/* roulang page: index */
:root{
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC","STSong",serif;
  --ink:#16121A;
  --ink-soft:#2A242E;
  --crimson:#E0566B;
  --crimson-deep:#C4455A;
  --lotus:#B98AA6;
  --amber:#D98A5F;
  --moon:#F6F2ED;
  --moon-2:#FBF8F4;
  --deep:#100D14;
  --text:#1E1A20;
  --muted:#6F6673;
  --border:#E7DED6;
  --border-dark:rgba(255,255,255,.08);
  --radius-xl:22px;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(22,18,26,.04),0 8px 20px -14px rgba(22,18,26,.22);
  --shadow-2:0 2px 6px rgba(22,18,26,.05),0 22px 44px -26px rgba(22,18,26,.32);
  --sec-py:108px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--moon);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);color:var(--ink);line-height:1.2;font-weight:700;letter-spacing:-.01em}
p{margin:0}
::selection{background:rgba(224,86,107,.2)}
:focus-visible{outline:2px solid var(--lotus);outline-offset:3px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}

.shell{width:100%;max-width:1232px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-py) 0}
.section--tight{padding:76px 0}
.section--moon2{background:var(--moon-2)}
.section--ink{background:var(--deep);color:#CFC7CC}
.section--ink h2,.section--ink h3{color:#F6F2ED}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px 6px 10px;border-radius:999px;
  background:rgba(185,138,166,.14);
  border:1px solid rgba(185,138,166,.3);
  color:#8E5F7C;font-size:13.5px;font-weight:600;letter-spacing:.02em;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--crimson);box-shadow:0 0 0 4px rgba(224,86,107,.16)}

.sec-head{max-width:680px;margin-bottom:48px}
.sec-head h2{font-size:clamp(1.7rem,2.6vw,2.15rem);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{
  display:inline-block;margin-bottom:14px;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--crimson);text-transform:uppercase;
}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(246,242,237,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom-color:var(--border);
  box-shadow:0 10px 30px -24px rgba(22,18,26,.6);
}
.nav-inner{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));align-items:center;height:var(--nav-h);gap:12px}
.brand{grid-column:span 3;display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:linear-gradient(140deg,var(--crimson),var(--lotus));
  color:#fff;display:grid;place-items:center;
  font-family:var(--font-serif);font-size:17px;font-weight:700;
  box-shadow:0 8px 18px -10px rgba(224,86,107,.95);
}
.brand-text{font-family:var(--font-serif);font-size:17.5px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.brand-text em{font-style:normal;color:var(--crimson)}
.nav-links{grid-column:span 5;display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;padding:8px 13px;border-radius:10px;
  font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(185,138,166,.13)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;background:var(--crimson);
}
.nav-actions{grid-column:span 4;display:flex;align-items:center;justify-content:flex-end;gap:10px}
.nav-quiet{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:10px;
  font-size:14.5px;color:var(--muted);border:1px solid transparent;
}
.nav-quiet:hover{color:var(--crimson);border-color:rgba(224,86,107,.3);background:rgba(224,86,107,.06)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

.mobile-drawer{
  position:fixed;top:var(--nav-h);left:0;right:0;z-index:79;
  background:rgba(251,248,244,.98);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  padding:10px 24px 22px;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:transform .28s ease,opacity .28s ease,visibility .28s;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--border);
}
.drawer-link:last-of-type{border-bottom:0}
.drawer-link.is-active{color:var(--crimson);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:12px;
  font-size:15.5px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--crimson);color:#fff;box-shadow:0 14px 28px -18px rgba(224,86,107,1)}
.btn-primary:hover{background:var(--crimson-deep);transform:translateY(-1px);box-shadow:0 18px 32px -18px rgba(224,86,107,1)}
.btn-outline{background:transparent;border-color:var(--border);color:var(--ink)}
.btn-outline:hover{border-color:var(--crimson);color:var(--crimson);transform:translateY(-1px);background:rgba(224,86,107,.05)}
.btn-light{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-light:hover{border-color:var(--crimson);color:var(--crimson);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);padding:0 6px;min-height:44px;position:relative}
.btn-ghost::after{content:"";position:absolute;left:6px;right:6px;bottom:8px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:calc(var(--nav-h) + 56px);padding-bottom:84px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center right;
  opacity:.5;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(246,242,237,.97) 0%,rgba(246,242,237,.9) 46%,rgba(246,242,237,.62) 100%);
}
.hero-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:40px;align-items:center}
.hero-copy{grid-column:span 7}
.hero-title{
  font-size:clamp(2.3rem,4.6vw,3.5rem);
  line-height:1.12;letter-spacing:-.02em;margin:22px 0 18px;
}
.hero-title em{font-style:normal;color:var(--crimson)}
.hero-sub{max-width:520px;color:var(--muted);font-size:17px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.hero-meta li{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.8);border:1px solid var(--border);
  font-size:13.5px;color:var(--muted);
}
.hero-meta li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lotus)}

.hero-visual{grid-column:span 5;position:relative;padding:18px 8px}
.hero-frame{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.7);
  background:#fff;box-shadow:0 40px 70px -48px rgba(22,18,26,.7),0 2px 6px rgba(22,18,26,.05);
}
.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(22,18,26,0) 55%,rgba(22,18,26,.32) 100%);
}
.float-card{
  position:absolute;background:rgba(255,255,255,.96);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:12px 15px;box-shadow:var(--shadow-2);min-width:112px;
}
.float-card .fc-label{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.float-card .fc-value{display:block;font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink)}
.float-a{left:-6px;top:44px}
.float-b{right:-2px;bottom:34px}
.float-c{
  left:38%;bottom:-14px;background:var(--deep);border-color:rgba(255,255,255,.1);
}
.float-c .fc-label{color:rgba(246,242,237,.6)}
.float-c .fc-value{color:#F6F2ED;font-size:16px}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(224,86,107,.35);box-shadow:var(--shadow-2)}
.card-pad{padding:30px 30px 32px}
.card h3{font-size:1.28rem;margin-bottom:12px}
.card p{color:var(--muted);font-size:15.5px}
.bento-a{grid-column:span 7}
.bento-b{grid-column:span 5}
.bento-c{grid-column:span 5}
.bento-d{grid-column:span 7}
.bento-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.card:hover .bento-media img{transform:scale(1.035)}
.bento-body{padding:26px 28px 30px}
.bento-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  font-size:19px;font-family:var(--font-serif);font-weight:700;
  background:rgba(224,86,107,.1);color:var(--crimson);margin-bottom:18px;
}
.bento-icon--lotus{background:rgba(185,138,166,.16);color:#8E5F7C}
.bento-icon--amber{background:rgba(217,138,95,.14);color:#B26B3F}
.bento-list{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:13px;color:#7A5568;background:rgba(185,138,166,.13);border:1px solid rgba(185,138,166,.24);
}

/* ---------- 轮播 ---------- */
.carousel{position:relative}
.carousel-window{overflow:hidden;border-radius:var(--radius-xl);border:1px solid var(--border);background:#fff;box-shadow:var(--shadow-1)}
.carousel-track{display:flex;transition:transform .5s cubic-bezier(.4,0,.2,1);touch-action:pan-y}
.carousel-slide{min-width:100%;position:relative}
.carousel-slide img{width:100%;aspect-ratio:16/9;object-fit:cover}
.slide-caption{
  padding:20px 26px 24px;display:flex;align-items:flex-start;gap:14px;
  border-top:1px solid var(--border);
}
.slide-caption .idx{
  font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--crimson);
  padding-top:2px;font-variant-numeric:tabular-nums;
}
.slide-caption h3{font-size:1.1rem;margin-bottom:6px}
.slide-caption p{color:var(--muted);font-size:14.8px}
.carousel-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:22px}
.carousel-dots{display:flex;gap:8px}
.carousel-dots button{
  width:26px;height:4px;border-radius:999px;background:rgba(22,18,26,.14);
  transition:background .25s ease,width .25s ease;
}
.carousel-dots button.is-active{background:var(--crimson);width:40px}
.carousel-arrows{display:flex;gap:10px}
.arrow-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;
  display:grid;place-items:center;color:var(--ink);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.arrow-btn:hover{border-color:var(--crimson);color:var(--crimson);transform:translateY(-1px)}

/* ---------- 系统要求 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.spec-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.spec-card:hover{transform:translateY(-2px);border-color:rgba(224,86,107,.35);box-shadow:var(--shadow-2)}
.spec-card .spec-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.spec-card .spec-name{font-family:var(--font-serif);font-size:1.1rem;font-weight:700;color:var(--ink)}
.spec-card .spec-ver{font-size:12.5px;color:var(--crimson);background:rgba(224,86,107,.09);padding:4px 10px;border-radius:999px}
.spec-list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed var(--border);font-size:14.6px;
}
.spec-list li:last-child{border-bottom:0}
.spec-list .k{color:var(--muted)}
.spec-list .v{color:var(--ink);font-weight:600;text-align:right}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}
.review-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.review-card:hover{transform:translateY(-2px);border-color:rgba(224,86,107,.35);box-shadow:var(--shadow-2)}
.review-card:nth-child(3n+2){margin-top:26px}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.avatar{
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;
  display:grid;place-items:center;font-family:var(--font-serif);font-weight:700;font-size:16px;color:#fff;
  background:linear-gradient(140deg,var(--lotus),var(--crimson));
}
.review-name{font-size:15px;font-weight:600;color:var(--ink)}
.review-date{font-size:12.5px;color:var(--muted)}
.stars{color:var(--amber);letter-spacing:2px;font-size:13px;margin-bottom:10px}
.review-card p{color:var(--ink-soft);font-size:15px}

