .media-tag{position:absolute;left:14px;top:14px}
.card-body{display:flex;flex-direction:column;gap:12px;padding:20px 22px 18px;flex:1}
.card-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card-body h3{font-size:21px;line-height:1.45;font-weight:700}
.card-body h3 a{transition:color .18s ease}
.card-body h3 a:hover{color:var(--bean-dark)}
.card-desc{
  font-size:14.5px;line-height:1.78;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px dashed var(--border);font-size:13px;color:var(--text-3);
}
.card-foot .stamp{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12.5px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--text);transition:color .18s ease,gap .18s ease}
.link-arrow:hover{color:var(--bean-dark);gap:10px}

/* ---------- brief list ---------- */
.brief-list{display:grid;gap:14px}
.brief-item{
  display:grid;grid-template-columns:76px minmax(0,1fr) auto;align-items:center;gap:22px;
  padding:22px 24px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.brief-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,23,.4)}
.brief-num{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:22px;font-weight:800;color:var(--bean-dark);
}
.brief-num::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--bean)}
.brief-item h3{font-size:17px;font-weight:700;margin-bottom:4px}
.brief-item p{font-size:14.5px;color:var(--text-3);line-height:1.78}
.brief-item .pill{white-space:nowrap}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;margin-top:var(--gap-section);overflow:hidden;
  background:var(--ink-brown) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:var(--on-dark);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(42,28,18,.93) 0%,rgba(42,28,18,.78) 55%,rgba(42,28,18,.86) 100%);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;flex-wrap:wrap}
.cta-inner h2{position:relative;padding-bottom:14px;font-size:30px;line-height:1.3;font-weight:700;color:var(--on-dark)}
.cta-inner h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;background:var(--bean);border-radius:2px}
.cta-inner p{margin-top:14px;font-size:15px;color:rgba(246,238,223,.78);max-width:52ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn--ghost{border-color:rgba(246,238,223,.5);color:var(--on-dark)}
.cta-band .btn--ghost:hover{background:rgba(246,238,223,.12)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-brown);color:var(--on-dark)}
.footer-banner{position:relative;background:var(--ink-brown) url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.footer-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(42,28,18,.9),rgba(42,28,18,.72))}
.footer-banner-inner{
  position:relative;max-width:1180px;margin:0 auto;padding:42px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.footer-banner h3{font-size:22px;line-height:1.4;font-weight:700}
.footer-banner p{margin-top:8px;font-size:14.5px;color:rgba(246,238,223,.78)}
.footer-top{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.15fr;gap:36px;padding:56px 0 40px}
.footer-col h3{font-size:15px;font-weight:700;letter-spacing:.4px;margin-bottom:16px;color:var(--on-dark)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(246,238,223,.75);transition:color .18s ease}
.footer-col a:hover{color:var(--bean)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--on-dark);margin-bottom:14px}
.footer-col--brand p{font-size:14px;line-height:1.82;color:rgba(246,238,223,.68)}
.footer-note{margin-top:14px;font-size:12.5px;line-height:1.72;color:rgba(246,238,223,.55)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid rgba(246,238,223,.16);
  font-size:12.5px;color:rgba(246,238,223,.55);
}

/* ---------- anchors ---------- */
#download,#scripts,#brief{scroll-margin-top:130px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--gap-section:64px}
  .container{padding:0 20px}
  .site-header{position:sticky;top:0}
  h1{font-size:36px}
  .page-hero{grid-template-columns:1fr;gap:30px}
  .hero-figure{max-width:520px}
  .section-head h2{font-size:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
  .footer-col--brand{grid-column:1 / -1}
  .cta-inner h2{font-size:26px}
}
@media (max-width:768px){
  .script-grid{grid-template-columns:1fr}
  .brief-item{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:18px 18px}
  .brief-item .pill{grid-column:2}
  .cta-inner{padding:44px 0}
}
@media (max-width:640px){
  :root{--gap-section:48px}
  .container{padding:0 16px}
  body{font-size:15.5px;line-height:1.8}
  .top-bar{min-height:56px;gap:12px}
  .brand{font-size:17px}
  .brand-dot{width:24px;height:24px}
  .search-form{display:none}
  .top-actions{margin-left:auto}
  .login-link{padding:6px 4px;font-size:14px}
  .btn--sm{min-height:38px;padding:0 14px;font-size:13.5px}
  .channel-bar{height:48px;gap:6px}
  .channel-tab{font-size:13.5px;padding:7px 13px}
  .breadcrumb{padding-top:18px;font-size:12.5px}
  .page-hero{padding-top:26px}
  h1{font-size:30px;line-height:1.28;letter-spacing:-.2px}
  .hero-lead{margin-top:22px;font-size:15.5px}
  .section-head h2{font-size:25px}
  .section-head p{font-size:13.5px}
  .card-body{padding:18px 18px 16px}
  .card-body h3{font-size:19px}
  .card-desc{font-size:14px}
  .brief-item{grid-template-columns:1fr;gap:10px}
  .brief-item .pill{grid-column:auto;justify-self:start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;padding:40px 0 30px}
  .footer-col--brand{grid-column:1 / -1}
  .footer-banner-inner{padding:32px 16px}
  .footer-banner h3{font-size:19px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;padding:18px 0 26px}
  #download,#scripts,#brief{scroll-margin-top:110px}
}
@media (min-width:1440px){
  .container{padding:0 40px}
}

/* roulang page: category2 */
:root{
  --bean:#E8A317;
  --bean-deep:#C9820C;
  --bean-soft:#FDEFC9;
  --cinnabar:#E0522B;
  --cinnabar-deep:#C13F1B;
  --pea:#6F9A4E;
  --ink-brown:#2A1C12;
  --ink-on-dark:#F6EEDF;
  --bg:#FBF5EA;
  --card:#FFFFFF;
  --surface:#F4EAD8;
  --line:#E6D9C4;
  --ink:#241A12;
  --ink-2:#4A3A2C;
  --ink-3:#857466;
  --star:#F2B705;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --r-input:10px;
  --r-img:10px;
  --shadow-1:0 2px 0 rgba(60,40,20,.06);
  --shadow-2:0 6px 18px rgba(60,40,20,.10);
  --shadow-3:0 10px 24px rgba(60,40,20,.12);
  --gap:24px;
  --section:88px;
  --container:1180px;
  --header-h:64px;
  --tabs-h:52px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--bean);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  background:rgba(251,245,234,.96);
  border-bottom:1px solid var(--line);
}
.top-bar{
  display:flex;
  align-items:center;
  gap:20px;
  height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--ink);
  flex:0 0 auto;
}
.brand:hover{color:var(--bean-deep);}
.brand-dot{
  width:28px;height:28px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#F7CB5D 0%,var(--bean) 55%,var(--bean-deep) 100%);
  box-shadow:inset 0 -2px 4px rgba(60,40,20,.18);
  flex:0 0 auto;
}
.search-form{flex:1 1 auto;max-width:320px;}
.search-form input{
  width:100%;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:var(--card);
  color:var(--ink);
  font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{
  outline:none;
  border-color:var(--bean);
  box-shadow:0 0 0 3px rgba(232,163,23,.18);
}
.top-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
  flex:0 0 auto;
}
.login-link{
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  padding:8px 2px;
}
.login-link:hover{color:var(--bean-deep);}

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:1px solid transparent;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn--primary{background:var(--cinnabar);color:#fff;border-color:var(--cinnabar);}
.btn--primary:hover{background:var(--cinnabar-deep);border-color:var(--cinnabar-deep);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink-brown);}
.btn--ghost:hover{background:var(--surface);}
.btn--brand{background:var(--bean);color:var(--ink-brown);border-color:var(--bean);}
.btn--brand:hover{background:var(--bean-deep);border-color:var(--bean-deep);color:#fff;}
.btn--on-dark{background:transparent;color:var(--ink-on-dark);border-color:rgba(246,238,223,.55);}
.btn--on-dark:hover{background:rgba(246,238,223,.12);border-color:var(--ink-on-dark);}

/* channel tabs */
.channel-bar-wrap{
  background:rgba(251,245,234,.96);
  border-bottom:1px solid var(--line);
}
.channel-bar{
  display:flex;
  align-items:center;
  gap:8px;
  height:var(--tabs-h);
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  scroll-snap-type:x proximity;
  padding-bottom:2px;
}
.channel-bar::-webkit-scrollbar{display:none;}
.channel-tab{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  scroll-snap-align:start;
}
.channel-tab:hover{background:var(--bean-soft);color:var(--ink);}
.channel-tab.is-active{
  background:var(--bean);
  color:var(--ink-brown);
  font-weight:800;
}
.channel-tab.is-active::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--ink-brown);
  display:inline-block;
}

/* ---------- breadcrumb & hero ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:22px 0 0;
  font-size:13.5px;
  color:var(--ink-3);
}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--bean-deep);}
.crumbs .sep{width:6px;height:6px;border-radius:50%;background:var(--bean);display:inline-block;}
.crumbs .current{color:var(--ink);font-weight:600;}

.cat-hero{
  padding:26px 0 0;
}
.cat-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:36px;
  align-items:end;
  padding-bottom:30px;
  border-bottom:1px solid var(--line);
}
h1{
  font-size:44px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.5px;
}
h1 strong{
  color:var(--bean-deep);
  text-decoration:underline;
  text-decoration-color:var(--bean);
  text-decoration-thickness:4px;
  text-underline-offset:6px;
}
.cat-lead{
  margin-top:16px;
  font-size:16px;
  color:var(--ink-2);
  max-width:620px;
}
.cat-stats{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--bean-soft);
  color:var(--bean-deep);
  font-size:12px;
  font-weight:700;
}
.pill--green{background:rgba(111,154,78,.14);color:#4F7635;}
.pill--cinnabar{background:var(--cinnabar);color:#fff;}
.hero-side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:20px;
}
.hero-side-card h2{
  font-size:15px;
  font-weight:800;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-side-card h2::before{
  content:"";width:14px;height:4px;border-radius:2px;background:var(--bean);
}
.hero-side-card p{font-size:13.5px;color:var(--ink-3);line-height:1.75;}
.hero-side-card .mini-line{
  display:flex;justify-content:space-between;gap:12px;
  padding:9px 0;border-bottom:1px dashed var(--line);
  font-size:13px;color:var(--ink-2);
}
.hero-side-card .mini-line:last-of-type{border-bottom:0;}
.hero-side-card .mini-line b{font-weight:700;color:var(--ink);}

/* filter bar */
.filter-bar{
  display:flex;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:22px 0 6px;
  scroll-snap-type:x proximity;
}
.filter-bar::-webkit-scrollbar{display:none;}
.filter-bar a{
  flex:0 0 auto;
  scroll-snap-align:start;
  height:34px;
  display:inline-flex;
  align-items:center;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--card);
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-2);
}
.filter-bar a:hover{border-color:rgba(232,163,23,.5);color:var(--bean-deep);background:var(--bean-soft);}
.filter-bar a.is-current{background:var(--ink-brown);border-color:var(--ink-brown);color:var(--ink-on-dark);}

/* ---------- layout ---------- */
.layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  padding:34px 0 var(--section);
  align-items:start;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.section-head h2{
  position:relative;
  font-size:24px;
  font-weight:700;
  line-height:1.3;
  padding-left:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;border-radius:2px;background:var(--bean);
}
.section-head .hint{
  font-size:13px;
  color:var(--ink-3);
}

/* list panel */
.list-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:8px 22px 6px;
}
.row-item{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) auto;
  gap:16px;
  align-items:center;
  padding:18px 10px;
  margin:0 -10px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease,transform .18s ease;
}
.row-item:last-child{border-bottom:0;}
.row-item:hover{background:var(--bg);}
.row-item:hover .row-title{color:var(--bean-deep);}
.row-item:hover .row-arrow{transform:translateX(3px);color:var(--cinnabar);}
.thumb{
  width:64px;height:64px;
  border-radius:var(--r-img);
  overflow:hidden;
  background:linear-gradient(135deg,#F7CB5D,#E8A317 55%,#C9820C);
  position:relative;
  flex:0 0 auto;
}
.thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease;
}
.row-item:hover .thumb img{transform:scale(1.05);}
.row-body{min-width:0;}
.row-title{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  transition:color .18s ease;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.row-desc{
  margin-top:5px;
  font-size:13.5px;
  color:var(--ink-3);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.row-meta{
  margin-top:8px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  color:var(--ink-3);
}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--bean);display:inline-block;}
.row-arrow{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:15px;
  transition:transform .18s ease,color .18s ease,border-color .18s ease,background-color .18s ease;
  flex:0 0 auto;
}
.row-item:hover .row-arrow{border-color:rgba(232,163,23,.55);background:var(--bean-soft);}

/* sidebar */
.sidebar{display:grid;gap:20px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:20px;
}
.side-card h3{
  font-size:16px;
  font-weight:800;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";width:14px;height:4px;border-radius:2px;background:var(--bean);
}
.side-nav{display:grid;gap:4px;}
.side-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  border:1px solid transparent;
}
.side-nav a:hover{background:var(--bean-soft);color:var(--bean-deep);}
.side-nav a.is-active{
  background:var(--bean-soft);
  color:var(--bean-deep);
  border-color:rgba(232,163,23,.4);
}
.side-nav a span{font-size:12px;color:var(--ink-3);font-weight:500;}
.dl-card{
  background:linear-gradient(160deg,#3A2718,#2A1C12 70%);
  border-color:rgba(246,238,223,.16);
  color:var(--ink-on-dark);
}
.dl-card h3{color:var(--ink-on-dark);}
.dl-card p{font-size:13.5px;color:rgba(246,238,223,.72);line-height:1.75;margin-bottom:14px;}
.dl-platforms{display:grid;gap:8px;margin-bottom:14px;}
.dl-platforms a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 14px;
  min-height:44px;
  border-radius:var(--r-btn);
  border:1px solid rgba(246,238,223,.28);
  font-size:14px;
  font-weight:700;
  color:var(--ink-on-dark);
}
.dl-platforms a:hover{background:rgba(246,238,223,.12);border-color:var(--bean);color:#fff;}
.dl-platforms a em{font-style:normal;font-size:11.5px;color:rgba(246,238,223,.6);font-family:ui-monospace,Menlo,monospace;}
.dl-card .btn{width:100%;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--surface);
  color:var(--ink-2);
  font-size:12.5px;
  font-weight:600;
}
.tag-cloud a:hover{background:var(--bean-soft);color:var(--bean-deep);}

/* pager */
.pager{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:26px;
}
.pager a,.pager span{
  min-width:40px;
  height:40px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--card);
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
}
.pager a:hover{border-color:rgba(232,163,23,.55);color:var(--bean-deep);background:var(--bean-soft);}
.pager .is-now{background:var(--ink-brown);border-color:var(--ink-brown);color:var(--ink-on-dark);}
.pager .is-off{color:var(--ink-3);background:var(--surface);}