/* ---------- 下载 CTA ---------- */
.download-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:var(--deep);color:#CFC7CC;padding:64px 56px;
}
.download-panel::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;opacity:.26;
}
.download-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,13,20,.94) 0%,rgba(16,13,20,.8) 58%,rgba(16,13,20,.5) 100%);
}
.download-inner{position:relative;z-index:2;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:36px;align-items:center}
.download-copy{grid-column:span 7}
.download-copy h2{color:#F6F2ED;font-size:clamp(1.7rem,2.7vw,2.2rem);margin-bottom:14px}
.download-copy p{color:rgba(246,242,237,.72);font-size:16px;max-width:520px;margin-bottom:28px}
.download-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.btn-onDark{background:var(--crimson);color:#fff}
.btn-onDark:hover{background:var(--crimson-deep);transform:translateY(-1px)}
.btn-onDark-ghost{background:transparent;border-color:rgba(246,242,237,.28);color:#F6F2ED}
.btn-onDark-ghost:hover{border-color:var(--crimson);color:#fff;transform:translateY(-1px)}
.download-note{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:rgba(246,242,237,.55)}
.download-side{grid-column:span 5;display:flex;justify-content:flex-end}
.qr-box{
  background:rgba(255,255,255,.06);border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);padding:22px;text-align:center;backdrop-filter:blur(6px);
}
.qr-box img{width:132px;height:132px;border-radius:12px;object-fit:cover;margin:0 auto 14px}
.qr-box span{font-size:13.5px;color:rgba(246,242,237,.7)}

/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(224,86,107,.35);box-shadow:var(--shadow-2)}
.post-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.badge{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#8E5F7C;
  background:rgba(185,138,166,.14);border:1px solid rgba(185,138,166,.24);
}
.post-time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.post-card h3{font-size:1.06rem;line-height:1.45;margin-bottom:10px}
.post-card h3 a:hover{color:var(--crimson)}
.post-card p{color:var(--muted);font-size:14.6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-more{
  margin-top:auto;padding-top:18px;font-size:14px;font-weight:600;color:var(--crimson);
  display:inline-flex;align-items:center;gap:6px;
}
.post-more::after{content:"→";transition:transform .25s ease}
.post-card:hover .post-more::after{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  border:1px dashed var(--border);border-radius:var(--radius-lg);
  background:#fff;color:var(--muted);font-size:15.5px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-family:var(--font-serif);
  font-size:17.5px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--crimson)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;position:relative;
  border:1px solid var(--border);transition:background .25s ease,border-color .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,background .25s ease;
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px}
.faq-item.is-open .faq-icon{background:var(--crimson);border-color:var(--crimson)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .3s ease,opacity .25s ease,padding .25s ease}
.faq-item.is-open .faq-a{max-height:340px;opacity:1}
.faq-a p{padding:0 44px 24px 4px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(246,242,237,.62);padding:76px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:32px;padding-bottom:52px;border-bottom:1px solid var(--border-dark)}
.footer-brand{grid-column:span 4}
.footer-brand .brand-text{color:#F6F2ED;font-size:19px}
.footer-brand p{margin-top:18px;font-size:14.6px;max-width:320px;line-height:1.8}
.footer-col{grid-column:span 2}
.footer-col:last-child{grid-column:span 4}
.footer-col h4{color:#F6F2ED;font-size:15px;margin-bottom:18px;font-family:var(--font-sans);font-weight:600;letter-spacing:.02em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.4px;color:rgba(246,242,237,.62)}
.footer-col a:hover{color:var(--crimson)}
.footer-bottom{padding-top:26px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13.4px;color:rgba(246,242,237,.45)}
.footer-bottom a{color:rgba(246,242,237,.55)}
.footer-bottom a:hover{color:var(--crimson)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-grid{gap:32px}
  .bento-a,.bento-d{grid-column:span 6}
  .bento-b,.bento-c{grid-column:span 6}
}
@media (max-width:1024px){
  :root{--sec-py:76px}
  .nav-links{display:none}
  .brand{grid-column:span 6}
  .nav-actions{grid-column:span 6}
  .nav-quiet{display:none}
  .menu-toggle{display:inline-flex}
  .hero{padding-top:calc(var(--nav-h) + 40px)}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy,.hero-visual{grid-column:span 1}
  .hero-sub{max-width:100%}
  .hero-visual{padding:0}
  .float-a{left:0;top:20px}
  .float-b{right:0;bottom:20px}
  .float-c{display:none}
  .spec-grid,.review-grid,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .review-card:nth-child(3n+2){margin-top:0}
  .review-card:nth-child(2n){margin-top:22px}
  .download-panel{padding:52px 36px}
  .download-inner{grid-template-columns:1fr;gap:30px}
  .download-copy,.download-side{grid-column:span 1}
  .download-side{justify-content:flex-start}
  .footer-brand{grid-column:span 12}
  .footer-col{grid-column:span 4}
  .footer-col:last-child{grid-column:span 12}
}
@media (max-width:768px){
  :root{--sec-py:58px}
  body{font-size:16px}
  .shell{padding:0 18px}
  .hero{padding-bottom:56px}
  .hero-title{font-size:clamp(2rem,7.6vw,2.5rem)}
  .hero-actions .btn{flex:1 1 auto}
  .bento{grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 6}
  .spec-grid,.review-grid,.post-grid{grid-template-columns:1fr;gap:16px}
  .review-card:nth-child(2n){margin-top:0}
  .sec-head{margin-bottom:32px}
  .card-pad{padding:24px 22px 26px}
  .bento-body{padding:22px 22px 26px}
  .download-panel{padding:40px 22px;border-radius:var(--radius-lg)}
  .download-actions .btn{flex:1 1 auto}
  .slide-caption{padding:16px 18px 20px;flex-direction:column;gap:8px}
  .faq-a p{padding-right:16px}
  .footer-grid{gap:24px}
  .footer-col,.footer-col:last-child{grid-column:span 12}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-meta li{font-size:13px;padding:5px 11px}
  .float-card{padding:10px 12px;min-width:96px}
  .float-card .fc-value{font-size:16px}
  .carousel-nav{flex-direction:column;align-items:stretch;gap:14px}
  .carousel-arrows{justify-content:flex-end}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#16121A;
  --ink-deep:#100D14;
  --rose:#E0566B;
  --rose-dark:#C9455A;
  --lilac:#B98AA6;
  --bg:#F6F2ED;
  --surface:#FFFFFF;
  --text:#1E1A20;
  --muted:#6F6673;
  --line:#E7DED6;
  --gold:#D98A5F;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-sm:0 1px 2px rgba(22,18,26,.05),0 12px 26px -20px rgba(22,18,26,.35);
  --shadow-md:0 2px 6px rgba(22,18,26,.06),0 22px 44px -26px rgba(22,18,26,.42);
  --shell:1240px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
img{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--lilac);outline-offset:2px;border-radius:8px}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}
.serif{font-family:var(--serif)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  border-bottom:1px solid transparent;
  background:rgba(246,242,237,.72);
  backdrop-filter:saturate(160%) blur(10px);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(246,242,237,.95);
  border-bottom-color:var(--line);
  box-shadow:0 14px 34px -30px rgba(22,18,26,.7);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:1.06rem;color:var(--ink);letter-spacing:.02em}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(140deg,var(--rose),#A93A4F);color:#fff;font-size:.95rem;
  box-shadow:0 10px 20px -12px rgba(224,86,107,.9);
}
.brand-text em{font-style:normal;color:var(--rose);font-size:.78em;letter-spacing:.16em;margin-left:6px;padding-left:8px;border-left:1px solid var(--line)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;padding:9px 14px;border-radius:10px;font-size:.95rem;color:var(--muted);white-space:nowrap}
.nav-link:hover{color:var(--ink);background:rgba(185,138,166,.14)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--rose)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.7);color:var(--muted);font-size:.95rem;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{color:var(--rose);border-color:rgba(224,86,107,.45);transform:translateY(-1px)}
.menu-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:var(--r-sm);font-size:.95rem;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--rose);color:#fff;box-shadow:0 14px 26px -18px rgba(224,86,107,1)}
.btn-primary:hover{background:var(--rose-dark);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);background:rgba(255,255,255,.72);color:var(--ink)}
.btn-ghost:hover{border-color:rgba(224,86,107,.5);color:var(--rose);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 16px 30px -22px rgba(0,0,0,.9)}
.btn-outline-light{border-color:rgba(255,255,255,.3);color:#fff}
.btn-outline-light:hover{border-color:rgba(255,255,255,.65);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 14px;font-size:.86rem;border-radius:10px}
.search-panel{
  display:none;border-top:1px solid var(--line);background:rgba(255,255,255,.96);
}
.search-panel.is-open{display:block;animation:fadeDown .28s cubic-bezier(.2,.7,.3,1)}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.search-form{display:flex;align-items:center;gap:12px;padding:16px 0}
.search-form input{
  flex:1;border:0;border-bottom:1px solid var(--line);background:transparent;padding:10px 2px;
  font-size:1rem;color:var(--ink);border-radius:0;transition:border-color .2s ease;
}
.search-form input::placeholder{color:#A79EA6}
.search-form input:focus{outline:none;border-bottom-color:var(--rose)}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:rgba(255,255,255,.98);
  padding:12px 0 18px;
}
.mobile-panel.is-open{display:block;animation:fadeDown .28s cubic-bezier(.2,.7,.3,1)}
.mobile-panel .nav-link{display:block;padding:12px 14px;font-size:1rem;border-radius:12px}
.mobile-panel .nav-link.is-active{background:rgba(224,86,107,.08)}
.mobile-panel .nav-link.is-active::after{display:none}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:56px 0 60px;
  background:
    radial-gradient(1100px 460px at 8% -10%, rgba(224,86,107,.14), transparent 62%),
    radial-gradient(900px 420px at 96% 6%, rgba(185,138,166,.2), transparent 60%),
    linear-gradient(180deg,#FDFAF7 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(224,86,107,.18);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.85rem;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--rose)}
.crumbs span.sep{color:#C6BAB4}
.crumb-current{color:var(--ink);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:.78rem;letter-spacing:.06em;color:var(--rose);background:rgba(224,86,107,.1);
  border:1px solid rgba(224,86,107,.22);
}
.article-title{
  font-family:var(--serif);font-size:clamp(1.9rem,4vw,3.1rem);line-height:1.18;letter-spacing:-.02em;
  color:var(--ink);margin:18px 0 0;
}
.article-lead{font-size:1rem;line-height:1.9;color:var(--muted);margin:18px 0 0;max-width:46ch}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:.86rem;color:var(--muted)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--rose);flex:0 0 6px}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md);background:#fff}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(16,13,20,.72);color:rgba(255,255,255,.9);font-size:.78rem;
  padding:8px 12px;border-radius:10px;backdrop-filter:blur(6px);
}

/* ---------- 正文 ---------- */
.article-wrap{padding:72px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:56px;align-items:start}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(24px,4vw,48px);box-shadow:var(--shadow-sm);
}
.article-body{font-size:17px;line-height:1.85;color:var(--text);word-break:break-word;max-width:100%}
.article-body > *:first-child{margin-top:0}
.article-body > *:last-child{margin-bottom:0}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  font-family:var(--serif);font-size:clamp(1.3rem,2.3vw,1.65rem);line-height:1.4;color:var(--ink);
  margin:2.3em 0 .75em;padding-left:16px;position:relative;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--rose),var(--lilac))}
.article-body h3{font-size:1.16rem;line-height:1.55;color:var(--ink);margin:1.9em 0 .55em}
.article-body h4{font-size:1.02rem;color:var(--ink);margin:1.6em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--rose)}
.article-body blockquote{
  margin:1.7em 0;padding:18px 24px;border-left:3px solid var(--rose);
  background:#FBF7F3;border-radius:0 14px 14px 0;color:var(--muted);font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:1.7em auto;box-shadow:var(--shadow-sm)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{text-align:center;font-size:.84rem;color:var(--muted);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:.95rem;margin:1.7em 0;background:#fff;border-radius:14px;overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:#FBF8F4;color:var(--ink);font-weight:600}
.article-body a{color:var(--rose);border-bottom:1px solid rgba(224,86,107,.35)}
.article-body a:hover{color:var(--rose-dark);border-bottom-color:var(--rose-dark)}
.article-body strong{color:var(--ink)}
.article-body code{background:#F2EAE3;padding:2px 6px;border-radius:6px;font-size:.9em}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.empty-state{text-align:center;padding:48px 20px}
.empty-state h2{font-family:var(--serif);font-size:1.4rem;color:var(--ink);margin:0 0 12px}
.empty-state p{color:var(--muted);margin:0 0 24px}

/* 侧栏 */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card + .side-card{margin-top:20px}
.side-card h3{font-family:var(--serif);font-size:1.02rem;color:var(--ink);margin:0 0 14px}
.side-list{display:grid;gap:12px}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted);
  padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.side-list a:last-child{border-bottom:0;padding-bottom:0}
.side-list a:hover{color:var(--rose)}
.side-list .idx{font-family:var(--serif);color:var(--rose);font-size:.85rem;line-height:1.7}
.side-note{font-size:.85rem;color:var(--muted);line-height:1.8;margin:0}
.side-download{
  background:linear-gradient(150deg,var(--ink) 0%,#241C2B 100%);color:rgba(255,255,255,.78);
  border-color:rgba(255,255,255,.08);
}
.side-download h3{color:#fff}
.side-download p{font-size:.86rem;line-height:1.8;margin:0 0 16px;color:rgba(255,255,255,.7)}

/* ---------- 相关推荐 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:640px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.78rem;letter-spacing:.16em;
  color:var(--rose);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--rose);display:inline-block}
.section-title{font-family:var(--serif);font-size:clamp(1.55rem,3vw,2.15rem);line-height:1.25;color:var(--ink);margin:0}
.section-sub{color:var(--muted);margin:14px 0 0;font-size:.98rem;line-height:1.85}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(224,86,107,.32)}
.card-media{overflow:hidden;background:#EFE7E0}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-family:var(--serif);font-size:1.12rem;line-height:1.45;color:var(--ink);margin:0}
.card-body p{font-size:.9rem;color:var(--muted);line-height:1.8;margin:0}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.82rem;color:var(--muted)}
.card-foot .arrow{color:var(--rose);font-weight:600}
.chip{
  align-self:flex-start;font-size:.74rem;letter-spacing:.06em;color:var(--lilac);
  background:rgba(185,138,166,.14);border:1px solid rgba(185,138,166,.28);
  padding:4px 10px;border-radius:999px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;color:#fff;
  background:linear-gradient(140deg,#16121A 0%,#2A1F2E 52%,#3A2230 100%);
  padding:clamp(32px,5vw,60px);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,86,107,.35),transparent 68%);pointer-events:none;
}
.cta-band h2{font-family:var(--serif);font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.3;margin:0 0 14px;color:#fff}
.cta-band p{margin:0;color:rgba(255,255,255,.72);font-size:.96rem;line-height:1.85;max-width:46ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:1}
.cta-note{margin-top:16px;font-size:.8rem;color:rgba(255,255,255,.5)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-text em{color:var(--rose);border-left-color:rgba(255,255,255,.16)}
.footer-brand p{margin-top:16px;font-size:.88rem;line-height:1.85;color:rgba(255,255,255,.58);max-width:34ch}
.footer-col h4{font-family:var(--serif);font-size:.95rem;color:#fff;margin:0 0 14px;letter-spacing:.04em}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:.88rem;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--rose)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.8rem;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--rose)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .menu-toggle{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{order:2}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .shell{padding:0 18px}
  .header-actions .btn-primary{display:none}
  .article-hero{padding:36px 0 44px}
  .article-wrap{padding:48px 0 64px}
  .card-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .crumbs{font-size:.8rem}
  .crumb-current{max-width:100%;white-space:normal}
}
@media (max-width:520px){
  .article-title{font-size:1.7rem}
  .article-card{padding:20px}
  .article-body{font-size:16px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .cta-actions{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --ink:#16121A;
  --ink-deep:#100D14;
  --rose:#E0566B;
  --rose-dark:#C7465A;
  --lotus:#B98AA6;
  --paper:#F6F2ED;
  --paper-soft:#FBF8F4;
  --text:#1E1A20;
  --muted:#6F6673;
  --line:#E7DED6;
  --ochre:#D98A5F;
  --radius-xl:22px;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(22,18,26,.05),0 10px 26px -20px rgba(22,18,26,.38);
  --shadow-md:0 2px 8px rgba(22,18,26,.06),0 22px 46px -28px rgba(22,18,26,.46);
  --font-serif:"Noto Serif SC","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:-.02em;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--lotus);outline-offset:2px;border-radius:6px}