/* CTA band */
.cta-band{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(rgba(42,28,18,.78),rgba(42,28,18,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:var(--ink-on-dark);
}
.cta-band-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:44px 0;
}
.cta-band h2{
  font-size:28px;
  font-weight:800;
  line-height:1.3;
  color:#fff;
  max-width:620px;
}
.cta-band p{
  margin-top:8px;
  font-size:14.5px;
  color:rgba(246,238,223,.78);
  max-width:620px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-brown);color:var(--ink-on-dark);}
.footer-banner{
  position:relative;
  background-image:linear-gradient(rgba(42,28,18,.72),rgba(42,28,18,.72)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(246,238,223,.16);
}
.footer-banner-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:32px 24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.footer-banner h3{font-size:19px;font-weight:800;color:#fff;}
.footer-banner p{margin-top:6px;font-size:13.5px;color:rgba(246,238,223,.75);}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding:52px 0 36px;
}
.footer-col h3{
  font-size:15px;
  font-weight:800;
  margin-bottom:14px;
  color:#fff;
}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:14px;color:rgba(246,238,223,.78);}
.footer-col a:hover{color:var(--bean);}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin-bottom:12px;
}
.footer-brand .brand-dot{width:26px;height:26px;}
.footer-col--brand p{font-size:13.5px;line-height:1.8;color:rgba(246,238,223,.72);max-width:340px;}
.footer-note{
  margin-top:12px;
  font-size:12.5px;
  line-height:1.7;
  color:rgba(246,238,223,.55);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding:18px 0 28px;
  border-top:1px solid rgba(246,238,223,.16);
  font-size:12.5px;
  color:rgba(246,238,223,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--section:64px;--gap:20px;}
  .container{padding:0 20px;}
  h1{font-size:36px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:24px;align-items:start;}
  .layout{grid-template-columns:1fr;gap:28px;padding-top:26px;}
  .sidebar{grid-template-columns:1fr 1fr;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:24px;}
  .footer-col--brand{grid-column:1 / -1;}
  .search-form{max-width:240px;}
}
@media (max-width:860px){
  .search-form{display:none;}
  .top-actions{margin-left:auto;}
}
@media (max-width:640px){
  :root{--section:48px;--header-h:56px;}
  .container{padding:0 16px;}
  body{font-size:15.5px;line-height:1.8;}
  .brand{font-size:16.5px;gap:8px;}
  .brand-dot{width:24px;height:24px;}
  .top-bar{gap:12px;}
  .login-link{display:none;}
  .btn--sm{min-height:36px;padding:0 12px;font-size:13px;}
  .channel-bar-wrap{
    position:sticky;
    top:0;
    z-index:50;
    background:linear-gradient(#FBF5EA,#FBF5EA 88%,rgba(251,245,234,.94));
    border-bottom:1px solid var(--line);
  }
  .channel-bar{height:50px;gap:6px;}
  .channel-tab{height:34px;padding:0 13px;font-size:13.5px;}
  h1{font-size:30px;line-height:1.28;letter-spacing:0;}
  h1 strong{text-decoration-thickness:3px;text-underline-offset:4px;}
  .cat-lead{font-size:15px;}
  .filter-bar{padding-top:16px;}
  .list-panel{padding:4px 14px 4px;}
  .row-item{
    grid-template-columns:56px minmax(0,1fr);
    gap:12px;
    padding:16px 0;
    margin:0;
  }
  .thumb{width:56px;height:56px;}
  .row-arrow{display:none;}
  .row-title{font-size:15.5px;}
  .row-desc{font-size:13px;-webkit-line-clamp:2;}
  .sidebar{grid-template-columns:1fr;}
  .section-head h2{font-size:20px;}
  .cta-band-inner{padding:32px 0;gap:18px;}
  .cta-band h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .footer-banner-inner{padding:26px 16px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:22px;padding:36px 0 24px;}
  .footer-col--brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;font-size:12px;}
  .pager a,.pager span{min-width:36px;height:36px;padding:0 10px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --bean:#E8A317;
  --bean-dark:#C9820C;
  --bean-soft:#FDEFC9;
  --cinnabar:#E0522B;
  --cinnabar-dark:#C13F1B;
  --pea:#6F9A4E;
  --ink-panel:#2A1C12;
  --on-dark:#F6EEDF;
  --bg:#FBF5EA;
  --card:#FFFFFF;
  --surface:#F4EAD8;
  --line:#E6D9C4;
  --ink:#241A12;
  --ink-2:#4A3A2C;
  --ink-3:#857466;
  --star:#F2B705;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --r-input:10px;
  --r-img:10px;
  --shadow-1:0 2px 0 rgba(60,40,20,.06);
  --shadow-2:0 10px 24px rgba(60,40,20,.12);
  --shadow-3:0 6px 18px rgba(60,40,20,.10);
  --sect:88px;
  --gap:24px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--bean);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ============ header ============ */
.site-header{background:var(--bg);border-bottom:1px solid var(--line);position:relative;z-index:50;}
.top-bar{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:19px;font-weight:800;letter-spacing:.2px;color:var(--ink);white-space:nowrap;}
.brand-dot{width:28px;height:28px;border-radius:50%;background:var(--bean);box-shadow:inset -5px -5px 0 rgba(0,0,0,.07);flex:0 0 auto;position:relative;}
.brand-dot::after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.75);top:7px;left:7px;}
.search-form{flex:1 1 auto;max-width:320px;}
.search-form input{
  width:100%;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;color:var(--ink);font-size:14px;transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{outline:none;border-color:var(--bean);box-shadow:0 0 0 3px rgba(232,163,23,.18);}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.login-link{font-size:14px;font-weight:600;color:var(--ink-2);padding:8px 4px;border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;}
.login-link:hover{color:var(--bean-dark);border-bottom-color:var(--bean);}

.channel-bar-wrap{background:var(--bg);border-top:1px solid rgba(230,217,196,.6);}
.channel-bar{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;}
.channel-bar::-webkit-scrollbar{display:none;}
.channel-tab{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--ink-2);
  scroll-snap-align:start;transition:background .18s ease,color .18s ease;
}
.channel-tab:hover{background:var(--bean-soft);color:var(--ink);}
.channel-tab.is-active{background:var(--bean);color:var(--ink);font-weight:700;}
.channel-tab.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink);flex:0 0 auto;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--cinnabar);color:#fff;box-shadow:0 4px 12px rgba(224,82,43,.22);}
.btn--primary:hover{background:var(--cinnabar-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(193,63,27,.26);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink-panel);}
.btn--ghost:hover{background:var(--surface);}
.btn--brand{background:var(--bean);color:var(--ink);}
.btn--brand:hover{background:var(--bean-dark);transform:translateY(-1px);}
.btn--sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}

/* ============ pills / badges ============ */
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);background:var(--bean-soft);color:var(--bean-dark);font-size:12px;font-weight:700;letter-spacing:.2px;}
.pill--pea{background:rgba(111,154,78,.14);color:#5A7F3D;}
.pill--hot{background:var(--cinnabar);color:#fff;}

/* ============ page hero ============ */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(42,28,18,.74),rgba(42,28,18,.74)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;color:var(--on-dark);
}
.page-hero .container{position:relative;padding-top:46px;padding-bottom:52px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,238,223,.72);margin-bottom:22px;}
.crumbs a{color:rgba(246,238,223,.88);border-bottom:1px solid rgba(246,238,223,.28);padding-bottom:1px;transition:color .18s ease,border-color .18s ease;}
.crumbs a:hover{color:#fff;border-bottom-color:var(--bean);}
.crumbs .dot{width:5px;height:5px;border-radius:50%;background:rgba(246,238,223,.45);}
.crumbs .current{color:var(--bean);font-weight:700;}
.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;}
h1{
  font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.5px;color:#fff;
}
h1 strong{position:relative;color:var(--bean);font-weight:800;padding-bottom:6px;}
h1 strong::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--bean);border-radius:2px;}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:rgba(246,238,223,.86);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-actions .btn--ghost{color:var(--on-dark);border-color:rgba(246,238,223,.55);}
.hero-actions .btn--ghost:hover{background:rgba(246,238,223,.12);}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.fact-chip{
  display:inline-flex;align-items:baseline;gap:7px;padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(246,238,223,.1);border:1px solid rgba(246,238,223,.22);
  font-size:12.5px;color:rgba(246,238,223,.85);
}
.fact-chip b{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13.5px;color:var(--bean);font-weight:700;}
.hero-shot{
  position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(246,238,223,.22);
  background:linear-gradient(135deg,#E8A317,#C9820C);box-shadow:0 18px 40px rgba(20,12,6,.42);
  aspect-ratio:16/11;
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.hero-shot .shot-tag{position:absolute;left:14px;bottom:14px;background:rgba(42,28,18,.82);color:var(--on-dark);font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);}