.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section-sm{padding:76px 0}
@media (max-width:1024px){.section{padding:76px 0}.section-sm{padding:60px 0}}
@media (max-width:640px){.section{padding:56px 0}.section-sm{padding:46px 0}.shell{padding:0 18px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(246,242,237,.94);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -26px rgba(22,18,26,.6);
}
.header-inner{
  height:var(--nav-h);
  display:flex;align-items:center;gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--rose),var(--lotus));
  color:#fff;font-family:var(--font-serif);font-size:16px;font-weight:700;
  box-shadow:0 8px 18px -10px rgba(224,86,107,.85);
}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand-text em{font-style:normal;color:var(--rose);margin-left:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-right:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);
  transition:color .22s ease,background .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(185,138,166,.12)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--rose);border-radius:2px;
}
.header-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  border-bottom:1px solid var(--line);
  padding:4px 2px;color:var(--muted);
  transition:border-color .22s ease;
}
.search-box:focus-within{border-bottom-color:var(--rose)}
.search-box svg{width:16px;height:16px;flex:0 0 auto}
.search-box input{
  border:0;background:transparent;outline:none;width:120px;font-size:14px;
}
.search-box input::placeholder{color:#A79FA6}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(246,242,237,.98);backdrop-filter:blur(8px);
  padding:14px 24px 22px;
}
.drawer.is-open{display:block}
.drawer .nav-link{display:block;padding:13px 10px;font-size:16px;border-radius:12px}
.drawer .nav-link.is-active::after{display:none}
.drawer .nav-link.is-active{background:rgba(224,86,107,.1);color:var(--rose-dark)}
@media (max-width:1024px){
  .nav-links{display:none}
  .search-box{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{gap:16px}
}
@media (max-width:640px){
  :root{--nav-h:56px}
  .brand-text{font-size:17px}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--rose);color:#fff;box-shadow:0 14px 30px -18px rgba(224,86,107,.95)}
.btn-primary:hover{background:var(--rose-dark);transform:translateY(-1px);box-shadow:0 18px 34px -18px rgba(199,70,90,.95)}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{border-color:rgba(224,86,107,.5);color:var(--rose-dark);transform:translateY(-1px)}
.btn-ghost{
  padding:8px 4px;min-height:44px;border-radius:8px;color:var(--rose-dark);font-weight:600;
  border-bottom:1px solid rgba(224,86,107,.35);border-radius:0;
}
.btn-ghost:hover{border-bottom-color:var(--rose);color:var(--rose)}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn:active{transform:translateY(0) scale(.99)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ---------- Badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(185,138,166,.16);
  border:1px solid rgba(185,138,166,.32);
  color:#7B4F63;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--rose)}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}
.tag-rose{background:rgba(224,86,107,.1);border-color:rgba(224,86,107,.28);color:var(--rose-dark)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding-top:calc(var(--nav-h) + 62px);
  padding-bottom:88px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(680px 420px at 88% 6%,rgba(185,138,166,.28),transparent 62%),
    radial-gradient(560px 380px at 4% 24%,rgba(224,86,107,.14),transparent 66%),
    linear-gradient(180deg,#FBF8F4 0%,var(--paper) 68%);
}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(2.4rem,5.2vw,4.1rem);
  line-height:1.1;
  margin:22px 0 20px;
}
.hero h1 .accent{color:var(--rose)}
.hero-sub{font-size:17.5px;color:var(--muted);max-width:36em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;
  font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{width:6px;height:6px;border-radius:50%;background:var(--lotus);display:inline-block}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow-md);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:14px 18px;box-shadow:var(--shadow-md);
}
.float-card strong{display:block;font-family:var(--font-serif);font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums}
.float-card span{font-size:12.5px;color:var(--muted)}
.float-card.card-a{left:-26px;bottom:34px}
.float-card.card-b{right:-18px;top:28px;border-left:3px solid var(--rose)}
@media (max-width:1024px){
  .hero{padding-top:calc(var(--nav-h) + 36px);padding-bottom:64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:2}
  .float-card.card-a{left:10px;bottom:-16px}
  .float-card.card-b{right:8px;top:-16px}
}
@media (max-width:640px){
  .float-card{padding:11px 14px}
  .float-card strong{font-size:18px}
  .hero-cta .btn{width:100%}
}

/* ---------- Section headers ---------- */
.sec-head{max-width:760px;margin-bottom:46px}
.sec-head h2{font-size:clamp(1.7rem,3.2vw,2.25rem);line-height:1.22;margin:14px 0 14px}
.sec-head p{color:var(--muted);font-size:16.5px}
@media (max-width:640px){.sec-head{margin-bottom:32px}}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.bento .b-card{
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;display:flex;flex-direction:column;gap:14px;
  transition:transform .28s cubic-bezier(.22,.68,.32,1),box-shadow .28s ease,border-color .28s ease;
}
.bento .b-card:hover{transform:translateY(-2px);border-color:rgba(224,86,107,.32);box-shadow:var(--shadow-md)}
.bento .b-card.wide{grid-column:span 2;flex-direction:row;align-items:center;gap:32px}
.b-card .ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(224,86,107,.12);color:var(--rose-dark);font-family:var(--font-serif);font-size:19px;font-weight:700;
}
.b-card h3{font-size:1.2rem}
.b-card p{color:var(--muted);font-size:15px}
.b-card .b-body{flex:1}
.b-card img{
  width:210px;border-radius:var(--radius);border:1px solid var(--line);object-fit:cover;aspect-ratio:16/11;
}
.b-card ul{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
@media (max-width:1024px){
  .bento{grid-template-columns:1fr}
  .bento .b-card.wide{grid-column:span 1;flex-direction:column;align-items:flex-start}
  .b-card img{width:100%}
}

/* ---------- Steps rail ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 24px;
  scroll-snap-type:x mandatory;scrollbar-width:none;cursor:grab;
}
.rail::-webkit-scrollbar{display:none}
.rail.is-dragging{cursor:grabbing;scroll-snap-type:none}
.step{
  flex:0 0 300px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;display:flex;flex-direction:column;gap:12px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.step:hover{transform:translateY(-2px);border-color:rgba(224,86,107,.3);box-shadow:var(--shadow-sm)}
.step .num{
  font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--rose);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
}
.step h3{font-size:1.1rem}
.step p{font-size:14.5px;color:var(--muted)}
.step .bar{height:3px;border-radius:3px;background:linear-gradient(90deg,var(--rose),var(--lotus));width:44px}
.rail-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:-6px}
.rail-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink);transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.rail-btn:hover{border-color:var(--rose);color:var(--rose);transform:translateY(-1px)}
@media (max-width:640px){
  .step{flex:0 0 260px;padding:22px}
}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.split-media img{width:100%;aspect-ratio:16/12;object-fit:cover}
.split h2{font-size:clamp(1.6rem,3vw,2.1rem);line-height:1.24;margin:14px 0 18px}
.check-list{display:grid;gap:16px;margin-top:8px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-list .mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  background:rgba(185,138,166,.2);color:#7B4F63;
  display:grid;place-items:center;font-size:13px;font-weight:700;margin-top:2px;
}
.check-list strong{display:block;font-family:var(--font-serif);font-size:1.05rem;color:var(--ink);margin-bottom:3px}
.check-list span{color:var(--muted);font-size:15px}
@media (max-width:1024px){
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:0}
}

/* ---------- Dark panel ---------- */
.dark-panel{
  background:var(--ink-deep);color:#EFE9E6;border-radius:28px;
  padding:64px;position:relative;overflow:hidden;
}
.dark-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,86,107,.34),transparent 68%);
}
.dark-panel h2{color:#fff;font-size:clamp(1.55rem,2.8vw,2rem);margin:12px 0 16px}
.dark-panel .lead{color:rgba(239,233,230,.76);max-width:56em}
.dark-panel .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#F0D6DC}
.dark-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px;position:relative;z-index:1}
.dark-list div{
  border-top:1px solid rgba(255,255,255,.14);padding-top:18px;
}
.dark-list strong{display:block;font-family:var(--font-serif);color:#fff;font-size:1.05rem;margin-bottom:6px}
.dark-list span{font-size:14.5px;color:rgba(239,233,230,.72)}
@media (max-width:1024px){.dark-panel{padding:40px 26px}.dark-list{grid-template-columns:1fr;gap:18px}}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--rose-dark)}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--rose);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .25s ease,padding .25s ease;
}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 4px 24px;color:var(--muted);font-size:15px;line-height:1.72;max-width:62em}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,rgba(224,86,107,.1),rgba(185,138,166,.2) 60%,rgba(217,138,95,.14));
  border:1px solid rgba(224,86,107,.22);
  border-radius:26px;padding:56px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,1.95rem);margin-bottom:12px}
.cta-band p{color:var(--muted);max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media (max-width:1024px){.cta-band{padding:34px 24px}}
@media (max-width:640px){.cta-actions .btn{width:100%}}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-deep);color:#D9D2CE;padding:76px 0 30px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:18px;font-size:14.5px;color:rgba(217,210,206,.72);max-width:34em}
.footer-col h4{
  font-family:var(--font-serif);color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:.01em;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(217,210,206,.76);transition:color .2s ease}
.footer-col a:hover{color:var(--rose)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13.5px;color:rgba(217,210,206,.6);
}
.footer-bottom a{color:rgba(217,210,206,.8)}
.footer-bottom a:hover{color:var(--rose)}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .site-footer{padding:56px 0 26px}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.22,.68,.32,1),transform .6s cubic-bezier(.22,.68,.32,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category2 */
:root{
    --ink:#16121A;
    --rose:#E0566B;
    --rose-deep:#C8445A;
    --lotus:#B98AA6;
    --moon:#F6F2ED;
    --dark:#100D14;
    --text:#1E1A20;
    --muted:#6F6673;
    --line:#E7DED6;
    --amber:#D98A5F;
    --card:#FFFFFF;
    --radius-lg:20px;
    --radius-md:16px;
    --radius-sm:12px;
    --shadow-1:0 2px 10px rgba(22,18,26,.05);
    --shadow-2:0 14px 34px rgba(22,18,26,.10);
    --shell:1220px;
    --nav-h:64px;
    --font-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
    --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16.5px;
    line-height:1.75;
    color:var(--text);
    background:var(--moon);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:inherit;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:-.02em;color:var(--ink);}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--lotus);outline-offset:3px;border-radius:6px;}
  .shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;}
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    height:var(--nav-h);
    display:flex;align-items:center;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .site-header.is-scrolled{
    background:rgba(246,242,237,.94);
    backdrop-filter:blur(10px);
    border-bottom-color:var(--line);
    box-shadow:0 6px 18px rgba(22,18,26,.06);
  }
  .nav-inner{
    width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;
    display:grid;grid-template-columns:7fr 5fr;align-items:center;gap:20px;
  }
  .nav-left{display:flex;align-items:center;gap:28px;min-width:0;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;
    display:grid;place-items:center;
    background:linear-gradient(140deg,var(--rose),var(--lotus));
    color:#fff;font-family:var(--font-serif);font-size:17px;font-weight:700;
    box-shadow:0 4px 12px rgba(224,86,107,.28);
  }
  .brand-text{
    font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.02em;
  }
  .brand-text em{font-style:normal;color:var(--rose);}
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    height:38px;padding:0 14px;border-radius:10px;
    font-size:15px;color:var(--muted);transition:color .22s ease,background .22s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
    background:var(--rose);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
  }
  .nav-link:hover{color:var(--ink);background:rgba(224,86,107,.06);}
  .nav-link.is-active{color:var(--ink);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;}
  .nav-search{
    display:inline-flex;align-items:center;gap:8px;
    height:40px;padding:0 14px;border-radius:999px;
    border:1px solid var(--line);background:rgba(255,255,255,.7);
    color:var(--muted);font-size:14px;transition:border-color .22s ease,color .22s ease;
  }
  .nav-search:hover{border-color:var(--rose);color:var(--rose);}
  .nav-cta{
    display:inline-flex;align-items:center;gap:8px;
    height:40px;padding:0 18px;border-radius:999px;
    background:var(--rose);color:#fff;font-size:14.5px;font-weight:600;
    box-shadow:0 6px 16px rgba(224,86,107,.26);
    transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
  }
  .nav-cta:hover{background:var(--rose-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(224,86,107,.32);}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;
    align-items:center;justify-content:center;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-drawer{
    display:none;position:absolute;top:var(--nav-h);left:0;right:0;
    background:rgba(246,242,237,.98);border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px rgba(22,18,26,.10);padding:14px 24px 22px;
  }
  .nav-drawer.is-open{display:block;}
  .nav-drawer a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:48px;padding:0 6px;border-bottom:1px solid var(--line);
    font-size:16px;color:var(--ink);
  }
  .nav-drawer a:last-child{border-bottom:none;}
  .nav-drawer a.is-active{color:var(--rose);font-weight:600;}
  .search-panel{
    display:none;position:absolute;top:var(--nav-h);left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 28px rgba(22,18,26,.08);
    padding:18px 24px;
  }
  .search-panel.is-open{display:block;}
  .search-panel .shell{display:flex;gap:12px;align-items:center;}
  .search-input{
    flex:1;border:none;border-bottom:1px solid var(--line);
    background:transparent;padding:10px 2px;font-size:16px;color:var(--ink);
  }
  .search-input:focus{outline:none;border-bottom-color:var(--rose);}
  .search-close{color:var(--muted);font-size:14px;padding:8px 10px;border-radius:8px;}
  .search-close:hover{color:var(--rose);}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    min-height:48px;padding:0 24px;border-radius:var(--radius-sm);
    font-size:15.5px;font-weight:600;letter-spacing:.01em;
    transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  }
  .btn-primary{background:var(--rose);color:#fff;box-shadow:0 8px 20px rgba(224,86,107,.28);}
  .btn-primary:hover{background:var(--rose-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,86,107,.34);}
  .btn-ghost{border:1px solid var(--line);color:var(--ink);background:rgba(255,255,255,.7);}
  .btn-ghost:hover{border-color:var(--rose);color:var(--rose);transform:translateY(-1px);}
  .btn-light{background:#fff;color:var(--ink);}
  .btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(0,0,0,.18);}
  .btn-outline-light{border:1px solid rgba(255,255,255,.28);color:#fff;}
  .btn-outline-light:hover{border-color:var(--rose);color:#fff;background:rgba(224,86,107,.16);transform:translateY(-1px);}
  .btn-sm{min-height:42px;padding:0 18px;font-size:14.5px;}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;overflow:hidden;
    padding-top:calc(var(--nav-h) + 34px);
    padding-bottom:92px;
    background:linear-gradient(180deg,#FBF8F4 0%,var(--moon) 68%);
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(circle at 88% 12%,rgba(185,138,166,.20),transparent 46%),
                     radial-gradient(circle at 4% 76%,rgba(224,86,107,.12),transparent 42%);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 14px;border-radius:999px;
    background:rgba(224,86,107,.10);color:var(--rose);
    font-size:13.5px;font-weight:600;letter-spacing:.04em;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--rose);display:block;}
  .hero h1{
    margin-top:20px;
    font-size:clamp(2.4rem,6vw,4.4rem);
    line-height:1.12;
    letter-spacing:-.02em;
  }
  .hero h1 em{font-style:normal;color:var(--rose);}
  .hero-sub{
    margin-top:20px;max-width:560px;
    font-size:17px;line-height:1.8;color:var(--muted);
  }
  .hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
  .hero-meta{
    margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 22px;
    font-size:13.5px;color:var(--muted);
  }
  .hero-meta span{display:inline-flex;align-items:center;gap:7px;}
  .hero-meta b{color:var(--ink);font-weight:600;}
  .hero-visual{position:relative;}
  .hero-visual img{
    width:100%;border-radius:var(--radius-lg);
    box-shadow:var(--shadow-2);
    border:1px solid rgba(255,255,255,.7);
    aspect-ratio:4/3.4;object-fit:cover;
  }
  .float-card{
    position:absolute;left:-18px;bottom:-22px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:14px 18px;box-shadow:var(--shadow-2);min-width:172px;
  }
  .float-card strong{display:block;font-family:var(--font-serif);font-size:22px;color:var(--ink);}
  .float-card span{font-size:12.5px;color:var(--muted);}
  .float-chip{
    position:absolute;right:-14px;top:18px;
    background:var(--ink);color:#fff;border-radius:999px;
    padding:9px 16px;font-size:13px;font-weight:600;letter-spacing:.03em;
    box-shadow:0 12px 26px rgba(22,18,26,.24);
  }

  /* ---------- Sections ---------- */
  section{padding:96px 0;}
  .sec-head{max-width:760px;}
  .sec-tag{
    display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
    color:var(--rose);text-transform:uppercase;
  }
  .sec-head h2{margin-top:12px;font-size:clamp(1.75rem,3.4vw,2.2rem);line-height:1.25;}
  .sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}

  /* ---------- Compare / Spec ---------- */
  .compare{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .compare-grid{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;margin-top:44px;}
  .compare-note{
    background:linear-gradient(160deg,#FFF8F4,#F8F1F6);
    border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:30px 28px;
  }
  .compare-note h3{font-size:1.3rem;line-height:1.4;}
  .compare-note p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8;}
  .compare-note ul{margin-top:20px;display:grid;gap:12px;}
  .compare-note li{display:flex;gap:10px;font-size:14.5px;color:var(--text);}
  .compare-note li i{
    flex-shrink:0;width:18px;height:18px;border-radius:50%;margin-top:3px;
    background:rgba(224,86,107,.14);color:var(--rose);
    display:grid;place-items:center;font-size:11px;font-style:normal;font-weight:700;
  }
  .table-wrap{
    overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);
    background:#fff;box-shadow:var(--shadow-1);
    -webkit-overflow-scrolling:touch;
  }
  table.spec{border-collapse:collapse;width:100%;min-width:660px;}
  table.spec caption{
    caption-side:top;text-align:left;padding:18px 22px 6px;
    font-family:var(--font-serif);font-size:1.05rem;color:var(--ink);font-weight:700;
  }
  table.spec th,table.spec td{
    padding:16px 22px;text-align:left;font-size:14.5px;
    border-bottom:1px solid var(--line);white-space:nowrap;
  }
  table.spec thead th{
    background:#FBF8F4;font-family:var(--font-sans);font-weight:600;color:var(--ink);
    font-size:13.5px;letter-spacing:.04em;
  }
  table.spec tbody th{font-weight:500;color:var(--muted);}
  table.spec tbody td{color:var(--text);}
  table.spec tbody tr:last-child th,table.spec tbody tr:last-child td{border-bottom:none;}
  table.spec tbody tr:hover{background:rgba(224,86,107,.035);}
  .pill{
    display:inline-block;padding:3px 11px;border-radius:999px;
    font-size:12.5px;font-weight:600;
    background:rgba(224,86,107,.12);color:var(--rose);
  }
  .pill-neutral{background:rgba(111,102,115,.10);color:var(--muted);}
  .table-hint{margin-top:12px;font-size:13px;color:var(--muted);}

  /* ---------- Requirement cards ---------- */
  .req-grid{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .req-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:30px 26px;box-shadow:var(--shadow-1);
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .req-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(224,86,107,.34);}
  .req-icon{
    width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
    background:rgba(224,86,107,.10);color:var(--rose);font-size:20px;font-weight:700;
    font-family:var(--font-serif);
  }
  .req-card h3{margin-top:18px;font-size:1.18rem;}
  .req-card > p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;}
  .req-list{margin-top:18px;display:grid;gap:9px;border-top:1px dashed var(--line);padding-top:16px;}
  .req-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;}
  .req-list li span:first-child{color:var(--muted);}
  .req-list li span:last-child{color:var(--ink);font-weight:600;}