/* ============ section basics ============ */
.section{padding-top:var(--sect);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.3px;}
.section-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--bean);}
.section-lead{font-size:14.5px;color:var(--ink-3);max-width:620px;margin-top:8px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);border-bottom:2px solid var(--bean);padding-bottom:2px;transition:color .18s ease,border-color .18s ease;}
.text-link:hover{color:var(--cinnabar);border-bottom-color:var(--cinnabar);}

/* ============ download matrix ============ */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.platform-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;
}
.platform-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(232,163,23,.4);}
.platform-top{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.platform-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--bean-soft);color:var(--bean-dark);font-size:20px;font-weight:800;flex:0 0 auto;
}
.platform-name{font-size:19px;font-weight:700;line-height:1.3;}
.platform-name span{display:block;font-size:12.5px;font-weight:600;color:var(--ink-3);margin-top:3px;}
.spec-list{border-top:1px solid var(--line);padding-top:16px;margin-bottom:20px;display:grid;gap:10px;}
.spec-list div{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.6;}
.spec-list .k{color:var(--ink-3);flex:0 0 68px;}
.spec-list .v{color:var(--ink-2);font-weight:600;}
.spec-list .v.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.platform-card .btn{margin-top:auto;}
.platform-card .download-note{margin-top:12px;font-size:12px;color:var(--ink-3);text-align:center;}

/* ============ timeline steps ============ */
.steps-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:34px 32px;box-shadow:var(--shadow-1);}
.steps{position:relative;display:grid;gap:0;}
.step{position:relative;display:grid;grid-template-columns:52px 1fr;gap:20px;padding-bottom:30px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:25px;top:44px;bottom:0;width:0;
  border-left:2px dashed rgba(232,163,23,.45);
}
.step:last-child::before{display:none;}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--bean);color:var(--ink);
  font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:17px;font-weight:800;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:2;
  box-shadow:0 0 0 6px rgba(251,245,234,.9);
}
.step-title{font-size:19px;font-weight:700;margin-bottom:6px;line-height:1.4;}
.step-desc{font-size:14.5px;color:var(--ink-2);line-height:1.8;max-width:760px;}
.step-meta{margin-top:8px;font-size:12.5px;color:var(--ink-3);font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ============ notice bar ============ */
.notice{
  margin-top:36px;background:var(--bean-soft);border-left:4px solid var(--bean);border-radius:8px;
  padding:18px 22px;display:flex;gap:16px;align-items:flex-start;
}
.notice h3{font-size:16px;font-weight:700;margin-bottom:4px;}
.notice p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.notice .notice-mark{width:26px;height:26px;border-radius:50%;background:var(--bean);color:var(--ink);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:2px;}

/* ============ feature strip ============ */
.feature-strip{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;gap:12px;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(232,163,23,.4);}
.feature-card h3{font-size:20px;font-weight:700;line-height:1.4;}
.feature-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.feature-card .text-link{margin-top:auto;align-self:flex-start;}
.feature-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#E8A317,#C9820C);}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-side{display:grid;gap:24px;}

/* ============ faq ============ */
.faq-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--card);box-shadow:var(--shadow-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
  transition:background .18s ease,color .18s ease;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--bg);}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--bean);
  opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary{background:var(--bg);font-weight:800;color:var(--ink);}
.faq-icon{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--bean-dark);font-size:16px;font-weight:700;transition:transform .2s ease,background .2s ease;
}
.faq-item[open] .faq-icon{background:var(--bean);color:var(--ink);border-color:var(--bean);transform:rotate(45deg);}
.faq-body{padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:900px;}

/* ============ cta band ============ */
.cta-band{
  margin-top:var(--sect);position:relative;overflow:hidden;color:var(--on-dark);
  background-image:linear-gradient(rgba(42,28,18,.78),rgba(42,28,18,.78)),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.cta-band .container{padding-top:56px;padding-bottom:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:29px;font-weight:700;line-height:1.3;color:#fff;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(246,238,223,.82);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn--ghost{color:var(--on-dark);border-color:rgba(246,238,223,.55);}
.cta-actions .btn--ghost:hover{background:rgba(246,238,223,.12);}

/* ============ footer ============ */
.site-footer{background:var(--ink-panel);color:var(--on-dark);margin-top:var(--sect);}
.footer-banner{
  background-image:linear-gradient(rgba(42,28,18,.7),rgba(42,28,18,.7)),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;border-bottom:1px solid rgba(246,238,223,.12);
}
.footer-banner-inner{
  max-width:1180px;margin:0 auto;padding:34px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.footer-banner h3{font-size:21px;font-weight:700;color:#fff;line-height:1.4;}
.footer-banner p{margin-top:8px;font-size:14px;color:rgba(246,238,223,.8);}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;padding:52px 0 40px;}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-col--brand p{font-size:13.5px;line-height:1.85;color:rgba(246,238,223,.72);max-width:340px;}
.footer-col h3{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.3px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:13.5px;color:rgba(246,238,223,.75);transition:color .18s ease;}
.footer-col ul a:hover{color:var(--bean);}
.footer-note{margin-top:14px;font-size:12.5px;line-height:1.75;color:rgba(246,238,223,.55);}
.footer-bottom{
  border-top:1px solid rgba(246,238,223,.16);padding:18px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(246,238,223,.55);
}

/* ============ responsive ============ */
@media (max-width:1024px){
  :root{--sect:64px;--gap:20px;}
  .container{padding:0 20px;}
  h1{font-size:36px;}
  .section-title{font-size:27px;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-shot{max-width:520px;}
  .platform-grid{grid-template-columns:1fr 1fr;}
  .feature-strip{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band h2{font-size:25px;}
}
@media (max-width:860px){
  .top-bar{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px;}
  .search-form{order:3;flex:1 1 100%;max-width:none;}
  .top-actions{margin-left:auto;}
  .channel-bar-wrap{position:sticky;top:0;z-index:60;background:linear-gradient(#FBF5EA 72%,rgba(251,245,234,.94));border-bottom:1px solid var(--line);}
  .page-hero .container{padding-top:34px;padding-bottom:38px;}
  .section{padding-top:var(--sect);}
}
@media (max-width:640px){
  :root{--sect:48px;--gap:14px;}
  .container{padding:0 16px;}
  body{font-size:15.5px;line-height:1.8;}
  h1{font-size:30px;line-height:1.28;}
  .hero-sub{font-size:15.5px;}
  .section-title{font-size:23px;padding-left:13px;}
  .brand{font-size:17px;}
  .brand-dot{width:24px;height:24px;}
  .platform-grid{grid-template-columns:1fr;}
  .steps-wrap{padding:24px 18px;}
  .step{grid-template-columns:44px 1fr;gap:14px;}
  .step-num{width:38px;height:38px;font-size:15px;}
  .step::before{left:18px;top:40px;}
  .faq-item summary{padding:16px 16px 16px 18px;font-size:16px;gap:12px;}
  .faq-body{padding:0 18px 18px 18px;font-size:14.5px;}
  .cta-band .container{padding-top:40px;padding-bottom:40px;}
  .cta-band h2{font-size:22px;}
  .footer-top{grid-template-columns:1fr 1fr;padding:36px 0 28px;gap:24px;}
  .footer-col--brand{grid-column:1 / -1;}
  .footer-banner-inner{padding:26px 16px;}
  .footer-banner h3{font-size:18px;}
  .feature-card{padding:20px;}
  .notice{padding:16px 16px;flex-direction:column;gap:10px;}
}
@media (min-width:1440px){
  .container{padding:0 40px;}
}

/* roulang page: category4 */
:root{
  --bean:#E8A317;
  --bean-dark:#C9820C;
  --bean-soft:#FDEFC9;
  --cinnabar:#E0522B;
  --cinnabar-dark:#C13F1B;
  --green:#6F9A4E;
  --dark:#2A1C12;
  --on-dark:#F6EEDF;
  --bg:#FBF5EA;
  --card:#FFFFFF;
  --sub:#F4EAD8;
  --line:#E6D9C4;
  --ink:#241A12;
  --ink-2:#4A3A2C;
  --ink-3:#857466;
  --star:#F2B705;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --r-input:10px;
  --shadow-sm:0 2px 0 rgba(60,40,20,.06);
  --shadow-md:0 6px 18px rgba(60,40,20,.10);
  --shadow-hover:0 10px 24px rgba(60,40,20,.12);
  --gap:24px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --sticky-h:56px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--bean);outline-offset:2px;border-radius:4px;}
::selection{background:var(--bean-soft);color:var(--ink);}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 头部导航 ---------- */
.site-header{
  background:var(--card);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:50;
}
.top-bar{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
  flex:none;
}
.brand-dot{
  width:28px;
  height:28px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#F7C948 0 26%,var(--bean) 27% 100%);
  box-shadow:inset 0 0 0 5px rgba(42,28,18,.10);
  flex:none;
}
.search-form{
  flex:1 1 auto;
  max-width:320px;
  margin:0 auto;
  display:flex;
}
.search-form input{
  width:100%;
  height:42px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:var(--bg);
  color:var(--ink);
  font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{
  outline:none;
  background:var(--card);
  border-color:var(--bean);
  box-shadow:0 0 0 3px rgba(232,163,23,.18);
}
.search-form input:-webkit-autofill{
  -webkit-box-shadow:0 0 0 40px var(--card) inset;
  -webkit-text-fill-color:var(--ink);
}
.top-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:none;
  margin-left:auto;
}
.login-link{
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.login-link:hover{color:var(--ink);border-bottom-color:var(--bean);}

/* ---------- 频道栏 ---------- */
.channel-bar-wrap{
  background:var(--card);
  border-top:1px solid var(--line);
}
.channel-bar{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.channel-bar::-webkit-scrollbar{display:none;}
.channel-tab{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  scroll-snap-align:start;
  transition:background .18s ease,color .18s ease;
}
.channel-tab::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--bean);
  opacity:0;
  transform:scale(.4);
  transition:opacity .18s ease,transform .18s ease;
}
.channel-tab:hover{background:var(--bean-soft);color:var(--ink);}
.channel-tab.is-active{background:var(--bean);color:var(--ink);font-weight:700;}
.channel-tab.is-active::before{opacity:1;transform:scale(1);background:var(--dark);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--cinnabar);color:#fff;box-shadow:0 4px 12px rgba(193,63,27,.22);}
.btn--primary:hover{background:var(--cinnabar-dark);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:var(--dark);color:var(--ink);}
.btn--ghost:hover{background:var(--sub);}
.btn--brand{background:var(--bean);color:var(--dark);}
.btn--brand:hover{background:var(--bean-dark);color:var(--dark);}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px;}

/* ---------- 通用文本 ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--bean-soft);
  color:var(--bean-dark);
  font-size:12px;
  font-weight:700;
  line-height:1.6;
}
.section-title{
  font-size:32px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:.2px;
  position:relative;
  padding-left:16px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:4px;
  height:28px;
  border-radius:2px;
  background:var(--bean);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head p{
  color:var(--ink-3);
  font-size:14px;
  max-width:520px;
}
.text-link{
  display:inline-block;
  font-weight:700;
  color:var(--ink);
  border-bottom:3px solid var(--bean);
  padding-bottom:1px;
  transition:border-color .18s ease,color .18s ease;
}
.text-link:hover{border-color:var(--cinnabar);color:var(--cinnabar-dark);}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- 面包屑 ---------- */
.crumbs{
  padding:20px 0 0;
  font-size:13.5px;
  color:var(--ink-3);
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
}
.crumbs a{color:var(--ink-2);font-weight:600;transition:color .18s ease;}
.crumbs a:hover{color:var(--bean-dark);}
.crumbs .sep{
  width:6px;height:6px;border-radius:50%;background:var(--bean);display:inline-block;
}
.crumbs .current{color:var(--ink-3);}

/* ---------- Hero ---------- */
.cat-hero{
  padding:28px 0 0;
  scroll-margin-top:calc(var(--sticky-h) + 16px);
}
.cat-hero__panel{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-md);
  padding:36px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:center;
}
.cat-hero__panel::after{
  content:"";
  position:absolute;
  right:-70px;
  top:-70px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(232,163,23,.20),rgba(232,163,23,0) 70%);
  pointer-events:none;
}
.cat-hero h1{
  font-size:44px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:.4px;
  margin:14px 0 16px;
}
.cat-hero h1 strong{
  position:relative;
  font-weight:800;
  padding-bottom:4px;
  border-bottom:4px solid var(--bean);
}
.cat-hero .lede{
  font-size:16.5px;
  color:var(--ink-2);
  max-width:520px;
}
.cat-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.cat-hero__tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:22px;
}
.cat-hero__tags span{
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--sub);
  color:var(--ink-2);
  font-size:12.5px;
  font-weight:600;
}
.cat-hero__collage{
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-auto-rows:112px;
  gap:12px;
}
.cat-hero__collage figure{
  margin:0;
  border-radius:10px;
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,#F7D98B,#E8A317);
  box-shadow:var(--shadow-sm);
}
.cat-hero__collage figure:first-child{
  grid-row:span 2;
}
.cat-hero__collage img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.cat-hero__collage figure:hover img{transform:scale(1.04);}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:6px 0 14px;
  scrollbar-width:none;
  scroll-snap-type:x proximity;
}
.filter-bar::-webkit-scrollbar{display:none;}
.filter-chip{
  flex:none;
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--card);
  color:var(--ink-2);
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  scroll-snap-align:start;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.filter-chip:hover{background:var(--bean-soft);color:var(--ink);border-color:rgba(232,163,23,.45);}
.filter-chip.is-active{
  background:var(--bean);
  border-color:var(--bean);
  color:var(--dark);
  font-weight:700;
}

/* ---------- 素材瀑布流 ---------- */
.asset-section{
  padding:52px 0 0;
  scroll-margin-top:calc(var(--sticky-h) + 16px);
}
.asset-wall{
  column-count:3;
  column-gap:var(--gap);
}
.asset-card{
  break-inside:avoid;
  margin:0 0 var(--gap);
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.asset-card:hover,
.asset-card:focus-within{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(232,163,23,.40);
}
.asset-card__link{
  display:block;
  position:relative;
  overflow:hidden;
  border-radius:var(--r-card);
}
.asset-card__media{
  overflow:hidden;
  background:linear-gradient(135deg,#F7D98B,#E8A317);
  aspect-ratio:16/12;
}
.asset-card--tall .asset-card__media{aspect-ratio:3/4;}
.asset-card--wide .asset-card__media{aspect-ratio:16/10;}
.asset-card--mid .asset-card__media{aspect-ratio:4/3.4;}
.asset-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .28s ease;
}
.asset-card__link:hover .asset-card__media img,
.asset-card__link:focus-visible .asset-card__media img{transform:scale(1.03);}
.asset-card__overlay{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:34px 16px 14px;
  background:linear-gradient(to top,rgba(42,28,18,.92) 0%,rgba(42,28,18,.78) 55%,rgba(42,28,18,0) 100%);
  color:var(--on-dark);
  opacity:0;
  transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease;
  pointer-events:none;
}
.asset-card__link:hover .asset-card__overlay,
.asset-card__link:focus-visible .asset-card__overlay{
  opacity:1;
  transform:translateY(0);
}
.asset-card__format{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:var(--bean);
  color:var(--dark);
  font-size:11.5px;
  font-weight:700;
  font-family:var(--mono);
  letter-spacing:.3px;
}
.asset-card__title{
  font-size:17px;
  line-height:1.45;
  font-weight:700;
  margin-top:8px;
  color:var(--on-dark);
}
.asset-placeholder{
  break-inside:avoid;
  margin:0 0 var(--gap);
  min-height:210px;
  border-radius:var(--r-card);
  border:1px dashed rgba(232,163,23,.65);
  background:
    radial-gradient(circle at 20% 30%,rgba(232,163,23,.22) 0 6px,transparent 7px),
    radial-gradient(circle at 70% 65%,rgba(232,163,23,.22) 0 6px,transparent 7px),
    linear-gradient(140deg,#FDEFC9,#F8E3AF);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:26px 20px;
  text-align:center;
}
.asset-placeholder strong{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
}
.asset-placeholder span{
  font-size:13px;
  color:var(--ink-2);
}
.asset-empty{
  display:none;
  padding:56px 20px;
  text-align:center;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
}
.asset-empty.is-visible{display:block;}
.asset-empty .dots{
  display:flex;
  justify-content:center;
  gap:8px;
  margin-bottom:14px;
}
.asset-empty .dots i{
  width:10px;height:10px;border-radius:50%;background:var(--bean);display:block;
}
.asset-empty .dots i:nth-child(2){opacity:.6;}
.asset-empty .dots i:nth-child(3){opacity:.3;}
.asset-empty p{color:var(--ink-2);font-size:15px;}