  /* ---------- Steps rail ---------- */
  .steps{background:var(--dark);color:#EDE7E2;}
  .steps .sec-head h2,.steps .sec-head p{color:#fff;}
  .steps .sec-head p{color:rgba(255,255,255,.66);}
  .steps .sec-tag{color:var(--lotus);}
  .rail{
    margin-top:44px;display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .rail::-webkit-scrollbar{height:6px;}
  .rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:6px;}
  .step-card{
    flex:0 0 292px;scroll-snap-align:start;
    background:rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-lg);
    padding:28px 26px;transition:border-color .28s ease,transform .28s ease,background .28s ease;
  }
  .step-card:hover{border-color:rgba(224,86,107,.6);transform:translateY(-2px);background:rgba(224,86,107,.07);}
  .step-idx{
    font-family:var(--font-serif);font-size:34px;line-height:1;color:var(--rose);
    font-variant-numeric:tabular-nums;
  }
  .step-card h3{margin-top:16px;color:#fff;font-size:1.12rem;}
  .step-card p{margin-top:10px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.68);}
  .rail-hint{margin-top:6px;font-size:13px;color:rgba(255,255,255,.45);}

  /* ---------- Safety block ---------- */
  .safety-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
  .safety-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);}
  .safety-figure img{width:100%;aspect-ratio:5/4;object-fit:cover;}
  .safety-list{margin-top:26px;display:grid;gap:16px;}
  .safety-list li{
    display:flex;gap:14px;padding:18px 20px;background:#fff;
    border:1px solid var(--line);border-radius:var(--radius-md);
    transition:border-color .26s ease,transform .26s ease,box-shadow .26s ease;
  }
  .safety-list li:hover{border-color:rgba(224,86,107,.34);transform:translateY(-2px);box-shadow:var(--shadow-1);}
  .safety-list b{font-size:15px;color:var(--ink);display:block;font-weight:600;}
  .safety-list span{font-size:14px;color:var(--muted);line-height:1.7;}
  .dot-mark{
    flex-shrink:0;width:26px;height:26px;border-radius:9px;margin-top:2px;
    background:rgba(185,138,166,.16);color:var(--lotus);
    display:grid;place-items:center;font-size:12px;font-weight:700;
  }

  /* ---------- FAQ ---------- */
  .faq{background:#fff;border-top:1px solid var(--line);}
  .faq-list{margin-top:40px;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:24px 4px;text-align:left;
    font-family:var(--font-serif);font-size:1.05rem;font-weight:700;color:var(--ink);
    transition:color .22s ease;
  }
  .faq-q:hover{color:var(--rose);}
  .faq-sign{
    flex-shrink:0;width:30px;height:30px;border-radius:50%;
    border:1px solid var(--line);display:grid;place-items:center;
    position:relative;transition:border-color .22s ease,background .22s ease;
  }
  .faq-sign::before,.faq-sign::after{
    content:"";position:absolute;background:var(--ink);border-radius:2px;
    transition:transform .25s ease,background .25s ease;
  }
  .faq-sign::before{width:12px;height:1.6px;}
  .faq-sign::after{width:1.6px;height:12px;}
  .faq-item.is-open .faq-sign{border-color:var(--rose);background:rgba(224,86,107,.10);}
  .faq-item.is-open .faq-sign::before{background:var(--rose);}
  .faq-item.is-open .faq-sign::after{transform:scaleY(0);background:var(--rose);}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  .faq-a p{
    padding:0 4px 26px;max-width:820px;
    font-size:14.8px;line-height:1.78;color:var(--muted);
  }

  /* ---------- CTA ---------- */
  .cta-block{
    background:linear-gradient(135deg,#1A1520 0%,#241A26 52%,#3A1F2C 100%);
    border-radius:28px;padding:64px 56px;color:#fff;position:relative;overflow:hidden;
  }
  .cta-block::after{
    content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(224,86,107,.36),transparent 68%);
  }
  .cta-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
  .cta-inner h2{color:#fff;font-size:clamp(1.7rem,3.2vw,2.15rem);line-height:1.28;}
  .cta-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15.5px;max-width:520px;}
  .cta-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
  .qr-card{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius-lg);padding:24px;text-align:center;
  }
  .qr-box{
    width:132px;height:132px;margin:0 auto;border-radius:14px;background:#fff;
    display:grid;place-items:center;color:var(--ink);font-family:var(--font-serif);font-size:13px;
    letter-spacing:.06em;
  }
  .qr-card span{display:block;margin-top:14px;font-size:13px;color:rgba(255,255,255,.68);}

  /* ---------- Category entries ---------- */
  .cat-grid{margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .cat-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    overflow:hidden;display:flex;flex-direction:column;
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(224,86,107,.34);}
  .cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
  .cat-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
  .cat-body h3{font-size:1.12rem;}
  .cat-body p{font-size:14.5px;color:var(--muted);line-height:1.72;flex:1;}
  .cat-link{font-size:14px;font-weight:600;color:var(--rose);display:inline-flex;align-items:center;gap:6px;}
  .cat-link::after{content:"→";transition:transform .22s ease;}
  .cat-card:hover .cat-link::after{transform:translateX(3px);}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 30px;margin-top:0;}
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
    padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09);
  }
  .footer-brand .brand-text{color:#fff;}
  .footer-brand .brand-text em{color:var(--rose);}
  .footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);max-width:330px;}
  .footer-col h4{
    color:#fff;font-family:var(--font-sans);font-size:14.5px;font-weight:600;
    letter-spacing:.06em;margin-bottom:18px;
  }
  .footer-col ul{display:grid;gap:12px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .22s ease;}
  .footer-col a:hover{color:var(--rose);}
  .footer-bottom{
    padding-top:24px;display:flex;flex-wrap:wrap;gap:10px 24px;
    justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45);
  }
  .footer-bottom a{color:rgba(255,255,255,.62);}
  .footer-bottom a:hover{color:var(--rose);}

  /* ---------- Reveal ---------- */
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1);}
  .reveal.is-in{opacity:1;transform:none;}
  .reveal.d1{transition-delay:.06s;}
  .reveal.d2{transition-delay:.12s;}
  .reveal.d3{transition-delay:.18s;}
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition-duration:.01ms!important;}
    .reveal{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

  /* ---------- Responsive ---------- */
  @media (max-width:1180px){
    .nav-link{padding:0 10px;font-size:14.5px;}
    .nav-left{gap:18px;}
  }
  @media (max-width:1023px){
    .nav-inner{grid-template-columns:1fr auto;gap:12px;}
    .nav-links,.nav-search{display:none;}
    .nav-toggle{display:inline-flex;}
    .site-header{background:rgba(246,242,237,.94);border-bottom-color:var(--line);}
    .hero{padding-top:calc(56px + 28px);padding-bottom:72px;}
    :root{--nav-h:56px;}
    .hero-grid{grid-template-columns:1fr;gap:40px;}
    .hero-visual{max-width:560px;}
    .compare-grid{grid-template-columns:1fr;gap:28px;}
    .req-grid{grid-template-columns:1fr 1fr;}
    .safety-grid{grid-template-columns:1fr;gap:36px;}
    .cta-inner{grid-template-columns:1fr;gap:32px;}
    .cat-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    section{padding:72px 0;}
    .cta-block{padding:48px 34px;}
  }
  @media (max-width:767px){
    body{font-size:16px;}
    .shell{padding:0 18px;}
    .nav-inner{padding:0 18px;}
    .hero h1{font-size:clamp(2.05rem,8.4vw,2.7rem);}
    .hero-actions .btn{flex:1 1 100%;}
    .req-grid{grid-template-columns:1fr;}
    .cat-grid{grid-template-columns:1fr;}
    .float-card{left:auto;right:14px;bottom:-18px;}
    .float-chip{right:12px;top:12px;font-size:12px;}
    .cta-block{border-radius:20px;padding:40px 24px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-brand p{max-width:none;}
    section{padding:56px 0;}
    .faq-q{font-size:1rem;padding:20px 2px;}
  }
  @media (max-width:520px){
    .hero{padding-bottom:56px;}
    .hero-sub{font-size:15.5px;}
    .hero-meta{gap:8px 16px;font-size:13px;}
    .step-card{flex:0 0 84%;}
  }

/* roulang page: category3 */
:root{
    --ink:#16121A;
    --ink-deep:#100D14;
    --rose:#E0566B;
    --rose-dark:#C9455A;
    --lilac:#B98AA6;
    --bg:#F6F2ED;
    --surface:#FFFDFB;
    --text:#1E1A20;
    --muted:#6F6673;
    --line:#E7DED6;
    --ochre:#D98A5F;
    --radius:18px;
    --radius-sm:12px;
    --radius-lg:24px;
    --shadow:0 12px 30px rgba(22,18,26,.07);
    --shadow-lg:0 22px 50px rgba(22,18,26,.13);
    --shell:1200px;
    --nav-h:64px;
    --font-serif:"Noto Serif SC","Songti SC",serif;
    --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  }
  *,*::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:var(--font-sans);
    font-size:16.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:-.01em;color:var(--ink);}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--lilac);outline-offset:3px;border-radius:6px;}