/* ---------- 使用提示 ---------- */
.usage-section{
  padding:64px 0 0;
  scroll-margin-top:calc(var(--sticky-h) + 16px);
}
.usage-list{
  display:grid;
  gap:14px;
  margin-top:8px;
}
.usage-item{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:22px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.usage-item:hover{
  box-shadow:var(--shadow-hover);
  border-color:rgba(232,163,23,.40);
}
.usage-item .num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  font-weight:700;
  color:var(--bean-dark);
  background:var(--bean-soft);
  border-radius:8px;
  padding:4px 10px;
  flex:none;
}
.usage-item h3{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:4px;
}
.usage-item p{
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.8;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:72px;
  position:relative;
  background-color:var(--dark);
  background-image:
    linear-gradient(rgba(42,28,18,.74),rgba(42,28,18,.74)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  scroll-margin-top:calc(var(--sticky-h) + 16px);
}
.cta-band__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:56px 0;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:10px;
}
.cta-band p{
  font-size:15px;
  color:rgba(246,238,223,.80);
  max-width:560px;
}
.cta-band__actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.cta-band .btn--ghost{
  border-color:rgba(246,238,223,.55);
  color:var(--on-dark);
}
.cta-band .btn--ghost:hover{
  background:rgba(246,238,223,.14);
  border-color:rgba(246,238,223,.85);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  background:var(--dark);
  color:var(--on-dark);
}
.footer-banner{
  position:relative;
  background-color:var(--dark);
  background-image:
    linear-gradient(rgba(42,28,18,.76),rgba(42,28,18,.76)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(246,238,223,.16);
}
.footer-banner-inner{
  max-width:1180px;
  margin:0 auto;
  padding:36px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.footer-banner h3{
  font-size:20px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:6px;
}
.footer-banner p{
  font-size:14px;
  color:rgba(246,238,223,.78);
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:56px 0 40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:var(--on-dark);
  margin-bottom:14px;
}
.footer-brand .brand-dot{width:26px;height:26px;}
.footer-col--brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(246,238,223,.72);
  max-width:340px;
}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  color:var(--on-dark);
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col ul a{
  font-size:14px;
  color:rgba(246,238,223,.74);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col ul a:hover{color:var(--bean);padding-left:4px;}
.footer-note{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.75;
  color:rgba(246,238,223,.55);
}
.footer-bottom{
  border-top:1px solid rgba(246,238,223,.16);
  padding:18px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(246,238,223,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 20px;}
  :root{--gap:20px;}
  .cat-hero h1{font-size:36px;}
  .cat-hero__panel{
    grid-template-columns:1fr;
    padding:28px;
    gap:24px;
  }
  .cat-hero__collage{
    grid-template-columns:repeat(3,1fr);
    grid-auto-rows:104px;
  }
  .cat-hero__collage figure:first-child{grid-row:span 1;}
  .asset-wall{column-count:2;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-col--brand{grid-column:1 / -1;}
  .section-title{font-size:27px;}
  .usage-section{padding-top:52px;}
}

@media (max-width:640px){
  :root{--gap:14px;--sticky-h:56px;}
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 16px;}
  .top-bar{
    flex-wrap:wrap;
    gap:10px;
    min-height:56px;
    padding:10px 0;
  }
  .brand{font-size:17px;}
  .brand-dot{width:24px;height:24px;}
  .search-form{
    order:3;
    flex:1 1 100%;
    max-width:none;
    margin:0;
  }
  .search-form input{height:40px;}
  .top-actions{gap:10px;}
  .btn--sm{min-height:44px;padding:0 14px;}
  .login-link{font-size:14px;}
  .channel-bar-wrap{
    position:sticky;
    top:0;
    z-index:60;
    background:linear-gradient(#fff 0%,#fff 68%,rgba(255,255,255,.94) 100%);
    border-bottom:1px solid var(--line);
  }
  .channel-bar{height:52px;}
  .crumbs{padding-top:14px;font-size:12.5px;}
  .cat-hero{padding-top:18px;}
  .cat-hero__panel{padding:22px 18px;border-radius:14px;}
  .cat-hero h1{font-size:30px;line-height:1.28;margin:12px 0 14px;}
  .cat-hero .lede{font-size:15px;}
  .cat-hero__actions .btn{flex:1 1 100%;}
  .cat-hero__collage{grid-template-columns:1fr 1fr;grid-auto-rows:92px;}
  .cat-hero__collage figure:first-child{grid-column:1 / -1;grid-row:span 1;}
  .section-title{font-size:23px;padding-left:14px;}
  .section-title::before{height:22px;width:4px;}
  .section-head{margin-bottom:20px;}
  .asset-section{padding-top:40px;}
  .asset-wall{column-count:1;}
  .asset-card__overlay{
    opacity:1;
    transform:none;
    padding:30px 14px 12px;
  }
  .asset-card__link:hover .asset-card__media img{transform:none;}
  .asset-section,
  .cat-hero,
  .usage-section,
  .cta-band{scroll-margin-top:calc(var(--sticky-h) + 12px);}
  .usage-section{padding-top:44px;}
  .usage-item{padding:18px 16px;gap:12px;}
  .usage-item h3{font-size:16px;}
  .usage-item p{font-size:14px;}
  .cta-band{margin-top:48px;}
  .cta-band__inner{padding:40px 0;gap:20px;}
  .cta-band h2{font-size:23px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .footer-banner-inner{padding:28px 16px;gap:16px;}
  .footer-banner h3{font-size:18px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px;padding:36px 0 28px;}
  .footer-bottom{flex-direction:column;gap:8px;padding:16px 0 22px;}
}