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

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .3s ease,border-color .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
  }
  .site-header.is-scrolled{
    background:rgba(246,242,237,.94);
    backdrop-filter:blur(10px);
    border-bottom-color:var(--line);
    box-shadow:0 6px 22px rgba(22,18,26,.06);
  }
  .header-inner{
    height:var(--nav-h);
    display:flex;align-items:center;justify-content:space-between;gap:28px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:36px;height:36px;border-radius:11px;
    display:grid;place-items:center;
    background:linear-gradient(145deg,var(--rose) 0%,var(--lilac) 100%);
    color:#fff;font-family:var(--font-serif);font-size:18px;font-weight:700;
    box-shadow:0 6px 16px rgba(224,86,107,.28);
  }
  .brand-text{
    font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink);
    letter-spacing:.01em;white-space:nowrap;
  }
  .brand-text em{font-style:normal;color:var(--rose);}
  .nav-links{display:flex;align-items:center;gap:6px;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    padding:9px 14px;border-radius:10px;
    font-size:15px;color:var(--muted);font-weight:500;
    transition:color .2s ease,background .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
    background:var(--rose);border-radius:2px;transform:scaleX(0);transform-origin:left;
    transition:transform .25s cubic-bezier(.4,0,.2,1);
  }
  .nav-link:hover{color:var(--ink);background:rgba(224,86,107,.07);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--ink);font-weight:700;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .header-actions{display:flex;align-items:center;gap:12px;}
  .nav-cta{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 20px;border-radius:12px;
    background:var(--rose);color:#fff;font-size:14.5px;font-weight:600;
    box-shadow:0 8px 20px rgba(224,86,107,.26);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .nav-cta:hover{background:var(--rose-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,86,107,.32);}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:var(--surface);
    align-items:center;justify-content:center;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .mobile-drawer{
    display:none;border-top:1px solid var(--line);
    background:rgba(246,242,237,.98);backdrop-filter:blur(10px);
  }
  .mobile-drawer.is-open{display:block;}
  .mobile-drawer ul{padding:14px 24px 22px;display:flex;flex-direction:column;gap:4px;}
  .mobile-drawer a{
    display:block;padding:12px 14px;border-radius:12px;font-size:16px;color:var(--text);
    border:1px solid transparent;transition:background .2s ease,border-color .2s ease,color .2s ease;
  }
  .mobile-drawer a:hover{background:rgba(224,86,107,.08);border-color:rgba(224,86,107,.25);}
  .mobile-drawer a.is-active{color:var(--rose);font-weight:700;border-color:rgba(224,86,107,.3);background:rgba(224,86,107,.06);}
  .mobile-drawer .drawer-cta{
    margin-top:8px;background:var(--rose);color:#fff;text-align:center;font-weight:600;
    border-radius:12px;padding:14px;
  }
  .mobile-drawer .drawer-cta:hover{background:var(--rose-dark);}

  /* ---------- Shared blocks ---------- */
  .section{padding:104px 0;}
  .section-tight{padding:76px 0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:rgba(224,86,107,.09);
    border:1px solid rgba(224,86,107,.22);
    color:var(--rose);font-size:13px;font-weight:600;letter-spacing:.04em;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rose);}
  .section-head{max-width:720px;margin-bottom:52px;}
  .section-head h2{font-size:clamp(1.7rem,3vw,2.15rem);line-height:1.25;margin-bottom:14px;}
  .section-head p{color:var(--muted);font-size:16px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    min-height:46px;padding:12px 26px;border-radius:12px;
    font-size:15.5px;font-weight:600;
    transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  }
  .btn-primary{background:var(--rose);color:#fff;box-shadow:0 10px 24px rgba(224,86,107,.26);}
  .btn-primary:hover{background:var(--rose-dark);transform:translateY(-1px);box-shadow:0 14px 30px rgba(224,86,107,.32);}
  .btn-ghost{border:1px solid var(--line);color:var(--ink);background:var(--surface);}
  .btn-ghost:hover{border-color:rgba(224,86,107,.5);color:var(--rose);transform:translateY(-1px);}
  .btn-light{background:#fff;color:var(--ink);border:1px solid rgba(255,255,255,.14);}
  .btn-light:hover{background:#F6F2ED;transform:translateY(-1px);}
  .btn-outline-light{border:1px solid rgba(255,255,255,.28);color:#fff;}
  .btn-outline-light:hover{border-color:var(--rose);color:#fff;background:rgba(224,86,107,.18);transform:translateY(-1px);}
  .tag{
    display:inline-flex;align-items:center;
    padding:4px 11px;border-radius:999px;
    font-size:12.5px;font-weight:600;
    background:rgba(185,138,166,.14);color:#8A5E77;
    border:1px solid rgba(185,138,166,.28);
  }
  .tag-rose{background:rgba(224,86,107,.1);color:var(--rose);border-color:rgba(224,86,107,.24);}

  .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.4,0,.2,1),transform .6s cubic-bezier(.4,0,.2,1);}
  .reveal.is-visible{opacity:1;transform:none;}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    padding-top:calc(var(--nav-h) + 56px);
    padding-bottom:88px;
    background:
      radial-gradient(900px 420px at 88% -10%, rgba(185,138,166,.20), transparent 62%),
      radial-gradient(760px 380px at 4% 8%, rgba(224,86,107,.13), transparent 60%),
      var(--bg);
    overflow:hidden;
  }
  .hero::after{
    content:"";position:absolute;right:-90px;bottom:-120px;
    width:340px;height:340px;border-radius:50%;
    border:1px solid rgba(185,138,166,.26);
    pointer-events:none;
  }
  .hero-grid{
    display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
    position:relative;z-index:2;
  }
  .hero h1{
    font-size:clamp(2.3rem,5.2vw,4.2rem);
    line-height:1.1;letter-spacing:-.02em;margin:22px 0 20px;
  }
  .hero h1 .accent{color:var(--rose);}
  .hero-sub{color:var(--muted);font-size:17.5px;max-width:560px;line-height:1.8;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:14px 30px;margin-top:30px;
    padding-top:24px;border-top:1px solid var(--line);
    font-size:14px;color:var(--muted);
  }
  .hero-meta b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}
  .hero-visual{position:relative;}
  .hero-shot{
    border-radius:var(--radius-lg);overflow:hidden;
    border:1px solid var(--line);background:var(--surface);
    box-shadow:var(--shadow-lg);
  }
  .hero-shot img{width:100%;height:400px;object-fit:cover;}
  .hero-float{
    position:absolute;left:-22px;bottom:34px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:16px 20px;box-shadow:var(--shadow);min-width:186px;
  }
  .hero-float strong{display:block;font-family:var(--font-serif);font-size:26px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1;}
  .hero-float span{font-size:13px;color:var(--muted);}
  .hero-score{
    position:absolute;right:-14px;top:-18px;
    background:var(--ink);color:#fff;border-radius:var(--radius);
    padding:14px 18px;font-size:13px;line-height:1.5;
    box-shadow:var(--shadow-lg);
  }
  .hero-score b{font-family:var(--font-serif);font-size:22px;display:block;color:#fff;font-variant-numeric:tabular-nums;}
  .hero-score i{font-style:normal;color:var(--lilac);letter-spacing:2px;}

  /* ---------- Stats strip ---------- */
  .stats-strip{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
    background:var(--line);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;
  }
  .stat-cell{background:var(--surface);padding:28px 24px;}
  .stat-cell strong{
    display:block;font-family:var(--font-serif);font-size:clamp(1.6rem,2.6vw,2.1rem);
    color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.15;
  }
  .stat-cell strong em{font-style:normal;font-size:.55em;color:var(--rose);margin-left:3px;}
  .stat-cell span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);}

  /* ---------- Review track (横向滚动) ---------- */
  .review-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
  .scroll-btns{display:flex;gap:10px;}
  .scroll-btn{
    width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:var(--surface);
    display:grid;place-items:center;color:var(--ink);
    transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
  }
  .scroll-btn:hover{border-color:rgba(224,86,107,.5);color:var(--rose);transform:translateY(-1px);}
  .scroll-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}
  .review-track{
    display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
    scrollbar-width:thin;scrollbar-color:var(--lilac) transparent;
  }
  .review-track::-webkit-scrollbar{height:8px;}
  .review-track::-webkit-scrollbar-thumb{background:rgba(185,138,166,.5);border-radius:99px;}
  .review-track::-webkit-scrollbar-track{background:rgba(231,222,214,.6);border-radius:99px;}
  .review-card{
    flex:0 0 336px;scroll-snap-align:start;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 24px;display:flex;flex-direction:column;gap:14px;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .review-card:nth-child(even){margin-top:22px;}
  .review-card:hover{transform:translateY(-4px);border-color:rgba(224,86,107,.3);box-shadow:var(--shadow-lg);}
  .review-top{display:flex;align-items:center;gap:12px;}
  .avatar{
    width:44px;height:44px;border-radius:14px;flex-shrink:0;
    display:grid;place-items:center;color:#fff;font-weight:700;font-size:16px;
    background:linear-gradient(145deg,var(--rose),var(--lilac));
  }
  .avatar.alt{background:linear-gradient(145deg,var(--ink),#4A3F52);}
  .avatar.alt2{background:linear-gradient(145deg,var(--ochre),var(--lilac));}
  .review-name{font-weight:700;font-size:15px;color:var(--ink);}
  .review-date{font-size:12.5px;color:var(--muted);}
  .stars{color:var(--ochre);font-size:13px;letter-spacing:2px;}
  .review-text{font-size:14.8px;color:#3A343E;line-height:1.78;}
  .review-foot{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;}