@media (min-width:1440px){
  .container{padding:0 40px;}
}

/* roulang page: category5 */
:root{
  --bean:#E8A317;
  --bean-deep:#C9820C;
  --bean-soft:#FDEFC9;
  --cinnabar:#E0522B;
  --cinnabar-deep:#C13F1B;
  --pea:#6F9A4E;
  --ink-brown:#2A1C12;
  --cream:#FBF5EA;
  --card:#FFFFFF;
  --sub:#F4EAD8;
  --line:#E6D9C4;
  --ink:#241A12;
  --ink-2:#4A3A2C;
  --ink-3:#857466;
  --star:#F2B705;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --r-img:10px;
  --shadow-1:0 2px 0 rgba(60,40,20,.06);
  --shadow-2:0 10px 24px rgba(60,40,20,.12);
  --shadow-3:0 18px 40px rgba(60,40,20,.16);
  --sticky-h:52px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--bean);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1180px;
  margin-inline:auto;
  padding-inline:24px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:relative;
  z-index:40;
  background:rgba(251,245,234,.96);
  border-bottom:1px solid var(--line);
}
.top-bar{
  min-height:64px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
  transition:color .18s ease;
}
.brand:hover{color:var(--bean-deep);}
.brand-dot{
  width:28px;
  height:28px;
  flex:0 0 28px;
  border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,.85) 0 22%, transparent 24%),
    radial-gradient(circle at 22% 30%, rgba(255,255,255,.55) 0 12%, transparent 14%),
    linear-gradient(140deg,var(--bean) 0%,var(--bean-deep) 100%);
  box-shadow:inset 0 0 0 1px rgba(42,28,18,.12);
}
.search-form{
  flex:1 1 auto;
  max-width:320px;
  margin-inline:auto;
}
.search-form input{
  width:100%;
  height:40px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{
  outline:none;
  border-color:var(--bean);
  box-shadow:0 0 0 3px rgba(232,163,23,.18);
}
.top-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.login-link{
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  padding:8px 4px;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.login-link:hover{color:var(--bean-deep);border-bottom-color:var(--bean);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn--primary{background:var(--cinnabar);color:#fff;box-shadow:0 4px 12px rgba(224,82,43,.22);}
.btn--primary:hover{background:var(--cinnabar-deep);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink-brown);}
.btn--ghost:hover{background:var(--sub);}
.btn--brand{background:var(--bean);color:var(--ink-brown);}
.btn--brand:hover{background:var(--bean-deep);color:#fff;}
.btn--onDark{border-color:rgba(246,238,223,.45);color:#F6EEDF;background:transparent;}
.btn--onDark:hover{background:rgba(246,238,223,.12);border-color:#F6EEDF;}

.channel-bar-wrap{
  background:linear-gradient(to bottom,rgba(251,245,234,.98),rgba(251,245,234,.92));
  border-top:1px solid rgba(230,217,196,.6);
}
.channel-bar{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-snap-type:x proximity;
  padding-block:6px;
}
.channel-bar::-webkit-scrollbar{display:none;}
.channel-tab{
  flex:0 0 auto;
  scroll-snap-align:center;
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  transition:background .18s ease,color .18s ease;
}
.channel-tab:hover{background:var(--bean-soft);color:var(--ink);}
.channel-tab.is-active{
  background:var(--bean);
  color:var(--ink-brown);
  font-weight:800;
}
.channel-tab.is-active::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--ink-brown);
  margin-right:8px;
}

/* ---------- Breadcrumb ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:20px 0;
  font-size:13.5px;
  color:var(--ink-3);
}
.crumbs a{color:var(--ink-2);font-weight:600;transition:color .18s ease;}
.crumbs a:hover{color:var(--bean-deep);}
.crumbs .sep{width:5px;height:5px;border-radius:50%;background:var(--bean);display:inline-block;}
.crumbs .now{color:var(--ink);font-weight:700;}

/* ---------- Hero ---------- */
.guide-hero{
  padding-block:36px 0;
  scroll-margin-top:calc(var(--sticky-h) + 12px);
}
.hero-panel{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  box-shadow:var(--shadow-1);
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:0;
}
.hero-copy{
  padding:44px 40px;
  position:relative;
  z-index:2;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--bean-soft);
  color:var(--bean-deep);
  font-size:12px;
  font-weight:800;
  letter-spacing:.4px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;background:var(--bean);
}
.guide-hero h1{
  margin-top:18px;
  font-size:44px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.5px;
}
.guide-hero h1 strong{
  font-weight:800;
  color:var(--ink);
  background-image:linear-gradient(transparent 72%,rgba(232,163,23,.85) 72%,rgba(232,163,23,.85) 100%);
  background-repeat:no-repeat;
  background-size:100% 100%;
  padding-bottom:4px;
}
.hero-lead{
  margin-top:18px;
  max-width:34em;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 13px;
  border-radius:var(--r-pill);
  background:var(--bean-soft);
  color:var(--bean-deep);
  font-size:12px;
  font-weight:700;
  line-height:1.4;
}
.tag--pea{background:rgba(111,154,78,.14);color:#537A37;}
.tag--hot{background:var(--cinnabar);color:#fff;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-figure{
  position:relative;
  min-height:340px;
  background:
    radial-gradient(circle at 20% 20%, rgba(232,163,23,.32) 0 8%, transparent 9%),
    radial-gradient(circle at 78% 68%, rgba(232,163,23,.26) 0 6%, transparent 7%),
    linear-gradient(150deg,#F4EAD8 0%,#E9D6B6 100%);
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(42,28,18,.12),rgba(42,28,18,.52));
  pointer-events:none;
}
.hero-figure img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:1;
}
.hero-figure img.is-broken{display:none;}
.hero-figure-cap{
  position:absolute;
  z-index:3;
  left:24px;
  right:24px;
  bottom:22px;
  color:#F6EEDF;
  font-size:13.5px;
  line-height:1.7;
  text-shadow:0 1px 6px rgba(42,28,18,.6);
}
.hero-figure-cap strong{
  display:block;
  font-size:15px;
  font-weight:800;
  margin-bottom:2px;
}
.metric-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin-top:20px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.metric{
  background:var(--card);
  padding:18px 20px;
}
.metric-label{
  display:block;
  font-size:12.5px;
  color:var(--ink-3);
  font-weight:600;
}
.metric-value{
  display:block;
  margin-top:6px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:19px;
  font-weight:700;
  color:var(--ink);
}
.metric-value em{
  font-style:normal;
  font-size:12.5px;
  color:var(--ink-3);
  margin-left:4px;
  font-family:var(--font-cn);
}
.metric-value.star{color:var(--star);}

/* ---------- Section base ---------- */
.section{
  padding-block:88px 0;
  scroll-margin-top:calc(var(--sticky-h) + 16px);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:32px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:4px;
  border-radius:2px;
  background:var(--bean);
}
.section-sub{
  margin-top:10px;
  padding-left:16px;
  font-size:15px;
  color:var(--ink-2);
  max-width:46em;
}
.link-more{
  flex:0 0 auto;
  font-size:14.5px;
  font-weight:700;
  color:var(--ink);
  border-bottom:3px solid var(--bean);
  padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.link-more:hover{color:var(--cinnabar);border-bottom-color:var(--cinnabar);}

/* ---------- Step blocks ---------- */
.step-list{
  display:flex;
  flex-direction:column;
  gap:28px;
}
.step{
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:stretch;
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.step:hover{
  transform:translateY(-2px);
  border-color:rgba(232,163,23,.4);
  box-shadow:var(--shadow-2);
}
.step-media{
  position:relative;
  min-height:300px;
  background:
    radial-gradient(circle at 28% 26%, rgba(232,163,23,.35) 0 7%, transparent 8%),
    radial-gradient(circle at 70% 74%, rgba(232,163,23,.28) 0 5%, transparent 6%),
    linear-gradient(150deg,#F4EAD8 0%,#E4CFA9 100%);
}
.step-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.step-media img.is-broken{display:none;}
.step-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(42,28,18,0),rgba(42,28,18,.42));
}
.step-index{
  position:absolute;
  z-index:2;
  left:20px;
  top:20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--bean);
  color:var(--ink-brown);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:17px;
  font-weight:800;
  box-shadow:0 6px 18px rgba(60,40,20,.22);
}
.step-body{
  padding:34px 36px 30px;
  display:flex;
  flex-direction:column;
}
.step-body h3{
  font-size:22px;
  line-height:1.4;
  font-weight:700;
}
.step-body p{
  margin-top:12px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
}
.point-list{
  margin-top:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.point-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-2);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--bean);
}
.step-warn{
  margin-top:20px;
  padding:12px 16px;
  border-left:4px solid var(--bean);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  background:var(--bean-soft);
  font-size:13.5px;
  line-height:1.75;
  color:var(--ink-2);
}
.step-warn strong{color:var(--ink);}
.step-foot{
  margin-top:auto;
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
}
.step--reverse .step-media{order:2;}

/* ---------- Rhythm strip (dark) ---------- */
.rhythm{
  margin-top:88px;
  position:relative;
  overflow:hidden;
  background:var(--ink-brown);
  color:#F6EEDF;
  border-radius:var(--r-card);
  padding:48px 44px;
  scroll-margin-top:calc(var(--sticky-h) + 16px);
}
.rhythm::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.20;
  mix-blend-mode:luminosity;
}
.rhythm > *{position:relative;z-index:2;}
.rhythm h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
}
.rhythm h2::after{
  content:"";
  display:block;
  width:48px;
  height:4px;
  border-radius:2px;
  background:var(--bean);
  margin-top:14px;
}
.rhythm-grid{
  margin-top:30px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.rhythm-card{
  padding:22px;
  border-radius:var(--r-card);
  border:1px solid rgba(246,238,223,.2);
  background:rgba(246,238,223,.06);
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.rhythm-card:hover{
  background:rgba(246,238,223,.12);
  border-color:rgba(232,163,23,.6);
  transform:translateY(-2px);
}
.rhythm-card .k{
  display:inline-block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:700;
  color:var(--ink-brown);
  background:var(--bean);
  border-radius:var(--r-pill);
  padding:2px 10px;
}
.rhythm-card h3{
  margin-top:14px;
  font-size:17px;
  font-weight:700;
  color:#F6EEDF;
}
.rhythm-card p{
  margin-top:8px;
  font-size:14px;
  line-height:1.8;
  color:rgba(246,238,223,.78);
}

/* ---------- FAQ ---------- */
.faq{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-item summary{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 24px 22px 24px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  cursor:pointer;
  list-style:none;
  transition:background .18s ease,color .18s ease,padding .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:var(--bean);
  transform:scaleY(0);
  transition:transform .2s ease;
  transform-origin:top;
}
.faq-item summary:hover{background:var(--cream);}
.faq-item summary .ico{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-num);
  font-size:16px;
  font-weight:700;
  color:var(--bean-deep);
  transition:transform .2s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.faq-item[open] summary{
  font-weight:800;
  color:var(--ink);
  padding-left:28px;
  background:var(--cream);
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item[open] summary .ico{
  transform:rotate(45deg);
  background:var(--bean);
  color:var(--ink-brown);
  border-color:var(--bean);
}
.faq-answer{
  padding:0 24px 24px 28px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-answer p + p{margin-top:12px;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:88px;
  position:relative;
  overflow:hidden;
  border-radius:var(--r-card);
  background:var(--ink-brown);
  color:#F6EEDF;
  padding:56px 44px;
  scroll-margin-top:calc(var(--sticky-h) + 16px);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  opacity:.30;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(42,28,18,.9),rgba(42,28,18,.55));
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-inner h2{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
}
.cta-inner p{
  margin-top:10px;
  font-size:15px;
  color:rgba(246,238,223,.82);
  max-width:36em;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--ink-brown);
  color:#F6EEDF;
}
.footer-banner{
  position:relative;
  overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.footer-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(42,28,18,.86),rgba(42,28,18,.6));
}
.footer-banner-inner{
  position:relative;
  z-index:2;
  max-width:1180px;
  margin-inline:auto;
  padding:40px 24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.footer-banner-inner h3{
  font-size:22px;
  font-weight:800;
  line-height:1.4;
}
.footer-banner-inner p{
  margin-top:8px;
  font-size:14px;
  color:rgba(246,238,223,.8);
}
.site-footer .container{padding-top:56px;}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#F6EEDF;
  transition:color .18s ease;
}
.footer-brand:hover{color:var(--bean);}
.footer-col--brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(246,238,223,.72);
  max-width:30em;
}
.footer-col h3{
  font-size:15px;
  font-weight:800;
  color:#F6EEDF;
  margin-bottom:16px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-col ul a{
  font-size:14px;
  color:rgba(246,238,223,.75);
  transition:color .18s ease;
}
.footer-col ul a:hover{color:var(--bean);}
.footer-note{
  margin-top:16px;
  font-size:12.5px;
  line-height:1.8;
  color:rgba(246,238,223,.52);
}
.footer-bottom{
  border-top:1px solid rgba(246,238,223,.16);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12.5px;
  color:rgba(246,238,223,.55);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .container{padding-inline:20px;}
  .top-bar{flex-wrap:wrap;gap:14px;padding-block:10px;}
  .search-form{order:3;flex:1 1 100%;max-width:none;margin-inline:0;}
  .hero-panel{grid-template-columns:1fr;}
  .hero-copy{padding:34px 28px;}
  .guide-hero h1{font-size:36px;}
  .hero-figure{min-height:260px;}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .section{padding-block:64px 0;}
  .section-title{font-size:27px;}
  .step{grid-template-columns:1fr;}
  .step-media{min-height:240px;}
  .step--reverse .step-media{order:0;}
  .step-body{padding:28px 26px 26px;}
  .rhythm{margin-top:64px;padding:38px 28px;}
  .rhythm-grid{grid-template-columns:1fr 1fr;}
  .cta-band{margin-top:64px;padding:44px 28px;}
  .cta-inner h2{font-size:26px;}
  .site-footer{margin-top:64px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-col--brand{grid-column:1 / -1;}
}
@media (max-width:640px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding-inline:16px;}
  .brand{font-size:17px;}
  .brand-dot{width:24px;height:24px;flex-basis:24px;}
  .top-actions .btn{min-height:40px;padding:0 14px;font-size:13.5px;}
  .login-link{font-size:13.5px;}
  .channel-bar-wrap{position:sticky;top:0;z-index:35;background:#FBF5EA;border-bottom:1px solid var(--line);}
  .channel-bar{min-height:var(--sticky-h);}
  .channel-tab{font-size:13.5px;padding:0 13px;min-height:36px;}
  .crumbs{padding-top:15px;font-size:12.5px;}
  .guide-hero{padding-top:22px;}
  .hero-copy{padding:26px 20px;}
  .guide-hero h1{font-size:30px;line-height:1.28;}
  .hero-lead{font-size:15px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-figure{min-height:210px;}
  .hero-figure-cap{left:16px;right:16px;bottom:16px;font-size:12.5px;}
  .metric-strip{grid-template-columns:1fr 1fr;}
  .metric{padding:14px 16px;}
  .metric-value{font-size:17px;}
  .section{padding-block:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-title{font-size:23px;padding-left:14px;}
  .section-sub{padding-left:14px;font-size:14px;}
  .step-media{min-height:200px;}
  .step-index{width:38px;height:38px;font-size:15px;left:14px;top:14px;}
  .step-body{padding:22px 18px 22px;}
  .step-body h3{font-size:19px;}
  .step-body p{font-size:14.5px;}
  .point-list li{font-size:13.5px;}
  .step-foot .btn{flex:1 1 auto;}
  .rhythm{margin-top:48px;padding:28px 20px;border-radius:var(--r-card);}
  .rhythm h2{font-size:22px;}
  .rhythm-grid{grid-template-columns:1fr;gap:14px;}
  .faq-item summary{font-size:15px;padding:18px 18px;}
  .faq-item[open] summary{padding-left:22px;}
  .faq-answer{padding:0 18px 20px 22px;font-size:14.5px;}
  .cta-band{margin-top:48px;padding:32px 20px;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{margin-top:48px;}
  .site-footer .container{padding-top:40px;}
  .footer-banner-inner{padding:28px 16px;}
  .footer-banner-inner h3{font-size:18px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}