  /* ---------- Rating bars ---------- */
  .rating-panel{
    background:var(--ink);color:#fff;border-radius:var(--radius-lg);
    padding:52px 48px;display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;
    position:relative;overflow:hidden;
  }
  .rating-panel::before{
    content:"";position:absolute;left:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(224,86,107,.35),transparent 68%);
  }
  .rating-panel h2{color:#fff;font-size:clamp(1.6rem,2.6vw,2rem);line-height:1.3;margin-bottom:14px;}
  .rating-panel p{color:rgba(255,255,255,.68);font-size:15px;}
  .rating-big{
    font-family:var(--font-serif);font-size:64px;line-height:1;color:#fff;
    font-variant-numeric:tabular-nums;margin-bottom:8px;
  }
  .rating-big small{font-size:20px;color:var(--lilac);}
  .rating-list{display:flex;flex-direction:column;gap:20px;position:relative;z-index:2;}
  .rating-row{display:flex;flex-direction:column;gap:8px;}
  .rating-row .label{display:flex;justify-content:space-between;font-size:14.5px;color:rgba(255,255,255,.82);}
  .bar{height:8px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;}
  .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--rose),var(--lilac));width:0;transition:width 1s cubic-bezier(.4,0,.2,1);}

  /* ---------- Scene bento ---------- */
  .bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
  .bento-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:28px 26px;display:flex;flex-direction:column;gap:12px;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .bento-card:hover{transform:translateY(-3px);border-color:rgba(224,86,107,.3);box-shadow:var(--shadow-lg);}
  .bento-card h3{font-size:1.16rem;line-height:1.4;}
  .bento-card p{font-size:14.8px;color:var(--muted);}
  .bento-card .icon{
    width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
    background:rgba(224,86,107,.1);color:var(--rose);font-size:20px;font-weight:700;
  }
  .span-3{grid-column:span 3;}
  .span-2{grid-column:span 2;}
  .span-4{grid-column:span 4;}
  .bento-wide{
    grid-column:span 4;
    background:linear-gradient(140deg,#1B1620 0%,#2A2130 100%);
    color:#fff;border-color:rgba(255,255,255,.1);
    flex-direction:row;align-items:center;gap:26px;
  }
  .bento-wide h3{color:#fff;}
  .bento-wide p{color:rgba(255,255,255,.7);}
  .bento-wide img{width:190px;height:132px;object-fit:cover;border-radius:14px;flex-shrink:0;}
  .bento-wide .icon{background:rgba(224,86,107,.22);color:#fff;}

  /* ---------- News ---------- */
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .news-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;display:flex;flex-direction:column;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .news-card:hover{transform:translateY(-3px);border-color:rgba(224,86,107,.3);box-shadow:var(--shadow-lg);}
  .news-thumb{height:168px;overflow:hidden;}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .news-card:hover .news-thumb img{transform:scale(1.05);}
  .news-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .news-body h3{font-size:1.06rem;line-height:1.5;}
  .news-body p{font-size:14.5px;color:var(--muted);}
  .news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px;margin:0 auto;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:24px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
    font-family:var(--font-sans);transition:color .2s ease;
  }
  .faq-q:hover{color:var(--rose);}
  .faq-sign{
    flex-shrink:0;width:28px;height:28px;border-radius:9px;
    border:1px solid var(--line);display:grid;place-items:center;
    color:var(--rose);font-size:17px;line-height:1;
    transition:transform .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  }
  .faq-item.is-open .faq-sign{transform:rotate(45deg);background:var(--rose);border-color:var(--rose);color:#fff;}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .25s ease;
  }
  .faq-a p{padding:0 4px 24px;color:var(--muted);font-size:15px;line-height:1.78;max-width:760px;}

  /* ---------- CTA ---------- */
  .cta-block{
    background:
      radial-gradient(560px 260px at 12% 0%, rgba(224,86,107,.28), transparent 62%),
      linear-gradient(140deg,#17131C 0%,#100D14 100%);
    border-radius:var(--radius-lg);
    padding:64px 54px;
    display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:center;
    color:#fff;position:relative;overflow:hidden;
  }
  .cta-block::after{
    content:"";position:absolute;right:-80px;bottom:-100px;width:300px;height:300px;border-radius:50%;
    border:1px solid rgba(255,255,255,.09);
  }
  .cta-block h2{color:#fff;font-size:clamp(1.7rem,3vw,2.2rem);line-height:1.3;margin-bottom:14px;}
  .cta-block p{color:rgba(255,255,255,.7);font-size:15.5px;max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .cta-side{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
    border-radius:var(--radius);padding:24px;position:relative;z-index:2;
  }
  .cta-side dl{margin:0;display:flex;flex-direction:column;gap:14px;}
  .cta-side dt{font-size:12.5px;color:rgba(255,255,255,.55);}
  .cta-side dd{margin:0;font-size:15px;color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
  .qr-box{
    margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;align-items:center;gap:14px;
  }
  .qr-box .qr{
    width:64px;height:64px;border-radius:12px;flex-shrink:0;
    background:
      repeating-linear-gradient(90deg,#fff 0 6px,rgba(255,255,255,.35) 6px 12px),
      repeating-linear-gradient(0deg,#fff 0 6px,rgba(255,255,255,.35) 6px 12px);
    border:2px solid rgba(255,255,255,.5);
  }
  .qr-box span{font-size:12.5px;color:rgba(255,255,255,.62);}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--ink-deep);color:rgba(255,255,255,.7);padding:72px 0 30px;margin-top:24px;}
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;
    padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.09);
  }
  .footer-brand .brand-text{color:#fff;}
  .footer-brand .brand-text em{color:var(--rose);}
  .footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px;}
  .footer-col h4{
    color:#fff;font-size:15.5px;font-family:var(--font-sans);font-weight:700;margin-bottom:18px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col a{font-size:14.5px;color:rgba(255,255,255,.65);transition:color .2s ease,padding-left .2s ease;}
  .footer-col a:hover{color:var(--rose);padding-left:4px;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
    padding-top:26px;font-size:13.5px;color:rgba(255,255,255,.5);
  }
  .footer-bottom a{color:rgba(255,255,255,.72);border-bottom:1px solid rgba(255,255,255,.2);}
  .footer-bottom a:hover{color:var(--rose);border-color:var(--rose);}

  /* ---------- Responsive ---------- */
  @media (max-width:1024px){
    .nav-links,.nav-cta{display:none;}
    .nav-toggle{display:flex;}
    .hero-grid{grid-template-columns:1fr;gap:44px;}
    .hero-shot img{height:330px;}
    .hero-float{left:12px;bottom:-18px;}
    .hero-score{right:12px;top:-14px;}
    .stats-strip{grid-template-columns:repeat(2,1fr);}
    .rating-panel{grid-template-columns:1fr;gap:32px;padding:44px 34px;}
    .bento{grid-template-columns:repeat(4,1fr);}
    .span-4,.bento-wide{grid-column:span 4;}
    .span-3{grid-column:span 2;}
    .news-grid{grid-template-columns:repeat(2,1fr);}
    .cta-block{grid-template-columns:1fr;padding:48px 36px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
    .section{padding:80px 0;}
  }
  @media (max-width:768px){
    body{font-size:16px;}
    .shell{padding:0 18px;}
    .section{padding:60px 0;}
    .section-tight{padding:52px 0;}
    .hero{padding-top:calc(var(--nav-h) + 32px);padding-bottom:64px;}
    .hero h1{font-size:clamp(1.95rem,7.4vw,2.6rem);}
    .hero-shot img{height:250px;}
    .hero-float{position:static;margin-top:18px;display:inline-block;}
    .hero-score{position:static;display:inline-block;margin-left:12px;}
    .bento{grid-template-columns:1fr;gap:16px;}
    .span-3,.span-2,.span-4,.bento-wide{grid-column:span 1;}
    .bento-wide{flex-direction:column;align-items:flex-start;}
    .bento-wide img{width:100%;height:170px;}
    .news-grid{grid-template-columns:1fr;}
    .review-card{flex:0 0 84%;}
    .review-card:nth-child(even){margin-top:0;}
    .rating-panel{padding:36px 24px;}
    .rating-big{font-size:52px;}
    .cta-block{padding:38px 24px;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
    .faq-q{font-size:16px;padding:20px 2px;}
  }
  @media (max-width:520px){
    .stats-strip{grid-template-columns:1fr;}
    .hero-actions .btn{width:100%;}
    .review-card{flex:0 0 90%;}
    .brand-text{font-size:17px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    .reveal{opacity:1;transform:none;}
  }